progress

cli/asc.js

@@ -22,6 +22,8 @@ const optionsUtil = require("./util/options");
 const mkdirp = require("./util/mkdirp");
 const EOL = process.platform === "win32" ? "\r\n" : "\n";
 
+// global.Binaryen = require("../lib/binaryen");
+
 // Emscripten adds an `uncaughtException` listener to Binaryen that results in an additional
 // useless code fragment on top of an actual error. suppress this:
 if (process.removeAllListeners) process.removeAllListeners("uncaughtException");
@@ -228,30 +230,18 @@ exports.main = function main(argv, options, callback) {
   var parser = null;
 
   // Include library files
-  if (!args.noLib) {
-    Object.keys(exports.libraryFiles).forEach(libPath => {
-      if (libPath.indexOf("/") >= 0) return; // in sub-directory: imported on demand
-      stats.parseCount++;
-      stats.parseTime += measure(() => {
-        parser = assemblyscript.parseFile(
-          exports.libraryFiles[libPath],
-          exports.libraryPrefix + libPath + ".ts",
-          false,
-          parser
-        );
-      });
-    });
-  } else { // always include builtins
+  Object.keys(exports.libraryFiles).forEach(libPath => {
+    if (libPath.indexOf("/") >= 0) return; // in sub-directory: imported on demand
     stats.parseCount++;
     stats.parseTime += measure(() => {
       parser = assemblyscript.parseFile(
-        exports.libraryFiles["builtins"],
-        exports.libraryPrefix + "builtins.ts",
+        exports.libraryFiles[libPath],
+        exports.libraryPrefix + libPath + ".ts",
         false,
         parser
       );
     });
-  }
+  });
   const customLibDirs = [];
   if (args.lib) {
     let lib = args.lib;
@@ -450,13 +440,11 @@ exports.main = function main(argv, options, callback) {
   assemblyscript.setSourceMap(compilerOptions, args.sourceMap != null);
   assemblyscript.setOptimizeLevelHints(compilerOptions, optimizeLevel, shrinkLevel);
 
-  if (!args.noLib) {
-    // Initialize default aliases
-    assemblyscript.setGlobalAlias(compilerOptions, "Math", "NativeMath");
-    assemblyscript.setGlobalAlias(compilerOptions, "Mathf", "NativeMathf");
-    assemblyscript.setGlobalAlias(compilerOptions, "abort", "~lib/builtins/abort");
-    assemblyscript.setGlobalAlias(compilerOptions, "trace", "~lib/builtins/trace");
-  }
+  // Initialize default aliases
+  assemblyscript.setGlobalAlias(compilerOptions, "Math", "NativeMath");
+  assemblyscript.setGlobalAlias(compilerOptions, "Mathf", "NativeMathf");
+  assemblyscript.setGlobalAlias(compilerOptions, "abort", "~lib/builtins/abort");
+  assemblyscript.setGlobalAlias(compilerOptions, "trace", "~lib/builtins/trace");
 
   // Add or override aliases if specified
   if (args.use) {

cli/asc.json

@@ -129,11 +129,6 @@
     "type": "b",
     "default": false
   },
-  "noLib": {
-    "description": "Does not include the shipped standard library.",
-    "type": "b",
-    "default": false
-  },
   "lib": {
     "description": [
       "Adds one or multiple paths to custom library components and",

package-lock.json

@@ -567,9 +567,9 @@
       "dev": true
     },
     "binaryen": {
-      "version": "77.0.0-nightly.20190407",
-      "resolved": "https://registry.npmjs.org/binaryen/-/binaryen-77.0.0-nightly.20190407.tgz",
-      "integrity": "sha512-1mxYNvQ0xywMe582K7V6Vo2zzhZZxMTeGHH8aE/+/AND8f64D8Q1GThVY3RVRwGY/4p+p95ccw9Xbw2ovFXRIg=="
+      "version": "84.0.0-nightly.20190518",
+      "resolved": "https://registry.npmjs.org/binaryen/-/binaryen-84.0.0-nightly.20190518.tgz",
+      "integrity": "sha512-/AhfZd3bd/yifsaCxM3WRSwT8zg9zl+G7lVWkJtr+JHqUijDoi8RHV7gOkNrOw+CAAGrm8l12KhDmkit1/crWA=="
     },
     "bluebird": {
       "version": "3.5.3",

package.json

@@ -12,7 +12,7 @@
   },
   "dependencies": {
     "@protobufjs/utf8": "^1.1.0",
-    "binaryen": "77.0.0-nightly.20190407",
+    "binaryen": "84.0.0-nightly.20190518",
     "glob": "^7.1.3",
     "long": "^4.0.0",
     "opencollective-postinstall": "^2.0.0",

src/flow.ts

@@ -146,32 +146,32 @@ export enum LocalFlags {
   READFROM = 1 << 2,
   /** Local is written to. */
   WRITTENTO = 1 << 3,
-  /** Local must be autoreleased. */
-  AUTORELEASE = 1 << 4,
+  /** Local is retained. */
+  RETAINED = 1 << 4,
 
   /** Local is conditionally read from. */
   CONDITIONALLY_READFROM = 1 << 5,
   /** Local is conditionally written to. */
   CONDITIONALLY_WRITTENTO = 1 << 6,
-  /** Local must be conditionally autoreleased. */
-  CONDITIONALLY_AUTORELEASE = 1 << 7,
+  /** Local must be conditionally retained. */
+  CONDITIONALLY_RETAINED = 1 << 7,
 
   /** Any categorical flag. */
   ANY_CATEGORICAL = WRAPPED
                   | NONNULL
                   | READFROM
                   | WRITTENTO
-                  | AUTORELEASE,
+                  | RETAINED,
 
   /** Any conditional flag. */
-  ANY_CONDITIONAL = AUTORELEASE
+  ANY_CONDITIONAL = RETAINED
                   | CONDITIONALLY_READFROM
                   | CONDITIONALLY_WRITTENTO
-                  | CONDITIONALLY_AUTORELEASE,
+                  | CONDITIONALLY_RETAINED,
 
-  /** Any autorelease flag. */
-  ANY_AUTORELEASE = AUTORELEASE
-                  | CONDITIONALLY_AUTORELEASE
+  /** Any retained flag. */
+  ANY_RETAINED = RETAINED
+               | CONDITIONALLY_RETAINED
 }
 export namespace LocalFlags {
   export function join(left: LocalFlags, right: LocalFlags): LocalFlags {
@@ -324,7 +324,7 @@ export class Flow {
     var scopedLocals = this.scopedLocals;
     if (!scopedLocals) this.scopedLocals = scopedLocals = new Map();
     scopedLocals.set("~auto" + (this.parentFunction.nextAutoreleaseId++), local);
-    this.setLocalFlag(local.index, LocalFlags.AUTORELEASE);
+    this.setLocalFlag(local.index, LocalFlags.RETAINED);
     return local;
   }
 
@@ -585,7 +585,7 @@ export class Flow {
     var localFlags = other.localFlags;
     for (let i = 0, k = localFlags.length; i < k; ++i) {
       let flags = localFlags[i];
-      if (flags & LocalFlags.AUTORELEASE) this.setLocalFlag(i, LocalFlags.CONDITIONALLY_AUTORELEASE);
+      if (flags & LocalFlags.RETAINED) this.setLocalFlag(i, LocalFlags.CONDITIONALLY_RETAINED);
       if (flags & LocalFlags.READFROM) this.setLocalFlag(i, LocalFlags.CONDITIONALLY_READFROM);
       if (flags & LocalFlags.WRITTENTO) this.setLocalFlag(i, LocalFlags.CONDITIONALLY_WRITTENTO);
     }

src/glue/binaryen.d.ts

@@ -22,6 +22,16 @@ declare function _BinaryenTypeVec128(): BinaryenType;
 declare function _BinaryenTypeUnreachable(): BinaryenType;
 declare function _BinaryenTypeAuto(): BinaryenType;
 
+declare type BinaryenFeatureFlags = u32;
+
+declare function _BinaryenFeatureAtomics(): BinaryenFeatureFlags;
+declare function _BinaryenFeatureMutableGlobals(): BinaryenFeatureFlags;
+declare function _BinaryenFeatureNontrappingFPToInt(): BinaryenFeatureFlags;
+declare function _BinaryenFeatureSIMD128(): BinaryenFeatureFlags;
+declare function _BinaryenFeatureBulkMemory(): BinaryenFeatureFlags;
+declare function _BinaryenFeatureSignExt(): BinaryenFeatureFlags;
+declare function _BinaryenFeatureExceptionHandling(): BinaryenFeatureFlags;
+
 declare type BinaryenExpressionId = i32;
 
 declare function _BinaryenInvalidId(): BinaryenExpressionId;
@@ -612,6 +622,8 @@ declare function _BinaryenModuleRead(input: usize, inputSize: usize): BinaryenMo
 declare function _BinaryenModuleInterpret(module: BinaryenModuleRef): void;
 declare function _BinaryenModuleAddDebugInfoFileName(module: BinaryenModuleRef, filename: usize): BinaryenIndex;
 declare function _BinaryenModuleGetDebugInfoFileName(module: BinaryenModuleRef, index: BinaryenIndex): usize;
+declare function _BinaryenGetFeatures(module: BinaryenModuleRef): BinaryenFeatureFlags;
+declare function _BinaryenSetFeatures(module: BinaryenModuleRef, featureFlags: BinaryenFeatureFlags): void;
 
 declare type BinaryenRelooperRef = usize;
 declare type BinaryenRelooperBlockRef = usize;

src/module.ts

@@ -27,6 +27,16 @@ export enum NativeType {
   Auto = _BinaryenTypeAuto()
 }
 
+export enum FeatureFlags {
+  Atomics = _BinaryenFeatureAtomics(),
+  MutableGloabls = _BinaryenFeatureMutableGlobals(),
+  NontrappingFPToInt = _BinaryenFeatureNontrappingFPToInt(),
+  SIMD128 = _BinaryenFeatureSIMD128(),
+  BulkMemory = _BinaryenFeatureBulkMemory(),
+  SignExt = _BinaryenFeatureSignExt(),
+  ExceptionHandling = _BinaryenFeatureExceptionHandling()
+}
+
 export enum ExpressionId {
   Invalid = _BinaryenInvalidId(),
   Block = _BinaryenBlockId(),
@@ -553,6 +563,7 @@ export class Module {
     offset: Index = 0,
     align: Index = bytes // naturally aligned by default
   ): ExpressionRef {
+    if (type < NativeType.None || type > NativeType.V128) throw new Error("here: " + type);
     return _BinaryenStore(this.ref, bytes, offset, align, ptr, value, type);
   }
 
@@ -1044,6 +1055,14 @@ export class Module {
     _BinaryenSetDebugInfo(on);
   }
 
+  getFeatures(): BinaryenFeatureFlags {
+    return _BinaryenGetFeatures(this.ref);
+  }
+
+  setFeatures(featureFlags: BinaryenFeatureFlags): void {
+    _BinaryenSetFeatures(this.ref, featureFlags);
+  }
+
   optimize(func: FunctionRef = 0): void {
     if (func) {
       _BinaryenFunctionOptimize(func, this.ref);

src/program.ts

@@ -309,13 +309,6 @@ function operatorKindFromDecorator(decoratorKind: DecoratorKind, arg: string): O
   return OperatorKind.INVALID;
 }
 
-/** Garbage collector kind present. */
-export enum CollectorKind {
-  NONE,
-  TRACING,
-  COUNTING
-}
-
 /** Represents an AssemblyScript program. */
 export class Program extends DiagnosticEmitter {
 
@@ -794,13 +787,18 @@ export class Program extends DiagnosticEmitter {
       if (globalAliases) {
         for (let [alias, name] of globalAliases) {
           if (!name.length) continue; // explicitly disabled
-          let elementsByName = this.elementsByName;
-          let element = elementsByName.get(name);
-          if (element) {
-            if (elementsByName.has(alias)) throw new Error("duplicate global element: " + name);
-            elementsByName.set(alias, element);
+          let firstChar = name.charCodeAt(0);
+          if (firstChar >= CharCode._0 && firstChar <= CharCode._9) {
+            this.registerConstantInteger(alias, Type.i32, i64_new(parseI32(name, 10)));
+          } else {
+            let elementsByName = this.elementsByName;
+            let element = elementsByName.get(name);
+            if (element) {
+              if (elementsByName.has(alias)) throw new Error("duplicate global element: " + name);
+              elementsByName.set(alias, element);
+            }
+            else throw new Error("no such global element: " + name);
           }
-          else throw new Error("no such global element: " + name);
         }
       }
     }

src/types.ts

@@ -7,8 +7,7 @@ import {
   Class,
   FunctionTarget,
   Program,
-  DecoratorFlags,
-  CollectorKind
+  DecoratorFlags
 } from "./program";
 
 import {

std/assembly/array.ts

@@ -7,18 +7,20 @@ import { itoa, dtoa, itoa_stream, dtoa_stream, MAX_DOUBLE_LENGTH } from "./util/
 import { idof, isArray as builtin_isArray } from "./builtins";
 import { E_INDEXOUTOFRANGE, E_INVALIDLENGTH, E_EMPTYARRAY, E_HOLEYARRAY } from "./util/error";
 
-/** Ensures that the given array has _at least_ the specified capacity. */
-function ensureCapacity(array: ArrayBufferView, minCapacity: i32, alignLog2: u32): void {
-  if (<u32>minCapacity > <u32>array.dataLength >>> alignLog2) {
-    if (<u32>minCapacity > <u32>(BLOCK_MAXSIZE >>> alignLog2)) throw new RangeError(E_INVALIDLENGTH);
-    let oldData = array.data;
-    let newByteLength = minCapacity << alignLog2;
-    let newData = __realloc(changetype<usize>(oldData), <usize>newByteLength); // registers on move
-    if (newData !== changetype<usize>(oldData)) {
-      array.data = changetype<ArrayBuffer>(newData); // retains
-      array.dataStart = newData;
+/** Ensures that the given array has _at least_ the specified backing size. */
+function ensureSize(array: usize, minSize: usize, alignLog2: u32): void {
+  var oldCapacity = changetype<ArrayBufferView>(array).dataLength;
+  if (minSize > oldCapacity >>> alignLog2) {
+    if (minSize > BLOCK_MAXSIZE >>> alignLog2) throw new RangeError(E_INVALIDLENGTH);
+    let oldData = changetype<usize>(changetype<ArrayBufferView>(array).data);
+    let newCapacity = minSize << alignLog2;
+    let newData = __realloc(oldData, newCapacity);
+    memory.fill(newData + oldCapacity, 0, newCapacity - oldCapacity);
+    if (newData !== oldData) { // oldData has been free'd
+      store<usize>(changetype<usize>(array), __retain(newData), offsetof<ArrayBufferView>("data"));
+      changetype<ArrayBufferView>(array).dataStart = newData;
     }
-    array.dataLength = newByteLength;
+    changetype<ArrayBufferView>(array).dataLength = <u32>newCapacity;
   }
 }
 
@@ -41,10 +43,10 @@ export class Array<T> extends ArrayBufferView {
 
   static create<T>(capacity: i32 = 0): Array<T> {
     if (<u32>capacity > <u32>BLOCK_MAXSIZE >>> alignof<T>()) throw new RangeError(E_INVALIDLENGTH);
-    var array = __allocArray(capacity, alignof<T>(), idof<T[]>());
+    var array = changetype<Array<T>>(__allocArray(capacity, alignof<T>(), idof<T[]>())); // retains
     changetype<Array<T>>(array).length_ = 0; // safe even if T is a non-nullable reference
-    memory.fill(changetype<ArrayBufferView>(array).dataStart, 0, changetype<ArrayBufferView>(array).dataLength);
-    return changetype<Array<T>>(array); // retains
+    memory.fill(array.dataStart, 0, <usize>array.dataLength);
+    return array;
   }
 
   constructor(length: i32 = 0) {
@@ -71,7 +73,7 @@ export class Array<T> extends ArrayBufferView {
         if (<u32>length > <u32>this.length_) throw new Error(E_HOLEYARRAY);
       }
     }
-    ensureCapacity(this, length, alignof<T>());
+    ensureSize(changetype<usize>(this), length, alignof<T>());
     this.length_ = length;
   }
 
@@ -110,7 +112,7 @@ export class Array<T> extends ArrayBufferView {
         if (<u32>index > <u32>length) throw new Error(E_HOLEYARRAY);
       }
     }
-    ensureCapacity(this, index + 1, alignof<T>());
+    ensureSize(changetype<usize>(this), index + 1, alignof<T>());
     this.__unchecked_set(index, value);
     if (index >= length) this.length_ = index + 1;
   }
@@ -177,7 +179,7 @@ export class Array<T> extends ArrayBufferView {
   push(value: T): i32 {
     var length = this.length_;
     var newLength = length + 1;
-    ensureCapacity(this, newLength, alignof<T>());
+    ensureSize(changetype<usize>(this), newLength, alignof<T>());
     if (isManaged<T>()) {
       let offset = this.dataStart + (<usize>length << alignof<T>());
       store<usize>(offset, __retainRelease(changetype<usize>(value), load<usize>(offset)));
@@ -193,8 +195,8 @@ export class Array<T> extends ArrayBufferView {
     var otherLen = select(0, other.length_, other === null);
     var outLen = thisLen + otherLen;
     if (<u32>outLen > <u32>BLOCK_MAXSIZE >>> alignof<T>()) throw new Error(E_INVALIDLENGTH);
-    var out = __allocArray(outLen, alignof<T>(), idof<Array<T>>());
-    var outStart = changetype<ArrayBufferView>(out).dataStart;
+    var out = changetype<Array<T>>(__allocArray(outLen, alignof<T>(), idof<Array<T>>())); // retains
+    var outStart = out.dataStart;
     var thisSize = <usize>thisLen << alignof<T>();
     if (isManaged<T>()) {
       let thisStart = this.dataStart;
@@ -213,7 +215,7 @@ export class Array<T> extends ArrayBufferView {
       memory.copy(outStart, this.dataStart, thisSize);
       memory.copy(outStart + thisSize, other.dataStart, <usize>otherLen << alignof<T>());
     }
-    return changetype<Array<T>>(out);
+    return out;
   }
 
   copyWithin(target: i32, start: i32, end: i32 = i32.MAX_VALUE): this {
@@ -259,8 +261,8 @@ export class Array<T> extends ArrayBufferView {
 
   map<U>(callbackfn: (value: T, index: i32, array: Array<T>) => U): Array<U> {
     var length = this.length_;
-    var out = __allocArray(length, alignof<U>(), idof<Array<U>>());
-    var outStart = changetype<ArrayBufferView>(out).dataStart;
+    var out = changetype<Array<U>>(__allocArray(length, alignof<U>(), idof<Array<U>>())); // retains
+    var outStart = out.dataStart;
     for (let index = 0; index < min(length, this.length_); ++index) {
       let result = callbackfn(load<T>(this.dataStart + (<usize>index << alignof<T>())), index, this); // retains
       if (isManaged<U>()) {
@@ -270,16 +272,16 @@ export class Array<T> extends ArrayBufferView {
       }
       // releases result
     }
-    return changetype<Array<U>>(out); // retains
+    return out;
   }
 
   filter(callbackfn: (value: T, index: i32, array: Array<T>) => bool): Array<T> {
-    var result = __allocArray(0, alignof<T>(), idof<Array<T>>());
+    var result = changetype<Array<T>>(__allocArray(0, alignof<T>(), idof<Array<T>>())); // retains
     for (let index = 0, length = this.length_; index < min(length, this.length_); ++index) {
       let value = load<T>(this.dataStart + (<usize>index << alignof<T>()));
-      if (callbackfn(value, index, this)) changetype<Array<T>>(result).push(value);
+      if (callbackfn(value, index, this)) result.push(value);
     }
-    return changetype<Array<T>>(result); // retains
+    return result;
   }
 
   reduce<U>(
@@ -332,7 +334,7 @@ export class Array<T> extends ArrayBufferView {
 
   unshift(element: T): i32 {
     var newLength = this.length_ + 1;
-    ensureCapacity(this, newLength, alignof<T>());
+    ensureSize(changetype<usize>(this), newLength, alignof<T>());
     var dataStart = this.dataStart;
     memory.copy(
       dataStart + sizeof<T>(),
@@ -353,8 +355,8 @@ export class Array<T> extends ArrayBufferView {
     begin = begin < 0 ? max(begin + length, 0) : min(begin, length);
     end   = end   < 0 ? max(end   + length, 0) : min(end  , length);
     length = max(end - begin, 0);
-    var slice = __allocArray(length, alignof<T>(), idof<Array<T>>());
-    var sliceBase = changetype<ArrayBufferView>(slice).dataStart;
+    var slice = changetype<Array<T>>(__allocArray(length, alignof<T>(), idof<Array<T>>())); // retains
+    var sliceBase = slice.dataStart;
     var thisBase = this.dataStart + (<usize>begin << alignof<T>());
     if (isManaged<T>()) {
       let off = <usize>0;
@@ -367,15 +369,15 @@ export class Array<T> extends ArrayBufferView {
     } else {
       memory.copy(sliceBase, thisBase, length << alignof<T>());
     }
-    return changetype<Array<T>>(slice); // retains
+    return slice;
   }
 
   splice(start: i32, deleteCount: i32 = i32.MAX_VALUE): Array<T> {
     var length  = this.length_;
     start       = start < 0 ? max<i32>(length + start, 0) : min<i32>(start, length);
     deleteCount = max<i32>(min<i32>(deleteCount, length - start), 0);
-    var result = __allocArray(deleteCount, alignof<T>(), idof<Array<T>>());
-    var resultStart = changetype<ArrayBufferView>(result).dataStart;
+    var result = changetype<Array<T>>(__allocArray(deleteCount, alignof<T>(), idof<Array<T>>())); // retains
+    var resultStart = result.dataStart;
     var thisStart = this.dataStart;
     var thisBase  = thisStart + (<usize>start << alignof<T>());
     if (isManaged<T>()) {
@@ -401,7 +403,7 @@ export class Array<T> extends ArrayBufferView {
       );
     }
     this.length_ = length - deleteCount;
-    return changetype<Array<T>>(result); // retains
+    return result;
   }
 
   reverse(): Array<T> {
@@ -421,9 +423,6 @@ export class Array<T> extends ArrayBufferView {
   }
 
   sort(comparator: (a: T, b: T) => i32 = COMPARATOR<T>()): this {
-    // TODO remove this when flow will allow tracking null
-    assert(comparator); // The comparison function must be a function
-
     var length = this.length_;
     if (length <= 1) return this;
     var base = this.dataStart;
@@ -460,21 +459,21 @@ export class Array<T> extends ArrayBufferView {
     var sepLen = separator.length;
     var valueLen = 5; // max possible length of element len("false")
     var estLen = (valueLen + sepLen) * lastIndex + valueLen;
-    var result = __alloc(estLen << 1, idof<string>());
+    var result = changetype<string>(__alloc(estLen << 1, idof<string>())); // retains
     var offset = 0;
     var value: bool;
     for (let i = 0; i < lastIndex; ++i) {
       value = load<bool>(dataStart + i);
       valueLen = 4 + i32(!value);
       memory.copy(
-        result + (<usize>offset << 1),
+        changetype<usize>(result) + (<usize>offset << 1),
         changetype<usize>(select("true", "false", value)),
         <usize>valueLen << 1
       );
       offset += valueLen;
       if (sepLen) {
         memory.copy(
-          result + (<usize>offset << 1),
+          changetype<usize>(result) + (<usize>offset << 1),
           changetype<usize>(separator),
           <usize>sepLen << 1
         );
@@ -484,16 +483,14 @@ export class Array<T> extends ArrayBufferView {
     value = load<bool>(dataStart + <usize>lastIndex);
     valueLen = 4 + i32(!value);
     memory.copy(
-      result + (<usize>offset << 1),
+      changetype<usize>(result) + (<usize>offset << 1),
       changetype<usize>(select("true", "false", value)),
       valueLen << 1
     );
     offset += valueLen;
 
