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Infer u32 from 32-bit integer literals if MSB is set

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This commit is contained in:
dcodeIO
2018-06-21 22:47:37 +02:00
parent c74eed2bd8
commit 525795b354
12 changed files with 101 additions and 27 deletions
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14
src/compiler.ts
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@ -5979,9 +5979,12 @@ export class Compiler extends DiagnosticEmitter {
if (i64_is_u16(intValue)) return module.createI32(i64_low(intValue));
break;
}
case TypeKind.I32:
case TypeKind.I32: {
if (i64_is_i32(intValue)) return module.createI32(i64_low(intValue));
break;
}
case TypeKind.U32: {
if (i64_is_i32(intValue) || i64_is_u32(intValue)) return module.createI32(i64_low(intValue));
if (i64_is_u32(intValue)) return module.createI32(i64_low(intValue));
break;
}
case TypeKind.BOOL: {
@ -5990,14 +5993,14 @@ export class Compiler extends DiagnosticEmitter {
}
case TypeKind.ISIZE: {
if (!this.options.isWasm64) {
if (i64_is_i32(intValue) || i64_is_u32(intValue)) return module.createI32(i64_low(intValue));
if (i64_is_i32(intValue)) return module.createI32(i64_low(intValue));
break;
}
return module.createI64(i64_low(intValue), i64_high(intValue));
}
case TypeKind.USIZE: {
if (!this.options.isWasm64) {
if (i64_is_i32(intValue) || i64_is_u32(intValue)) return module.createI32(i64_low(intValue));
if (i64_is_u32(intValue)) return module.createI32(i64_low(intValue));
break;
}
return module.createI64(i64_low(intValue), i64_high(intValue));
@ -6028,6 +6031,9 @@ export class Compiler extends DiagnosticEmitter {
if (i64_is_i32(intValue)) {
this.currentType = Type.i32;
return module.createI32(i64_low(intValue));
} else if (i64_is_u32(intValue)) {
this.currentType = Type.u32;
return module.createI32(i64_low(intValue));
} else {
this.currentType = Type.i64;
return module.createI64(i64_low(intValue), i64_high(intValue));