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9d7cd9b864
PR-URL: https://github.com/nodejs/node/pull/54077 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
63 lines
2.1 KiB
JavaScript
63 lines
2.1 KiB
JavaScript
// Copyright 2024 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: --wasm-deopt --allow-natives-syntax --turboshaft-wasm
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// Flags: --experimental-wasm-inlining --liftoff
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// Flags: --turboshaft-wasm-instruction-selection-staged --no-jit-fuzzing
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d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
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// Simple test containing more than one deopt point.
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(function TestMultipleDeoptPoints() {
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var builder = new WasmModuleBuilder();
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let funcRefT = builder.addType(kSig_i_ii);
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builder.addFunction("add", funcRefT)
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.addBody([kExprLocalGet, 0, kExprLocalGet, 1, kExprI32Add])
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.exportFunc();
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builder.addFunction("mul", funcRefT)
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.addBody([kExprLocalGet, 0, kExprLocalGet, 1, kExprI32Mul])
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.exportFunc();
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let mainSig = makeSig(
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[kWasmI32, kWasmI32, wasmRefType(funcRefT), kWasmI32,
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wasmRefType(funcRefT)], [kWasmI32]);
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builder.addFunction("main", mainSig)
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.addBody([
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kExprLocalGet, 0,
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kExprLocalGet, 1,
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kExprLocalGet, 2,
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kExprCallRef, funcRefT,
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kExprLocalGet, 3,
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kExprLocalGet, 4,
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kExprCallRef, funcRefT,
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]).exportFunc();
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let wasm = builder.instantiate().exports;
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assertEquals((1 + 2) * 3, wasm.main(1, 2, wasm.add, 3, wasm.mul));
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%WasmTierUpFunction(wasm.main);
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assertEquals((1 + 2) * 3, wasm.main(1, 2, wasm.add, 3, wasm.mul));
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if (%IsolateCountForTesting() == 1) {
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assertTrue(%IsTurboFanFunction(wasm.main));
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}
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// New target on 2nd call_ref.
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assertEquals((1 + 2) + 3, wasm.main(1, 2, wasm.add, 3, wasm.add));
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if (%IsolateCountForTesting() == 1) {
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assertFalse(%IsTurboFanFunction(wasm.main));
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}
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%WasmTierUpFunction(wasm.main);
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// New target on 1st call_ref.
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assertEquals((1 * 2) * 3, wasm.main(1, 2, wasm.mul, 3, wasm.mul));
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if (%IsolateCountForTesting() == 1) {
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assertFalse(%IsTurboFanFunction(wasm.main));
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}
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%WasmTierUpFunction(wasm.main);
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// New combination but no new targets.
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assertEquals((1 * 2) + 3, wasm.main(1, 2, wasm.mul, 3, wasm.add));
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if (%IsolateCountForTesting() == 1) {
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assertTrue(%IsTurboFanFunction(wasm.main));
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}
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})();
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