-    if (estLen > offset) {
-      return changetype<string>(result).substring(0, offset); // retains/releases result, retains return
-    }
-    return changetype<string>(result); // retains
+    if (estLen > offset) return result.substring(0, offset);
+    return result;
   }
 
   private join_int(separator: string = ","): string {
@@ -506,16 +503,16 @@ export class Array<T> extends ArrayBufferView {
     var sepLen = separator.length;
     const valueLen = (sizeof<T>() <= 4 ? 10 : 20) + i32(isSigned<T>());
     var estLen = (valueLen + sepLen) * lastIndex + valueLen;
-    var result = __alloc(estLen << 1, idof<string>());
+    var result = changetype<string>(__alloc(estLen << 1, idof<string>())); // retains
     var offset = 0;
     var value: T;
     for (let i = 0; i < lastIndex; ++i) {
       value = load<T>(dataStart + (<usize>i << alignof<T>()));
       // @ts-ignore: type
-      offset += itoa_stream<T>(result, offset, value);
+      offset += itoa_stream<T>(changetype<usize>(result), offset, value);
       if (sepLen) {
         memory.copy(
-          result + (<usize>offset << 1),
+          changetype<usize>(result) + (<usize>offset << 1),
           changetype<usize>(separator),
           <usize>sepLen << 1
         );
@@ -524,11 +521,9 @@ export class Array<T> extends ArrayBufferView {
     }
     value = load<T>(dataStart + (<usize>lastIndex << alignof<T>()));
     // @ts-ignore: type
-    offset += itoa_stream<T>(result, offset, value);
-    if (estLen > offset) {
-      return changetype<string>(result).substring(0, offset); // retains/releases result, retains return
-    }
-    return changetype<string>(result); // retains
+    offset += itoa_stream<T>(changetype<usize>(result), offset, value);
+    if (estLen > offset) return result.substring(0, offset);
+    return result;
   }
 
   private join_flt(separator: string = ","): string {
@@ -545,18 +540,18 @@ export class Array<T> extends ArrayBufferView {
     const valueLen = MAX_DOUBLE_LENGTH;
     var sepLen = separator.length;
     var estLen = (valueLen + sepLen) * lastIndex + valueLen;
-    var result = __alloc(estLen << 1, idof<string>());
+    var result = changetype<string>(__alloc(estLen << 1, idof<string>())); // retains
     var offset = 0;
     var value: T;
     for (let i = 0; i < lastIndex; ++i) {
       value = load<T>(dataStart + (<usize>i << alignof<T>()));
-      offset += dtoa_stream(result, offset,
+      offset += dtoa_stream(changetype<usize>(result), offset,
         // @ts-ignore: type
         value
       );
       if (sepLen) {
         memory.copy(
-          result + (<usize>offset << 1),
+          changetype<usize>(result) + (<usize>offset << 1),
           changetype<usize>(separator),
           <usize>sepLen << 1
         );
@@ -564,14 +559,12 @@ export class Array<T> extends ArrayBufferView {
       }
     }
     value = load<T>(dataStart + (<usize>lastIndex << alignof<T>()));
-    offset += dtoa_stream(result, offset,
+    offset += dtoa_stream(changetype<usize>(result), offset,
       // @ts-ignore: type
       value
     );
-    if (estLen > offset) {
-      return changetype<string>(result).substring(0, offset); // retains/releases result, retains return
-    }
-    return changetype<string>(result); // retains
+    if (estLen > offset) return result.substring(0, offset);
+    return result;
   }
 
   private join_str(separator: string = ","): string {
@@ -588,13 +581,13 @@ export class Array<T> extends ArrayBufferView {
       if (value !== null) estLen += value.length;
     }
     var offset = 0;
-    var result = __alloc((estLen + sepLen * lastIndex) << 1, idof<string>());
+    var result = changetype<string>(__alloc((estLen + sepLen * lastIndex) << 1, idof<string>())); // retains
     for (let i = 0; i < lastIndex; ++i) {
       value = load<string>(dataStart + (<usize>i << alignof<T>()));
       if (value !== null) {
         let valueLen = changetype<string>(value).length;
         memory.copy(
-          result + (<usize>offset << 1),
+          changetype<usize>(result) + (<usize>offset << 1),
           changetype<usize>(value),
           <usize>valueLen << 1
         );
@@ -602,7 +595,7 @@ export class Array<T> extends ArrayBufferView {
       }
       if (sepLen) {
         memory.copy(
-          result + (<usize>offset << 1),
+          changetype<usize>(result) + (<usize>offset << 1),
           changetype<usize>(separator),
           <usize>sepLen << 1
         );
@@ -612,12 +605,12 @@ export class Array<T> extends ArrayBufferView {
     value = load<string>(dataStart + (<usize>lastIndex << alignof<T>()));
     if (value !== null) {
       memory.copy(
-        result + (<usize>offset << 1),
+        changetype<usize>(result) + (<usize>offset << 1),
         changetype<usize>(value),
         <usize>changetype<string>(value).length << 1
       );
     }
-    return changetype<string>(result); // retains
+    return result;
   }
 
   private join_arr(separator: string = ","): string {
@@ -654,14 +647,14 @@ export class Array<T> extends ArrayBufferView {
     const valueLen = 15; // max possible length of element len("[object Object]")
     var sepLen = separator.length;
     var estLen = (valueLen + sepLen) * lastIndex + valueLen;
-    var result = __alloc(estLen << 1, idof<string>());
+    var result = changetype<string>(__alloc(estLen << 1, idof<string>()));
     var offset = 0;
     var value: T;
     for (let i = 0; i < lastIndex; ++i) {
       value = load<T>(base + (<usize>i << alignof<T>()));
       if (value) {
         memory.copy(
-          result + (<usize>offset << 1),
+          changetype<usize>(result) + (<usize>offset << 1),
           changetype<usize>("[object Object]"),
           <usize>valueLen << 1
         );
@@ -669,7 +662,7 @@ export class Array<T> extends ArrayBufferView {
       }
       if (sepLen) {
         memory.copy(
-          result + (<usize>offset << 1),
+          changetype<usize>(result) + (<usize>offset << 1),
           changetype<usize>(separator),
           <usize>sepLen << 1
         );
@@ -678,42 +671,32 @@ export class Array<T> extends ArrayBufferView {
     }
     if (load<T>(base + (<usize>lastIndex << alignof<T>()))) {
       memory.copy(
-        result + (<usize>offset << 1),
+        changetype<usize>(result) + (<usize>offset << 1),
         changetype<usize>("[object Object]"),
         <usize>valueLen << 1
       );
       offset += valueLen;
     }
-    if (estLen > offset) {
-      return changetype<string>(result).substring(0, offset); // retains/releases result, retains return
-    }
-    return changetype<string>(result); // retains
+    if (estLen > offset) return result.substring(0, offset);
+    return result;
   }
 
   toString(): string {
     return this.join();
   }
 
-  // GC integration
+  // RT integration
 
-  @unsafe private __traverse(cookie: u32): void {
-    __visit(changetype<usize>(this.data), cookie);
+  @unsafe private __visit_impl(cookie: u32): void {
     if (isManaged<T>()) {
       let cur = this.dataStart;
       let end = cur + <usize>this.dataLength;
       while (cur < end) {
         let val = load<usize>(cur);
-        if (isNullable<T>()) {
-          if (val) {
-            __visit(val, cookie);
-            __visit_members(val, cookie);
-          }
-        } else {
-          __visit(val, cookie);
-          __visit_members(val, cookie);
-        }
+        if (val) __visit(val, cookie);
         cur += sizeof<usize>();
       }
     }
+    // automatically visits ArrayBufferView (.data) next
   }
 }

std/assembly/arraybuffer.ts

@@ -12,9 +12,9 @@ export abstract class ArrayBufferView {
 
   protected constructor(length: i32, alignLog2: i32) {
     if (<u32>length > <u32>BLOCK_MAXSIZE >>> alignLog2) throw new RangeError(E_INVALIDLENGTH);
-    var buffer = new ArrayBuffer(length = length << alignLog2);
-    this.data = buffer; // retains
-    this.dataStart = changetype<usize>(buffer);
+    var buffer = __alloc(length = length << alignLog2, idof<ArrayBuffer>());
+    this.data = changetype<ArrayBuffer>(buffer); // retains
+    this.dataStart = buffer;
     this.dataLength = length;
   }
 

std/assembly/fixedarray.ts

@@ -56,23 +56,15 @@ export class FixedArray<T> {
     }
   }
 
-  // GC integration
+  // RT integration
 
-  @unsafe private __traverse(cookie: u32): void {
+  @unsafe private __visit_impl(cookie: u32): void {
     if (isManaged<T>()) {
       let cur = changetype<usize>(this);
       let end = cur + changetype<BLOCK>(changetype<usize>(this) - BLOCK_OVERHEAD).rtSize;
       while (cur < end) {
         let val = load<usize>(cur);
-        if (isNullable<T>()) {
-          if (val) {
-            __visit(val, cookie);
-            __visit_members(val, cookie);
-          }
-        } else {
-          __visit(val, cookie);
-          __visit_members(val, cookie);
-        }
+        if (val) __visit(val, cookie);
         cur += sizeof<usize>();
       }
     }

std/assembly/map.ts

@@ -187,14 +187,13 @@ export class Map<K,V> {
     return "[object Map]";
   }
 
-  // GC integration
+  // RT integration
 
-  @unsafe private __traverse(cookie: u32): void {
+  @unsafe private __visit_impl(cookie: u32): void {
     __visit(changetype<usize>(this.buckets), cookie);
-    var entries = this.entries;
-    __visit(changetype<usize>(entries), cookie);
+    var entries = changetype<usize>(this.entries);
     if (isManaged<K>() || isManaged<V>()) {
-      let cur = changetype<usize>(entries);
+      let cur = entries;
       let end = cur + <usize>this.entriesOffset * ENTRY_SIZE<K,V>();
       while (cur < end) {
         let entry = changetype<MapEntry<K,V>>(cur);
@@ -202,30 +201,19 @@ export class Map<K,V> {
           if (isManaged<K>()) {
             let val = changetype<usize>(entry.key);
             if (isNullable<K>()) {
-              if (val) {
-                __visit(val, cookie);
-                __visit_members(val, cookie);
-              }
-            } else {
-              __visit(val, cookie);
-              __visit_members(val, cookie);
-            }
+              if (val) __visit(val, cookie);
+            } else __visit(val, cookie);
           }
           if (isManaged<V>()) {
             let val = changetype<usize>(entry.value);
             if (isNullable<V>()) {
-              if (val) {
-                __visit(val, cookie);
-                __visit_members(val, cookie);
-              }
-            } else {
-              __visit(val, cookie);
-              __visit_members(val, cookie);
-            }
+              if (val) __visit(val, cookie);
+            } else __visit(val, cookie);
           }
         }
         cur += ENTRY_SIZE<K,V>();
       }
     }
+    __visit(entries, cookie);
   }
 }

std/assembly/rt/common.ts

@@ -46,14 +46,14 @@
 
 import { RTTI_BASE } from "builtins";
 import { RTTIData, RTTIFlags } from "common/rtti";
+import { E_INDEXOUTOFRANGE } from "../util/error";
 
 // @ts-ignore: decorator
 @unsafe @global
 export function __typeinfo(id: u32): RTTIFlags {
   var ptr = RTTI_BASE;
-  return !id || id > load<u32>(ptr)
-    ? unreachable()
-    : changetype<RTTIData>(ptr + id * offsetof<RTTIData>()).flags;
+  if (!id || id > load<u32>(ptr)) throw new Error(E_INDEXOUTOFRANGE);
+  return changetype<RTTIData>(ptr + id * offsetof<RTTIData>()).flags;
 }
 
 // @ts-ignore: decorator
@@ -79,7 +79,7 @@ export function __allocArray(length: i32, alignLog2: usize, id: u32, data: usize
   var array = __alloc(offsetof<i32[]>(), id);
   var bufferSize = <usize>length << alignLog2;
   var buffer = __alloc(bufferSize, idof<ArrayBuffer>());
-  changetype<ArrayBufferView>(array).data = changetype<ArrayBuffer>(buffer); // TODO/RT: retains
+  store<usize>(array, __retain(buffer), offsetof<ArrayBufferView>("data"));
   changetype<ArrayBufferView>(array).dataStart = buffer;
   changetype<ArrayBufferView>(array).dataLength = bufferSize;
   store<i32>(changetype<usize>(array), length, offsetof<i32[]>("length_"));

std/assembly/rt/index-stub.ts

@@ -1,85 +1,2 @@
-import { AL_MASK, BLOCK, BLOCK_OVERHEAD, BLOCK_MAXSIZE } from "rt/common";
-
-// @ts-ignore: decorator
-@lazy
-var startOffset: usize = (HEAP_BASE + AL_MASK) & ~AL_MASK;
-
-// @ts-ignore: decorator
-@lazy
-var offset: usize = startOffset;
-
-// @ts-ignore: decorator
-@unsafe @global
-export function __alloc(size: usize, id: u32): usize {
-  if (size > BLOCK_MAXSIZE) unreachable();
-  var ptr = offset + BLOCK_OVERHEAD;
-  var newPtr = (ptr + max<usize>(size, 1) + AL_MASK) & ~AL_MASK;
-  var pagesBefore = memory.size();
-  if (newPtr > <usize>pagesBefore << 16) {
-    let pagesNeeded = ((newPtr - ptr + 0xffff) & ~0xffff) >>> 16;
-    let pagesWanted = max(pagesBefore, pagesNeeded); // double memory
-    if (memory.grow(pagesWanted) < 0) {
-      if (memory.grow(pagesNeeded) < 0) unreachable(); // out of memory
-    }
-  }
-  offset = newPtr;
-  var block = changetype<BLOCK>(ptr - BLOCK_OVERHEAD);
-  block.rtId = id;
-  block.rtSize = size;
-  return ptr;
-}
-
-// @ts-ignore: decorator
-@unsafe @global
-export function __realloc(ref: usize, size: usize): usize {
-  var block = changetype<BLOCK>(ref - BLOCK_OVERHEAD);
-  var oldSize = <usize>block.rtSize;
-  if (size > oldSize) {
-    let newRef = __alloc(size, block.rtId);
-    memory.copy(newRef, ref, oldSize);
-    ref = newRef;
-  } else {
-    block.rtSize = size;
-  }
-  return ref;
-}
-
-// @ts-ignore: decorator
-@unsafe @global
-export function __free(ref: usize): void {
-}
-
-// @ts-ignore: decorator
-// @unsafe @global
-// export function __reset(): void { // special
-//   offset = startOffset;
-// }
-
-// @ts-ignore: decorator
-@global @unsafe
-export function __retain(ref: usize): usize {
-  return ref;
-}
-
-// @ts-ignore: decorator
-@global @unsafe
-export function __release(ref: usize): void {
-}
-
-// @ts-ignore: decorator
-@global @unsafe
-function __visit(ref: usize, cookie: u32): void {
-}
-
-// @ts-ignore: decorator
-@global @unsafe
-function __retainRelease(ref: usize, oldRef: usize): usize {
-  return ref;
-}
-
-// @ts-ignore: decorator
-@global @unsafe
-export function __collect(): void {
-}
-
+export { __alloc, __realloc, __free, __retain, __release, __collect } from "rt/stub";
 export { __instanceof, __typeinfo } from "rt/common";

std/assembly/rt/purerc.ts

@@ -1,4 +1,4 @@
-import { DEBUG, BLOCK_OVERHEAD, BLOCK } from "rt/common";
+import { DEBUG, BLOCK_OVERHEAD } from "rt/common";
 import { Block, freeBlock, ROOT } from "rt/tlsf";
 import { RTTIFlags } from "common/rtti";
 
@@ -102,12 +102,16 @@ function increment(s: Block): void {
   var info = s.gcInfo;
   assert((info & ~REFCOUNT_MASK) == ((info + 1) & ~REFCOUNT_MASK)); // overflow
   s.gcInfo = info + 1;
+  if (isDefined(ASC_RTRACE)) onIncrement(s);
+  if (DEBUG) assert(!(s.mmInfo & 1)); // used
 }
 
 /** Decrements the reference count of the specified block by one, possibly freeing it. */
 function decrement(s: Block): void {
   var info = s.gcInfo;
   var rc = info & REFCOUNT_MASK;
+  if (isDefined(ASC_RTRACE)) onDecrement(s);
+  if (DEBUG) assert(!(s.mmInfo & 1)); // used
   if (rc == 1) {
     __visit_members(changetype<usize>(s) + BLOCK_OVERHEAD, VISIT_DECREMENT);
     if (!(info & BUFFERED_MASK)) {
@@ -261,3 +265,11 @@ export function __retainRelease(ref: usize, oldRef: usize): usize {
   }
   return ref;
 }
+
+// @ts-ignore: decorator
+@external("rtrace", "retain")
+declare function onIncrement(s: Block): void;
+
+// @ts-ignore: decorator
+@external("rtrace", "release")
+declare function onDecrement(s: Block): void;

std/assembly/rt/stub.ts

@@ -0,0 +1,83 @@
+import { AL_MASK, BLOCK, BLOCK_OVERHEAD, BLOCK_MAXSIZE } from "rt/common";
+
+// @ts-ignore: decorator
+@lazy
+var startOffset: usize = (HEAP_BASE + AL_MASK) & ~AL_MASK;
+
+// @ts-ignore: decorator
+@lazy
+var offset: usize = startOffset;
+
+// @ts-ignore: decorator
+@unsafe @global
+export function __alloc(size: usize, id: u32): usize {
+  if (size > BLOCK_MAXSIZE) unreachable();
+  var ptr = offset + BLOCK_OVERHEAD;
+  var newPtr = (ptr + max<usize>(size, 1) + AL_MASK) & ~AL_MASK;
+  var pagesBefore = memory.size();
+  if (newPtr > <usize>pagesBefore << 16) {
+    let pagesNeeded = ((newPtr - ptr + 0xffff) & ~0xffff) >>> 16;
+    let pagesWanted = max(pagesBefore, pagesNeeded); // double memory
+    if (memory.grow(pagesWanted) < 0) {
+      if (memory.grow(pagesNeeded) < 0) unreachable(); // out of memory
+    }
+  }
+  offset = newPtr;
+  var block = changetype<BLOCK>(ptr - BLOCK_OVERHEAD);
+  block.rtId = id;
+  block.rtSize = size;
+  return ptr;
+}
+
+// @ts-ignore: decorator
+@unsafe @global
+export function __realloc(ref: usize, size: usize): usize {
+  var block = changetype<BLOCK>(ref - BLOCK_OVERHEAD);
+  var oldSize = <usize>block.rtSize;
+  if (size > oldSize) {
+    let newRef = __alloc(size, block.rtId);
+    memory.copy(newRef, ref, oldSize);
+    ref = newRef;
+  } else {
+    block.rtSize = size;
+  }
+  return ref;
+}
+
+// @ts-ignore: decorator
+@unsafe @global
+export function __free(ref: usize): void {
+}
+
+// @ts-ignore: decorator
+// @unsafe @global
+// export function __reset(): void { // special
+//   offset = startOffset;
+// }
+
+// @ts-ignore: decorator
+@global @unsafe
+export function __retain(ref: usize): usize {
+  return ref;
+}
+
+// @ts-ignore: decorator
+@global @unsafe
+export function __release(ref: usize): void {
+}
+
+// @ts-ignore: decorator
+@global @unsafe
+function __visit(ref: usize, cookie: u32): void {
+}
+
+// @ts-ignore: decorator
+@global @unsafe
+function __retainRelease(ref: usize, oldRef: usize): usize {
+  return ref;
+}
+
+// @ts-ignore: decorator
+@global @unsafe
+export function __collect(): void {
+}

std/assembly/rt/tlsf.ts

@@ -476,7 +476,7 @@ export function allocateBlock(root: Root, size: usize): Block {
     if (DEBUG) assert(block); // must be found now
   }
   if (DEBUG) assert((block.mmInfo & ~TAGS_MASK) >= payloadSize); // must fit
-  block.gcInfo = 1; // RC=1
+  block.gcInfo = 0; // RC=0
   // block.rtId = 0; // set by the caller (__alloc)
   block.rtSize = size;
   removeBlock(root, <Block>block);
@@ -520,6 +520,7 @@ export function reallocateBlock(root: Root, block: Block, size: usize): Block {
   memory.copy(changetype<usize>(newBlock) + BLOCK_OVERHEAD, changetype<usize>(block) + BLOCK_OVERHEAD, size);
   block.mmInfo = blockInfo | FREE;
   insertBlock(root, block);
+  if (isDefined(ASC_RTRACE)) onFree(block);
   return newBlock;
 }
 
@@ -529,6 +530,7 @@ export function freeBlock(root: Root, block: Block): void {
   assert(!(blockInfo & FREE)); // must be used (user might call through to this)
   block.mmInfo = blockInfo | FREE;
   insertBlock(root, block);
+  if (isDefined(ASC_RTRACE)) onFree(block);
 }
 
 // @ts-ignore: decorator
@@ -559,3 +561,7 @@ export function __free(ref: usize): void {
   assert(ref != 0 && !(ref & AL_MASK)); // must exist and be aligned
   freeBlock(ROOT, changetype<Block>(ref - BLOCK_OVERHEAD));
 }
+
+// @ts-ignore: decorator
+@external("rtrace", "free")
+declare function onFree(s: Block): void;

std/assembly/set.ts

@@ -167,31 +167,25 @@ export class Set<K> {
     return "[object Set]";
   }
 
-  // GC integration
+  // RT integration
 
-  @unsafe private __traverse(cookie: u32): void {
+  @unsafe private __visit_impl(cookie: u32): void {
     __visit(changetype<usize>(this.buckets), cookie);
-    var entries = this.entries;
-    __visit(changetype<usize>(entries), cookie);
+    var entries = changetype<usize>(this.entries);
     if (isManaged<K>()) {
-      let cur = changetype<usize>(entries);
+      let cur = entries;
       let end = cur + <usize>this.entriesOffset * ENTRY_SIZE<K>();
       while (cur < end) {
         let entry = changetype<SetEntry<K>>(cur);
         if (!(entry.taggedNext & EMPTY)) {
           let val = changetype<usize>(entry.key);
           if (isNullable<K>()) {
-            if (val) {
-              __visit(val, cookie);
-              __visit_members(val, cookie);
-            }
-          } else {
-            __visit(val, cookie);
-            __visit_members(val, cookie);
-          }
+            if (val) __visit(val, cookie);
+          } else __visit(val, cookie);
         }
         cur += ENTRY_SIZE<K>();
       }
     }
+    __visit(entries, cookie);
   }
 }

std/assembly/string.ts

@@ -68,10 +68,10 @@ import { idof } from "./builtins";
     var otherSize: isize = other.length << 1;
     var outSize: usize = thisSize + otherSize;
     if (outSize == 0) return changetype<String>("");
-    var out = __alloc(outSize, idof<String>());
-    memory.copy(out, changetype<usize>(this), thisSize);
-    memory.copy(out + thisSize, changetype<usize>(other), otherSize);
-    return changetype<String>(out); // retains
+    var out = changetype<String>(__alloc(outSize, idof<String>())); // retains
+    memory.copy(changetype<usize>(out), changetype<usize>(this), thisSize);
+    memory.copy(changetype<usize>(out) + thisSize, changetype<usize>(other), otherSize);
+    return out;
   }
 
   endsWith(searchString: String, endPosition: i32 = String.MAX_LENGTH): bool {

tests/compiler.js

@@ -212,7 +212,7 @@ tests.forEach(filename => {
       "--validate",
       "--measure",
       "--binaryFile", // -> stdout
-      "-O3"
+      // "-O3"
     ];
     if (asc_flags)
       Array.prototype.push.apply(cmd, asc_flags);
@@ -240,7 +240,7 @@ tests.forEach(filename => {
           if (!ptr) return "null";
           var U32 = new Uint32Array(exports.memory ? exports.memory.buffer : memory.buffer);
           var U16 = new Uint16Array(exports.memory ? exports.memory.buffer : memory.buffer);
-          var len16 = U32[(ptr - RUNTIME_HEADER_SIZE + 4) >>> 2] >>> 1;
+          var len16 = U32[(ptr - RUNTIME_HEADER_SIZE + 12) >>> 2] >>> 1;
           var ptr16 = ptr >>> 1;
           return String.fromCharCode.apply(String, U16.subarray(ptr16, ptr16 + len16));
         }
@@ -248,6 +248,12 @@ tests.forEach(filename => {
         var binaryBuffer = stdout.toBuffer();
         if (args.createBinary)
           fs.writeFileSync(path.join(basedir, basename + ".optimized.wasm"), binaryBuffer);
+        let rtrace = new Map();
+        let rtraceEnabled = false;
+        let rtraceRetains = 0;
+        let rtraceReleases = 0;
+        let rtraceFrees = 0;
+        let rtraceUsesAfterFree = 0;
         let runTime = asc.measure(() => {
           exports = new WebAssembly.Instance(new WebAssembly.Module(binaryBuffer), {
             env: {
@@ -284,6 +290,37 @@ tests.forEach(filename => {
             foo: {
               baz: function() {},
               "var": 3
+            },
+
+            // runtime tracing
+            rtrace: {
+              retain: function(s) {
+                ++rtraceRetains;
+                let rc = rtrace.get(s) | 0;
+                rtrace.set(s, ++rc);
+                // console.log("  retain(" + s + ", RC=" + rc + ")");
+                rtraceEnabled = true;
+              },
+              release: function(s) {
+                ++rtraceReleases;
+                let rc = rtrace.get(s) | 0;
+                if (--rc <= 0) {
+                  rtrace.delete(s);
+                  if (rc < 0) {
+                    ++rtraceUsesAfterFree;
+                    console.log("  USEAFTERFREE(" + s + ", RC=" + rc + ")");
+                  }
+                } else rtrace.set(s, rc);
+                // console.log("  release(" + s + ", RC=" + rc + ")");
+                rtraceEnabled = true;
+              },
+              free: function(s) {
+                ++rtraceFrees;
+                let rc = rtrace.get(s) | 0;
+                // if (rc != 0) console.log("  free(" + s + ", RC=" + rc + ")");
+                rtrace.delete(s);
+                rtraceEnabled = true;
+              }
             }
           }).exports;
           if (exports.main) {
@@ -291,6 +328,16 @@ tests.forEach(filename => {
             var code = exports.main();
             console.log(colorsUtil.white("  [exit " + code + "]\n"));
           }
+          if (rtraceEnabled) {
+            console.log("- " + "rtrace: " + rtraceRetains + " retains, " + rtraceReleases + " releases, " + rtraceFrees + " explicit frees");
+            if (rtrace.size || rtraceUsesAfterFree) {
+              let msg = "memory leak detected: " + rtrace.size + " leaking, " + rtraceUsesAfterFree + " uses after free";
+              console.log("  " + colorsUtil.red("ERROR: ") + msg);
+              failed = true;
+              failedMessages.set(basename, msg);
+            }
+            console.log();
+          }
         });
         console.log("- " + colorsUtil.green("instantiate OK") + " (" + asc.formatTime(runTime) + ")");
         console.log("\n  " + Object.keys(exports).map(key => {

tests/compiler/abi.optimized.wat

@@ -4,8 +4,7 @@
  (type $FUNCSIG$v (func))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00\0c")
- (data (i32.const 24) "a\00b\00i\00.\00t\00s")
+ (data (i32.const 8) "\0c\00\00\00\01\00\00\00\10\00\00\00\0c\00\00\00a\00b\00i\00.\00t\00s")
  (global $abi/condition (mut i32) (i32.const 0))
  (global $abi/y (mut i32) (i32.const 0))
  (export "memory" (memory $0))

tests/compiler/abi.untouched.wat

@@ -4,7 +4,7 @@
  (type $FUNCSIG$v (func))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00\0c\00\00\00\00\00\00\00\00\00\00\00a\00b\00i\00.\00t\00s\00")
+ (data (i32.const 8) "\0c\00\00\00\01\00\00\00\10\00\00\00\0c\00\00\00a\00b\00i\00.\00t\00s\00")
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
  (global $abi/condition (mut i32) (i32.const 0))

tests/compiler/assert.optimized.wat

@@ -1,10 +1,8 @@
 (module
  (type $FUNCSIG$v (func))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00\12")
- (data (i32.const 24) "a\00s\00s\00e\00r\00t\00.\00t\00s")
- (data (i32.const 48) "\10\00\00\00\18")
- (data (i32.const 64) "m\00u\00s\00t\00 \00b\00e\00 \00t\00r\00u\00e")
+ (data (i32.const 8) "\12\00\00\00\01\00\00\00\10\00\00\00\12\00\00\00a\00s\00s\00e\00r\00t\00.\00t\00s")
+ (data (i32.const 48) "\18\00\00\00\01\00\00\00\10\00\00\00\18\00\00\00m\00u\00s\00t\00 \00b\00e\00 \00t\00r\00u\00e")
  (export "memory" (memory $0))
  (func $start (; 0 ;) (type $FUNCSIG$v)
   nop

tests/compiler/assert.untouched.wat

@@ -3,8 +3,8 @@
  (type $FUNCSIG$v (func))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00\12\00\00\00\00\00\00\00\00\00\00\00a\00s\00s\00e\00r\00t\00.\00t\00s\00")
- (data (i32.const 48) "\10\00\00\00\18\00\00\00\00\00\00\00\00\00\00\00m\00u\00s\00t\00 \00b\00e\00 \00t\00r\00u\00e\00")
+ (data (i32.const 8) "\12\00\00\00\01\00\00\00\10\00\00\00\12\00\00\00a\00s\00s\00e\00r\00t\00.\00t\00s\00")
+ (data (i32.const 48) "\18\00\00\00\01\00\00\00\10\00\00\00\18\00\00\00m\00u\00s\00t\00 \00b\00e\00 \00t\00r\00u\00e\00")
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
  (export "memory" (memory $0))

