e3e8ea5d65
To be consistent with the all the other tiers and avoid confusion, we rename --opt to ---turbofan, and --always-opt to --always-turbofan. Change-Id: Ie23dc8282b3fb4cf2fbf73b6c3d5264de5d09718 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3610431 Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Camillo Bruni <cbruni@chromium.org> Reviewed-by: Jakob Linke <jgruber@chromium.org> Cr-Commit-Position: refs/heads/main@{#80336}
90 lines
2.3 KiB
JavaScript
90 lines
2.3 KiB
JavaScript
// Copyright 2021 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: --expose-gc --stress-flush-code --allow-natives-syntax
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// Flags: --baseline-batch-compilation-threshold=0 --sparkplug
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// Flags: --no-always-sparkplug --lazy-feedback-allocation
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// Flags: --flush-baseline-code --flush-bytecode --no-turbofan
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// Flags: --no-stress-concurrent-inlining
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// Flags: --no-concurrent-sparkplug
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function HasBaselineCode(f) {
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let opt_status = %GetOptimizationStatus(f);
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return (opt_status & V8OptimizationStatus.kBaseline) !== 0;
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}
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function HasByteCode(f) {
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let opt_status = %GetOptimizationStatus(f);
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return (opt_status & V8OptimizationStatus.kInterpreted) !== 0;
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}
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var x = {b:20, c:30};
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function f() {
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return x.b + 10;
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}
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// Test bytecode gets flushed
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f();
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assertTrue(HasByteCode(f));
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gc();
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assertFalse(HasByteCode(f));
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// Test baseline code and bytecode gets flushed
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for (i = 1; i < 50; i++) {
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f();
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}
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assertTrue(HasBaselineCode(f));
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gc();
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assertFalse(HasBaselineCode(f));
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assertFalse(HasByteCode(f));
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// Check bytecode isn't flushed if it's held strongly from somewhere but
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// baseline code is flushed.
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function f1(should_recurse) {
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if (should_recurse) {
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assertTrue(HasByteCode(f1));
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for (i = 1; i < 50; i++) {
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f1(false);
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}
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assertTrue(HasBaselineCode(f1));
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gc();
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// TODO(jgruber, v8:12161): No longer true since we now always tier up to
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// available Sparkplug code as early as possible. By the time we reach this
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// assert, SP code is being executed and is thus alive.
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// assertFalse(HasBaselineCode(f1));
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// Also, the active tier is Sparkplug and not Ignition.
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// assertTrue(ActiveTierIsIgnition(f1));
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}
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return x.b + 10;
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}
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f1(false);
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// Recurse first time so we have bytecode array on the stack that keeps
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// bytecode alive.
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f1(true);
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// Flush bytecode
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gc();
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assertFalse(HasBaselineCode(f1));
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assertFalse(HasByteCode(f1));
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// Check baseline code and bytecode aren't flushed if baseline code is on
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// stack.
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function f2(should_recurse) {
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if (should_recurse) {
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assertTrue(HasBaselineCode(f2));
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f2(false);
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gc();
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assertTrue(HasBaselineCode(f2));
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}
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return x.b + 10;
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}
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for (i = 1; i < 50; i++) {
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f2(false);
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}
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assertTrue(HasBaselineCode(f2));
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// Recurse with baseline code on stack
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f2(true);
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