06697f7a82
stress_flush_bytecode controls stress flushing of both bytecode and baseline code. So rename the flag to better reflect its functionality Bug: v8:11947 Change-Id: Ie6c124a476c3a7c6eabd1d75de030ee15fe78e32 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3062567 Commit-Queue: Mythri Alle <mythria@chromium.org> Reviewed-by: Michael Achenbach <machenbach@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Reviewed-by: Omer Katz <omerkatz@chromium.org> Cr-Commit-Position: refs/heads/master@{#76043}
53 lines
1.8 KiB
JavaScript
53 lines
1.8 KiB
JavaScript
// Copyright 2017 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: --allow-natives-syntax --no-always-opt --opt
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// Flags: --no-stress-flush-code --turbo-inlining
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// Files: test/mjsunit/code-coverage-utils.js
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if (isNeverOptimizeLiteMode()) {
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print("Warning: skipping test that requires optimization in Lite mode.");
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testRunner.quit(0);
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}
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%DebugToggleBlockCoverage(true);
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TestCoverage(
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"optimized and inlined functions",
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`
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function g() { if (true) nop(); } // 0000
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function f() { g(); g(); } // 0050
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%PrepareFunctionForOptimization(f); // 0100
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f(); f(); %OptimizeFunctionOnNextCall(f); // 0150
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f(); f(); f(); f(); f(); f(); // 0200
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`,
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[{"start":0,"end":249,"count":1},
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{"start":0,"end":33,"count":16},
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{"start":50,"end":76,"count":8}]
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);
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// This test is tricky: it requires a non-toplevel, optimized function.
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// After initial collection, counts are cleared. Further invocation_counts
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// are not collected for optimized functions, and on the next coverage
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// collection we and up with an uncovered function with an uncovered parent
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// but with non-trivial block coverage.
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TestCoverage("Partial coverage collection",
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`
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!function() { // 0000
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function f(x) { // 0050
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if (x) { nop(); } else { nop(); } // 0100
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} // 0150
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%PrepareFunctionForOptimization(f); // 0200
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f(true); f(true); // 0250
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%OptimizeFunctionOnNextCall(f); // 0300
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%DebugCollectCoverage(); // 0350
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f(false); // 0400
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}(); // 0450
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`,
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[{"start":52,"end":153,"count":1},
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{"start":111,"end":121,"count":0}]
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);
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%DebugToggleBlockCoverage(false);
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