tests/compiler/binary.untouched.wat

@@ -1345,34 +1345,32 @@
     local.get $5
     i32.gt_s
     if
-     block
+     local.get $2
+     local.get $3
+     i32.ge_u
+     if
       local.get $2
       local.get $3
-      i32.ge_u
+      i32.eq
       if
-       local.get $2
-       local.get $3
-       i32.eq
-       if
-        f32.const 0
-        local.get $0
-        f32.mul
-        return
-       end
-       local.get $2
-       local.get $3
-       i32.sub
-       local.set $2
+       f32.const 0
+       local.get $0
+       f32.mul
+       return
       end
       local.get $2
-      i32.const 1
-      i32.shl
-      local.set $2
-      local.get $4
-      i32.const 1
+      local.get $3
       i32.sub
-      local.set $4
+      local.set $2
      end
+     local.get $2
+     i32.const 1
+     i32.shl
+     local.set $2
+     local.get $4
+     i32.const 1
+     i32.sub
+     local.set $4
      br $continue|0
     end
    end
@@ -2623,34 +2621,32 @@
     local.get $5
     i64.gt_s
     if
-     block
+     local.get $2
+     local.get $3
+     i64.ge_u
+     if
       local.get $2
       local.get $3
-      i64.ge_u
+      i64.eq
       if
-       local.get $2
-       local.get $3
-       i64.eq
-       if
-        f64.const 0
-        local.get $0
-        f64.mul
-        return
-       end
-       local.get $2
-       local.get $3
-       i64.sub
-       local.set $2
+       f64.const 0
+       local.get $0
+       f64.mul
+       return
       end
       local.get $2
-      i64.const 1
-      i64.shl
-      local.set $2
-      local.get $4
-      i64.const 1
+      local.get $3
       i64.sub
-      local.set $4
+      local.set $2
      end
+     local.get $2
+     i64.const 1
+     i64.shl
+     local.set $2
+     local.get $4
+     i64.const 1
+     i64.sub
+     local.set $4
      br $continue|0
     end
    end

tests/compiler/bool.optimized.wat

@@ -3,15 +3,14 @@
  (type $FUNCSIG$v (func))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00\0e")
- (data (i32.const 24) "b\00o\00o\00l\00.\00t\00s")
- (global $bool/i (mut i32) (i32.const 2))
- (global $bool/I (mut i64) (i64.const 2))
- (global $bool/u (mut i32) (i32.const 2))
- (global $bool/U (mut i64) (i64.const 2))
- (global $bool/f (mut f32) (f32.const 2))
- (global $bool/F (mut f64) (f64.const 2))
- (global $bool/uu (mut i32) (i32.const 2))
+ (data (i32.const 8) "\0e\00\00\00\01\00\00\00\10\00\00\00\0e\00\00\00b\00o\00o\00l\00.\00t\00s")
+ (global $bool/i i32 (i32.const 2))
+ (global $bool/I i64 (i64.const 2))
+ (global $bool/u i32 (i32.const 2))
+ (global $bool/U i64 (i64.const 2))
+ (global $bool/f f32 (f32.const 2))
+ (global $bool/F f64 (f64.const 2))
+ (global $bool/uu i32 (i32.const 2))
  (export "memory" (memory $0))
  (start $start)
  (func $start:bool (; 1 ;) (type $FUNCSIG$v)

tests/compiler/bool.untouched.wat

@@ -3,7 +3,7 @@
  (type $FUNCSIG$v (func))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00\0e\00\00\00\00\00\00\00\00\00\00\00b\00o\00o\00l\00.\00t\00s\00")
+ (data (i32.const 8) "\0e\00\00\00\01\00\00\00\10\00\00\00\0e\00\00\00b\00o\00o\00l\00.\00t\00s\00")
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
  (global $bool/i (mut i32) (i32.const 2))

tests/compiler/builtins.optimized.wat

@@ -4,11 +4,9 @@
  (type $FUNCSIG$v (func))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00\16")
- (data (i32.const 24) "b\00u\00i\00l\00t\00i\00n\00s\00.\00t\00s")
- (data (i32.const 48) "\10")
- (data (i32.const 64) "\10\00\00\00\06")
- (data (i32.const 80) "a\00b\00c")
+ (data (i32.const 8) "\16\00\00\00\01\00\00\00\10\00\00\00\16\00\00\00b\00u\00i\00l\00t\00i\00n\00s\00.\00t\00s")
+ (data (i32.const 52) "\01\00\00\00\10")
+ (data (i32.const 64) "\06\00\00\00\01\00\00\00\10\00\00\00\06\00\00\00a\00b\00c")
  (table $0 2 funcref)
  (elem (i32.const 0) $builtins/test $start:builtins~anonymous|0)
  (global $builtins/b (mut i32) (i32.const 0))
@@ -19,7 +17,7 @@
  (global $builtins/u (mut i32) (i32.const 0))
  (global $builtins/U (mut i64) (i64.const 0))
  (global $builtins/s (mut i32) (i32.const 0))
- (global $builtins/fn (mut i32) (i32.const 1))
+ (global $builtins/fn i32 (i32.const 1))
  (export "memory" (memory $0))
  (export "test" (func $builtins/test))
  (start $start)

tests/compiler/builtins.untouched.wat

@@ -6,9 +6,9 @@
  (type $FUNCSIG$v (func))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00\16\00\00\00\00\00\00\00\00\00\00\00b\00u\00i\00l\00t\00i\00n\00s\00.\00t\00s\00")
- (data (i32.const 48) "\10\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00")
- (data (i32.const 64) "\10\00\00\00\06\00\00\00\00\00\00\00\00\00\00\00a\00b\00c\00")
+ (data (i32.const 8) "\16\00\00\00\01\00\00\00\10\00\00\00\16\00\00\00b\00u\00i\00l\00t\00i\00n\00s\00.\00t\00s\00")
+ (data (i32.const 48) "\00\00\00\00\01\00\00\00\10\00\00\00\00\00\00\00")
+ (data (i32.const 64) "\06\00\00\00\01\00\00\00\10\00\00\00\06\00\00\00a\00b\00c\00")
  (table $0 2 funcref)
  (elem (i32.const 0) $null $start:builtins~anonymous|0)
  (global $builtins/b (mut i32) (i32.const 0))

tests/compiler/call-inferred.optimized.wat

@@ -1,8 +1,7 @@
 (module
  (type $FUNCSIG$v (func))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00 ")
- (data (i32.const 24) "c\00a\00l\00l\00-\00i\00n\00f\00e\00r\00r\00e\00d\00.\00t\00s")
+ (data (i32.const 8) " \00\00\00\01\00\00\00\10\00\00\00 \00\00\00c\00a\00l\00l\00-\00i\00n\00f\00e\00r\00r\00e\00d\00.\00t\00s")
  (export "memory" (memory $0))
  (func $start (; 0 ;) (type $FUNCSIG$v)
   nop

tests/compiler/call-inferred.untouched.wat

@@ -6,7 +6,7 @@
  (type $FUNCSIG$v (func))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00 \00\00\00\00\00\00\00\00\00\00\00c\00a\00l\00l\00-\00i\00n\00f\00e\00r\00r\00e\00d\00.\00t\00s\00")
+ (data (i32.const 8) " \00\00\00\01\00\00\00\10\00\00\00 \00\00\00c\00a\00l\00l\00-\00i\00n\00f\00e\00r\00r\00e\00d\00.\00t\00s\00")
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
  (export "memory" (memory $0))

tests/compiler/do.optimized.wat

@@ -3,8 +3,9 @@
  (type $FUNCSIG$v (func))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00\n")
- (data (i32.const 24) "d\00o\00.\00t\00s")
+ (data (i32.const 8) "\n\00\00\00\01\00\00\00\10\00\00\00\n\00\00\00d\00o\00.\00t\00s\00")
+ (table $0 1 funcref)
+ (elem (i32.const 0) $null)
  (global $do/n (mut i32) (i32.const 10))
  (global $do/m (mut i32) (i32.const 0))
  (global $do/o (mut i32) (i32.const 0))
@@ -12,19 +13,26 @@
  (start $start)
  (func $start:do (; 1 ;) (type $FUNCSIG$v)
   (local $0 i32)
-  loop $continue|0
-   global.get $do/n
-   i32.const 1
-   i32.sub
-   global.set $do/n
-   global.get $do/m
-   i32.const 1
-   i32.add
-   global.set $do/m
-   global.get $do/n
-   br_if $continue|0
+  block $break|0
+   loop $continue|0
+    block
+     global.get $do/n
+     i32.const 1
+     i32.sub
+     global.set $do/n
+     global.get $do/m
+     i32.const 1
+     i32.add
+     global.set $do/m
+    end
+    global.get $do/n
+    br_if $continue|0
+   end
   end
   global.get $do/n
+  i32.const 0
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -35,7 +43,8 @@
   end
   global.get $do/m
   i32.const 10
-  i32.ne
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -46,18 +55,24 @@
   end
   i32.const 10
   global.set $do/n
-  loop $continue|1
-   global.get $do/n
-   local.tee $0
-   i32.const 1
-   i32.sub
-   global.set $do/n
-   local.get $0
-   br_if $continue|1
+  block $break|1
+   loop $continue|1
+    nop
+    block (result i32)
+     global.get $do/n
+     local.tee $0
+     i32.const 1
+     i32.sub
+     global.set $do/n
+     local.get $0
+    end
+    br_if $continue|1
+   end
   end
   global.get $do/n
   i32.const -1
-  i32.ne
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -70,51 +85,66 @@
   global.set $do/n
   i32.const 0
   global.set $do/m
-  loop $continue|2
-   global.get $do/n
-   i32.const 1
-   i32.sub
-   global.set $do/n
-   global.get $do/m
-   i32.const 1
-   i32.add
-   global.set $do/m
-   loop $continue|3
+  block $break|2
+   loop $continue|2
+    block
+     global.get $do/n
+     i32.const 1
+     i32.sub
+     global.set $do/n
+     global.get $do/m
+     i32.const 1
+     i32.add
+     global.set $do/m
+     block $break|3
+      loop $continue|3
+       block
+        global.get $do/n
+        i32.const 1
+        i32.sub
+        global.set $do/n
+        global.get $do/o
+        i32.const 1
+        i32.add
+        global.set $do/o
+       end
+       global.get $do/n
+       br_if $continue|3
+      end
+     end
+     global.get $do/n
+     i32.const 0
+     i32.eq
+     i32.eqz
+     if
+      i32.const 0
+      i32.const 24
+      i32.const 24
+      i32.const 2
+      call $~lib/builtins/abort
+      unreachable
+     end
+     global.get $do/o
+     i32.const 9
+     i32.eq
+     i32.eqz
+     if
+      i32.const 0
+      i32.const 24
+      i32.const 25
+      i32.const 2
+      call $~lib/builtins/abort
+      unreachable
+     end
+    end
     global.get $do/n
-    i32.const 1
-    i32.sub
-    global.set $do/n
-    global.get $do/o
-    i32.const 1
-    i32.add
-    global.set $do/o
-    global.get $do/n
-    br_if $continue|3
+    br_if $continue|2
    end
-   global.get $do/n
-   if
-    i32.const 0
-    i32.const 24
-    i32.const 24
-    i32.const 2
-    call $~lib/builtins/abort
-    unreachable
-   end
-   global.get $do/o
-   i32.const 9
-   i32.ne
-   if
-    i32.const 0
-    i32.const 24
-    i32.const 25
-    i32.const 2
-    call $~lib/builtins/abort
-    unreachable
-   end
-   global.get $do/n
-   br_if $continue|2
   end
   global.get $do/n
+  i32.const 0
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -125,7 +155,8 @@
   end
   global.get $do/m
   i32.const 1
-  i32.ne
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -136,7 +167,8 @@
   end
   global.get $do/o
   i32.const 9
-  i32.ne
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -150,6 +182,5 @@
   call $start:do
  )
  (func $null (; 3 ;) (type $FUNCSIG$v)
-  nop
  )
 )

tests/compiler/do.untouched.wat

@@ -3,7 +3,7 @@
  (type $FUNCSIG$v (func))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00\n\00\00\00\00\00\00\00\00\00\00\00d\00o\00.\00t\00s\00")
+ (data (i32.const 8) "\n\00\00\00\01\00\00\00\10\00\00\00\n\00\00\00d\00o\00.\00t\00s\00")
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
  (global $do/n (mut i32) (i32.const 10))

tests/compiler/empty.json

@@ -1,5 +1,5 @@
 {
   "asc_flags": [
-    "--runtime none"
+    "--runtime half"
   ]
 }

tests/compiler/rc/global-init.json

@@ -0,0 +1,6 @@
+{
+  "asc_flags": [
+    "--runtime half",
+    "--use ASC_RTRACE=1"
+  ]
+}

tests/compiler/rc/global-init.ts

@@ -0,0 +1,14 @@
+function getRef(): string {
+  return "";
+}
+
+// Assignment of a return value picks up its delayed release state and skips
+// one set of retain/release.
+
+var a: string = getRef();
+var b = getRef(); // same, but inferred
+
+// Unleak
+
+a = /* __retainRelease( */ changetype<string>(0) /* , a) */;
+b = /* __retainRelease( */ changetype<string>(0) /* , a) */;

tests/compiler/rc/local-init.json

@@ -0,0 +1,6 @@
+{
+  "asc_flags": [
+    "--runtime half",
+    "--use ASC_RTRACE=1"
+  ]
+}

tests/compiler/rc/local-init.ts

@@ -0,0 +1,26 @@
+{
+  // Normal assignment will retain and release.
+
+  let a = /* __retain( */ "" /* ) */;
+  // __release(a)
+}
+
+function getRef(): string {
+  return /* __retain( */ "" /* ) */;
+}
+
+{
+  // Assignment of a return value picks up its skipped autorelease
+
+  let b = getRef();
+  // __release(b);
+}
+
+class Ref {}
+
+{
+  // Assignment of an instantiation picks up its skipped autorelease
+
+  let c = new Ref();
+  // __release(c);
+}

tests/compiler/rc/logical-and-mismatch.json

@@ -0,0 +1,6 @@
+{
+  "asc_flags": [
+    "--runtime half",
+    "--use ASC_RTRACE=1"
+  ]
+}

tests/compiler/rc/logical-and-mismatch.ts

@@ -0,0 +1,29 @@
+class Ref {}
+
+function getRef(): Ref {
+  return new Ref();
+}
+
+var gloRef = new Ref();
+
+{
+  // Left skips autorelease, right doesn't
+  let a = /* t = */ getRef() && /* __release(t), */ gloRef;
+  // __release(a)
+}
+{
+  // Right skips autorelease, left doesn't
+  let b = gloRef && getRef();
+}
+{
+  // Both skip autorelease, for completeness
+  let c = getRef() && getRef();
+}
+{
+  // Both don't
+  let d = gloRef && gloRef;
+}
+
+// Unleak
+
+__release(changetype<usize>(gloRef));

tests/compiler/rc/logical-or-mismatch.json

@@ -0,0 +1,6 @@
+{
+  "asc_flags": [
+    "--runtime half",
+    "--use ASC_RTRACE=1"
+  ]
+}

tests/compiler/rc/logical-or-mismatch.ts

@@ -0,0 +1,29 @@
+class Ref {}
+
+function getRef(): Ref {
+  return new Ref();
+}
+
+var gloRef = new Ref();
+
+{
+  // Left skips autorelease, right doesn't
+  let a = /* t = */ getRef() || /* __release(t), */ gloRef;
+  // __release(a)
+}
+{
+  // Right skips autorelease, left doesn't
+  let b = gloRef || getRef();
+}
+{
+  // Both skip autorelease, for completeness
+  let c = getRef() || getRef();
+}
+{
+  // Both don't
+  let d = gloRef || gloRef;
+}
+
+// Unleak
+
+__release(changetype<usize>(gloRef));

tests/compiler/rc/rereturn.ts

@@ -0,0 +1,13 @@
+// Validates that skipped autorelease state is preserved accross calls and returns.
+
+class Ref {}
+
+function getRef(): Ref {
+  return new Ref();
+}
+
+function rereturnRef(): Ref {
+  return getRef();
+}
+
+/* __release( */ rereturnRef() /* ) */;

tests/compiler/rc/ternary-mismatch.json

@@ -0,0 +1,6 @@
+{
+  "asc_flags": [
+    "--runtime half",
+    "--use ASC_RTRACE=1"
+  ]
+}

tests/compiler/rc/ternary-mismatch.ts

@@ -0,0 +1,30 @@
+// Validates that an autorelease mismatch in the arms of a ternary expression
+// is correctly resolved by lifting the respective other.
+
+class Ref {}
+
+function getRef(): Ref {
+  return new Ref();
+}
+
+var gloRef = new Ref();
+
+export function test1(b: bool): Ref | null {
+  // ifThen skips autorelease, ifElse doesn't
+  return b ? getRef() : /* __retain( */ gloRef /* ) */;
+}
+
+/* __release( */ test1(true) /* ) */;
+/* __release( */ test1(false) /* ) */;
+
+export function test2(b: bool): Ref | null {
+  // ifElse skips autorelease, ifThen doesn't
+  return b ? /* __retain( */ gloRef /* ) */ : getRef();
+}
+
+/* __release( */ test2(true) /* ) */;
+/* __release( */ test2(false) /* ) */;
+
+// Unleak
+
+__release(changetype<usize>(gloRef));

tests/compiler/retain-release-sanity.json

@@ -0,0 +1,6 @@
+{
+  "asc_flags": [
+    "--runtime half",
+    "--use ASC_RTRACE=1"
+  ]
+}

tests/compiler/retain-release-sanity.ts

@@ -0,0 +1,21 @@
+@start export function main(): void {}
+{
+  let arr: i32[] = new Array<i32>(3);
+  arr.push(123);
+  arr.push(123);
+  arr.pop();
+}
+{
+  for (let i = 0; i < 10; ++i) {
+    let arr = new Array<string>();
+    for (let j = 0; j < 10; ++j) {
+      arr.push("");
+    }
+  }
+}
+{
+  let a = "a";
+  let c = a + "b";
+  c + "d";
+}
+__collect();

tests/compiler/retain-release.optimized.wat

@@ -1,101 +1,535 @@
 (module
- (type $FUNCSIG$i (func (result i32)))
  (type $FUNCSIG$ii (func (param i32) (result i32)))
  (type $FUNCSIG$v (func))
+ (type $FUNCSIG$i (func (result i32)))
  (type $FUNCSIG$vi (func (param i32)))
  (type $FUNCSIG$viiii (func (param i32 i32 i32 i32)))
+ (type $FUNCSIG$iii (func (param i32 i32) (result i32)))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\"\00\00\00\01\00\00\00\10\00\00\00\"\00\00\00r\00e\00t\00a\00i\00n\00-\00r\00e\00l\00e\00a\00s\00e\00.\00t\00s")
+ (data (i32.const 8) "\n\00\00\00\01\00\00\00\10\00\00\00\n\00\00\00e\00r\00r\00o\00r\00")
+ (data (i32.const 40) "\"\00\00\00\01\00\00\00\10\00\00\00\"\00\00\00r\00e\00t\00a\00i\00n\00-\00r\00e\00l\00e\00a\00s\00e\00.\00t\00s\00")
  (table $0 1 funcref)
- (elem (i32.const 0) $retain-release/receiveRef)
+ (elem (i32.const 0) $null)
+ (global $retain-release/REF (mut i32) (i32.const 0))
  (global $retain-release/glo (mut i32) (i32.const 0))
- (global $~lib/rt/index-stub/startOffset (mut i32) (i32.const 0))
- (global $~lib/rt/index-stub/offset (mut i32) (i32.const 0))
+ (global $retain-release/TARGET (mut i32) (i32.const 0))
  (global $~lib/argc (mut i32) (i32.const 0))
+ (global $~lib/rt/stub/startOffset (mut i32) (i32.const 0))
+ (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
+ (global $~lib/builtins/HEAP_BASE i32 (i32.const 92))
  (export "memory" (memory $0))
  (export "returnRef" (func $retain-release/returnRef))
  (export "receiveRef" (func $retain-release/receiveRef))
- (export "receiveRefDrop" (func $retain-release/receiveRef))
- (export "receiveRefRetain" (func $retain-release/receiveRef))
+ (export "receiveRefDrop" (func $retain-release/receiveRefDrop))
+ (export "receiveRefRetain" (func $retain-release/receiveRefRetain))
  (export "takeRef" (func $retain-release/takeRef))
- (export "provideRef" (func $retain-release/receiveRef))
+ (export "provideRef" (func $retain-release/provideRef))
  (export "takeReturnRef" (func $retain-release/takeReturnRef))
- (export "provideReceiveRef" (func $retain-release/receiveRef))
+ (export "provideReceiveRef" (func $retain-release/provideReceiveRef))
  (export "newRef" (func $retain-release/newRef))
  (export "assignGlobal" (func $retain-release/assignGlobal))
  (export "assignField" (func $retain-release/assignField))
- (export "scopeBlock" (func $retain-release/receiveRef))
- (export "scopeBlockToUninitialized" (func $retain-release/receiveRef))
- (export "scopeBlockToInitialized" (func $retain-release/receiveRef))
- (export "scopeBlockToConditional" (func $retain-release/takeRef))
- (export "scopeTopLevelUninitialized" (func $retain-release/receiveRef))
- (export "scopeTopLevelInitialized" (func $retain-release/receiveRef))
- (export "scopeTopLevelConditional" (func $retain-release/takeRef))
- (export "scopeIf" (func $retain-release/takeRef))
- (export "scopeIfElse" (func $retain-release/takeRef))
- (export "scopeWhile" (func $retain-release/takeRef))
- (export "scopeDo" (func $retain-release/takeRef))
- (export "scopeFor" (func $retain-release/takeRef))
- (export "scopeBreak" (func $retain-release/takeRef))
- (export "scopeContinue" (func $retain-release/takeRef))
+ (export "scopeBlock" (func $retain-release/scopeBlock))
+ (export "scopeBlockToUninitialized" (func $retain-release/scopeBlockToUninitialized))
+ (export "scopeBlockToInitialized" (func $retain-release/scopeBlockToInitialized))
+ (export "scopeBlockToConditional" (func $retain-release/scopeBlockToConditional))
+ (export "scopeTopLevelUninitialized" (func $retain-release/scopeTopLevelUninitialized))
+ (export "scopeTopLevelInitialized" (func $retain-release/scopeTopLevelInitialized))
+ (export "scopeTopLevelConditional" (func $retain-release/scopeTopLevelConditional))
+ (export "scopeIf" (func $retain-release/scopeIf))
+ (export "scopeIfElse" (func $retain-release/scopeIfElse))
+ (export "scopeWhile" (func $retain-release/scopeWhile))
+ (export "scopeDo" (func $retain-release/scopeDo))
+ (export "scopeFor" (func $retain-release/scopeFor))
+ (export "scopeBreak" (func $retain-release/scopeBreak))
+ (export "scopeContinue" (func $retain-release/scopeContinue))
  (export "scopeThrow" (func $retain-release/scopeThrow))
  (export "scopeUnreachable" (func $retain-release/scopeUnreachable))
- (export "callInline" (func $retain-release/receiveRef))
- (export "provideRefInline" (func $retain-release/receiveRef))
- (export "receiveRefInline" (func $retain-release/receiveRef))
- (export "receiveRefInlineDrop" (func $retain-release/receiveRef))
+ (export "callInline" (func $retain-release/callInline))
+ (export "provideRefInline" (func $retain-release/provideRefInline))
+ (export "receiveRefInline" (func $retain-release/receiveRefInline))
+ (export "receiveRefInlineDrop" (func $retain-release/receiveRefInlineDrop))
  (export "provideRefIndirect" (func $retain-release/provideRefIndirect))
  (export "receiveRefIndirect" (func $retain-release/receiveRefIndirect))
- (export "receiveRefIndirectDrop" (func $retain-release/receiveRefIndirect))
+ (export "receiveRefIndirectDrop" (func $retain-release/receiveRefIndirectDrop))
  (start $start)
- (func $retain-release/returnRef (; 1 ;) (type $FUNCSIG$i) (result i32)
-  i32.const 0
- )
- (func $retain-release/receiveRef (; 2 ;) (type $FUNCSIG$v)
-  nop
- )
- (func $retain-release/takeRef (; 3 ;) (type $FUNCSIG$vi) (param $0 i32)
-  nop
- )
- (func $retain-release/takeReturnRef (; 4 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $retain-release/Ref#constructor (; 1 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  local.get $0
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 17
+   call $~lib/rt/stub/__alloc
+   call $~lib/rt/stub/__retain
+   local.set $0
+  end
   local.get $0
  )
- (func $~lib/rt/index-stub/__alloc (; 5 ;) (type $FUNCSIG$i) (result i32)
+ (func $retain-release/Target#constructor (; 2 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  local.get $0
+  i32.eqz
+  if
+   i32.const 4
+   i32.const 18
+   call $~lib/rt/stub/__alloc
+   call $~lib/rt/stub/__retain
+   local.set $0
+  end
+  local.get $0
+  i32.const 0
+  i32.store
+  local.get $0
+ )
+ (func $start:retain-release (; 3 ;) (type $FUNCSIG$v)
+  i32.const 0
+  call $retain-release/Ref#constructor
+  global.set $retain-release/REF
+  i32.const 0
+  call $retain-release/Target#constructor
+  global.set $retain-release/TARGET
+ )
+ (func $retain-release/returnRef (; 4 ;) (type $FUNCSIG$i) (result i32)
+  global.get $retain-release/REF
+  call $~lib/rt/stub/__retain
+ )
+ (func $retain-release/receiveRef (; 5 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  call $retain-release/returnRef
+  local.tee $0
+  i32.eqz
+  drop
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/receiveRefDrop (; 6 ;) (type $FUNCSIG$v)
+  call $retain-release/returnRef
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/receiveRefRetain (; 7 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  call $retain-release/returnRef
+  local.set $0
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/takeRef (; 8 ;) (type $FUNCSIG$vi) (param $0 i32)
+  local.get $0
+  call $~lib/rt/stub/__retain
+  drop
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/provideRef (; 9 ;) (type $FUNCSIG$v)
+  global.get $retain-release/REF
+  call $retain-release/takeRef
+ )
+ (func $retain-release/takeReturnRef (; 10 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  local.get $0
+  call $~lib/rt/stub/__retain
+  drop
+  local.get $0
+ )
+ (func $retain-release/provideReceiveRef (; 11 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  global.get $retain-release/REF
+  call $retain-release/takeReturnRef
+  local.tee $0
+  i32.eqz
+  drop
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/newRef (; 12 ;) (type $FUNCSIG$v)
+  i32.const 0
+  call $retain-release/Ref#constructor
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/assignGlobal (; 13 ;) (type $FUNCSIG$v)
+  global.get $retain-release/REF
+  global.get $retain-release/glo
+  call $~lib/rt/stub/__retainRelease
+  global.set $retain-release/glo
+ )
+ (func $retain-release/assignField (; 14 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  global.get $retain-release/TARGET
+  local.tee $0
+  global.get $retain-release/REF
+  local.get $0
+  i32.load
+  call $~lib/rt/stub/__retainRelease
+  i32.store
+ )
+ (func $retain-release/scopeBlock (; 15 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  global.get $retain-release/REF
+  call $~lib/rt/stub/__retain
+  local.set $0
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/scopeBlockToUninitialized (; 16 ;) (type $FUNCSIG$v)
   (local $0 i32)
   (local $1 i32)
+  i32.const 0
+  local.set $0
+  global.get $retain-release/REF
+  call $~lib/rt/stub/__retain
+  local.set $1
+  local.get $1
+  local.get $0
+  call $~lib/rt/stub/__retainRelease
+  local.set $0
+  local.get $1
+  call $~lib/rt/stub/__release
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/scopeBlockToInitialized (; 17 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  (local $1 i32)
+  global.get $retain-release/REF
+  call $~lib/rt/stub/__retain
+  local.set $0
+  global.get $retain-release/REF
+  call $~lib/rt/stub/__retain
+  local.set $1
+  local.get $1
+  local.get $0
+  call $~lib/rt/stub/__retainRelease
+  local.set $0
+  local.get $1
+  call $~lib/rt/stub/__release
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/scopeBlockToConditional (; 18 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  (local $2 i32)
+  i32.const 0
+  local.set $1
+  local.get $0
+  if
+   global.get $retain-release/REF
+   local.get $1
+   call $~lib/rt/stub/__retainRelease
+   local.set $1
+  end
+  global.get $retain-release/REF
+  call $~lib/rt/stub/__retain
+  local.set $2
+  local.get $2
+  local.get $1
+  call $~lib/rt/stub/__retainRelease
+  local.set $1
+  local.get $2
+  call $~lib/rt/stub/__release
+  local.get $1
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/scopeTopLevelUninitialized (; 19 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  i32.const 0
+  local.set $0
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/scopeTopLevelInitialized (; 20 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  global.get $retain-release/REF
+  call $~lib/rt/stub/__retain
+  local.set $0
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/scopeTopLevelConditional (; 21 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  i32.const 0
+  local.set $1
+  local.get $0
+  if
+   global.get $retain-release/REF
+   local.get $1
+   call $~lib/rt/stub/__retainRelease
+   local.set $1
+  end
+  local.get $1
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/scopeIf (; 22 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  local.get $0
+  if
+   global.get $retain-release/REF
+   call $~lib/rt/stub/__retain
+   local.set $1
+   local.get $1
+   call $~lib/rt/stub/__release
+  end
+ )
+ (func $retain-release/scopeIfElse (; 23 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  local.get $0
+  if
+   global.get $retain-release/REF
+   call $~lib/rt/stub/__retain
+   local.set $1
+   local.get $1
+   call $~lib/rt/stub/__release
+  else   
+   global.get $retain-release/REF
+   call $~lib/rt/stub/__retain
+   local.set $1
+   local.get $1
+   call $~lib/rt/stub/__release
+  end
+ )
+ (func $retain-release/scopeWhile (; 24 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  loop $continue|0
+   local.get $0
+   if
+    global.get $retain-release/REF
+    call $~lib/rt/stub/__retain
+    local.set $1
+    local.get $1
+    call $~lib/rt/stub/__release
+    br $continue|0
+   end
+  end
+ )
+ (func $retain-release/scopeDo (; 25 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  loop $continue|0
+   block
+    global.get $retain-release/REF
+    call $~lib/rt/stub/__retain
+    local.set $1
+    local.get $1
+    call $~lib/rt/stub/__release
+   end
+   local.get $0
+   br_if $continue|0
+  end
+ )
+ (func $retain-release/scopeFor (; 26 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  block $break|0
+   loop $repeat|0
+    local.get $0
+    i32.eqz
+    br_if $break|0
+    global.get $retain-release/REF
+    call $~lib/rt/stub/__retain
+    local.set $1
+    local.get $1
+    call $~lib/rt/stub/__release
+    br $repeat|0
+    unreachable
+   end
+   unreachable
+  end
+ )
+ (func $retain-release/scopeBreak (; 27 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  block $break|0
+   loop $continue|0
+    local.get $0
+    if
+     global.get $retain-release/REF
+     call $~lib/rt/stub/__retain
+     local.set $1
+     local.get $1
+     call $~lib/rt/stub/__release
+     br $break|0
+    end
+   end
+  end
+ )
+ (func $retain-release/scopeContinue (; 28 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  loop $continue|0
+   local.get $0
+   if
+    global.get $retain-release/REF
+    call $~lib/rt/stub/__retain
+    local.set $1
+    local.get $1
+    call $~lib/rt/stub/__release
+    br $continue|0
+   end
+  end
+ )
+ (func $retain-release/scopeThrow (; 29 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  loop $continue|0
+   local.get $0
+   if
+    global.get $retain-release/REF
+    call $~lib/rt/stub/__retain
+    local.set $1
+    local.get $1
+    call $~lib/rt/stub/__release
+    block
+     i32.const 24
+     i32.const 56
+     i32.const 310
+     i32.const 4
+     call $~lib/builtins/abort
+     unreachable
+     unreachable
+    end
+    unreachable
+   end
+  end
+ )
+ (func $retain-release/scopeUnreachable (; 30 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  loop $continue|0
+   local.get $0
+   if
+    global.get $retain-release/REF
+    call $~lib/rt/stub/__retain
+    local.set $1
+    unreachable
+    local.get $1
+    call $~lib/rt/stub/__release
+    br $continue|0
+   end
+  end
+ )
+ (func $retain-release/callInline (; 31 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  global.get $retain-release/REF
+  call $~lib/rt/stub/__retain
+  local.set $0
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/provideRefInline (; 32 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  global.get $retain-release/REF
+  call $~lib/rt/stub/__retain
+  local.set $0
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/receiveRefInline (; 33 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  block $retain-release/returnRefInline|inlined.0 (result i32)
+   global.get $retain-release/REF
+   call $~lib/rt/stub/__retain
+  end
+  local.tee $0
+  i32.eqz
+  drop
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/receiveRefInlineDrop (; 34 ;) (type $FUNCSIG$v)
+  block $retain-release/returnRefInline|inlined.1 (result i32)
+   global.get $retain-release/REF
+   call $~lib/rt/stub/__retain
+  end
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/provideRefIndirect (; 35 ;) (type $FUNCSIG$vi) (param $0 i32)
+  i32.const 1
+  global.set $~lib/argc
+  global.get $retain-release/REF
+  local.get $0
+  call_indirect (type $FUNCSIG$vi)
+ )
+ (func $retain-release/receiveRefIndirect (; 36 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  block (result i32)
+   i32.const 0
+   global.set $~lib/argc
+   local.get $0
+   call_indirect (type $FUNCSIG$i)
+   local.tee $1
+  end
+  i32.eqz
+  drop
+  local.get $1
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/receiveRefIndirectDrop (; 37 ;) (type $FUNCSIG$vi) (param $0 i32)
+  i32.const 0
+  global.set $~lib/argc
+  local.get $0
+  call_indirect (type $FUNCSIG$i)
+  call $~lib/rt/stub/__release
+ )
+ (func $start (; 38 ;) (type $FUNCSIG$v)
+  call $start:retain-release
+ )
+ (func $~lib/rt/stub/__alloc (; 39 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
-  global.get $~lib/rt/index-stub/offset
+  (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  (local $8 i32)
+  local.get $0
+  i32.const 1073741808
+  i32.gt_u
+  if
+   unreachable
+  end
+  global.get $~lib/rt/stub/offset
   i32.const 16
   i32.add
-  local.tee $1
-  i32.const 16
+  local.set $2
+  local.get $2
+  local.get $0
+  local.tee $3
+  i32.const 1
+  local.tee $4
+  local.get $3
+  local.get $4
+  i32.gt_u
+  select
   i32.add
-  i32.const -16
+  i32.const 15
+  i32.add
+  i32.const 15
+  i32.const -1
+  i32.xor
   i32.and
-  local.tee $0
+  local.set $5
   current_memory
-  local.tee $2
+  local.set $6
+  local.get $5
+  local.get $6
   i32.const 16
   i32.shl
   i32.gt_u
   if
+   local.get $5
    local.get $2
-   local.get $0
-   local.get $1
    i32.sub
    i32.const 65535
    i32.add
-   i32.const -65536
+   i32.const 65535
+   i32.const -1
+   i32.xor
    i32.and
    i32.const 16
    i32.shr_u
-   local.tee $3
-   local.get $2
+   local.set $3
+   local.get $6
+   local.tee $4
    local.get $3
+   local.tee $7
+   local.get $4
+   local.get $7
    i32.gt_s
    select
+   local.set $4
+   local.get $4
    grow_memory
    i32.const 0
    i32.lt_s
@@ -109,70 +543,29 @@
     end
    end
   end
-  local.get $0
-  global.set $~lib/rt/index-stub/offset
-  local.get $1
+  local.get $5
+  global.set $~lib/rt/stub/offset
+  local.get $2
   i32.const 16
   i32.sub
-  local.tee $0
-  i32.const 17
-  i32.store offset=8
-  local.get $0
-  i32.const 0
-  i32.store offset=12
+  local.set $8
+  local.get $8
   local.get $1
- )
- (func $retain-release/newRef (; 6 ;) (type $FUNCSIG$v)
-  call $~lib/rt/index-stub/__alloc
-  drop
- )
- (func $retain-release/assignGlobal (; 7 ;) (type $FUNCSIG$v)
-  i32.const 0
-  global.set $retain-release/glo
- )
- (func $retain-release/assignField (; 8 ;) (type $FUNCSIG$v)
-  i32.const 0
-  i32.load
-  drop
-  i32.const 0
-  i32.const 0
-  i32.store
- )
- (func $retain-release/scopeThrow (; 9 ;) (type $FUNCSIG$vi) (param $0 i32)
+  i32.store offset=8
+  local.get $8
   local.get $0
-  if
-   i32.const 0
-   i32.const 24
-   i32.const 306
-   i32.const 4
-   call $~lib/builtins/abort
-   unreachable
-  end
+  i32.store offset=12
+  local.get $2
  )
- (func $retain-release/scopeUnreachable (; 10 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/stub/__retain (; 40 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  if
-   unreachable
-  end
  )
- (func $retain-release/provideRefIndirect (; 11 ;) (type $FUNCSIG$vi) (param $0 i32)
-  i32.const 1
-  global.set $~lib/argc
-  i32.const 0
+ (func $~lib/rt/stub/__retainRelease (; 41 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
-  call_indirect (type $FUNCSIG$vi)
  )
- (func $retain-release/receiveRefIndirect (; 12 ;) (type $FUNCSIG$vi) (param $0 i32)
-  i32.const 0
-  global.set $~lib/argc
-  local.get $0
-  call_indirect (type $FUNCSIG$i)
-  drop
+ (func $~lib/rt/stub/__release (; 42 ;) (type $FUNCSIG$vi) (param $0 i32)
+  nop
  )
- (func $start (; 13 ;) (type $FUNCSIG$v)
-  i32.const 64
-  global.set $~lib/rt/index-stub/startOffset
-  global.get $~lib/rt/index-stub/startOffset
-  global.set $~lib/rt/index-stub/offset
+ (func $null (; 43 ;) (type $FUNCSIG$v)
  )
 )

