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Issue 828313002: [turbofan] Truncation of Bit/Word8/16 to Word32 is a no-op. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 11 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 var foo = (function Module(stdlib, foreign, heap) { 5 var foo = (function Module(global, env, buffer) {
6 "use asm"; 6 "use asm";
7 var MEM16 = new stdlib.Int16Array(heap); 7 var i8 = new global.Int8Array(buffer);
8 function foo(i) { 8 function foo() { i8[0] += 4294967295; }
9 i = i|0;
10 i = MEM16[i + 2147483650 >> 1]|0;
11 return i;
12 }
13 return { foo: foo }; 9 return { foo: foo };
14 })(this, {}, new ArrayBuffer(64 * 1024)).foo; 10 })(this, {}, new ArrayBuffer(64 * 1024)).foo;
15 11 foo();
16 foo(0);
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