af29e31a11
This makes the evaluation order consistent between full codegen and Hydrogen (so that deopt does not screw up stack). R=jkummerow@chromium.org BUG= Review URL: https://codereview.chromium.org/159983008 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19326 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
86 lines
2.7 KiB
JavaScript
86 lines
2.7 KiB
JavaScript
// Copyright 2014 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Flags: --allow-natives-syntax
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(function OneByteSeqStringSetCharDeoptOsr() {
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function deopt() {
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%DeoptimizeFunction(f);
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}
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function f(string, osr) {
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var world = " world";
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%_OneByteSeqStringSetChar(string, 0, (deopt(), 0x48));
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if (osr) while (%GetOptimizationStatus(f) == 2) {}
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return string + world;
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}
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assertEquals("Hello " + "world", f("hello", false));
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%OptimizeFunctionOnNextCall(f);
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assertEquals("Hello " + "world", f("hello", true));
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})();
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(function OneByteSeqStringSetCharDeopt() {
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function deopt() {
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%DeoptimizeFunction(f);
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}
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function g(x) {
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}
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function f(string) {
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g(%_OneByteSeqStringSetChar(string, 0, (deopt(), 0x48)));
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return string;
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}
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assertEquals("Hell" + "o", f("hello"));
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%OptimizeFunctionOnNextCall(f);
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assertEquals("Hell" + "o", f("hello"));
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})();
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(function TwoByteSeqStringSetCharDeopt() {
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function deopt() {
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%DeoptimizeFunction(f);
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}
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function g(x) {
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}
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function f(string) {
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g(%_TwoByteSeqStringSetChar(string, 0, (deopt(), 0x48)));
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return string;
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}
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assertEquals("Hell" + "o", f("\u20ACello"));
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%OptimizeFunctionOnNextCall(f);
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assertEquals("Hell" + "o", f("\u20ACello"));
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})();
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