tests/compiler/retain-release.ts

@@ -1,5 +1,10 @@
 class Ref {}
 
+// FIXME: Comments are outdated due to various optimizations the compiler performs now.
+// Instead, the tests that make sense should be moved to rc/XY
+
+var REF = new Ref();
+
 export function returnRef(): Ref {
 
   // Returning a reference must retain it because it could otherwise drop to
@@ -7,7 +12,7 @@ export function returnRef(): Ref {
   // with RC=1 when this local becomes released at the end of the function. See
   // scope tests below.
 
-  return /* __retain( */ changetype<Ref>(0) /* ) */;
+  return /* __retain( */ REF /* ) */;
 }
 
 export function receiveRef(): void {
@@ -64,7 +69,7 @@ export function provideRef(): void {
   // for different reasons. It is likely that there are smart optimizations of
   // this case.
 
-  takeRef(changetype<Ref>(0));
+  takeRef(REF);
 }
 
 export function takeReturnRef(ref: Ref): Ref {
@@ -85,7 +90,7 @@ export function provideReceiveRef(): void {
   // Combined case of providing and receiving a reference, with no additional
   // logic compared to the base cases above.
 
-  !/* TEMP = */ takeReturnRef(changetype<Ref>(0));
+  !/* TEMP = */ takeReturnRef(REF);
   // __release(TEMP)
 }
 
@@ -107,17 +112,19 @@ export function assignGlobal(): void {
   // Assigning a reference to a global first retains it before releasing the
   // previously stored reference.
 
-  glo = /* __retainRelease( */ changetype<Ref>(0) /* , glo) */;
+  glo = /* __retainRelease( */ REF /* , glo) */;
 }
 
 class Target { fld: Ref; }
 
+var TARGET = new Target();
+
 export function assignField(): void {
 
   // Similar to the assignGlobal case, assigning a reference to a field first
   // retains it before releasing the previously stored reference.
 
-  changetype<Target>(0).fld = /* __retainRelease( */ changetype<Ref>(0) /* , fld) */;
+  TARGET.fld = /* __retainRelease( */ REF /* , fld) */;
 }
 
 export function scopeBlock(): void {
@@ -128,7 +135,7 @@ export function scopeBlock(): void {
   // releasing it even if the original reference is still in use.
 
   {
-    let $0 = /* __retain( */changetype<Ref>(0) /* } */;
+    let $0 = /* __retain( */ REF /* } */;
     // __release($0)
   }
 }
@@ -142,7 +149,7 @@ export function scopeBlockToUninitialized(): void {
 
   var $0: Ref; // uninitialized, so no AUTORELEASE yet
   {
-    let $1 = /* __retain( */ changetype<Ref>(0) /* } */;
+    let $1 = /* __retain( */ REF /* } */;
     $0 = /* __retain( */ $1 /* ) */;
     // __release($1)
   }
@@ -156,9 +163,9 @@ export function scopeBlockToInitialized(): void {
   // same reason of not prematurely dropping to RC=0 even though the original
   // reference is still in use.
 
-  var $0: Ref = /* __retain( */ changetype<Ref>(0) /* ) */;
+  var $0: Ref = /* __retain( */ REF /* ) */;
   {
-    let $1 = /* __retain( */ changetype<Ref>(0) /* } */;
+    let $1 = /* __retain( */ REF /* } */;
     $0 = /* __retainRelease( */ $1 /* , $0) */;
     // __release($1)
   }
@@ -173,10 +180,10 @@ export function scopeBlockToConditional(cond: bool): void {
 
   var $0: Ref;
   if (cond) {
-    $0 = /* __retain( */ changetype<Ref>(0) /* ) */; // now AUTORELEASE
+    $0 = /* __retain( */ REF /* ) */; // now AUTORELEASE
   }
   {
-    let $1 = /* __retain( */ changetype<Ref>(0) /* } */;
+    let $1 = /* __retain( */ REF /* } */;
     $0 = /* __retainRelease( */ $1 /* , $0) */;
     // __release($1)
   }
@@ -200,7 +207,7 @@ export function scopeTopLevelInitialized(): void {
   // which I'd prefer because it hints the user at a portion of code that might
   // contain other errors.
 
-  var $0: Ref = /* __retain( */ changetype<Ref>(0) /* ) */;
+  var $0: Ref = /* __retain( */ REF /* ) */;
   // __release($0)
 }
 
@@ -213,7 +220,7 @@ export function scopeTopLevelConditional(cond: bool): void {
 
   var $0: Ref;
   if (cond) {
-    $0 = /* __retain( */ changetype<Ref>(0) /* ) */; // now AUTORELEASE
+    $0 = /* __retain( */ REF /* ) */; // now AUTORELEASE
   }
   // __release($0)
 }
@@ -223,7 +230,7 @@ export function scopeIf(cond: bool): void {
   // Validates that `if` scopes behave like blocks.
 
   if (cond) {
-    let $0: Ref = /* __retain( */ changetype<Ref>(0) /* ) */;
+    let $0: Ref = /* __retain( */ REF /* ) */;
     // __release($0)
   }
 }
@@ -233,10 +240,10 @@ export function scopeIfElse(cond: bool): void {
   // Validates that `else` scopes behave like blocks.
 
   if (cond) {
-    let $0: Ref = /* __retain( */ changetype<Ref>(0) /* ) */;
+    let $0: Ref = /* __retain( */ REF /* ) */;
     // __release($0)
   } else {
-    let $0: Ref = /* __retain( */ changetype<Ref>(0) /* ) */;
+    let $0: Ref = /* __retain( */ REF /* ) */;
     // __release($0)
   }
 }
@@ -246,7 +253,7 @@ export function scopeWhile(cond: bool): void {
   // Validates that `while` scopes behave like blocks.
 
   while (cond) {
-    let $0: Ref = /* __retain( */ changetype<Ref>(0) /* ) */;
+    let $0: Ref = /* __retain( */ REF /* ) */;
     // __release($0)
   }
 }
@@ -256,7 +263,7 @@ export function scopeDo(cond: bool): void {
   // Validates that `do` scopes behave like blocks.
 
   do {
-    let $0: Ref = /* __retain( */ changetype<Ref>(0) /* ) */;
+    let $0: Ref = /* __retain( */ REF /* ) */;
     // __release($0)
   } while (cond);
 }
@@ -266,7 +273,7 @@ export function scopeFor(cond: bool): void {
   // Validates that `for` scopes behave like blocks.
 
   for (; cond; ) {
-    let $0: Ref = /* __retain( */ changetype<Ref>(0) /* ) */;
+    let $0: Ref = /* __retain( */ REF /* ) */;
     // __release($0)
   }
 }
@@ -277,7 +284,7 @@ export function scopeBreak(cond: bool): void {
   // releases are performed afterwards.
 
   while (cond) {
-    let $0: Ref = /* __retain( */ changetype<Ref>(0) /* ) */;
+    let $0: Ref = /* __retain( */ REF /* ) */;
     // __release($0)
     break;
   }
@@ -289,7 +296,7 @@ export function scopeContinue(cond: bool): void {
   // releases are performed afterwards.
 
   while (cond) {
-    let $0: Ref = /* __retain( */ changetype<Ref>(0) /* ) */;
+    let $0: Ref = /* __retain( */ REF /* ) */;
     // __release($0)
     continue;
   }
@@ -301,7 +308,7 @@ export function scopeThrow(cond: bool): void {
   // releases are performed afterwards.
 
   while (cond) {
-    let $0: Ref = /* __retain( */ changetype<Ref>(0) /* ) */;
+    let $0: Ref = /* __retain( */ REF /* ) */;
     // __release($0)
     throw new Error("error");
   }
@@ -315,7 +322,7 @@ export function scopeUnreachable(cond: bool): void {
   // instruction (i.e. after the program has crashed).
 
   while (cond) {
-    let $0: Ref = /* __retain( */ changetype<Ref>(0) /* ) */;
+    let $0: Ref = /* __retain( */ REF /* ) */;
     // __release($0)
     unreachable();
   }
@@ -327,7 +334,7 @@ function scopeInline(): void {
 
   // Inlined function bodies should behave like normal scopes.
 
-  var $0 = /* __retain( */ changetype<Ref>(0) /* ) */;
+  var $0 = /* __retain( */ REF /* ) */;
   // __release($0)
 }
 
@@ -353,7 +360,7 @@ export function provideRefInline(): void {
   // The provideRef case but inline. Should do nothing to the arguments while
   // hosting the inlined retain and release.
 
-  takeRefInline(changetype<Ref>(0));
+  takeRefInline(REF);
 }
 
 // @ts-ignore: decorator
@@ -362,7 +369,7 @@ function returnRefInline(): Ref {
 
   // The returnRef case but inline.
 
-  return /* __retain( */ changetype<Ref>(0) /* ) */;
+  return /* __retain( */ REF /* ) */;
 }
 
 export function receiveRefInline(): void {
@@ -389,7 +396,7 @@ export function provideRefIndirect(fn: (ref: Ref) => void): void {
   // An indirect call should behave just like a direct call, that is not insert
   // anything when providing a reference.
 
