v8/test/mjsunit/wasm/wasm-dynamic-tiering.js
Camillo Bruni a345a442d3 [d8][mjsunit][tools] Improve d8 file API
- Add d8.file.read() and d8.file.execute() helpers
- Change tools and tests to use new d8.file helper
- Unify error throwing in v8::Shell::ReadFile

Change-Id: I5ef4cb27f217508a367106f01e872a4059d5e399
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2928505
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Marja Hölttä <marja@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74883}
2021-06-01 13:37:57 +00:00

39 lines
1.0 KiB
JavaScript

// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --allow-natives-syntax --wasm-dynamic-tiering --liftoff
// Flags: --no-wasm-tier-up --no-stress-opt
d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
const num_iterations = 4;
const num_functions = 2;
const builder = new WasmModuleBuilder();
for (let i = 0; i < num_functions; ++i) {
let kFunction = builder.addFunction('f' + i, kSig_i_v)
.addBody(wasmI32Const(i))
.exportAs('f' + i)
}
let instance = builder.instantiate();
for (let i = 0; i < num_iterations - 1; ++i) {
instance.exports.f0();
instance.exports.f1();
}
assertTrue(%IsLiftoffFunction(instance.exports.f0));
assertTrue(%IsLiftoffFunction(instance.exports.f1));
instance.exports.f1();
// Busy waiting until the function is tiered up.
while (true) {
if (!%IsLiftoffFunction(instance.exports.f1)) {
break;
}
}
assertTrue(%IsLiftoffFunction(instance.exports.f0));