be1fcdc9d2
This CL introduces a d8-only flag --expose-fast-api which enables the test FastCAPI object if the --turbo-fast-api-calls flag is enabled. It also disables --stress-snapshot, which is incompatible with fast calls. Bug: v8:12137 Change-Id: I01e8321726b78be660fd6554225999bfc94006c3 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3117485 Reviewed-by: Toon Verwaest <verwaest@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: Maya Lekova <mslekova@chromium.org> Cr-Commit-Position: refs/heads/main@{#76505}
37 lines
1.1 KiB
JavaScript
37 lines
1.1 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: --turbo-fast-api-calls --expose-fast-api --allow-natives-syntax --opt
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// Helper for sequence tests.
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function optimize_and_check(func, fast_count, slow_count, expected) {
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%PrepareFunctionForOptimization(func);
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let result = func();
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assertEqualsDelta(expected, result, 0.001);
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fast_c_api.reset_counts();
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%OptimizeFunctionOnNextCall(func);
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result = func();
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assertEqualsDelta(expected, result, 0.001);
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assertOptimized(func);
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assertEquals(fast_count, fast_c_api.fast_call_count());
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assertEquals(slow_count, fast_c_api.slow_call_count());
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}
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function ExpectFastCall(func, expected) {
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optimize_and_check(func, 1, 0, expected);
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}
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function ExpectSlowCall(func, expected) {
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optimize_and_check(func, 0, 1, expected);
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}
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function assert_throws_and_optimized(func, arg) {
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fast_c_api.reset_counts();
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assertThrows(() => func(arg));
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assertOptimized(func);
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assertEquals(0, fast_c_api.fast_call_count());
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assertEquals(1, fast_c_api.slow_call_count());
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}
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