7d9ad5a69e
R=bmeurer@chromium.org Bug: v8:7421 Change-Id: Iacdd8d294c02b7feb72e3a0bb397930e91197ae7 Reviewed-on: https://chromium-review.googlesource.com/926124 Commit-Queue: Yang Guo <yangguo@chromium.org> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org> Cr-Commit-Position: refs/heads/master@{#51391}
79 lines
1.7 KiB
JavaScript
79 lines
1.7 KiB
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --block-concurrent-recompilation
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Debug = debug.Debug
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// Test that the side-effect check is not bypassed in optimized code.
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var exception = null;
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var counter = 0;
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function f1() {
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counter++;
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}
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function wrapper1() {
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for (var i = 0; i < 4; i++) {
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// Get this function optimized before calling to increment.
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// Check that that call performs the necessary side-effect checks.
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%OptimizeOsr();
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}
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f1();
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}
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function f2() {
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counter++;
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}
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function wrapper2(call) {
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if (call) f2();
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}
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function listener(event, exec_state, event_data, data) {
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if (event != Debug.DebugEvent.Break) return;
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try {
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function success(expectation, source) {
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assertEquals(expectation,
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exec_state.frame(0).evaluate(source, true).value());
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}
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function fail(source) {
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assertThrows(() => exec_state.frame(0).evaluate(source, true),
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EvalError);
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}
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wrapper1();
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wrapper1();
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fail("wrapper1()");
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wrapper2(true);
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wrapper2(false);
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wrapper2(true);
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%OptimizeFunctionOnNextCall(wrapper2);
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wrapper2(false);
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fail("wrapper2(true)");
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fail("%OptimizeFunctionOnNextCall(wrapper2); wrapper2(true)");
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%OptimizeFunctionOnNextCall(wrapper2, "concurrent");
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wrapper2(false);
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fail("%UnblockConcurrentRecompilation();" +
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"%GetOptimizationStatus(wrapper2, 'sync');" +
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"wrapper2(true);");
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} catch (e) {
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exception = e;
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print(e, e.stack);
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}
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};
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// Add the debug event listener.
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Debug.setListener(listener);
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function f() {
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debugger;
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};
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f();
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assertNull(exception);
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