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f226350fcb
PR-URL: https://github.com/nodejs/node/pull/47251 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Richard Lau <rlau@redhat.com>
52 lines
1.6 KiB
JavaScript
52 lines
1.6 KiB
JavaScript
// Copyright 2022 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-native-module-cache-enabled
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// Make the test faster:
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// Flags: --wasm-tiering-budget=1000
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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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const num_functions = 3;
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function create_builder() {
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const builder = new WasmModuleBuilder();
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builder.addImport("foo", "bar", kSig_i_v);
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for (let i = 0; i < num_functions; ++i) {
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builder.addFunction('f' + i, kSig_i_v)
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.addBody(wasmI32Const(i))
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.exportFunc();
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}
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return builder;
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}
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const wire_bytes = create_builder().toBuffer();
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function serializeModule() {
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const module = new WebAssembly.Module(wire_bytes);
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let instance = new WebAssembly.Instance(module, {foo: {bar: () => 1}});
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%WasmTierUpFunction(instance.exports.f1);
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// Execute {f2} once, so that the module knows that this is a used function.
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instance.exports.f2();
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const buff = %SerializeWasmModule(module);
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return buff;
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};
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const serialized_module = serializeModule();
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(function testSerializedModule() {
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print(arguments.callee.name);
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const module = %DeserializeWasmModule(serialized_module, wire_bytes);
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const instance = new WebAssembly.Instance(module, {foo: {bar: () => 1}});
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assertTrue(%IsTurboFanFunction(instance.exports.f1));
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// Busy-wait for `f2` to be compiled with Liftoff.
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while (!%IsLiftoffFunction(instance.exports.f2)) {}
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assertTrue(
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!%IsLiftoffFunction(instance.exports.f0) &&
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!%IsTurboFanFunction(instance.exports.f0));
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})();
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