diff options
Diffstat (limited to 'deps/v8/test/mjsunit/asm/load-elimination.js')
-rw-r--r-- | deps/v8/test/mjsunit/asm/load-elimination.js | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/asm/load-elimination.js b/deps/v8/test/mjsunit/asm/load-elimination.js new file mode 100644 index 0000000000..cdc996222e --- /dev/null +++ b/deps/v8/test/mjsunit/asm/load-elimination.js @@ -0,0 +1,26 @@ +// Copyright 2016 the V8 project authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +// Flags: --allow-natives-syntax + +var stdlib = this; +var foreign = {}; +var heap = new ArrayBuffer(64 * 1024 * 1024); + +var foo = (function(stdlib, foreign, heap) { + "use asm"; + var M16 = new Int16Array(heap); + var M32 = new Int32Array(heap); + function foo() { + M32[0] = 0x12341234; + var i = M32[0]; + return M16[0]; + } + return foo; +})(stdlib, foreign, heap); + +assertEquals(0x1234, foo()); +assertEquals(0x1234, foo()); +%OptimizeFunctionOnNextCall(foo); +assertEquals(0x1234, foo()); |