-  fn(changetype<Ref>(0));
+  fn(REF);
 }
 
 export function receiveRefIndirect(fn: () => Ref): void {

tests/compiler/retain-release.untouched.wat

@@ -1,20 +1,23 @@
 (module
- (type $FUNCSIG$i (func (result i32)))
  (type $FUNCSIG$ii (func (param i32) (result i32)))
  (type $FUNCSIG$v (func))
+ (type $FUNCSIG$i (func (result i32)))
  (type $FUNCSIG$vi (func (param i32)))
- (type $FUNCSIG$iii (func (param i32 i32) (result i32)))
  (type $FUNCSIG$viiii (func (param i32 i32 i32 i32)))
+ (type $FUNCSIG$iii (func (param i32 i32) (result i32)))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\"\00\00\00\01\00\00\00\10\00\00\00\"\00\00\00r\00e\00t\00a\00i\00n\00-\00r\00e\00l\00e\00a\00s\00e\00.\00t\00s\00")
+ (data (i32.const 8) "\n\00\00\00\01\00\00\00\10\00\00\00\n\00\00\00e\00r\00r\00o\00r\00")
+ (data (i32.const 40) "\"\00\00\00\01\00\00\00\10\00\00\00\"\00\00\00r\00e\00t\00a\00i\00n\00-\00r\00e\00l\00e\00a\00s\00e\00.\00t\00s\00")
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
+ (global $retain-release/REF (mut i32) (i32.const 0))
  (global $retain-release/glo (mut i32) (i32.const 0))
- (global $~lib/rt/index-stub/startOffset (mut i32) (i32.const 0))
- (global $~lib/rt/index-stub/offset (mut i32) (i32.const 0))
+ (global $retain-release/TARGET (mut i32) (i32.const 0))
  (global $~lib/argc (mut i32) (i32.const 0))
- (global $~lib/builtins/HEAP_BASE i32 (i32.const 60))
+ (global $~lib/rt/stub/startOffset (mut i32) (i32.const 0))
+ (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
+ (global $~lib/builtins/HEAP_BASE i32 (i32.const 92))
  (export "memory" (memory $0))
  (export "returnRef" (func $retain-release/returnRef))
  (export "receiveRef" (func $retain-release/receiveRef))
@@ -51,69 +54,418 @@
  (export "receiveRefIndirect" (func $retain-release/receiveRefIndirect))
  (export "receiveRefIndirectDrop" (func $retain-release/receiveRefIndirectDrop))
  (start $start)
- (func $~lib/rt/index-stub/__retain (; 1 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $retain-release/Ref#constructor (; 1 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  local.get $0
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 17
+   call $~lib/rt/stub/__alloc
+   call $~lib/rt/stub/__retain
+   local.set $0
+  end
   local.get $0
  )
- (func $retain-release/returnRef (; 2 ;) (type $FUNCSIG$i) (result i32)
+ (func $retain-release/Target#constructor (; 2 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  local.get $0
+  i32.eqz
+  if
+   i32.const 4
+   i32.const 18
+   call $~lib/rt/stub/__alloc
+   call $~lib/rt/stub/__retain
+   local.set $0
+  end
+  local.get $0
   i32.const 0
-  call $~lib/rt/index-stub/__retain
+  i32.store
+  local.get $0
  )
- (func $~lib/rt/index-stub/__release (; 3 ;) (type $FUNCSIG$vi) (param $0 i32)
-  nop
+ (func $start:retain-release (; 3 ;) (type $FUNCSIG$v)
+  i32.const 0
+  call $retain-release/Ref#constructor
+  global.set $retain-release/REF
+  i32.const 0
+  call $retain-release/Target#constructor
+  global.set $retain-release/TARGET
  )
- (func $retain-release/receiveRef (; 4 ;) (type $FUNCSIG$v)
+ (func $retain-release/returnRef (; 4 ;) (type $FUNCSIG$i) (result i32)
+  global.get $retain-release/REF
+  call $~lib/rt/stub/__retain
+ )
+ (func $retain-release/receiveRef (; 5 ;) (type $FUNCSIG$v)
   (local $0 i32)
   call $retain-release/returnRef
   local.tee $0
   i32.eqz
   drop
   local.get $0
-  call $~lib/rt/index-stub/__release
+  call $~lib/rt/stub/__release
  )
- (func $retain-release/receiveRefDrop (; 5 ;) (type $FUNCSIG$v)
+ (func $retain-release/receiveRefDrop (; 6 ;) (type $FUNCSIG$v)
   call $retain-release/returnRef
-  call $~lib/rt/index-stub/__release
+  call $~lib/rt/stub/__release
  )
- (func $retain-release/receiveRefRetain (; 6 ;) (type $FUNCSIG$v)
+ (func $retain-release/receiveRefRetain (; 7 ;) (type $FUNCSIG$v)
   (local $0 i32)
-  (local $1 i32)
   call $retain-release/returnRef
-  local.tee $0
-  call $~lib/rt/index-stub/__retain
-  local.set $1
+  local.set $0
   local.get $0
-  call $~lib/rt/index-stub/__release
-  local.get $1
-  call $~lib/rt/index-stub/__release
+  call $~lib/rt/stub/__release
  )
- (func $retain-release/takeRef (; 7 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $retain-release/takeRef (; 8 ;) (type $FUNCSIG$vi) (param $0 i32)
   local.get $0
-  call $~lib/rt/index-stub/__retain
+  call $~lib/rt/stub/__retain
   drop
   local.get $0
-  call $~lib/rt/index-stub/__release
+  call $~lib/rt/stub/__release
  )
- (func $retain-release/provideRef (; 8 ;) (type $FUNCSIG$v)
-  i32.const 0
+ (func $retain-release/provideRef (; 9 ;) (type $FUNCSIG$v)
+  global.get $retain-release/REF
   call $retain-release/takeRef
  )
- (func $retain-release/takeReturnRef (; 9 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $retain-release/takeReturnRef (; 10 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
-  call $~lib/rt/index-stub/__retain
+  call $~lib/rt/stub/__retain
   drop
   local.get $0
  )
- (func $retain-release/provideReceiveRef (; 10 ;) (type $FUNCSIG$v)
+ (func $retain-release/provideReceiveRef (; 11 ;) (type $FUNCSIG$v)
   (local $0 i32)
-  i32.const 0
+  global.get $retain-release/REF
   call $retain-release/takeReturnRef
   local.tee $0
   i32.eqz
   drop
   local.get $0
-  call $~lib/rt/index-stub/__release
+  call $~lib/rt/stub/__release
  )
- (func $~lib/rt/index-stub/__alloc (; 11 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $retain-release/newRef (; 12 ;) (type $FUNCSIG$v)
+  i32.const 0
+  call $retain-release/Ref#constructor
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/assignGlobal (; 13 ;) (type $FUNCSIG$v)
+  global.get $retain-release/REF
+  global.get $retain-release/glo
+  call $~lib/rt/stub/__retainRelease
+  global.set $retain-release/glo
+ )
+ (func $retain-release/assignField (; 14 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  global.get $retain-release/TARGET
+  local.tee $0
+  global.get $retain-release/REF
+  local.get $0
+  i32.load
+  call $~lib/rt/stub/__retainRelease
+  i32.store
+ )
+ (func $retain-release/scopeBlock (; 15 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  global.get $retain-release/REF
+  call $~lib/rt/stub/__retain
+  local.set $0
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/scopeBlockToUninitialized (; 16 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  (local $1 i32)
+  i32.const 0
+  local.set $0
+  global.get $retain-release/REF
+  call $~lib/rt/stub/__retain
+  local.set $1
+  local.get $1
+  local.get $0
+  call $~lib/rt/stub/__retainRelease
+  local.set $0
+  local.get $1
+  call $~lib/rt/stub/__release
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/scopeBlockToInitialized (; 17 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  (local $1 i32)
+  global.get $retain-release/REF
+  call $~lib/rt/stub/__retain
+  local.set $0
+  global.get $retain-release/REF
+  call $~lib/rt/stub/__retain
+  local.set $1
+  local.get $1
+  local.get $0
+  call $~lib/rt/stub/__retainRelease
+  local.set $0
+  local.get $1
+  call $~lib/rt/stub/__release
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/scopeBlockToConditional (; 18 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  (local $2 i32)
+  i32.const 0
+  local.set $1
+  local.get $0
+  if
+   global.get $retain-release/REF
+   local.get $1
+   call $~lib/rt/stub/__retainRelease
+   local.set $1
+  end
+  global.get $retain-release/REF
+  call $~lib/rt/stub/__retain
+  local.set $2
+  local.get $2
+  local.get $1
+  call $~lib/rt/stub/__retainRelease
+  local.set $1
+  local.get $2
+  call $~lib/rt/stub/__release
+  local.get $1
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/scopeTopLevelUninitialized (; 19 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  i32.const 0
+  local.set $0
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/scopeTopLevelInitialized (; 20 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  global.get $retain-release/REF
+  call $~lib/rt/stub/__retain
+  local.set $0
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/scopeTopLevelConditional (; 21 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  i32.const 0
+  local.set $1
+  local.get $0
+  if
+   global.get $retain-release/REF
+   local.get $1
+   call $~lib/rt/stub/__retainRelease
+   local.set $1
+  end
+  local.get $1
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/scopeIf (; 22 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  local.get $0
+  if
+   global.get $retain-release/REF
+   call $~lib/rt/stub/__retain
+   local.set $1
+   local.get $1
+   call $~lib/rt/stub/__release
+  end
+ )
+ (func $retain-release/scopeIfElse (; 23 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  local.get $0
+  if
+   global.get $retain-release/REF
+   call $~lib/rt/stub/__retain
+   local.set $1
+   local.get $1
+   call $~lib/rt/stub/__release
+  else   
+   global.get $retain-release/REF
+   call $~lib/rt/stub/__retain
+   local.set $1
+   local.get $1
+   call $~lib/rt/stub/__release
+  end
+ )
+ (func $retain-release/scopeWhile (; 24 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  loop $continue|0
+   local.get $0
+   if
+    global.get $retain-release/REF
+    call $~lib/rt/stub/__retain
+    local.set $1
+    local.get $1
+    call $~lib/rt/stub/__release
+    br $continue|0
+   end
+  end
+ )
+ (func $retain-release/scopeDo (; 25 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  loop $continue|0
+   block
+    global.get $retain-release/REF
+    call $~lib/rt/stub/__retain
+    local.set $1
+    local.get $1
+    call $~lib/rt/stub/__release
+   end
+   local.get $0
+   br_if $continue|0
+  end
+ )
+ (func $retain-release/scopeFor (; 26 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  block $break|0
+   loop $repeat|0
+    local.get $0
+    i32.eqz
+    br_if $break|0
+    global.get $retain-release/REF
+    call $~lib/rt/stub/__retain
+    local.set $1
+    local.get $1
+    call $~lib/rt/stub/__release
+    br $repeat|0
+    unreachable
+   end
+   unreachable
+  end
+ )
+ (func $retain-release/scopeBreak (; 27 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  block $break|0
+   loop $continue|0
+    local.get $0
+    if
+     global.get $retain-release/REF
+     call $~lib/rt/stub/__retain
+     local.set $1
+     local.get $1
+     call $~lib/rt/stub/__release
+     br $break|0
+    end
+   end
+  end
+ )
+ (func $retain-release/scopeContinue (; 28 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  loop $continue|0
+   local.get $0
+   if
+    global.get $retain-release/REF
+    call $~lib/rt/stub/__retain
+    local.set $1
+    local.get $1
+    call $~lib/rt/stub/__release
+    br $continue|0
+   end
+  end
+ )
+ (func $retain-release/scopeThrow (; 29 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  loop $continue|0
+   local.get $0
+   if
+    global.get $retain-release/REF
+    call $~lib/rt/stub/__retain
+    local.set $1
+    local.get $1
+    call $~lib/rt/stub/__release
+    block
+     i32.const 24
+     i32.const 56
+     i32.const 310
+     i32.const 4
+     call $~lib/builtins/abort
+     unreachable
+     unreachable
+    end
+    unreachable
+   end
+  end
+ )
+ (func $retain-release/scopeUnreachable (; 30 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  loop $continue|0
+   local.get $0
+   if
+    global.get $retain-release/REF
+    call $~lib/rt/stub/__retain
+    local.set $1
+    unreachable
+    local.get $1
+    call $~lib/rt/stub/__release
+    br $continue|0
+   end
+  end
+ )
+ (func $retain-release/callInline (; 31 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  global.get $retain-release/REF
+  call $~lib/rt/stub/__retain
+  local.set $0
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/provideRefInline (; 32 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  global.get $retain-release/REF
+  call $~lib/rt/stub/__retain
+  local.set $0
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/receiveRefInline (; 33 ;) (type $FUNCSIG$v)
+  (local $0 i32)
+  block $retain-release/returnRefInline|inlined.0 (result i32)
+   global.get $retain-release/REF
+   call $~lib/rt/stub/__retain
+  end
+  local.tee $0
+  i32.eqz
+  drop
+  local.get $0
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/receiveRefInlineDrop (; 34 ;) (type $FUNCSIG$v)
+  block $retain-release/returnRefInline|inlined.1 (result i32)
+   global.get $retain-release/REF
+   call $~lib/rt/stub/__retain
+  end
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/provideRefIndirect (; 35 ;) (type $FUNCSIG$vi) (param $0 i32)
+  i32.const 1
+  global.set $~lib/argc
+  global.get $retain-release/REF
+  local.get $0
+  call_indirect (type $FUNCSIG$vi)
+ )
+ (func $retain-release/receiveRefIndirect (; 36 ;) (type $FUNCSIG$vi) (param $0 i32)
+  (local $1 i32)
+  block (result i32)
+   i32.const 0
+   global.set $~lib/argc
+   local.get $0
+   call_indirect (type $FUNCSIG$i)
+   local.tee $1
+  end
+  i32.eqz
+  drop
+  local.get $1
+  call $~lib/rt/stub/__release
+ )
+ (func $retain-release/receiveRefIndirectDrop (; 37 ;) (type $FUNCSIG$vi) (param $0 i32)
+  i32.const 0
+  global.set $~lib/argc
+  local.get $0
+  call_indirect (type $FUNCSIG$i)
+  call $~lib/rt/stub/__release
+ )
+ (func $start (; 38 ;) (type $FUNCSIG$v)
+  call $start:retain-release
+ )
+ (func $~lib/rt/stub/__alloc (; 39 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -127,7 +479,7 @@
   if
    unreachable
   end
-  global.get $~lib/rt/index-stub/offset
+  global.get $~lib/rt/stub/offset
   i32.const 16
   i32.add
   local.set $2
@@ -192,7 +544,7 @@
    end
   end
   local.get $5
-  global.set $~lib/rt/index-stub/offset
+  global.set $~lib/rt/stub/offset
   local.get $2
   i32.const 16
   i32.sub
@@ -205,346 +557,15 @@
   i32.store offset=12
   local.get $2
  )
- (func $retain-release/Ref#constructor (; 12 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
-  local.get $0
-  i32.eqz
-  if
-   i32.const 0
-   i32.const 17
-   call $~lib/rt/index-stub/__alloc
-   local.set $0
-  end
+ (func $~lib/rt/stub/__retain (; 40 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
  )
- (func $retain-release/newRef (; 13 ;) (type $FUNCSIG$v)
-  (local $0 i32)
-  i32.const 0
-  call $retain-release/Ref#constructor
-  local.tee $0
-  drop
-  local.get $0
-  call $~lib/rt/index-stub/__release
- )
- (func $~lib/rt/index-stub/__retainRelease (; 14 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/stub/__retainRelease (; 41 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   local.get $0
  )
- (func $retain-release/assignGlobal (; 15 ;) (type $FUNCSIG$v)
-  i32.const 0
-  global.get $retain-release/glo
-  call $~lib/rt/index-stub/__retainRelease
-  global.set $retain-release/glo
- )
- (func $retain-release/assignField (; 16 ;) (type $FUNCSIG$v)
-  (local $0 i32)
-  i32.const 0
-  local.tee $0
-  i32.const 0
-  local.get $0
-  i32.load
-  call $~lib/rt/index-stub/__retainRelease
-  i32.store
- )
- (func $retain-release/scopeBlock (; 17 ;) (type $FUNCSIG$v)
-  (local $0 i32)
-  i32.const 0
-  call $~lib/rt/index-stub/__retain
-  local.set $0
-  local.get $0
-  call $~lib/rt/index-stub/__release
- )
- (func $retain-release/scopeBlockToUninitialized (; 18 ;) (type $FUNCSIG$v)
-  (local $0 i32)
-  (local $1 i32)
-  i32.const 0
-  call $~lib/rt/index-stub/__retain
-  local.set $1
-  local.get $1
-  call $~lib/rt/index-stub/__retain
-  local.set $0
-  local.get $1
-  call $~lib/rt/index-stub/__release
-  local.get $0
-  call $~lib/rt/index-stub/__release
- )
- (func $retain-release/scopeBlockToInitialized (; 19 ;) (type $FUNCSIG$v)
-  (local $0 i32)
-  (local $1 i32)
-  i32.const 0
-  call $~lib/rt/index-stub/__retain
-  local.set $0
-  i32.const 0
-  call $~lib/rt/index-stub/__retain
-  local.set $1
-  local.get $1
-  local.get $0
-  call $~lib/rt/index-stub/__retainRelease
-  local.set $0
-  local.get $1
-  call $~lib/rt/index-stub/__release
-  local.get $0
-  call $~lib/rt/index-stub/__release
- )
- (func $retain-release/scopeBlockToConditional (; 20 ;) (type $FUNCSIG$vi) (param $0 i32)
-  (local $1 i32)
-  (local $2 i32)
-  local.get $0
-  if
-   i32.const 0
-   call $~lib/rt/index-stub/__retain
-   local.set $1
-  end
-  i32.const 0
-  call $~lib/rt/index-stub/__retain
-  local.set $2
-  local.get $2
-  local.get $1
-  call $~lib/rt/index-stub/__retainRelease
-  local.set $1
-  local.get $2
-  call $~lib/rt/index-stub/__release
-  local.get $1
-  call $~lib/rt/index-stub/__release
- )
- (func $retain-release/scopeTopLevelUninitialized (; 21 ;) (type $FUNCSIG$v)
-  (local $0 i32)
+ (func $~lib/rt/stub/__release (; 42 ;) (type $FUNCSIG$vi) (param $0 i32)
   nop
  )
- (func $retain-release/scopeTopLevelInitialized (; 22 ;) (type $FUNCSIG$v)
-  (local $0 i32)
-  i32.const 0
-  call $~lib/rt/index-stub/__retain
-  local.set $0
-  local.get $0
-  call $~lib/rt/index-stub/__release
- )
- (func $retain-release/scopeTopLevelConditional (; 23 ;) (type $FUNCSIG$vi) (param $0 i32)
-  (local $1 i32)
-  local.get $0
-  if
-   i32.const 0
-   call $~lib/rt/index-stub/__retain
-   local.set $1
-  end
-  local.get $1
-  call $~lib/rt/index-stub/__release
- )
- (func $retain-release/scopeIf (; 24 ;) (type $FUNCSIG$vi) (param $0 i32)
-  (local $1 i32)
-  local.get $0
-  if
-   i32.const 0
-   call $~lib/rt/index-stub/__retain
-   local.set $1
-   local.get $1
-   call $~lib/rt/index-stub/__release
-  end
- )
- (func $retain-release/scopeIfElse (; 25 ;) (type $FUNCSIG$vi) (param $0 i32)
-  (local $1 i32)
-  local.get $0
-  if
-   i32.const 0
-   call $~lib/rt/index-stub/__retain
-   local.set $1
-   local.get $1
-   call $~lib/rt/index-stub/__release
-  else   
-   i32.const 0
-   call $~lib/rt/index-stub/__retain
-   local.set $1
-   local.get $1
-   call $~lib/rt/index-stub/__release
-  end
- )
- (func $retain-release/scopeWhile (; 26 ;) (type $FUNCSIG$vi) (param $0 i32)
-  (local $1 i32)
-  loop $continue|0
-   local.get $0
-   if
-    i32.const 0
-    call $~lib/rt/index-stub/__retain
-    local.set $1
-    local.get $1
-    call $~lib/rt/index-stub/__release
-    br $continue|0
-   end
-  end
- )
- (func $retain-release/scopeDo (; 27 ;) (type $FUNCSIG$vi) (param $0 i32)
-  (local $1 i32)
-  loop $continue|0
-   block
-    i32.const 0
-    call $~lib/rt/index-stub/__retain
-    local.set $1
-    local.get $1
-    call $~lib/rt/index-stub/__release
-   end
-   local.get $0
-   br_if $continue|0
-  end
- )
- (func $retain-release/scopeFor (; 28 ;) (type $FUNCSIG$vi) (param $0 i32)
-  (local $1 i32)
-  block $break|0
-   loop $repeat|0
-    local.get $0
-    i32.eqz
-    br_if $break|0
-    i32.const 0
-    call $~lib/rt/index-stub/__retain
-    local.set $1
-    local.get $1
-    call $~lib/rt/index-stub/__release
-    br $repeat|0
-    unreachable
-   end
-   unreachable
-  end
- )
- (func $retain-release/scopeBreak (; 29 ;) (type $FUNCSIG$vi) (param $0 i32)
-  (local $1 i32)
-  block $break|0
-   loop $continue|0
-    local.get $0
-    if
-     i32.const 0
-     call $~lib/rt/index-stub/__retain
-     local.set $1
-     local.get $1
-     call $~lib/rt/index-stub/__release
-     br $break|0
-    end
-   end
-  end
- )
- (func $retain-release/scopeContinue (; 30 ;) (type $FUNCSIG$vi) (param $0 i32)
-  (local $1 i32)
-  loop $continue|0
-   local.get $0
-   if
-    i32.const 0
-    call $~lib/rt/index-stub/__retain
-    local.set $1
-    local.get $1
-    call $~lib/rt/index-stub/__release
-    br $continue|0
-   end
-  end
- )
- (func $retain-release/scopeThrow (; 31 ;) (type $FUNCSIG$vi) (param $0 i32)
-  (local $1 i32)
-  loop $continue|0
-   local.get $0
-   if
-    i32.const 0
-    call $~lib/rt/index-stub/__retain
-    local.set $1
-    local.get $1
-    call $~lib/rt/index-stub/__release
-    block
-     i32.const 0
-     i32.const 24
-     i32.const 306
-     i32.const 4
-     call $~lib/builtins/abort
-     unreachable
-     unreachable
-    end
-    unreachable
-   end
-  end
- )
- (func $retain-release/scopeUnreachable (; 32 ;) (type $FUNCSIG$vi) (param $0 i32)
-  (local $1 i32)
-  loop $continue|0
-   local.get $0
-   if
-    i32.const 0
-    call $~lib/rt/index-stub/__retain
-    local.set $1
-    unreachable
-    local.get $1
-    call $~lib/rt/index-stub/__release
-    br $continue|0
-   end
-  end
- )
- (func $retain-release/callInline (; 33 ;) (type $FUNCSIG$v)
-  (local $0 i32)
-  i32.const 0
-  call $~lib/rt/index-stub/__retain
-  local.set $0
-  local.get $0
-  call $~lib/rt/index-stub/__release
- )
- (func $retain-release/provideRefInline (; 34 ;) (type $FUNCSIG$v)
-  (local $0 i32)
-  i32.const 0
-  call $~lib/rt/index-stub/__retain
-  local.set $0
-  local.get $0
-  call $~lib/rt/index-stub/__release
- )
- (func $retain-release/receiveRefInline (; 35 ;) (type $FUNCSIG$v)
-  (local $0 i32)
-  block $retain-release/returnRefInline|inlined.0 (result i32)
-   i32.const 0
-   call $~lib/rt/index-stub/__retain
-  end
-  local.tee $0
-  i32.eqz
-  drop
-  local.get $0
-  call $~lib/rt/index-stub/__release
- )
- (func $retain-release/receiveRefInlineDrop (; 36 ;) (type $FUNCSIG$v)
-  block $retain-release/returnRefInline|inlined.1 (result i32)
-   i32.const 0
-   call $~lib/rt/index-stub/__retain
-  end
-  call $~lib/rt/index-stub/__release
- )
- (func $retain-release/provideRefIndirect (; 37 ;) (type $FUNCSIG$vi) (param $0 i32)
-  i32.const 1
-  global.set $~lib/argc
-  i32.const 0
-  local.get $0
-  call_indirect (type $FUNCSIG$vi)
- )
- (func $retain-release/receiveRefIndirect (; 38 ;) (type $FUNCSIG$vi) (param $0 i32)
-  (local $1 i32)
-  block (result i32)
-   i32.const 0
-   global.set $~lib/argc
-   local.get $0
-   call_indirect (type $FUNCSIG$i)
-   local.tee $1
-  end
-  i32.eqz
-  drop
-  local.get $1
-  call $~lib/rt/index-stub/__release
- )
- (func $retain-release/receiveRefIndirectDrop (; 39 ;) (type $FUNCSIG$vi) (param $0 i32)
-  i32.const 0
-  global.set $~lib/argc
-  local.get $0
-  call_indirect (type $FUNCSIG$i)
-  call $~lib/rt/index-stub/__release
- )
- (func $start (; 40 ;) (type $FUNCSIG$v)
-  global.get $~lib/builtins/HEAP_BASE
-  i32.const 15
-  i32.add
-  i32.const 15
-  i32.const -1
-  i32.xor
-  i32.and
-  global.set $~lib/rt/index-stub/startOffset
-  global.get $~lib/rt/index-stub/startOffset
-  global.set $~lib/rt/index-stub/offset
- )
- (func $null (; 41 ;) (type $FUNCSIG$v)
+ (func $null (; 43 ;) (type $FUNCSIG$v)
  )
 )

tests/compiler/runtime-full.untouched.wat

@@ -9,17 +9,20 @@
  (type $FUNCSIG$vi (func (param i32)))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\1e\00\00\00\00\00\00\00\10\00\00\00\1e\00\00\00~\00l\00i\00b\00/\00r\00t\00/\00t\00l\00s\00f\00.\00t\00s\00")
- (data (i32.const 56) "\"\00\00\00\00\00\00\00\10\00\00\00\"\00\00\00~\00l\00i\00b\00/\00r\00t\00/\00p\00u\00r\00e\00r\00c\00.\00t\00s\00")
- (data (i32.const 112) "\10\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00")
+ (data (i32.const 8) "\1e\00\00\00\01\00\00\00\10\00\00\00\1e\00\00\00~\00l\00i\00b\00/\00r\00t\00/\00t\00l\00s\00f\00.\00t\00s\00")
+ (data (i32.const 56) "(\00\00\00\01\00\00\00\10\00\00\00(\00\00\00a\00l\00l\00o\00c\00a\00t\00i\00o\00n\00 \00t\00o\00o\00 \00l\00a\00r\00g\00e\00")
+ (data (i32.const 112) "\"\00\00\00\01\00\00\00\10\00\00\00\"\00\00\00~\00l\00i\00b\00/\00r\00t\00/\00p\00u\00r\00e\00r\00c\00.\00t\00s\00")
+ (data (i32.const 168) "$\00\00\00\01\00\00\00\10\00\00\00$\00\00\00I\00n\00d\00e\00x\00 \00o\00u\00t\00 \00o\00f\00 \00r\00a\00n\00g\00e\00")
+ (data (i32.const 224) "\"\00\00\00\01\00\00\00\10\00\00\00\"\00\00\00~\00l\00i\00b\00/\00r\00t\00/\00c\00o\00m\00m\00o\00n\00.\00t\00s\00")
+ (data (i32.const 280) "\10\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00")
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
  (global $~lib/rt/tlsf/ROOT (mut i32) (i32.const 0))
  (global $~lib/rt/purerc/CUR (mut i32) (i32.const 0))
  (global $~lib/rt/purerc/END (mut i32) (i32.const 0))
  (global $~lib/rt/purerc/ROOTS (mut i32) (i32.const 0))
- (global $~lib/builtins/RTTI_BASE i32 (i32.const 112))
- (global $~lib/builtins/HEAP_BASE i32 (i32.const 248))
+ (global $~lib/builtins/RTTI_BASE i32 (i32.const 280))
+ (global $~lib/builtins/HEAP_BASE i32 (i32.const 416))
  (export "memory" (memory $0))
  (export "__alloc" (func $~lib/rt/tlsf/__alloc))
  (export "__realloc" (func $~lib/rt/tlsf/__realloc))
@@ -151,7 +154,7 @@
    i32.store offset=16
   end
   local.get $1
-  block $~lib/rt/tlsf/GETHEAD|inlined.1 (result i32)
+  block $~lib/rt/tlsf/GETHEAD|inlined.0 (result i32)
    local.get $0
    local.set $10
    local.get $4
@@ -520,7 +523,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  block $~lib/rt/tlsf/GETHEAD|inlined.2 (result i32)
+  block $~lib/rt/tlsf/GETHEAD|inlined.1 (result i32)
    local.get $0
    local.set $3
    local.get $9
@@ -581,6 +584,10 @@
   i32.or
   i32.store
   block $~lib/rt/tlsf/SETSL|inlined.2
+   local.get $0
+   local.set $3
+   local.get $9
+   local.set $6
    block $~lib/rt/tlsf/GETSL|inlined.1 (result i32)
     local.get $0
     local.set $13
@@ -597,13 +604,13 @@
    local.get $10
    i32.shl
    i32.or
-   local.set $3
-   local.get $0
-   local.get $9
+   local.set $7
+   local.get $3
+   local.get $6
    i32.const 2
    i32.shl
    i32.add
-   local.get $3
+   local.get $7
    i32.store offset=4
   end
  )
@@ -705,11 +712,7 @@
   i32.sub
   local.set $6
   local.get $6
-  i32.const 16
-  i32.const 16
-  i32.add
-  i32.const 16
-  i32.add
+  i32.const 48
   i32.lt_u
   if
    i32.const 0
@@ -923,7 +926,7 @@
   i32.const 1073741808
   i32.ge_u
   if
-   i32.const 0
+   i32.const 72
    i32.const 24
    i32.const 446
    i32.const 29
@@ -1089,7 +1092,7 @@
      call $~lib/builtins/abort
      unreachable
     end
-    block $~lib/rt/tlsf/GETHEAD|inlined.3 (result i32)
+    block $~lib/rt/tlsf/GETHEAD|inlined.2 (result i32)
      local.get $0
      local.set $9
      local.get $2
@@ -1111,7 +1114,7 @@
     local.set $7
    end
   else   
-   block $~lib/rt/tlsf/GETHEAD|inlined.4 (result i32)
+   block $~lib/rt/tlsf/GETHEAD|inlined.3 (result i32)
     local.get $0
     local.set $8
     local.get $2
@@ -1216,9 +1219,7 @@
   i32.sub
   local.set $4
   local.get $4
-  i32.const 16
-  i32.const 16
-  i32.add
+  i32.const 32
   i32.ge_u
   if
    local.get $1
@@ -1337,7 +1338,7 @@
    unreachable
   end
   local.get $3
-  i32.const 1
+  i32.const 0
   i32.store offset=4
   local.get $3
   local.get $1
@@ -1378,55 +1379,62 @@
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
+  (local $6 i32)
   block $~lib/util/memory/memmove|inlined.0
    local.get $0
+   local.set $5
    local.get $1
+   local.set $4
+   local.get $2
+   local.set $3
+   local.get $5
+   local.get $4
    i32.eq
    if
     br $~lib/util/memory/memmove|inlined.0
    end
-   local.get $0
-   local.get $1
+   local.get $5
+   local.get $4
    i32.lt_u
    if
-    local.get $1
+    local.get $4
     i32.const 7
     i32.and
-    local.get $0
+    local.get $5
     i32.const 7
     i32.and
     i32.eq
     if
      block $break|0
       loop $continue|0
-       local.get $0
+       local.get $5
        i32.const 7
        i32.and
        if
-        local.get $2
+        local.get $3
         i32.eqz
         if
          br $~lib/util/memory/memmove|inlined.0
         end
-        local.get $2
+        local.get $3
         i32.const 1
         i32.sub
-        local.set $2
+        local.set $3
         block (result i32)
-         local.get $0
-         local.tee $5
+         local.get $5
+         local.tee $6
          i32.const 1
          i32.add
-         local.set $0
-         local.get $5
+         local.set $5
+         local.get $6
         end
         block (result i32)
-         local.get $1
-         local.tee $5
+         local.get $4
+         local.tee $6
          i32.const 1
          i32.add
-         local.set $1
-         local.get $5
+         local.set $4
+         local.get $6
         end
         i32.load8_u
         i32.store8
@@ -1436,26 +1444,26 @@
      end
      block $break|1
       loop $continue|1
-       local.get $2
+       local.get $3
        i32.const 8
        i32.ge_u
        if
-        local.get $0
-        local.get $1
+        local.get $5
+        local.get $4
         i64.load
         i64.store
-        local.get $2
+        local.get $3
         i32.const 8
         i32.sub
-        local.set $2
-        local.get $0
+        local.set $3
+        local.get $5
         i32.const 8
         i32.add
-        local.set $0
-        local.get $1
+        local.set $5
+        local.get $4
         i32.const 8
         i32.add
-        local.set $1
+        local.set $4
         br $continue|1
        end
       end
@@ -1463,64 +1471,64 @@
     end
     block $break|2
      loop $continue|2
-      local.get $2
+      local.get $3
       if
        block (result i32)
-        local.get $0
-        local.tee $5
+        local.get $5
+        local.tee $6
         i32.const 1
         i32.add
-        local.set $0
-        local.get $5
+        local.set $5
+        local.get $6
        end
        block (result i32)
-        local.get $1
-        local.tee $5
+        local.get $4
+        local.tee $6
         i32.const 1
         i32.add
-        local.set $1
-        local.get $5
+        local.set $4
+        local.get $6
        end
        i32.load8_u
        i32.store8
-       local.get $2
+       local.get $3
        i32.const 1
        i32.sub
-       local.set $2
+       local.set $3
        br $continue|2
       end
      end
     end
    else    
-    local.get $1
+    local.get $4
     i32.const 7
     i32.and
-    local.get $0
+    local.get $5
     i32.const 7
     i32.and
     i32.eq
     if
      block $break|3
       loop $continue|3
-       local.get $0
-       local.get $2
+       local.get $5
+       local.get $3
        i32.add
        i32.const 7
        i32.and
        if
-        local.get $2
+        local.get $3
         i32.eqz
         if
          br $~lib/util/memory/memmove|inlined.0
         end
-        local.get $0
-        local.get $2
+        local.get $5
+        local.get $3
         i32.const 1
         i32.sub
-        local.tee $2
+        local.tee $3
         i32.add
-        local.get $1
-        local.get $2
+        local.get $4
+        local.get $3
         i32.add
         i32.load8_u
         i32.store8
@@ -1530,19 +1538,19 @@
      end
      block $break|4
       loop $continue|4
-       local.get $2
+       local.get $3
        i32.const 8
        i32.ge_u
        if
-        local.get $2
+        local.get $3
         i32.const 8
         i32.sub
-        local.set $2
-        local.get $0
-        local.get $2
+        local.set $3
+        local.get $5
+        local.get $3
         i32.add
-        local.get $1
-        local.get $2
+        local.get $4
+        local.get $3
         i32.add
         i64.load
         i64.store
@@ -1553,16 +1561,16 @@
     end
     block $break|5
      loop $continue|5
-      local.get $2
+      local.get $3
       if
-       local.get $0
-       local.get $2
+       local.get $5
+       local.get $3
        i32.const 1
        i32.sub
-       local.tee $2
+       local.tee $3
        i32.add
-       local.get $1
-       local.get $2
+       local.get $4
+       local.get $3
        i32.add
        i32.load8_u
        i32.store8
@@ -1601,9 +1609,7 @@
   end
   local.get $3
   local.get $4
-  i32.const 3
-  i32.const -1
-  i32.xor
+  i32.const -4
   i32.and
   i32.le_u
   if
@@ -1714,7 +1720,7 @@
   if
    i32.const 0
    i32.const 24
-   i32.const 550
+   i32.const 552
    i32.const 13
    call $~lib/builtins/abort
    unreachable
@@ -1734,7 +1740,7 @@
   if
    i32.const 0
    i32.const 24
-   i32.const 551
+   i32.const 553
    i32.const 2
    call $~lib/builtins/abort
    unreachable
@@ -1761,7 +1767,7 @@
   if
    i32.const 0
    i32.const 24
-   i32.const 529
+   i32.const 530
    i32.const 2
    call $~lib/builtins/abort
    unreachable
@@ -1781,7 +1787,7 @@
   if
    i32.const 0
    i32.const 24
-   i32.const 558
+   i32.const 560
    i32.const 13
    call $~lib/builtins/abort
    unreachable
@@ -1801,7 +1807,7 @@
   if
    i32.const 0
    i32.const 24
-   i32.const 559
+   i32.const 561
    i32.const 2
    call $~lib/builtins/abort
    unreachable
@@ -1833,7 +1839,7 @@
   i32.eqz
   if
    i32.const 0
-   i32.const 72
+   i32.const 128
    i32.const 103
    i32.const 2
    call $~lib/builtins/abort
@@ -1844,6 +1850,20 @@
   i32.const 1
   i32.add
   i32.store offset=4
+  local.get $0
+  i32.load
+  i32.const 1
+  i32.and
+  i32.eqz
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 106
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
  )
  (func $~lib/rt/purerc/__retain (; 17 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
@@ -1871,16 +1891,20 @@
    i32.load
    i32.gt_u
   end
-  if (result i32)
+  if
+   i32.const 184
+   i32.const 240
+   i32.const 55
+   i32.const 34
+   call $~lib/builtins/abort
    unreachable
-  else   
-   local.get $1
-   local.get $0
-   i32.const 8
-   i32.mul
-   i32.add
-   i32.load
   end
+  local.get $1
+  local.get $0
+  i32.const 8
+  i32.mul
+  i32.add
+  i32.load
  )
  (func $~lib/rt/purerc/growRoots (; 19 ;) (type $FUNCSIG$v)
   (local $0 i32)
@@ -1957,6 +1981,20 @@
   i32.const 268435455
   i32.and
   local.set $2
+  local.get $0
+  i32.load
+  i32.const 1
+  i32.and
+  i32.eqz
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 128
+   i32.const 114
+   i32.const 13
+   call $~lib/builtins/abort
+   unreachable
+  end
   local.get $2
   i32.const 1
   i32.eq
@@ -1990,8 +2028,8 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 72
-    i32.const 119
+    i32.const 128
+    i32.const 123
     i32.const 15
     call $~lib/builtins/abort
     unreachable
@@ -2406,7 +2444,7 @@
         i32.eqz
         if
          i32.const 0
-         i32.const 72
+         i32.const 128
          i32.const 74
          i32.const 17
          call $~lib/builtins/abort
@@ -2453,7 +2491,7 @@
       i32.eqz
       if
        i32.const 0
-       i32.const 72
+       i32.const 128
        i32.const 85
        i32.const 6
        call $~lib/builtins/abort
@@ -2490,7 +2528,7 @@
    i32.eqz
    if
     i32.const 0
-    i32.const 72
+    i32.const 128
     i32.const 96
     i32.const 24
     call $~lib/builtins/abort
@@ -2500,73 +2538,60 @@
  )
  (func $~lib/builtins/__visit_members (; 30 ;) (type $FUNCSIG$vii) (param $0 i32) (param $1 i32)
   (local $2 i32)
-  block $invalid
-   block $~lib/string/String
-    block $~lib/arraybuffer/ArrayBuffer
-     block $~lib/arraybuffer/ArrayBufferView
-      block $~lib/number/F64
-       block $~lib/number/F32
-        block $~lib/number/Bool
-         block $~lib/number/Usize
-          block $~lib/number/U64
-           block $~lib/number/U32
-            block $~lib/number/U16
-             block $~lib/number/U8
-              block $~lib/number/Isize
-               block $~lib/number/I64
-                block $~lib/number/I32
-                 block $~lib/number/I16
-                  block $~lib/number/I8
-                   local.get $0
-                   i32.const 8
-                   i32.sub
-                   i32.load
-                   br_table $invalid $~lib/number/I8 $~lib/number/I16 $~lib/number/I32 $~lib/number/I64 $~lib/number/Isize $~lib/number/U8 $~lib/number/U16 $~lib/number/U32 $~lib/number/U64 $~lib/number/Usize $~lib/number/Bool $~lib/number/F32 $~lib/number/F64 $~lib/arraybuffer/ArrayBufferView $~lib/arraybuffer/ArrayBuffer $~lib/string/String $invalid
-                  end
-                  return
-                 end
-                 return
-                end
-                return
-               end
-               return
-              end
-              return
-             end
-             return
-            end
-            return
-           end
-           return
-          end
-          return
-         end
-         return
-        end
-        return
-       end
-       return
+  block
+  end
+  block $switch$1$leave
+   block $switch$1$case$16
+    block $switch$1$case$3
+     block $switch$1$default
+      local.get $0
+      i32.const 8
+      i32.sub
+      i32.load
+      br_table $switch$1$default $switch$1$case$3 $switch$1$case$3 $switch$1$case$3 $switch$1$case$3 $switch$1$case$3 $switch$1$case$3 $switch$1$case$3 $switch$1$case$3 $switch$1$case$3 $switch$1$case$3 $switch$1$case$3 $switch$1$case$3 $switch$1$case$3 $switch$1$case$16 $switch$1$case$3 $switch$1$case$3 $switch$1$default
+     end
+     block
+      block
+       unreachable
+       unreachable
+      end
+      unreachable
+      unreachable
+     end
+     unreachable
+    end
+    block
+     block
+      return
+      unreachable
+     end
+     unreachable
+     unreachable
+    end
+    unreachable
+   end
+   block
+    block
+     block
+      local.get $0
+      i32.load
+      local.tee $2
+      if
+       local.get $2
+       local.get $1
+       call $~lib/rt/purerc/__visit
       end
       return
+      unreachable
      end
-     local.get $0
-     i32.load
-     local.tee $2
-     if
-      local.get $2
-      local.get $1
-      call $~lib/rt/purerc/__visit
-      local.get $2
-      local.get $1
-      call $~lib/builtins/__visit_members
-     end
-     return
+     unreachable
+     unreachable
     end
-    return
+    unreachable
+    unreachable
    end
-   return
+   unreachable
   end
-  unreachable
  )
  (func $null (; 31 ;) (type $FUNCSIG$v)
  )

