v8/test/mjsunit/wasm/tier-down-to-liftoff.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

68 lines
1.7 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
d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
const num_functions = 200;
function create_builder(delta = 0) {
const builder = new WasmModuleBuilder();
for (let i = 0; i < num_functions; ++i) {
builder.addFunction('f' + i, kSig_i_v)
.addBody(wasmI32Const(i + delta))
.exportFunc();
}
return builder;
}
function checkTieredDown(instance) {
for (let i = 0; i < num_functions; ++i) {
assertTrue(%IsLiftoffFunction(instance.exports['f' + i]));
}
}
function checkTieredUp(instance) {
// Busy waiting until all functions are tiered up.
let num_liftoff_functions;
while (true) {
num_liftoff_functions = 0;
for (let i = 0; i < num_functions; ++i) {
if (%IsLiftoffFunction(instance.exports['f' + i])) {
num_liftoff_functions++;
}
}
if (num_liftoff_functions == 0) return;
}
}
function check(instance) {
%WasmTierDown();
checkTieredDown(instance);
for (let i = 0; i < num_functions; ++i) {
%WasmTierUpFunction(instance, i);
}
checkTieredDown(instance);
%WasmTierUp();
checkTieredUp(instance);
}
(function testTierDownToLiftoff() {
print(arguments.callee.name);
const instance = create_builder().instantiate();
check(instance);
})();
// Use slightly different module for this test to avoid sharing native module.
async function testTierDownToLiftoffAsync() {
print(arguments.callee.name);
const instance = await create_builder(num_functions).asyncInstantiate();
check(instance);
}
assertPromiseResult(testTierDownToLiftoffAsync());