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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>
60 lines
2.3 KiB
JavaScript
60 lines
2.3 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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(function TestNonInlinedTarget() {
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let builder = new WasmModuleBuilder();
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let funcRefT = builder.addType(makeSig([kWasmI32, kWasmI32], [kWasmI32]));
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builder.addFunction("add", funcRefT)
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.addBody([kExprLocalGet, 0, kExprLocalGet, 1, kExprI32Add]).exportFunc();
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builder.addFunction("sub", funcRefT)
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.addBody([
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// Some useless instructions to make this non-inlined due to size.
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...wasmS128Const(100, 200), kExprDrop,
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...wasmS128Const(100, 200), kExprDrop,
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...wasmS128Const(100, 200), kExprDrop,
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...wasmS128Const(100, 200), kExprDrop,
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kExprLocalGet, 0, kExprLocalGet, 1, kExprI32Sub]).exportFunc();
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builder.addFunction("mul", funcRefT)
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.addBody([kExprLocalGet, 0, kExprLocalGet, 1, kExprI32Mul]).exportFunc();
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let mainParams = [kWasmI32, kWasmI32, wasmRefType(funcRefT)];
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builder.addFunction("main", makeSig(mainParams, [kWasmI32]))
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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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]).exportFunc();
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let wasm = builder.instantiate().exports;
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// Add call feedback for add().
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assertEquals(30, wasm.main(10, 20, wasm.add));
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%WasmTierUpFunction(wasm.main);
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assertEquals(30, wasm.main(10, 20, 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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// Call with new target causing a deopt.
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assertEquals(-10, wasm.main(10, 20, wasm.sub));
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if (%IsolateCountForTesting() == 1) {
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assertFalse(%IsTurboFanFunction(wasm.main));
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}
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// Re-opt. Due to the size of sub(), the target will not be inlined.
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// This causes sub() to take the slow call_ref implementation and no deopt
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// point is created.
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%WasmTierUpFunction(wasm.main);
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// Calling with a new call target therefore doesn't trigger a deopt.
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assertEquals(200, wasm.main(10, 20, 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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})();
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