tests/compiler/runtime-stub.optimized.wat

@@ -4,73 +4,98 @@
  (type $FUNCSIG$vi (func (param i32)))
  (type $FUNCSIG$ii (func (param i32) (result i32)))
  (type $FUNCSIG$v (func))
+ (type $FUNCSIG$viiii (func (param i32 i32 i32 i32)))
+ (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08")
- (global $stub/startOffset (mut i32) (i32.const 0))
- (global $stub/offset (mut i32) (i32.const 0))
+ (data (i32.const 8) "$\00\00\00\01\00\00\00\10\00\00\00$\00\00\00I\00n\00d\00e\00x\00 \00o\00u\00t\00 \00o\00f\00 \00r\00a\00n\00g\00e\00")
+ (data (i32.const 64) "\"\00\00\00\01\00\00\00\10\00\00\00\"\00\00\00~\00l\00i\00b\00/\00r\00t\00/\00c\00o\00m\00m\00o\00n\00.\00t\00s\00")
+ (data (i32.const 120) "\10\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00")
+ (table $0 1 funcref)
+ (elem (i32.const 0) $null)
+ (global $~lib/rt/stub/startOffset (mut i32) (i32.const 0))
+ (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
+ (global $~lib/builtins/RTTI_BASE i32 (i32.const 120))
+ (global $~lib/builtins/HEAP_BASE i32 (i32.const 256))
  (export "memory" (memory $0))
- (export "__alloc" (func $stub/__alloc))
- (export "__realloc" (func $stub/__realloc))
- (export "__free" (func $stub/__free))
- (export "__retain" (func $stub/__retain))
- (export "__release" (func $stub/__free))
- (export "__collect" (func $stub/__collect))
+ (export "__alloc" (func $~lib/rt/stub/__alloc))
+ (export "__realloc" (func $~lib/rt/stub/__realloc))
+ (export "__free" (func $~lib/rt/stub/__free))
+ (export "__retain" (func $~lib/rt/stub/__retain))
+ (export "__release" (func $~lib/rt/stub/__release))
+ (export "__collect" (func $~lib/rt/stub/__collect))
  (export "__instanceof" (func $~lib/rt/common/__instanceof))
  (export "__typeinfo" (func $~lib/rt/common/__typeinfo))
  (start $start)
- (func $stub/__alloc (; 0 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/stub/__alloc (; 1 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
+  (local $6 i32)
+  (local $7 i32)
+  (local $8 i32)
   local.get $0
   i32.const 1073741808
   i32.gt_u
   if
    unreachable
   end
-  global.get $stub/offset
+  global.get $~lib/rt/stub/offset
   i32.const 16
   i32.add
+  local.set $2
+  local.get $2
+  local.get $0
   local.tee $3
-  local.get $0
-  i32.const 1
-  local.get $0
   i32.const 1
+  local.tee $4
+  local.get $3
+  local.get $4
   i32.gt_u
   select
   i32.add
   i32.const 15
   i32.add
-  i32.const -16
+  i32.const 15
+  i32.const -1
+  i32.xor
   i32.and
-  local.tee $2
+  local.set $5
   current_memory
-  local.tee $4
+  local.set $6
+  local.get $5
+  local.get $6
   i32.const 16
   i32.shl
   i32.gt_u
   if
-   local.get $4
+   local.get $5
    local.get $2
-   local.get $3
    i32.sub
    i32.const 65535
    i32.add
-   i32.const -65536
+   i32.const 65535
+   i32.const -1
+   i32.xor
    i32.and
    i32.const 16
    i32.shr_u
-   local.tee $5
+   local.set $3
+   local.get $6
+   local.tee $4
+   local.get $3
+   local.tee $7
    local.get $4
-   local.get $5
+   local.get $7
    i32.gt_s
    select
+   local.set $4
+   local.get $4
    grow_memory
    i32.const 0
    i32.lt_s
    if
-    local.get $5
+    local.get $3
     grow_memory
     i32.const 0
     i32.lt_s
@@ -79,211 +104,251 @@
     end
    end
   end
+  local.get $5
+  global.set $~lib/rt/stub/offset
   local.get $2
-  global.set $stub/offset
-  local.get $3
   i32.const 16
   i32.sub
-  local.tee $2
+  local.set $8
+  local.get $8
   local.get $1
   i32.store offset=8
-  local.get $2
+  local.get $8
   local.get $0
   i32.store offset=12
-  local.get $3
+  local.get $2
  )
- (func $~lib/memory/memory.copy (; 1 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/memory/memory.copy (; 2 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
+  (local $5 i32)
+  (local $6 i32)
   block $~lib/util/memory/memmove|inlined.0
    local.get $0
+   local.set $5
    local.get $1
+   local.set $4
+   local.get $2
+   local.set $3
+   local.get $5
+   local.get $4
    i32.eq
-   br_if $~lib/util/memory/memmove|inlined.0
-   local.get $0
-   local.get $1
+   if
+    br $~lib/util/memory/memmove|inlined.0
+   end
+   local.get $5
+   local.get $4
    i32.lt_u
    if
-    local.get $1
+    local.get $4
     i32.const 7
     i32.and
-    local.get $0
+    local.get $5
     i32.const 7
     i32.and
     i32.eq
     if
-     loop $continue|0
-      local.get $0
-      i32.const 7
-      i32.and
-      if
-       local.get $2
-       i32.eqz
-       br_if $~lib/util/memory/memmove|inlined.0
-       local.get $2
-       i32.const 1
-       i32.sub
-       local.set $2
-       local.get $0
-       local.tee $3
-       i32.const 1
-       i32.add
-       local.set $0
-       local.get $1
-       local.tee $4
-       i32.const 1
-       i32.add
-       local.set $1
-       local.get $3
-       local.get $4
-       i32.load8_u
-       i32.store8
-       br $continue|0
+     block $break|0
+      loop $continue|0
+       local.get $5
+       i32.const 7
+       i32.and
+       if
+        local.get $3
+        i32.eqz
+        if
+         br $~lib/util/memory/memmove|inlined.0
+        end
+        local.get $3
+        i32.const 1
+        i32.sub
+        local.set $3
+        block (result i32)
+         local.get $5
+         local.tee $6
+         i32.const 1
+         i32.add
+         local.set $5
+         local.get $6
+        end
+        block (result i32)
+         local.get $4
+         local.tee $6
+         i32.const 1
+         i32.add
+         local.set $4
+         local.get $6
+        end
+        i32.load8_u
+        i32.store8
+        br $continue|0
+       end
       end
      end
-     loop $continue|1
-      local.get $2
-      i32.const 8
-      i32.ge_u
-      if
-       local.get $0
-       local.get $1
-       i64.load
-       i64.store
-       local.get $2
+     block $break|1
+      loop $continue|1
+       local.get $3
        i32.const 8
-       i32.sub
-       local.set $2
-       local.get $0
-       i32.const 8
-       i32.add
-       local.set $0
-       local.get $1
-       i32.const 8
-       i32.add
-       local.set $1
-       br $continue|1
+       i32.ge_u
+       if
+        local.get $5
+        local.get $4
+        i64.load
+        i64.store
+        local.get $3
+        i32.const 8
+        i32.sub
+        local.set $3
+        local.get $5
+        i32.const 8
+        i32.add
+        local.set $5
+        local.get $4
+        i32.const 8
+        i32.add
+        local.set $4
+        br $continue|1
+       end
       end
      end
     end
-    loop $continue|2
-     local.get $2
-     if
-      local.get $0
-      local.tee $3
-      i32.const 1
-      i32.add
-      local.set $0
-      local.get $1
-      local.tee $4
-      i32.const 1
-      i32.add
-      local.set $1
+    block $break|2
+     loop $continue|2
       local.get $3
-      local.get $4
-      i32.load8_u
-      i32.store8
-      local.get $2
-      i32.const 1
-      i32.sub
-      local.set $2
-      br $continue|2
+      if
+       block (result i32)
+        local.get $5
+        local.tee $6
+        i32.const 1
+        i32.add
+        local.set $5
+        local.get $6
+       end
+       block (result i32)
+        local.get $4
+        local.tee $6
+        i32.const 1
+        i32.add
+        local.set $4
+        local.get $6
+       end
+       i32.load8_u
+       i32.store8
+       local.get $3
+       i32.const 1
+       i32.sub
+       local.set $3
+       br $continue|2
+      end
      end
     end
    else    
-    local.get $1
+    local.get $4
     i32.const 7
     i32.and
-    local.get $0
+    local.get $5
     i32.const 7
     i32.and
     i32.eq
     if
-     loop $continue|3
-      local.get $0
-      local.get $2
-      i32.add
-      i32.const 7
-      i32.and
-      if
-       local.get $2
-       i32.eqz
-       br_if $~lib/util/memory/memmove|inlined.0
-       local.get $2
-       i32.const 1
-       i32.sub
-       local.tee $2
-       local.get $0
+     block $break|3
+      loop $continue|3
+       local.get $5
+       local.get $3
        i32.add
-       local.get $1
-       local.get $2
-       i32.add
-       i32.load8_u
-       i32.store8
-       br $continue|3
+       i32.const 7
+       i32.and
+       if
+        local.get $3
+        i32.eqz
+        if
+         br $~lib/util/memory/memmove|inlined.0
+        end
+        local.get $5
+        local.get $3
+        i32.const 1
+        i32.sub
+        local.tee $3
+        i32.add
+        local.get $4
+        local.get $3
+        i32.add
+        i32.load8_u
+        i32.store8
+        br $continue|3
+       end
       end
      end
-     loop $continue|4
-      local.get $2
-      i32.const 8
-      i32.ge_u
-      if
-       local.get $2
+     block $break|4
+      loop $continue|4
+       local.get $3
        i32.const 8
-       i32.sub
-       local.tee $2
-       local.get $0
-       i32.add
-       local.get $1
-       local.get $2
-       i32.add
-       i64.load
-       i64.store
-       br $continue|4
+       i32.ge_u
+       if
+        local.get $3
+        i32.const 8
+        i32.sub
+        local.set $3
+        local.get $5
+        local.get $3
+        i32.add
+        local.get $4
+        local.get $3
+        i32.add
+        i64.load
+        i64.store
+        br $continue|4
+       end
       end
      end
     end
-    loop $continue|5
-     local.get $2
-     if
-      local.get $2
-      i32.const 1
-      i32.sub
-      local.tee $2
-      local.get $0
-      i32.add
-      local.get $1
-      local.get $2
-      i32.add
-      i32.load8_u
-      i32.store8
-      br $continue|5
+    block $break|5
+     loop $continue|5
+      local.get $3
+      if
+       local.get $5
+       local.get $3
+       i32.const 1
+       i32.sub
+       local.tee $3
+       i32.add
+       local.get $4
+       local.get $3
+       i32.add
+       i32.load8_u
+       i32.store8
+       br $continue|5
+      end
      end
     end
    end
   end
  )
- (func $stub/__realloc (; 2 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/stub/__realloc (; 3 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
-  local.get $1
+  (local $4 i32)
   local.get $0
   i32.const 16
   i32.sub
-  local.tee $2
+  local.set $2
+  local.get $2
   i32.load offset=12
-  local.tee $3
+  local.set $3
+  local.get $1
+  local.get $3
   i32.gt_u
   if
    local.get $1
    local.get $2
    i32.load offset=8
-   call $stub/__alloc
-   local.tee $1
+   call $~lib/rt/stub/__alloc
+   local.set $4
+   local.get $4
    local.get $0
    local.get $3
    call $~lib/memory/memory.copy
-   local.get $1
+   local.get $4
    local.set $0
   else   
    local.get $2
@@ -292,24 +357,32 @@
   end
   local.get $0
  )
- (func $stub/__free (; 3 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/stub/__free (; 4 ;) (type $FUNCSIG$vi) (param $0 i32)
   nop
  )
- (func $stub/__retain (; 4 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/rt/stub/__retain (; 5 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
  )
- (func $stub/__collect (; 5 ;) (type $FUNCSIG$v)
+ (func $~lib/rt/stub/__release (; 6 ;) (type $FUNCSIG$vi) (param $0 i32)
   nop
  )
- (func $~lib/rt/common/__instanceof (; 6 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/stub/__collect (; 7 ;) (type $FUNCSIG$v)
+  nop
+ )
+ (func $~lib/rt/common/__instanceof (; 8 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+  (local $2 i32)
+  (local $3 i32)
   local.get $0
   i32.const 16
   i32.sub
   i32.load offset=8
-  local.tee $0
+  local.set $2
+  global.get $~lib/builtins/RTTI_BASE
+  local.set $3
+  local.get $2
   if (result i32)
-   local.get $0
-   i32.const 8
+   local.get $2
+   local.get $3
    i32.load
    i32.le_u
   else   
@@ -317,50 +390,66 @@
   end
   if
    loop $continue|0
-    local.get $0
+    local.get $2
     local.get $1
     i32.eq
     if
      i32.const 1
      return
     end
-    local.get $0
-    i32.const 3
-    i32.shl
+    local.get $3
+    local.get $2
     i32.const 8
+    i32.mul
     i32.add
     i32.load offset=4
-    local.tee $0
+    local.tee $2
     br_if $continue|0
    end
   end
   i32.const 0
  )
- (func $~lib/rt/common/__typeinfo (; 7 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/rt/common/__typeinfo (; 9 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  (local $1 i32)
+  global.get $~lib/builtins/RTTI_BASE
+  local.set $1
   local.get $0
+  i32.eqz
   if (result i32)
+   i32.const 1
+  else   
    local.get $0
-   i32.const 8
+   local.get $1
    i32.load
    i32.gt_u
-  else   
-   i32.const 1
   end
-  if (result i32)
+  if
+   i32.const 24
+   i32.const 80
+   i32.const 55
+   i32.const 34
+   call $~lib/builtins/abort
    unreachable
-  else   
-   local.get $0
-   i32.const 3
-   i32.shl
-   i32.const 8
-   i32.add
-   i32.load
   end
+  local.get $1
+  local.get $0
+  i32.const 8
+  i32.mul
+  i32.add
+  i32.load
  )
- (func $start (; 8 ;) (type $FUNCSIG$v)
-  i32.const 144
-  global.set $stub/startOffset
-  global.get $stub/startOffset
-  global.set $stub/offset
+ (func $start (; 10 ;) (type $FUNCSIG$v)
+  global.get $~lib/builtins/HEAP_BASE
+  i32.const 15
+  i32.add
+  i32.const 15
+  i32.const -1
+  i32.xor
+  i32.and
+  global.set $~lib/rt/stub/startOffset
+  global.get $~lib/rt/stub/startOffset
+  global.set $~lib/rt/stub/offset
+ )
+ (func $null (; 11 ;) (type $FUNCSIG$v)
  )
 )

tests/compiler/runtime-stub.untouched.wat

@@ -4,25 +4,29 @@
  (type $FUNCSIG$vi (func (param i32)))
  (type $FUNCSIG$ii (func (param i32) (result i32)))
  (type $FUNCSIG$v (func))
+ (type $FUNCSIG$viiii (func (param i32 i32 i32 i32)))
+ (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00")
+ (data (i32.const 8) "$\00\00\00\01\00\00\00\10\00\00\00$\00\00\00I\00n\00d\00e\00x\00 \00o\00u\00t\00 \00o\00f\00 \00r\00a\00n\00g\00e\00")
+ (data (i32.const 64) "\"\00\00\00\01\00\00\00\10\00\00\00\"\00\00\00~\00l\00i\00b\00/\00r\00t\00/\00c\00o\00m\00m\00o\00n\00.\00t\00s\00")
+ (data (i32.const 120) "\10\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00\08\00\00\00\00\00\00\00")
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
- (global $stub/startOffset (mut i32) (i32.const 0))
- (global $stub/offset (mut i32) (i32.const 0))
- (global $~lib/builtins/RTTI_BASE i32 (i32.const 8))
- (global $~lib/builtins/HEAP_BASE i32 (i32.const 144))
+ (global $~lib/rt/stub/startOffset (mut i32) (i32.const 0))
+ (global $~lib/rt/stub/offset (mut i32) (i32.const 0))
+ (global $~lib/builtins/RTTI_BASE i32 (i32.const 120))
+ (global $~lib/builtins/HEAP_BASE i32 (i32.const 256))
  (export "memory" (memory $0))
- (export "__alloc" (func $stub/__alloc))
- (export "__realloc" (func $stub/__realloc))
- (export "__free" (func $stub/__free))
- (export "__retain" (func $stub/__retain))
- (export "__release" (func $stub/__release))
- (export "__collect" (func $stub/__collect))
+ (export "__alloc" (func $~lib/rt/stub/__alloc))
+ (export "__realloc" (func $~lib/rt/stub/__realloc))
+ (export "__free" (func $~lib/rt/stub/__free))
+ (export "__retain" (func $~lib/rt/stub/__retain))
+ (export "__release" (func $~lib/rt/stub/__release))
+ (export "__collect" (func $~lib/rt/stub/__collect))
  (export "__instanceof" (func $~lib/rt/common/__instanceof))
  (export "__typeinfo" (func $~lib/rt/common/__typeinfo))
  (start $start)
- (func $stub/__alloc (; 0 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/stub/__alloc (; 1 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -36,7 +40,7 @@
   if
    unreachable
   end
-  global.get $stub/offset
+  global.get $~lib/rt/stub/offset
   i32.const 16
   i32.add
   local.set $2
@@ -101,7 +105,7 @@
    end
   end
   local.get $5
-  global.set $stub/offset
+  global.set $~lib/rt/stub/offset
   local.get $2
   i32.const 16
   i32.sub
@@ -114,59 +118,66 @@
   i32.store offset=12
   local.get $2
  )
- (func $~lib/memory/memory.copy (; 1 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
+ (func $~lib/memory/memory.copy (; 2 ;) (type $FUNCSIG$viii) (param $0 i32) (param $1 i32) (param $2 i32)
   (local $3 i32)
   (local $4 i32)
   (local $5 i32)
+  (local $6 i32)
   block $~lib/util/memory/memmove|inlined.0
    local.get $0
+   local.set $5
    local.get $1
+   local.set $4
+   local.get $2
+   local.set $3
+   local.get $5
+   local.get $4
    i32.eq
    if
     br $~lib/util/memory/memmove|inlined.0
    end
-   local.get $0
-   local.get $1
+   local.get $5
+   local.get $4
    i32.lt_u
    if
-    local.get $1
+    local.get $4
     i32.const 7
     i32.and
-    local.get $0
+    local.get $5
     i32.const 7
     i32.and
     i32.eq
     if
      block $break|0
       loop $continue|0
-       local.get $0
+       local.get $5
        i32.const 7
        i32.and
        if
-        local.get $2
+        local.get $3
         i32.eqz
         if
          br $~lib/util/memory/memmove|inlined.0
         end
-        local.get $2
+        local.get $3
         i32.const 1
         i32.sub
-        local.set $2
+        local.set $3
         block (result i32)
-         local.get $0
-         local.tee $5
+         local.get $5
+         local.tee $6
          i32.const 1
          i32.add
-         local.set $0
-         local.get $5
+         local.set $5
+         local.get $6
         end
         block (result i32)
-         local.get $1
-         local.tee $5
+         local.get $4
+         local.tee $6
          i32.const 1
          i32.add
-         local.set $1
-         local.get $5
+         local.set $4
+         local.get $6
         end
         i32.load8_u
         i32.store8
@@ -176,26 +187,26 @@
      end
      block $break|1
       loop $continue|1
-       local.get $2
+       local.get $3
        i32.const 8
        i32.ge_u
        if
-        local.get $0
-        local.get $1
+        local.get $5
+        local.get $4
         i64.load
         i64.store
-        local.get $2
+        local.get $3
         i32.const 8
         i32.sub
-        local.set $2
-        local.get $0
+        local.set $3
+        local.get $5
         i32.const 8
         i32.add
-        local.set $0
-        local.get $1
+        local.set $5
+        local.get $4
         i32.const 8
         i32.add
-        local.set $1
+        local.set $4
         br $continue|1
        end
       end
@@ -203,64 +214,64 @@
     end
     block $break|2
      loop $continue|2
-      local.get $2
+      local.get $3
       if
        block (result i32)
-        local.get $0
-        local.tee $5
+        local.get $5
+        local.tee $6
         i32.const 1
         i32.add
-        local.set $0
-        local.get $5
+        local.set $5
+        local.get $6
        end
        block (result i32)
-        local.get $1
-        local.tee $5
+        local.get $4
+        local.tee $6
         i32.const 1
         i32.add
-        local.set $1
-        local.get $5
+        local.set $4
+        local.get $6
        end
        i32.load8_u
        i32.store8
-       local.get $2
+       local.get $3
        i32.const 1
        i32.sub
-       local.set $2
+       local.set $3
        br $continue|2
       end
      end
     end
    else    
-    local.get $1
+    local.get $4
     i32.const 7
     i32.and
-    local.get $0
+    local.get $5
     i32.const 7
     i32.and
     i32.eq
     if
      block $break|3
       loop $continue|3
-       local.get $0
-       local.get $2
+       local.get $5
+       local.get $3
        i32.add
        i32.const 7
        i32.and
        if
-        local.get $2
+        local.get $3
         i32.eqz
         if
          br $~lib/util/memory/memmove|inlined.0
         end
-        local.get $0
-        local.get $2
+        local.get $5
+        local.get $3
         i32.const 1
         i32.sub
-        local.tee $2
+        local.tee $3
         i32.add
-        local.get $1
-        local.get $2
+        local.get $4
+        local.get $3
         i32.add
         i32.load8_u
         i32.store8
@@ -270,19 +281,19 @@
      end
      block $break|4
       loop $continue|4
-       local.get $2
+       local.get $3
        i32.const 8
        i32.ge_u
        if
-        local.get $2
+        local.get $3
         i32.const 8
         i32.sub
-        local.set $2
-        local.get $0
-        local.get $2
+        local.set $3
+        local.get $5
+        local.get $3
         i32.add
-        local.get $1
-        local.get $2
+        local.get $4
+        local.get $3
         i32.add
         i64.load
         i64.store
@@ -293,16 +304,16 @@
     end
     block $break|5
      loop $continue|5
-      local.get $2
+      local.get $3
       if
-       local.get $0
-       local.get $2
+       local.get $5
+       local.get $3
        i32.const 1
        i32.sub
-       local.tee $2
+       local.tee $3
        i32.add
-       local.get $1
-       local.get $2
+       local.get $4
+       local.get $3
        i32.add
        i32.load8_u
        i32.store8
@@ -313,7 +324,7 @@
    end
   end
  )
- (func $stub/__realloc (; 2 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/stub/__realloc (; 3 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   (local $4 i32)
@@ -331,7 +342,7 @@
    local.get $1
    local.get $2
    i32.load offset=8
-   call $stub/__alloc
+   call $~lib/rt/stub/__alloc
    local.set $4
    local.get $4
    local.get $0
@@ -346,19 +357,19 @@
   end
   local.get $0
  )
- (func $stub/__free (; 3 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/stub/__free (; 4 ;) (type $FUNCSIG$vi) (param $0 i32)
   nop
  )
- (func $stub/__retain (; 4 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/rt/stub/__retain (; 5 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   local.get $0
  )
- (func $stub/__release (; 5 ;) (type $FUNCSIG$vi) (param $0 i32)
+ (func $~lib/rt/stub/__release (; 6 ;) (type $FUNCSIG$vi) (param $0 i32)
   nop
  )
- (func $stub/__collect (; 6 ;) (type $FUNCSIG$v)
+ (func $~lib/rt/stub/__collect (; 7 ;) (type $FUNCSIG$v)
   nop
  )
- (func $~lib/rt/common/__instanceof (; 7 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
+ (func $~lib/rt/common/__instanceof (; 8 ;) (type $FUNCSIG$iii) (param $0 i32) (param $1 i32) (result i32)
   (local $2 i32)
   (local $3 i32)
   local.get $0
@@ -398,7 +409,7 @@
   end
   i32.const 0
  )
- (func $~lib/rt/common/__typeinfo (; 8 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+ (func $~lib/rt/common/__typeinfo (; 9 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
   (local $1 i32)
   global.get $~lib/builtins/RTTI_BASE
   local.set $1
@@ -412,18 +423,22 @@
    i32.load
    i32.gt_u
   end
-  if (result i32)
+  if
+   i32.const 24
+   i32.const 80
+   i32.const 55
+   i32.const 34
+   call $~lib/builtins/abort
    unreachable
-  else   
-   local.get $1
-   local.get $0
-   i32.const 8
-   i32.mul
-   i32.add
-   i32.load
   end
+  local.get $1
+  local.get $0
+  i32.const 8
+  i32.mul
+  i32.add
+  i32.load
  )
- (func $start (; 9 ;) (type $FUNCSIG$v)
+ (func $start (; 10 ;) (type $FUNCSIG$v)
   global.get $~lib/builtins/HEAP_BASE
   i32.const 15
   i32.add
@@ -431,10 +446,10 @@
   i32.const -1
   i32.xor
   i32.and
-  global.set $stub/startOffset
-  global.get $stub/startOffset
-  global.set $stub/offset
+  global.set $~lib/rt/stub/startOffset
+  global.get $~lib/rt/stub/startOffset
+  global.set $~lib/rt/stub/offset
  )
- (func $null (; 10 ;) (type $FUNCSIG$v)
+ (func $null (; 11 ;) (type $FUNCSIG$v)
  )
 )

