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
91 lines
3.0 KiB
JavaScript
91 lines
3.0 KiB
JavaScript
// Copyright 2011 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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// This test tests that full code compiled without debug break slots
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// is recompiled with debug break slots when debugging is started.
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// Get the Debug object exposed from the debug context global object.
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Debug = debug.Debug
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var bp;
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var done = false;
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var step_count = 0;
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// Debug event listener which steps until the global variable done is true.
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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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if (!done) exec_state.prepareStep(Debug.StepAction.StepNext);
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step_count++;
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}
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};
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// Set the global variables state to prpare the stepping test.
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function prepare_step_test() {
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done = false;
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step_count = 0;
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}
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// Test function to step through.
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function f() {
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var i = 1;
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var j = 2;
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done = true;
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};
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prepare_step_test();
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f();
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// Add the debug event listener.
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Debug.setListener(listener);
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bp = Debug.setBreakPoint(f, 1);
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prepare_step_test();
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f();
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assertEquals(4, step_count);
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Debug.clearBreakPoint(bp);
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// Set a breakpoint on the first var statement (line 1).
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bp = Debug.setBreakPoint(f, 1);
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// Step through the function ensuring that the var statements are hit as well.
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prepare_step_test();
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f();
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assertEquals(4, step_count);
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// Clear the breakpoint and check that no stepping happens.
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Debug.clearBreakPoint(bp);
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prepare_step_test();
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f();
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assertEquals(0, step_count);
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// Get rid of the debug event listener.
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Debug.setListener(null);
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