a668cd6fc8
This adds context deoptimization to Turbofan and Crankshaft (also submitted separately as https://codereview.chromium.org/515723004/). The second patchset removes the deoptimization/continuation block from calls. BUG= R=bmeurer@chromium.org Review URL: https://codereview.chromium.org/522873002 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23547 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
66 lines
2.3 KiB
JavaScript
66 lines
2.3 KiB
JavaScript
// Copyright 2012 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: --expose-debug-as debug
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// Flags: --turbo-deoptimization
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Debug = debug.Debug;
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Debug.setListener(listener);
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var fourteen;
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var four_in_debugger = [];
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function listener(event, exec_state, event_data, data) {
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if (event == Debug.DebugEvent.Break) {
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for (var i = 0; i < exec_state.frameCount(); i++) {
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var frame = exec_state.frame(i);
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four_in_debugger[i] = frame.evaluate("four", false).value();
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}
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}
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}
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function f1() {
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var three = 3;
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var four = 4;
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(function f2() {
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var seven = 7;
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(function f3() {
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debugger;
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fourteen = three + four + seven;
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})();
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})();
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}
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f1();
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assertEquals(14, fourteen);
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assertEquals(4, four_in_debugger[0]);
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assertEquals(4, four_in_debugger[1]);
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assertEquals(4, four_in_debugger[2]);
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Debug.setListener(null);
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