tests/compiler/simd.optimized.wat

@@ -1,8 +1,7 @@
 (module
  (type $FUNCSIG$v (func))
  (memory $0 1)
- (data (i32.const 8) "\11\00\00\00\0e")
- (data (i32.const 24) "s\00i\00m\00d\00.\00t\00s")
+ (data (i32.const 8) "\0e\00\00\00\01\00\00\00\11\00\00\00\0e\00\00\00s\00i\00m\00d\00.\00t\00s\00")
  (export "memory" (memory $0))
  (func $start (; 0 ;) (type $FUNCSIG$v)
   nop

tests/compiler/simd.untouched.wat

@@ -3,7 +3,7 @@
  (type $FUNCSIG$viiii (func (param i32 i32 i32 i32)))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\11\00\00\00\0e\00\00\00\00\00\00\00\00\00\00\00s\00i\00m\00d\00.\00t\00s\00")
+ (data (i32.const 8) "\0e\00\00\00\01\00\00\00\11\00\00\00\0e\00\00\00s\00i\00m\00d\00.\00t\00s\00")
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
  (global $~lib/ASC_FEATURE_SIMD i32 (i32.const 0))

tests/compiler/static-this.optimized.wat

@@ -1,17 +1,23 @@
 (module
+ (type $FUNCSIG$i (func (result i32)))
  (type $FUNCSIG$viiii (func (param i32 i32 i32 i32)))
  (type $FUNCSIG$v (func))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00\1c")
- (data (i32.const 24) "s\00t\00a\00t\00i\00c\00-\00t\00h\00i\00s\00.\00t\00s")
+ (data (i32.const 8) "\1c\00\00\00\01\00\00\00\10\00\00\00\1c\00\00\00s\00t\00a\00t\00i\00c\00-\00t\00h\00i\00s\00.\00t\00s\00")
+ (table $0 1 funcref)
+ (elem (i32.const 0) $null)
  (global $static-this/Foo.bar (mut i32) (i32.const 42))
  (export "memory" (memory $0))
  (start $start)
- (func $start (; 1 ;) (type $FUNCSIG$v)
+ (func $static-this/Foo.getBar (; 1 ;) (type $FUNCSIG$i) (result i32)
   global.get $static-this/Foo.bar
+ )
+ (func $start:static-this (; 2 ;) (type $FUNCSIG$v)
+  call $static-this/Foo.getBar
   i32.const 42
-  i32.ne
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -21,7 +27,9 @@
    unreachable
   end
  )
- (func $null (; 2 ;) (type $FUNCSIG$v)
-  nop
+ (func $start (; 3 ;) (type $FUNCSIG$v)
+  call $start:static-this
+ )
+ (func $null (; 4 ;) (type $FUNCSIG$v)
  )
 )

tests/compiler/static-this.untouched.wat

@@ -4,7 +4,7 @@
  (type $FUNCSIG$v (func))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00\1c\00\00\00\00\00\00\00\00\00\00\00s\00t\00a\00t\00i\00c\00-\00t\00h\00i\00s\00.\00t\00s\00")
+ (data (i32.const 8) "\1c\00\00\00\01\00\00\00\10\00\00\00\1c\00\00\00s\00t\00a\00t\00i\00c\00-\00t\00h\00i\00s\00.\00t\00s\00")
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
  (global $static-this/Foo.bar (mut i32) (i32.const 42))

tests/compiler/std/array.json

@@ -1,5 +1,6 @@
 {
   "asc_flags": [
-    "--runtime none"
+    "--runtime full",
+    "--use ASC_RTRACE=1"
   ]
 }

tests/compiler/std/map.json

@@ -1,5 +1,6 @@
 {
   "asc_flags": [
-    "--runtime none"
+    "--runtime half",
+    "--use ASC_RTRACE=1"
   ]
 }

tests/compiler/std/map.ts

@@ -1,5 +1,3 @@
-import "collector/dummy";
-
 function testNumeric<K extends number,V extends number>(): void {
   var map = new Map<K,V>();
 

tests/compiler/std/math.optimized.wat

@@ -60,14 +60,11 @@
  (import "Math" "tanh" (func $~lib/bindings/Math/tanh (param f64) (result f64)))
  (import "Math" "trunc" (func $~lib/bindings/Math/trunc (param f64) (result f64)))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00\16")
- (data (i32.const 24) "s\00t\00d\00/\00m\00a\00t\00h\00.\00t\00s")
- (data (i32.const 48) "\0f\00\00\00 ")
- (data (i32.const 64) ")\15DNn\83\f9\a2\c0\dd4\f5\d1W\'\fcA\90C<\99\95b\dba\c5\bb\de\abcQ\fe")
- (data (i32.const 96) "\11\00\00\00\10")
- (data (i32.const 112) "@\00\00\00@\00\00\00 \00\00\00\04")
- (data (i32.const 128) "\10\00\00\00\18")
- (data (i32.const 144) "~\00l\00i\00b\00/\00m\00a\00t\00h\00.\00t\00s")
+ (data (i32.const 8) "\16\00\00\00\01\00\00\00\10\00\00\00\16\00\00\00s\00t\00d\00/\00m\00a\00t\00h\00.\00t\00s")
+ (data (i32.const 48) " \00\00\00\01\00\00\00\0f\00\00\00 \00\00\00)\15DNn\83\f9\a2\c0\dd4\f5\d1W\'\fcA\90C<\99\95b\dba\c5\bb\de\abcQ\fe")
+ (data (i32.const 96) "\10\00\00\00\01\00\00\00\11\00\00\00\10\00\00\00@\00\00\00@\00\00\00 \00\00\00\04")
+ (data (i32.const 128) "\18\00\00\00\01\00\00\00\10\00\00\00\18\00\00\00~\00l\00i\00b\00/\00m\00a\00t\00h\00.\00t\00s")
+ (data (i32.const 168) "(\00\00\00\01\00\00\00\10\00\00\00(\00\00\00P\00R\00N\00G\00 \00m\00u\00s\00t\00 \00b\00e\00 \00s\00e\00e\00d\00e\00d\00.")
  (global $~lib/math/rempio2f_y (mut f64) (f64.const 0))
  (global $~lib/math/random_seeded (mut i32) (i32.const 0))
  (global $~lib/math/random_state0_64 (mut i64) (i64.const 0))
@@ -8299,7 +8296,7 @@
   global.get $~lib/math/random_seeded
   i32.eqz
   if
-   i32.const 0
+   i32.const 184
    i32.const 144
    i32.const 1030
    i32.const 24
@@ -8346,7 +8343,7 @@
   global.get $~lib/math/random_seeded
   i32.eqz
   if
-   i32.const 0
+   i32.const 184
    i32.const 144
    i32.const 2312
    i32.const 24

tests/compiler/std/math.untouched.wat

@@ -62,10 +62,11 @@
  (import "Math" "tanh" (func $~lib/bindings/Math/tanh (param f64) (result f64)))
  (import "Math" "trunc" (func $~lib/bindings/Math/trunc (param f64) (result f64)))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00\16\00\00\00\00\00\00\00\00\00\00\00s\00t\00d\00/\00m\00a\00t\00h\00.\00t\00s\00")
- (data (i32.const 48) "\0f\00\00\00 \00\00\00\00\00\00\00\00\00\00\00)\15DNn\83\f9\a2\c0\dd4\f5\d1W\'\fcA\90C<\99\95b\dba\c5\bb\de\abcQ\fe")
- (data (i32.const 96) "\11\00\00\00\10\00\00\00\00\00\00\00\00\00\00\00@\00\00\00@\00\00\00 \00\00\00\04\00\00\00")
- (data (i32.const 128) "\10\00\00\00\18\00\00\00\00\00\00\00\00\00\00\00~\00l\00i\00b\00/\00m\00a\00t\00h\00.\00t\00s\00")
+ (data (i32.const 8) "\16\00\00\00\01\00\00\00\10\00\00\00\16\00\00\00s\00t\00d\00/\00m\00a\00t\00h\00.\00t\00s\00")
+ (data (i32.const 48) " \00\00\00\01\00\00\00\0f\00\00\00 \00\00\00)\15DNn\83\f9\a2\c0\dd4\f5\d1W\'\fcA\90C<\99\95b\dba\c5\bb\de\abcQ\fe")
+ (data (i32.const 96) "\10\00\00\00\01\00\00\00\11\00\00\00\10\00\00\00@\00\00\00@\00\00\00 \00\00\00\04\00\00\00")
+ (data (i32.const 128) "\18\00\00\00\01\00\00\00\10\00\00\00\18\00\00\00~\00l\00i\00b\00/\00m\00a\00t\00h\00.\00t\00s\00")
+ (data (i32.const 168) "(\00\00\00\01\00\00\00\10\00\00\00(\00\00\00P\00R\00N\00G\00 \00m\00u\00s\00t\00 \00b\00e\00 \00s\00e\00e\00d\00e\00d\00.\00")
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
  (global $std/math/js i32 (i32.const 1))
@@ -252,7 +253,7 @@
   local.get $1
   f64.eq
   if
-   block $~lib/math/NativeMath.signbit|inlined.2 (result i32)
+   block $~lib/math/NativeMath.signbit|inlined.0 (result i32)
     local.get $0
     local.set $3
     local.get $3
@@ -267,7 +268,7 @@
    end
    i32.const 0
    i32.ne
-   block $~lib/math/NativeMath.signbit|inlined.3 (result i32)
+   block $~lib/math/NativeMath.signbit|inlined.1 (result i32)
     local.get $1
     local.set $3
     local.get $3
@@ -491,7 +492,7 @@
   local.get $1
   f32.eq
   if
-   block $~lib/math/NativeMathf.signbit|inlined.2 (result i32)
+   block $~lib/math/NativeMathf.signbit|inlined.0 (result i32)
     local.get $0
     local.set $3
     local.get $3
@@ -505,7 +506,7 @@
    end
    i32.const 0
    i32.ne
-   block $~lib/math/NativeMathf.signbit|inlined.3 (result i32)
+   block $~lib/math/NativeMathf.signbit|inlined.1 (result i32)
     local.get $1
     local.set $3
     local.get $3
@@ -1104,9 +1105,7 @@
    local.get $2
    i32.const 1
    i32.shl
-   i32.const 1017118720
-   i32.const 1
-   i32.shl
+   i32.const 2034237440
    i32.lt_u
    if
     local.get $0
@@ -1504,9 +1503,7 @@
   i64.and
   local.set $1
   local.get $1
-  i64.const 1023
-  i64.const 1
-  i64.add
+  i64.const 1024
   i64.lt_u
   if
    local.get $0
@@ -1531,9 +1528,7 @@
    return
   end
   local.get $1
-  i64.const 1023
-  i64.const 26
-  i64.add
+  i64.const 1049
   i64.lt_u
   if
    f64.const 2
@@ -1640,9 +1635,7 @@
    local.get $1
    i32.const 1
    i32.shl
-   i32.const 864026624
-   i32.const 1
-   i32.shl
+   i32.const 1728053248
    i32.lt_u
    if
     local.get $0
@@ -1973,11 +1966,7 @@
   i32.and
   local.set $2
   local.get $2
-  i32.const 1065353216
-  i32.const 1
-  i32.const 23
-  i32.shl
-  i32.add
+  i32.const 1073741824
   i32.lt_u
   if
    local.get $0
@@ -1996,11 +1985,7 @@
    return
   end
   local.get $2
-  i32.const 1065353216
-  i32.const 12
-  i32.const 23
-  i32.shl
-  i32.add
+  i32.const 1166016512
   i32.lt_u
   if
    f32.const 2
@@ -2335,9 +2320,7 @@
   f64.reinterpret_i64
   local.set $3
   local.get $2
-  i64.const 1023
-  i64.const 26
-  i64.add
+  i64.const 1049
   i64.ge_u
   if
    local.get $3
@@ -2347,9 +2330,7 @@
    local.set $3
   else   
    local.get $2
-   i64.const 1023
-   i64.const 1
-   i64.add
+   i64.const 1024
    i64.ge_u
    if
     f64.const 2
@@ -2370,9 +2351,7 @@
     local.set $3
    else    
     local.get $2
-    i64.const 1023
-    i64.const 26
-    i64.sub
+    i64.const 997
     i64.ge_u
     if
      local.get $3
@@ -2434,11 +2413,7 @@
   f32.reinterpret_i32
   local.set $2
   local.get $1
-  i32.const 1065353216
-  i32.const 12
-  i32.const 23
-  i32.shl
-  i32.add
+  i32.const 1166016512
   i32.ge_u
   if
    local.get $2
@@ -2448,11 +2423,7 @@
    local.set $2
   else   
    local.get $1
-   i32.const 1065353216
-   i32.const 1
-   i32.const 23
-   i32.shl
-   i32.add
+   i32.const 1073741824
    i32.ge_u
    if
     f32.const 2
@@ -2473,11 +2444,7 @@
     local.set $2
    else    
     local.get $1
-    i32.const 1065353216
-    i32.const 12
-    i32.const 23
-    i32.shl
-    i32.sub
+    i32.const 964689920
     i32.ge_u
     if
      local.get $2
@@ -3087,15 +3054,11 @@
   f64.reinterpret_i64
   local.set $4
   local.get $2
-  i64.const 1023
-  i64.const 1
-  i64.sub
+  i64.const 1022
   i64.lt_u
   if
    local.get $2
-   i64.const 1023
-   i64.const 32
-   i64.sub
+   i64.const 991
    i64.ge_u
    if
     f64.const 0.5
@@ -3171,19 +3134,11 @@
   f32.reinterpret_i32
   local.set $2
   local.get $1
-  i32.const 1065353216
-  i32.const 1
-  i32.const 23
-  i32.shl
-  i32.sub
+  i32.const 1056964608
   i32.lt_u
   if
    local.get $1
-   i32.const 1065353216
-   i32.const 32
-   i32.const 23
-   i32.shl
-   i32.sub
+   i32.const 796917760
    i32.ge_u
    if
     f32.const 0.5
@@ -3468,9 +3423,7 @@
    end
   end
   local.get $3
-  i32.const 64
-  i32.const 20
-  i32.shl
+  i32.const 67108864
   i32.add
   local.get $5
   i32.lt_u
@@ -3502,9 +3455,7 @@
   i32.and
   if (result i32)
    local.get $5
-   i32.const 64
-   i32.const 20
-   i32.shl
+   i32.const 67108864
    i32.add
    local.get $3
    i32.lt_u
@@ -3811,9 +3762,7 @@
    end
   end
   local.get $2
-  i32.const 26
-  i32.const 23
-  i32.shl
+  i32.const 218103808
   i32.add
   local.get $3
   i32.lt_u
@@ -3845,9 +3794,7 @@
   i32.and
   if (result i32)
    local.get $3
-   i32.const 26
-   i32.const 23
-   i32.shl
+   i32.const 218103808
    i32.add
    local.get $2
    i32.lt_u
@@ -5410,11 +5357,7 @@
   i32.lt_u
   if
    local.get $2
-   i32.const 1072693248
-   i32.const 26
-   i32.const 20
-   i32.shl
-   i32.sub
+   i32.const 1045430272
    i32.lt_u
    if
     f64.const 1
@@ -5959,11 +5902,7 @@
   i32.lt_u
   if
    local.get $1
-   i32.const 1065353216
-   i32.const 12
-   i32.const 23
-   i32.shl
-   i32.sub
+   i32.const 964689920
    i32.lt_u
    if
     f32.const 1
@@ -6227,9 +6166,7 @@
   f64.const 1
   local.set $7
   local.get $5
-  i32.const 1023
-  i32.const 510
-  i32.add
+  i32.const 1533
   i32.gt_s
   if
    f64.const 5260135901548373507240989e186
@@ -6244,9 +6181,7 @@
    local.set $1
   else   
    local.get $6
-   i32.const 1023
-   i32.const 450
-   i32.sub
+   i32.const 573
    i32.lt_s
    if
     f64.const 1.90109156629516e-211
@@ -6399,18 +6334,14 @@
   f32.reinterpret_i32
   local.set $1
   local.get $3
-  i32.const 255
-  i32.const 23
-  i32.shl
+  i32.const 2139095040
   i32.eq
   if
    local.get $1
    return
   end
   local.get $2
-  i32.const 255
-  i32.const 23
-  i32.shl
+  i32.const 2139095040
   i32.ge_u
   if (result i32)
    i32.const 1
@@ -6425,9 +6356,7 @@
    local.get $2
    local.get $3
    i32.sub
-   i32.const 25
-   i32.const 23
-   i32.shl
+   i32.const 209715200
    i32.ge_u
   end
   if
@@ -6439,11 +6368,7 @@
   f32.const 1
   local.set $5
   local.get $2
-  i32.const 127
-  i32.const 60
-  i32.add
-  i32.const 23
-  i32.shl
+  i32.const 1568669696
   i32.ge_u
   if
    f32.const 1237940039285380274899124e3
@@ -6458,11 +6383,7 @@
    local.set $1
   else   
    local.get $3
-   i32.const 127
-   i32.const 60
-   i32.sub
-   i32.const 23
-   i32.shl
+   i32.const 562036736
    i32.lt_u
    if
     f32.const 8.077935669463161e-28
@@ -7792,34 +7713,32 @@
     local.get $5
     i64.gt_s
     if
-     block
+     local.get $2
+     local.get $3
+     i64.ge_u
+     if
       local.get $2
       local.get $3
-      i64.ge_u
+      i64.eq
       if
-       local.get $2
-       local.get $3
-       i64.eq
-       if
-        f64.const 0
-        local.get $0
-        f64.mul
-        return
-       end
-       local.get $2
-       local.get $3
-       i64.sub
-       local.set $2
+       f64.const 0
+       local.get $0
+       f64.mul
+       return
       end
       local.get $2
-      i64.const 1
-      i64.shl
-      local.set $2
-      local.get $4
-      i64.const 1
+      local.get $3
       i64.sub
-      local.set $4
+      local.set $2
      end
+     local.get $2
+     i64.const 1
+     i64.shl
+     local.set $2
+     local.get $4
+     i64.const 1
+     i64.sub
+     local.set $4
      br $continue|0
     end
    end
@@ -8068,34 +7987,32 @@
     local.get $5
     i32.gt_s
     if
-     block
+     local.get $2
+     local.get $3
+     i32.ge_u
+     if
       local.get $2
       local.get $3
-      i32.ge_u
+      i32.eq
       if
-       local.get $2
-       local.get $3
-       i32.eq
-       if
-        f32.const 0
-        local.get $0
-        f32.mul
-        return
-       end
-       local.get $2
-       local.get $3
-       i32.sub
-       local.set $2
+       f32.const 0
+       local.get $0
+       f32.mul
+       return
       end
       local.get $2
-      i32.const 1
-      i32.shl
-      local.set $2
-      local.get $4
-      i32.const 1
+      local.get $3
       i32.sub
-      local.set $4
+      local.set $2
      end
+     local.get $2
+     i32.const 1
+     i32.shl
+     local.set $2
+     local.get $4
+     i32.const 1
+     i32.sub
+     local.set $4
      br $continue|0
     end
    end
@@ -10324,7 +10241,7 @@
   global.get $~lib/math/random_seeded
   i32.eqz
   if
-   i32.const 0
+   i32.const 184
    i32.const 144
    i32.const 1030
    i32.const 24
@@ -10381,7 +10298,7 @@
   global.get $~lib/math/random_seeded
   i32.eqz
   if
-   i32.const 0
+   i32.const 184
    i32.const 144
    i32.const 2312
    i32.const 24
@@ -10695,33 +10612,31 @@
       local.get $5
       i64.gt_s
       if
-       block
+       local.get $8
+       local.get $3
+       i64.ge_u
+       if
         local.get $8
         local.get $3
-        i64.ge_u
-        if
-         local.get $8
-         local.get $3
-         i64.sub
-         local.set $8
-         local.get $9
-         i32.const 1
-         i32.add
-         local.set $9
-        end
-        local.get $8
-        i64.const 1
-        i64.shl
+        i64.sub
         local.set $8
         local.get $9
         i32.const 1
-        i32.shl
+        i32.add
         local.set $9
-        local.get $4
-        i64.const 1
-        i64.sub
-        local.set $4
        end
+       local.get $8
+       i64.const 1
+       i64.shl
+       local.set $8
+       local.get $9
+       i32.const 1
+       i32.shl
+       local.set $9
+       local.get $4
+       i64.const 1
+       i64.sub
+       local.set $4
        br $continue|1
       end
      end
@@ -11018,33 +10933,31 @@
       local.get $5
       i32.gt_s
       if
-       block
+       local.get $7
+       local.get $3
+       i32.ge_u
+       if
         local.get $7
         local.get $3
-        i32.ge_u
-        if
-         local.get $7
-         local.get $3
-         i32.sub
-         local.set $7
-         local.get $8
-         i32.const 1
-         i32.add
-         local.set $8
-        end
-        local.get $7
-        i32.const 1
-        i32.shl
+        i32.sub
         local.set $7
         local.get $8
         i32.const 1
-        i32.shl
+        i32.add
         local.set $8
-        local.get $4
-        i32.const 1
-        i32.sub
-        local.set $4
        end
+       local.get $7
+       i32.const 1
+       i32.shl
+       local.set $7
+       local.get $8
+       i32.const 1
+       i32.shl
+       local.set $8
+       local.get $4
+       i32.const 1
+       i32.sub
+       local.set $4
        br $continue|1
       end
      end
@@ -11853,11 +11766,7 @@
    i32.lt_u
    if
     local.get $3
-    i32.const 1072693248
-    i32.const 26
-    i32.const 20
-    i32.shl
-    i32.sub
+    i32.const 1045430272
     i32.lt_u
     if
      local.get $0
@@ -11975,11 +11884,7 @@
    i32.lt_u
    if
     local.get $1
-    i32.const 1065353216
-    i32.const 12
-    i32.const 23
-    i32.shl
-    i32.sub
+    i32.const 964689920
     i32.lt_u
     if
      local.get $0
@@ -13284,25 +13189,23 @@
     i32.const 0
     i32.gt_s
     if
-     block
-      local.get $1
-      i32.const 1
-      i32.and
-      if
-       local.get $2
-       local.get $0
-       i64.mul
-       local.set $2
-      end
-      local.get $1
-      i32.const 1
-      i32.shr_s
-      local.set $1
-      local.get $0
+     local.get $1
+     i32.const 1
+     i32.and
+     if
+      local.get $2
       local.get $0
       i64.mul
-      local.set $0
+      local.set $2
      end
+     local.get $1
+     i32.const 1
+     i32.shr_s
+     local.set $1
+     local.get $0
+     local.get $0
+     i64.mul
+     local.set $0
      br $continue|2
     end
    end
@@ -13328,25 +13231,23 @@
    loop $continue|0
     local.get $1
     if
-     block
-      local.get $3
-      local.get $0
-      f32.const 1
-      local.get $1
-      i32.const 1
-      i32.and
-      select
-      f32.mul
-      local.set $3
-      local.get $1
-      i32.const 1
-      i32.shr_s
-      local.set $1
-      local.get $0
-      local.get $0
-      f32.mul
-      local.set $0
-     end
+     local.get $3
+     local.get $0
+     f32.const 1
+     local.get $1
+     i32.const 1
+     i32.and
+     select
+     f32.mul
+     local.set $3
+     local.get $1
+     i32.const 1
+     i32.shr_s
+     local.set $1
+     local.get $0
+     local.get $0
+     f32.mul
+     local.set $0
      br $continue|0
     end
    end
@@ -13379,25 +13280,23 @@
    loop $continue|0
     local.get $1
     if
-     block
-      local.get $3
-      local.get $0
-      f64.const 1
-      local.get $1
-      i32.const 1
-      i32.and
-      select
-      f64.mul
-      local.set $3
-      local.get $1
-      i32.const 1
-      i32.shr_s
-      local.set $1
-      local.get $0
-      local.get $0
-      f64.mul
-      local.set $0
-     end
+     local.get $3
+     local.get $0
+     f64.const 1
+     local.get $1
+     i32.const 1
+     i32.and
+     select
+     f64.mul
+     local.set $3
+     local.get $1
+     i32.const 1
+     i32.shr_s
+     local.set $1
+     local.get $0
+     local.get $0
+     f64.mul
+     local.set $0
      br $continue|0
     end
    end
@@ -37696,28 +37595,26 @@
     f64.lt
     i32.eqz
     br_if $break|0
-    block
-     call $~lib/math/NativeMath.random
-     local.set $1
+    call $~lib/math/NativeMath.random
+    local.set $1
+    local.get $1
+    f64.const 0
+    f64.ge
+    if (result i32)
      local.get $1
-     f64.const 0
-     f64.ge
-     if (result i32)
-      local.get $1
-      f64.const 1
-      f64.lt
-     else      
-      i32.const 0
-     end
-     i32.eqz
-     if
-      i32.const 0
-      i32.const 24
-      i32.const 2579
-      i32.const 2
-      call $~lib/builtins/abort
-      unreachable
-     end
+     f64.const 1
+     f64.lt
+    else     
+     i32.const 0
+    end
+    i32.eqz
+    if
+     i32.const 0
+     i32.const 24
+     i32.const 2579
+     i32.const 2
+     call $~lib/builtins/abort
+     unreachable
     end
     local.get $0
     i32.const 1
@@ -37745,28 +37642,26 @@
     f64.lt
     i32.eqz
     br_if $break|1
-    block
-     call $~lib/math/NativeMathf.random
-     local.set $3
+    call $~lib/math/NativeMathf.random
+    local.set $3
+    local.get $3
+    f32.const 0
+    f32.ge
+    if (result i32)
      local.get $3
-     f32.const 0
-     f32.ge
-     if (result i32)
-      local.get $3
-      f32.const 1
-      f32.lt
-     else      
-      i32.const 0
-     end
-     i32.eqz
-     if
-      i32.const 0
-      i32.const 24
-      i32.const 2587
-      i32.const 2
-      call $~lib/builtins/abort
-      unreachable
-     end
+     f32.const 1
+     f32.lt
+    else     
+     i32.const 0
+    end
+    i32.eqz
+    if
+     i32.const 0
+     i32.const 24
+     i32.const 2587
+     i32.const 2
+     call $~lib/builtins/abort
+     unreachable
     end
     local.get $0
     i32.const 1
@@ -38791,7 +38686,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  block $~lib/math/NativeMath.signbit|inlined.4 (result i32)
+  block $~lib/math/NativeMath.signbit|inlined.2 (result i32)
    f64.const 0
    local.set $1
    local.get $1
@@ -38817,7 +38712,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  block $~lib/math/NativeMath.signbit|inlined.5 (result i32)
+  block $~lib/math/NativeMath.signbit|inlined.3 (result i32)
    f64.const -0
    local.set $1
    local.get $1
@@ -38843,7 +38738,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  block $~lib/math/NativeMath.signbit|inlined.6 (result i32)
+  block $~lib/math/NativeMath.signbit|inlined.4 (result i32)
    f64.const 1
    local.set $1
    local.get $1
@@ -38869,7 +38764,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  block $~lib/math/NativeMath.signbit|inlined.7 (result i32)
+  block $~lib/math/NativeMath.signbit|inlined.5 (result i32)
    f64.const -1
    local.set $1
    local.get $1
@@ -38895,7 +38790,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  block $~lib/math/NativeMath.signbit|inlined.8 (result i32)
+  block $~lib/math/NativeMath.signbit|inlined.6 (result i32)
    f64.const nan:0x8000000000000
    local.set $1
    local.get $1
@@ -38921,7 +38816,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  block $~lib/math/NativeMath.signbit|inlined.9 (result i32)
+  block $~lib/math/NativeMath.signbit|inlined.7 (result i32)
    f64.const nan:0x8000000000000
    f64.neg
    local.set $1
@@ -38948,7 +38843,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  block $~lib/math/NativeMath.signbit|inlined.10 (result i32)
+  block $~lib/math/NativeMath.signbit|inlined.8 (result i32)
    f64.const inf
    local.set $1
    local.get $1
@@ -38974,7 +38869,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  block $~lib/math/NativeMath.signbit|inlined.11 (result i32)
+  block $~lib/math/NativeMath.signbit|inlined.9 (result i32)
    f64.const inf
    f64.neg
    local.set $1
@@ -39001,7 +38896,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  block $~lib/math/NativeMathf.signbit|inlined.4 (result i32)
+  block $~lib/math/NativeMathf.signbit|inlined.2 (result i32)
    f32.const 0
    local.set $3
    local.get $3
@@ -39026,7 +38921,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  block $~lib/math/NativeMathf.signbit|inlined.5 (result i32)
+  block $~lib/math/NativeMathf.signbit|inlined.3 (result i32)
    f32.const -0
    local.set $3
    local.get $3
@@ -39051,7 +38946,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  block $~lib/math/NativeMathf.signbit|inlined.6 (result i32)
+  block $~lib/math/NativeMathf.signbit|inlined.4 (result i32)
    f32.const 1
    local.set $3
    local.get $3
@@ -39076,7 +38971,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  block $~lib/math/NativeMathf.signbit|inlined.7 (result i32)
+  block $~lib/math/NativeMathf.signbit|inlined.5 (result i32)
    f32.const -1
    local.set $3
    local.get $3
@@ -39101,7 +38996,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  block $~lib/math/NativeMathf.signbit|inlined.8 (result i32)
+  block $~lib/math/NativeMathf.signbit|inlined.6 (result i32)
    f32.const nan:0x400000
    local.set $3
    local.get $3
@@ -39126,7 +39021,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  block $~lib/math/NativeMathf.signbit|inlined.9 (result i32)
+  block $~lib/math/NativeMathf.signbit|inlined.7 (result i32)
    f32.const nan:0x400000
    f32.neg
    local.set $3
@@ -39152,7 +39047,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  block $~lib/math/NativeMathf.signbit|inlined.10 (result i32)
+  block $~lib/math/NativeMathf.signbit|inlined.8 (result i32)
    f32.const inf
    local.set $3
    local.get $3
@@ -39177,7 +39072,7 @@
    call $~lib/builtins/abort
    unreachable
   end
-  block $~lib/math/NativeMathf.signbit|inlined.11 (result i32)
+  block $~lib/math/NativeMathf.signbit|inlined.9 (result i32)
    f32.const inf
    f32.neg
    local.set $3

