289b25765a
This adds either %EnsureFeedbackVectorForFunction or %PrepareFunctionForOptimization to allocate feedback vectors when testing optimization, allocation sites, IC transitions etc., Bug: v8:8394 Change-Id: I6ad1b6d460e4abda693b326cddb87754e080a0a1 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1593303 Commit-Queue: Mythri Alle <mythria@chromium.org> Auto-Submit: Mythri Alle <mythria@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Cr-Commit-Position: refs/heads/master@{#61212}
35 lines
796 B
JavaScript
35 lines
796 B
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 --opt --no-always-opt
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function foo(i, deopt = false, deoptobj = null) {
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if (i == 0) {
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if (deopt) {
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// Trigger a soft deopt.
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deoptobj.bar();
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}
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} else {
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foo(i - 1, deopt, deoptobj);
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}
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}
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assertEquals(0, %GetDeoptCount(foo));
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%PrepareFunctionForOptimization(foo);
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foo(10);
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foo(10);
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%OptimizeFunctionOnNextCall(foo);
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foo(10);
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assertOptimized(foo);
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assertEquals(0, %GetDeoptCount(foo));
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foo(10, true, { bar: function(){} });
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assertUnoptimized(foo);
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// Soft deopts don't count to the deopt count.
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assertEquals(0, %GetDeoptCount(foo));
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