6904a8120b
.. mostly mentions in mjsunit `Flags:` lines and in comments. Bug: v8:10386 Change-Id: If79dfdc448d0a3f19883ef1f816e77e750cb4061 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3865964 Commit-Queue: Jakob Linke <jgruber@chromium.org> Reviewed-by: Michael Achenbach <machenbach@chromium.org> Reviewed-by: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/main@{#82852}
40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
// Copyright 2019 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 --wasm-dynamic-tiering --liftoff
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// Flags: --no-wasm-tier-up
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// Make the test faster:
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// Flags: --wasm-tiering-budget=1000
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// This test busy-waits for tier-up to be complete, hence it does not work in
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// predictable more where we only have a single thread.
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// Flags: --no-predictable
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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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const num_functions = 2;
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const builder = new WasmModuleBuilder();
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for (let i = 0; i < num_functions; ++i) {
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let kFunction = builder.addFunction('f' + i, kSig_i_v)
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.addBody(wasmI32Const(i))
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.exportAs('f' + i)
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}
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let instance = builder.instantiate();
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// The first few calls happen with Liftoff code.
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for (let i = 0; i < 3; ++i) {
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instance.exports.f0();
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instance.exports.f1();
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}
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assertTrue(%IsLiftoffFunction(instance.exports.f0));
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assertTrue(%IsLiftoffFunction(instance.exports.f1));
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// Keep calling the function until it gets tiered up.
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while (%IsLiftoffFunction(instance.exports.f1)) {
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instance.exports.f1();
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}
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assertTrue(%IsLiftoffFunction(instance.exports.f0));
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