345cc98a25
- Constants globals are inlined into Hydrogen code using code dependencies that invalidate the Crankshafted code when global PropertyCells or the global object change. - The more general case generates code that is just as good as the hand-written assembly stubs on all platforms. R=rossberg@chromium.org, ulan@chromium.org Committed: http://code.google.com/p/v8/source/detail?r=15419 Review URL: https://codereview.chromium.org/16925008 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15512 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
75 lines
2.4 KiB
JavaScript
75 lines
2.4 KiB
JavaScript
// Copyright 2013 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: --use-osr --allow-natives-syntax
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function f() {
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do {
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do {
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for (var i = 0; i < 10000000; i++) {
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// This should run long enough to trigger OSR.
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}
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} while (false);
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} while (false);
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}
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f();
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assertTrue(%GetOptimizationStatus(f) != 2);
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function g() {
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for (var i = 0; i < 1; i++) { }
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do {
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do {
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for (var i = 0; i < 1; i++) { }
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} while (false);
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} while (false);
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do {
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do {
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do {
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do {
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do {
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do {
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do {
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do {
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for (var i = 0; i < 10000000; i++) { }
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} while (false);
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} while (false);
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} while (false);
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} while (false);
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} while (false);
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} while (false);
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} while (false);
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} while (false);
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}
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g();
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assertTrue(%GetOptimizationStatus(g) != 2);
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