mirror of
https://github.com/nodejs/node.git
synced 2025-05-20 17:41:40 +00:00
50930a0fa0
PR-URL: https://github.com/nodejs/node/pull/39469 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
43 lines
1.2 KiB
JavaScript
43 lines
1.2 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
|
|
|
|
// This test busy-waits for tier-up to be complete, hence it does not work in
|
|
// predictable more where we only have a single thread.
|
|
// Flags: --no-predictable
|
|
|
|
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));
|