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89 lines
3.1 KiB
JavaScript
89 lines
3.1 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 --ignition-osr --opt
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// Flags: --no-always-opt
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// Can't OSR with always-opt or in Lite mode.
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if (isNeverOptimizeLiteMode()) {
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print("Warning: skipping test that requires optimization in Lite mode.");
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quit(0);
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}
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assertFalse(isAlwaysOptimize());
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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 < 10; i++) %OptimizeOsr();
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// Note: this check can't be wrapped in a function, because
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// calling that function causes a deopt from lack of call
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// feedback.
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var opt_status = %GetOptimizationStatus(f);
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assertTrue(
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(opt_status & V8OptimizationStatus.kMaybeDeopted) !== 0 ||
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(opt_status & V8OptimizationStatus.kTopmostFrameIsTurboFanned) !== 0);
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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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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 < 10; i++) %OptimizeOsr();
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var opt_status = %GetOptimizationStatus(g);
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assertTrue(
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(opt_status & V8OptimizationStatus.kMaybeDeopted) !== 0 ||
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(opt_status &
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V8OptimizationStatus.kTopmostFrameIsTurboFanned) !== 0);
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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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