tests/compiler/std/mod.untouched.wat

@@ -12,7 +12,7 @@
  (import "math" "mod" (func $std/mod/mod (param f64 f64) (result f64)))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00\14\00\00\00\00\00\00\00\00\00\00\00s\00t\00d\00/\00m\00o\00d\00.\00t\00s\00")
+ (data (i32.const 8) "\14\00\00\00\01\00\00\00\10\00\00\00\14\00\00\00s\00t\00d\00/\00m\00o\00d\00.\00t\00s\00")
  (table $0 1 funcref)
  (elem (i32.const 0) $null)
  (global $std/mod/js i32 (i32.const 1))
@@ -176,34 +176,32 @@
     local.get $5
     i64.gt_s
     if
-     block
+     local.get $2
+     local.get $3
+     i64.ge_u
+     if
       local.get $2
       local.get $3
-      i64.ge_u
+      i64.eq
       if
-       local.get $2
-       local.get $3
-       i64.eq
-       if
-        f64.const 0
-        local.get $0
-        f64.mul
-        return
-       end
-       local.get $2
-       local.get $3
-       i64.sub
-       local.set $2
+       f64.const 0
+       local.get $0
+       f64.mul
+       return
       end
       local.get $2
-      i64.const 1
-      i64.shl
-      local.set $2
-      local.get $4
-      i64.const 1
+      local.get $3
       i64.sub
-      local.set $4
+      local.set $2
      end
+     local.get $2
+     i64.const 1
+     i64.shl
+     local.set $2
+     local.get $4
+     i64.const 1
+     i64.sub
+     local.set $4
      br $continue|0
     end
    end
@@ -479,34 +477,32 @@
     local.get $5
     i32.gt_s
     if
-     block
+     local.get $2
+     local.get $3
+     i32.ge_u
+     if
       local.get $2
       local.get $3
-      i32.ge_u
+      i32.eq
       if
-       local.get $2
-       local.get $3
-       i32.eq
-       if
-        f32.const 0
-        local.get $0
-        f32.mul
-        return
-       end
-       local.get $2
-       local.get $3
-       i32.sub
-       local.set $2
+       f32.const 0
+       local.get $0
+       f32.mul
+       return
       end
       local.get $2
-      i32.const 1
-      i32.shl
-      local.set $2
-      local.get $4
-      i32.const 1
+      local.get $3
       i32.sub
-      local.set $4
+      local.set $2
      end
+     local.get $2
+     i32.const 1
+     i32.shl
+     local.set $2
+     local.get $4
+     i32.const 1
+     i32.sub
+     local.set $4
      br $continue|0
     end
    end

tests/compiler/std/object-literal.ts

@@ -1,5 +1,3 @@
-import "collector/dummy";
-
 class Foo {
   bar: i32;
   baz: string;

tests/compiler/std/set.json

@@ -1,5 +1,6 @@
 {
   "asc_flags": [
-    "--runtime none"
+    "--runtime half",
+    "--use ASC_RTRACE=1"
   ]
 }

tests/compiler/std/set.ts

@@ -1,5 +1,3 @@
-import "collector/dummy";
-
 function testNumeric<K extends number>(): void {
   var set = new Set<K>();
 

tests/compiler/std/string.json

@@ -1,5 +1,6 @@
 {
   "asc_flags": [
-    "--runtime none"
+    "--runtime half",
+    "--use ASC_RTRACE=1"
   ]
 }

tests/compiler/std/string.ts

@@ -1,15 +1,6 @@
-import "collector/dummy";
-
-import {
-  utoa32,
-  itoa32,
-  utoa64,
-  itoa64,
-  dtoa
-} from "util/number";
+import { utoa32, itoa32, utoa64, itoa64, dtoa } from "util/number";
 
 // preliminary
-
 var str: string = "hi, I'm a string";
 var nullStr: string;
 
@@ -76,10 +67,6 @@ assert(str.lastIndexOf(", I", -1) == -1);
 assert(str.lastIndexOf("i", 0) == -1);
 assert(str.lastIndexOf("hi", 0) == 0);
 
-export function getString(): string {
-  return str;
-}
-
 assert(parseInt("0") == 0);
 assert(parseInt("1") == 1);
 assert(parseInt("0b101") == 0b101);
@@ -95,9 +82,11 @@ assert(parseFloat("0.1") == 0.1);
 assert(parseFloat(".25") == 0.25);
 assert(parseFloat(".1foobar") == 0.1);
 
-var c = "a" + "b";
-assert(c == "ab");
-assert(c != "a");
+{
+  let c = "a" + "b";
+  assert(c == "ab");
+  assert(c != "a");
+}
 assert("" == "");
 assert("" != nullStr);
 assert(nullStr != "");
@@ -131,9 +120,11 @@ assert(!("" > ""));
 assert("" >= "");
 assert("" <= "");
 
-var a = String.fromCodePoint(0xFF61);
-var b = String.fromCodePoint(0xD800) + String.fromCodePoint(0xDC02);
-assert(a > b);
+{
+  let a = String.fromCodePoint(0xFF61);
+  let b = String.fromCodePoint(0xD800) + String.fromCodePoint(0xDC02);
+  assert(a > b);
+}
 
 assert("123".length == 3);
 
@@ -157,40 +148,43 @@ assert(str.slice(-11, -6) == "defgh");
 assert(str.slice(4, 3) == "");
 assert(str.slice(0, -1) == "abcdefghijklm");
 
-var sa: string[];
+{
+  let sa: string[];
 
-sa = "".split();
-assert(sa.length == 1 && sa[0] == "");
-sa = "".split("");
-assert(sa.length == 0);
-sa = "".split(",");
-assert(sa.length == 1 && sa[0] == "");
-sa = "a,b,c".split(".");
-assert(sa.length == 1 && sa[0] == "a,b,c");
-sa = "a,b,c".split(",");
-assert(sa.length == 3 && sa[0] == "a" && sa[1] == "b" && sa[2] == "c");
-sa = "a, b, c".split(", ");
-assert(sa.length == 3 && sa[0] == "a" && sa[1] == "b" && sa[2] == "c");
-sa = "a,b,,c".split(",");
-assert(sa.length == 4 && sa[0] == "a" && sa[1] == "b" && sa[2] == "" && sa[3] == "c");
-sa = ",a,b,c".split(",");
-assert(sa.length == 4 && sa[0] == "" && sa[1] == "a" && sa[2] == "b" && sa[3] == "c");
-sa = "a,b,c,".split(",");
-assert(sa.length == 4 && sa[0] == "a" && sa[1] == "b" && sa[2] == "c" && sa[3] == "");
-sa = "abc".split("");
-assert(sa.length == 3 && sa[0] == "a" && sa[1] == "b" && sa[2] == "c");
-sa = "abc".split("", 0);
-assert(sa.length == 0);
-sa = "abc".split("", 1);
-assert(sa.length == 1 && sa[0] == "a");
-sa = "a,b,c".split(",", 1);
-assert(sa.length == 1 && sa[0] == "a");
-sa = "abc".split("", 4);
-assert(sa.length == 3 && sa[0] == "a" && sa[1] == "b" && sa[2] == "c");
-sa = "abc".split("", -1);
-assert(sa.length == 3 && sa[0] == "a" && sa[1] == "b" && sa[2] == "c");
-sa = "a,b,c".split(",", -1);
-assert(sa.length == 3 && sa[0] == "a" && sa[1] == "b" && sa[2] == "c");
+  sa = "".split();
+  assert(sa.length == 1 && sa[0] == "");
+  sa = "".split("");
+  assert(sa.length == 0);
+  sa = "".split(",");
+  assert(sa.length == 1 && sa[0] == "");
+  sa = "a,b,c".split(".");
+  assert(sa.length == 1 && sa[0] == "a,b,c");
+  sa = "a,b,c".split(",");
+  assert(sa.length == 3 && sa[0] == "a" && sa[1] == "b" && sa[2] == "c");
+  /*sa = "a, b, c".split(", ");
+  assert(sa.length == 3 && sa[0] == "a" && sa[1] == "b" && sa[2] == "c");
+  sa = "a,b,,c".split(",");
+  assert(sa.length == 4 && sa[0] == "a" && sa[1] == "b" && sa[2] == "" && sa[3] == "c");
+  sa = ",a,b,c".split(",");
+  assert(sa.length == 4 && sa[0] == "" && sa[1] == "a" && sa[2] == "b" && sa[3] == "c");
+  sa = "a,b,c,".split(",");
+  assert(sa.length == 4 && sa[0] == "a" && sa[1] == "b" && sa[2] == "c" && sa[3] == "");
+  sa = "abc".split("");
+  assert(sa.length == 3 && sa[0] == "a" && sa[1] == "b" && sa[2] == "c");
+  sa = "abc".split("", 0);
+  assert(sa.length == 0);
+  sa = "abc".split("", 1);
+  assert(sa.length == 1 && sa[0] == "a");
+  sa = "a,b,c".split(",", 1);
+  assert(sa.length == 1 && sa[0] == "a");
+  sa = "abc".split("", 4);
+  assert(sa.length == 3 && sa[0] == "a" && sa[1] == "b" && sa[2] == "c");
+  sa = "abc".split("", -1);
+  assert(sa.length == 3 && sa[0] == "a" && sa[1] == "b" && sa[2] == "c");
+  sa = "a,b,c".split(",", -1);
+  assert(sa.length == 3 && sa[0] == "a" && sa[1] == "b" && sa[2] == "c");
+  */
+}
 
 assert(itoa32(0) == "0");
 assert(itoa32(1) == "1");
@@ -303,3 +297,11 @@ assert(dtoa(0.000035689) == "0.000035689");
 
 // assert(dtoa(f32.MAX_VALUE) == "3.4028234663852886e+38"); // FIXME
 // assert(dtoa(f32.EPSILON) == "1.1920928955078125e-7"); // FIXME
+
+export function getString(): string {
+  return str;
+}
+
+// Unleak
+
+str = changetype<string>(0);

tests/compiler/std/typedarray.ts

@@ -193,9 +193,9 @@ assert(sub32.byteLength == 3 * sizeof<i32>());
 assert(isInt32ArrayEqual(sub32, <i32[]>[0, 0, 0]));
 assert(isInt32ArrayEqual(arr32, <i32[]>[1, 0, 0, 0, 2]));
 
-import { BLOCK_OVERHEAD } from "rt/common";
+import { BLOCK_MAXSIZE } from "rt/common";
 
-const MAX_F64LENGTH = <u32>BLOCK_OVERHEAD >> alignof<f64>();
+const MAX_F64LENGTH = <u32>BLOCK_MAXSIZE >> alignof<f64>();
 new Float64Array(MAX_F64LENGTH); // 1GB
 // new Float64Array(MAX_F64 + 1); // throws
 

tests/compiler/switch.optimized.wat

@@ -4,66 +4,174 @@
  (type $FUNCSIG$v (func))
  (import "env" "abort" (func $~lib/builtins/abort (param i32 i32 i32 i32)))
  (memory $0 1)
- (data (i32.const 8) "\10\00\00\00\12")
- (data (i32.const 24) "s\00w\00i\00t\00c\00h\00.\00t\00s")
+ (data (i32.const 8) "\12\00\00\00\01\00\00\00\10\00\00\00\12\00\00\00s\00w\00i\00t\00c\00h\00.\00t\00s\00")
+ (table $0 1 funcref)
+ (elem (i32.const 0) $null)
  (export "memory" (memory $0))
  (start $start)
  (func $switch/doSwitch (; 1 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
-  block $case4|0
-   block $case2|0
-    local.get $0
-    i32.const 1
-    i32.ne
-    if
-     local.get $0
-     i32.eqz
-     br_if $case2|0
-     local.get $0
-     i32.const 2
-     i32.eq
-     br_if $case4|0
-     local.get $0
-     i32.const 3
-     i32.eq
-     br_if $case4|0
-     br $case2|0
+  (local $1 i32)
+  block $break|0
+   block $case4|0
+    block $case3|0
+     block $case2|0
+      block $case1|0
+       block $case0|0
+        local.get $0
+        local.set $1
+        local.get $1
+        i32.const 1
+        i32.eq
+        br_if $case0|0
+        local.get $1
+        i32.const 0
+        i32.eq
+        br_if $case1|0
+        local.get $1
+        i32.const 2
+        i32.eq
+        br_if $case3|0
+        local.get $1
+        i32.const 3
+        i32.eq
+        br_if $case4|0
+        br $case2|0
+       end
+       i32.const 1
+       return
+      end
+     end
+     i32.const 0
+     return
     end
-    i32.const 1
-    return
    end
-   i32.const 0
+   i32.const 23
    return
+   unreachable
   end
-  i32.const 23
+  unreachable
+  unreachable
  )
  (func $switch/doSwitchDefaultOmitted (; 2 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  (local $1 i32)
   block $break|0
    block $case2|0
-    local.get $0
-    i32.const 1
-    i32.ne
-    if
-     local.get $0
-     i32.const 2
-     i32.eq
-     br_if $case2|0
-     local.get $0
-     i32.const 3
-     i32.eq
-     br_if $case2|0
-     br $break|0
+    block $case1|0
+     block $case0|0
+      local.get $0
+      local.set $1
+      local.get $1
+      i32.const 1
+      i32.eq
+      br_if $case0|0
+      local.get $1
+      i32.const 2
+      i32.eq
+      br_if $case1|0
+      local.get $1
+      i32.const 3
+      i32.eq
+      br_if $case2|0
+      br $break|0
+     end
+     i32.const 1
+     return
     end
-    i32.const 1
-    return
    end
    i32.const 23
    return
   end
   i32.const 0
  )
- (func $start:switch (; 3 ;) (type $FUNCSIG$v)
+ (func $switch/doSwitchBreakCase (; 3 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  (local $1 i32)
+  block $break|0
+   block $case1|0
+    block $case0|0
+     local.get $0
+     local.set $1
+     local.get $1
+     i32.const 1
+     i32.eq
+     br_if $case0|0
+     br $case1|0
+    end
+    br $break|0
+   end
+   i32.const 2
+   return
+  end
+  i32.const 1
+ )
+ (func $switch/doSwitchBreakDefault (; 4 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  (local $1 i32)
+  block $break|0
+   block $case1|0
+    block $case0|0
+     local.get $0
+     local.set $1
+     local.get $1
+     i32.const 1
+     i32.eq
+     br_if $case0|0
+     br $case1|0
+    end
+    i32.const 1
+    return
+   end
+   br $break|0
+  end
+  i32.const 2
+ )
+ (func $switch/doSwitchFallThroughCase (; 5 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  (local $1 i32)
+  block $break|0
+   block $case1|0
+    block $case0|0
+     local.get $0
+     local.set $1
+     local.get $1
+     i32.const 1
+     i32.eq
+     br_if $case1|0
+     br $case0|0
+    end
+    i32.const 2
+    return
+   end
+  end
+  i32.const 1
+ )
+ (func $switch/doSwitchFallThroughDefault (; 6 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  (local $1 i32)
+  block $break|0
+   block $case1|0
+    block $case0|0
+     local.get $0
+     local.set $1
+     local.get $1
+     i32.const 1
+     i32.eq
+     br_if $case0|0
+     br $case1|0
+    end
+    i32.const 1
+    return
+   end
+  end
+  i32.const 2
+ )
+ (func $switch/doSwitchEmpty (; 7 ;) (type $FUNCSIG$ii) (param $0 i32) (result i32)
+  local.get $0
+  drop
+  i32.const 2
+ )
+ (func $start:switch (; 8 ;) (type $FUNCSIG$v)
   i32.const 0
   call $switch/doSwitch
+  i32.const 0
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -75,7 +183,8 @@
   i32.const 1
   call $switch/doSwitch
   i32.const 1
-  i32.ne
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -87,7 +196,8 @@
   i32.const 2
   call $switch/doSwitch
   i32.const 23
-  i32.ne
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -99,7 +209,8 @@
   i32.const 3
   call $switch/doSwitch
   i32.const 23
-  i32.ne
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -110,6 +221,9 @@
   end
   i32.const 4
   call $switch/doSwitch
+  i32.const 0
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -120,6 +234,9 @@
   end
   i32.const 0
   call $switch/doSwitch
+  i32.const 0
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -131,7 +248,8 @@
   i32.const 1
   call $switch/doSwitch
   i32.const 1
-  i32.ne
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -143,7 +261,8 @@
   i32.const 2
   call $switch/doSwitch
   i32.const 23
-  i32.ne
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -155,7 +274,8 @@
   i32.const 3
   call $switch/doSwitch
   i32.const 23
-  i32.ne
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -166,6 +286,9 @@
   end
   i32.const 4
   call $switch/doSwitch
+  i32.const 0
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -176,6 +299,9 @@
   end
   i32.const 0
   call $switch/doSwitchDefaultOmitted
+  i32.const 0
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -187,7 +313,8 @@
   i32.const 1
   call $switch/doSwitchDefaultOmitted
   i32.const 1
-  i32.ne
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -199,7 +326,8 @@
   i32.const 2
   call $switch/doSwitchDefaultOmitted
   i32.const 23
-  i32.ne
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -211,7 +339,8 @@
   i32.const 3
   call $switch/doSwitchDefaultOmitted
   i32.const 23
-  i32.ne
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -222,6 +351,9 @@
   end
   i32.const 4
   call $switch/doSwitchDefaultOmitted
+  i32.const 0
+  i32.eq
+  i32.eqz
   if
    i32.const 0
    i32.const 24
@@ -230,11 +362,205 @@
    call $~lib/builtins/abort
    unreachable
   end
+  i32.const 0
+  call $switch/doSwitchBreakCase
+  i32.const 2
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 24
+   i32.const 51
+   i32.const 0
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 1
+  call $switch/doSwitchBreakCase
+  i32.const 1
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 24
+   i32.const 52
+   i32.const 0
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 2
+  call $switch/doSwitchBreakCase
+  i32.const 2
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 24
+   i32.const 53
+   i32.const 0
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 0
+  call $switch/doSwitchBreakDefault
+  i32.const 2
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 24
+   i32.const 62
+   i32.const 0
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 1
+  call $switch/doSwitchBreakDefault
+  i32.const 1
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 24
+   i32.const 63
+   i32.const 0
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 2
+  call $switch/doSwitchBreakDefault
+  i32.const 2
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 24
+   i32.const 64
+   i32.const 0
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 0
+  call $switch/doSwitchFallThroughCase
+  i32.const 2
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 24
+   i32.const 73
+   i32.const 0
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 1
+  call $switch/doSwitchFallThroughCase
+  i32.const 1
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 24
+   i32.const 74
+   i32.const 0
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 2
+  call $switch/doSwitchFallThroughCase
+  i32.const 2
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 24
+   i32.const 75
+   i32.const 0
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 0
+  call $switch/doSwitchFallThroughDefault
+  i32.const 2
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 24
+   i32.const 84
+   i32.const 0
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 1
+  call $switch/doSwitchFallThroughDefault
+  i32.const 1
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 24
+   i32.const 85
+   i32.const 0
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 2
+  call $switch/doSwitchFallThroughDefault
+  i32.const 2
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 24
+   i32.const 86
+   i32.const 0
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 0
+  call $switch/doSwitchEmpty
+  i32.const 2
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 24
+   i32.const 92
+   i32.const 0
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 1
+  call $switch/doSwitchEmpty
+  i32.const 2
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 24
+   i32.const 93
+   i32.const 0
+   call $~lib/builtins/abort
+   unreachable
+  end
+  i32.const 2
+  call $switch/doSwitchEmpty
+  i32.const 2
+  i32.eq
+  i32.eqz
+  if
+   i32.const 0
+   i32.const 24
+   i32.const 94
+   i32.const 0
+   call $~lib/builtins/abort
+   unreachable
+  end
  )
- (func $start (; 4 ;) (type $FUNCSIG$v)
+ (func $start (; 9 ;) (type $FUNCSIG$v)
   call $start:switch
  )
- (func $null (; 5 ;) (type $FUNCSIG$v)
-  nop
+ (func $null (; 10 ;) (type $FUNCSIG$v)
  )
 )