918fe04351
PR-URL: https://github.com/nodejs/node/pull/58070 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
114 lines
3.8 KiB
JavaScript
114 lines
3.8 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
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// Flags: --wasm-inlining --liftoff
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// Flags: --wasm-inlining-ignore-call-counts --no-jit-fuzzing
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d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
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(function TestManyParamsManyLocals() {
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// x86-64 has 16 XMM registers, so we need a few values to run out of
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// registers and end up with stack slots.
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let paramCount = 21;
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let builder = new WasmModuleBuilder();
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let calleeParams = new Array(paramCount).fill(kWasmS128);
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let funcRefT = builder.addType(makeSig(calleeParams, [kWasmS128]));
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builder.addFunction("add", funcRefT)
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.addBody(generateCalleeBody(kExprI32x4Add)).exportFunc();
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builder.addFunction("sub", funcRefT)
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.addBody(generateCalleeBody(kExprI32x4Sub)).exportFunc();
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builder.addFunction("max", funcRefT)
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.addBody(generateCalleeBody(kExprI32x4MaxU)).exportFunc();
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let deoptingFct = builder.addFunction(
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"deopting", makeSig([...calleeParams, wasmRefType(funcRefT)], [kWasmI32]))
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.addBody([
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// Push the arguments for the second call from the caller.
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...pushArgs(paramCount + 1),
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// Create new local arguments for the first call.
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...createArgs(paramCount),
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kExprLocalGet, paramCount,
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kExprCallRef, funcRefT,
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kExprLocalSet, 2,
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kExprCallRef, funcRefT,
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// Add both call_ref results and sum up the lanes.
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kExprLocalGet, 2,
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...SimdInstr(kExprI32x4Add),
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kExprLocalTee, 2,
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kSimdPrefix, kExprI32x4ExtractLane, 0,
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kExprLocalGet, 2,
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kSimdPrefix, kExprI32x4ExtractLane, 1,
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kExprLocalGet, 2,
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kSimdPrefix, kExprI32x4ExtractLane, 2,
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kExprLocalGet, 2,
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kSimdPrefix, kExprI32x4ExtractLane, 3,
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kExprI32Add,
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kExprI32Add,
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kExprI32Add,
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]).exportFunc();
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let mainParams = [kWasmI32, wasmRefType(funcRefT)];
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builder.addFunction("main", makeSig(mainParams, [kWasmI32]))
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.addLocals(kWasmS128, 1)
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.addBody([
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...createArgs(paramCount),
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kExprLocalGet, 1,
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kExprCallFunction, deoptingFct.index,
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]).exportFunc();
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// [0, 1, ..., paramCount - 1]
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let values = [...Array(paramCount).keys()];
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let expectedSum = values.reduce((a, b) => a + b) * 4 * 2;
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let expectedDiff = values.reduce((a, b) => a - b) * 4 * 2;
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let expectedMax = (paramCount - 1) * 4 * 2;
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assertEquals(expectedSum, -expectedDiff);
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let wasm = builder.instantiate().exports;
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assertEquals(expectedSum, wasm.main(0, wasm.add));
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%WasmTierUpFunction(wasm.deopting);
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assertEquals(expectedSum, wasm.main(0, wasm.add));
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if (%IsWasmTieringPredictable()) {
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assertTrue(%IsTurboFanFunction(wasm.deopting));
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}
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assertEquals(expectedDiff, wasm.main(0, wasm.sub));
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if (%IsWasmTieringPredictable()) {
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assertFalse(%IsTurboFanFunction(wasm.deopting));
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}
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// Repeat the test but this time with an additional layer of inlining.
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%WasmTierUpFunction(wasm.main);
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assertEquals(expectedSum, wasm.main(0, wasm.add));
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assertEquals(expectedDiff, wasm.main(0, wasm.sub));
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if (%IsWasmTieringPredictable()) {
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assertTrue(%IsTurboFanFunction(wasm.main));
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}
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assertEquals(expectedMax, wasm.main(0, wasm.max));
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function generateCalleeBody(binop) {
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let result = [kExprLocalGet, 0];
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for (let i = 1; i < paramCount; ++i) {
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result.push(kExprLocalGet, i, ...SimdInstr(binop));
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}
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return result;
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}
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function createArgs(paramCount) {
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let result = [];
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for (let i = 0; i < paramCount; ++i) {
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result.push(kExprI32Const, i, kSimdPrefix, kExprI32x4Splat);
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}
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return result;
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}
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function pushArgs(paramCount) {
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let result = [];
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for (let i = 0; i < paramCount; ++i) {
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result.push(kExprLocalGet, i);
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}
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return result;
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}
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})();
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