From d6b94d4c33ffa2ec69a62926994af17db7d92522 Mon Sep 17 00:00:00 2001
From: dcodeIO <dcode@dcode.io>
Date: Fri, 8 Dec 2017 16:31:42 +0100
Subject: [PATCH] Things the optimizer does not catch

---
 tests/compiler/memcpy.optimized.wast |  5 +----
 tests/compiler/memcpy.ts             |  2 +-
 tests/compiler/memcpy.wast           | 14 ++++----------
 3 files changed, 6 insertions(+), 15 deletions(-)

diff --git a/tests/compiler/memcpy.optimized.wast b/tests/compiler/memcpy.optimized.wast
index f6a78364..dcfb3e07 100644
--- a/tests/compiler/memcpy.optimized.wast
+++ b/tests/compiler/memcpy.optimized.wast
@@ -17,10 +17,7 @@
    (if
     (if (result i32)
      (tee_local $3
-      (i32.ne
-       (get_local $2)
-       (i32.const 0)
-      )
+      (get_local $2)
      )
      (i32.rem_s
       (get_local $1)
diff --git a/tests/compiler/memcpy.ts b/tests/compiler/memcpy.ts
index e7638568..253e4b8a 100644
--- a/tests/compiler/memcpy.ts
+++ b/tests/compiler/memcpy.ts
@@ -4,7 +4,7 @@ export function memcpy(dest: usize, src: usize, n: usize): usize {
   let w: u32, x: u32;
 
   // copy 1 byte each until src is aligned to 4 bytes
-  while (n != 0 && s % 4 != 0) {
+  while (n && s % 4) {
     store<u8>(d++, load<u8>(s++));
     n--;
   }
diff --git a/tests/compiler/memcpy.wast b/tests/compiler/memcpy.wast
index d99abf52..06909bdb 100644
--- a/tests/compiler/memcpy.wast
+++ b/tests/compiler/memcpy.wast
@@ -108,17 +108,11 @@
     (if
      (if (result i32)
       (tee_local $7
-       (i32.ne
-        (get_local $2)
-        (i32.const 0)
-       )
+       (get_local $2)
       )
-      (i32.ne
-       (i32.rem_s
-        (get_local $4)
-        (i32.const 4)
-       )
-       (i32.const 0)
+      (i32.rem_s
+       (get_local $4)
+       (i32.const 4)
       )
       (get_local $7)
      )