mirror of
https://github.com/nodejs/node.git
synced 2025-05-21 08:27:49 +00:00
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>
118 lines
4.0 KiB
JavaScript
118 lines
4.0 KiB
JavaScript
// Copyright 2024 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: --wasm-deopt --allow-natives-syntax --turboshaft-wasm
|
|
// Flags: --experimental-wasm-inlining --liftoff
|
|
// Flags: --turboshaft-wasm-instruction-selection-staged --no-jit-fuzzing
|
|
|
|
d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
|
|
|
|
// Test progressing through the different "states" of feedback:
|
|
// - monomorphic
|
|
// - polymorphic (2-4 targets)
|
|
// - megamorphic
|
|
(function TestDeoptCallRef() {
|
|
var builder = new WasmModuleBuilder();
|
|
let funcRefT = builder.addType(kSig_i_ii);
|
|
|
|
builder.addFunction("add", funcRefT)
|
|
.addBody([kExprLocalGet, 0, kExprLocalGet, 1, kExprI32Add])
|
|
.exportFunc();
|
|
builder.addFunction("mul", funcRefT)
|
|
.addBody([kExprLocalGet, 0, kExprLocalGet, 1, kExprI32Mul])
|
|
.exportFunc();
|
|
builder.addFunction("sub", funcRefT)
|
|
.addBody([kExprLocalGet, 0, kExprLocalGet, 1, kExprI32Sub])
|
|
.exportFunc();
|
|
builder.addFunction("first", funcRefT)
|
|
.addBody([kExprLocalGet, 0])
|
|
.exportFunc();
|
|
builder.addFunction("second", funcRefT)
|
|
.addBody([kExprLocalGet, 1])
|
|
.exportFunc();
|
|
builder.addFunction("equals", funcRefT)
|
|
.addBody([kExprLocalGet, 0, kExprLocalGet, 1, kExprI32Eq,])
|
|
.exportFunc();
|
|
|
|
let mainSig =
|
|
makeSig([kWasmI32, kWasmI32, wasmRefType(funcRefT)], [kWasmI32]);
|
|
builder.addFunction("main", mainSig)
|
|
.addLocals(kWasmI32, 1)
|
|
.addBody([
|
|
// Set the local to some value.
|
|
kExprI32Const, 1,
|
|
kExprLocalSet, 3,
|
|
|
|
kExprLocalGet, 0,
|
|
kExprLocalGet, 1,
|
|
kExprLocalGet, 2,
|
|
kExprCallRef, funcRefT,
|
|
|
|
// Use the local after the deopt point.
|
|
kExprLocalGet, 3,
|
|
kExprI32Mul,
|
|
]).exportFunc();
|
|
|
|
let wasm = builder.instantiate().exports;
|
|
assertEquals(42, wasm.main(12, 30, wasm.add));
|
|
%WasmTierUpFunction(wasm.main);
|
|
print("tierup");
|
|
assertEquals(42, wasm.main(12, 30, wasm.add));
|
|
if (%IsolateCountForTesting() == 1) {
|
|
assertTrue(%IsTurboFanFunction(wasm.main));
|
|
}
|
|
print("non-deopt call succeeded, now causing deopt");
|
|
assertEquals(360, wasm.main(12, 30, wasm.mul));
|
|
if (%IsolateCountForTesting() == 1) {
|
|
assertFalse(%IsTurboFanFunction(wasm.main));
|
|
}
|
|
print("deopt happened");
|
|
assertEquals(42, wasm.main(12, 30, wasm.add));
|
|
print("collect more feedback in liftoff");
|
|
assertEquals(-18, wasm.main(12, 30, wasm.sub));
|
|
print("re-opt");
|
|
%WasmTierUpFunction(wasm.main);
|
|
assertEquals(360, wasm.main(12, 30, wasm.mul));
|
|
assertEquals(42, wasm.main(12, 30, wasm.add));
|
|
assertEquals(-18, wasm.main(12, 30, wasm.sub));
|
|
if (%IsolateCountForTesting() == 1) {
|
|
assertTrue(%IsTurboFanFunction(wasm.main));
|
|
}
|
|
assertEquals(12, wasm.main(12, 30, wasm.first));
|
|
if (%IsolateCountForTesting() == 1) {
|
|
assertFalse(%IsTurboFanFunction(wasm.main));
|
|
}
|
|
print("deopt happened");
|
|
print("re-opt with maximum polymorphism");
|
|
%WasmTierUpFunction(wasm.main);
|
|
assertEquals(360, wasm.main(12, 30, wasm.mul));
|
|
assertEquals(42, wasm.main(12, 30, wasm.add));
|
|
assertEquals(-18, wasm.main(12, 30, wasm.sub));
|
|
assertEquals(12, wasm.main(12, 30, wasm.first));
|
|
if (%IsolateCountForTesting() == 1) {
|
|
assertTrue(%IsTurboFanFunction(wasm.main));
|
|
}
|
|
assertEquals(30, wasm.main(12, 30, wasm.second));
|
|
if (%IsolateCountForTesting() == 1) {
|
|
assertFalse(%IsTurboFanFunction(wasm.main));
|
|
}
|
|
print("deopt happened");
|
|
print("reopt again");
|
|
%WasmTierUpFunction(wasm.main);
|
|
// All previous call targets still succeed.
|
|
assertEquals(360, wasm.main(12, 30, wasm.mul));
|
|
assertEquals(42, wasm.main(12, 30, wasm.add));
|
|
assertEquals(-18, wasm.main(12, 30, wasm.sub));
|
|
assertEquals(12, wasm.main(12, 30, wasm.first));
|
|
assertEquals(30, wasm.main(12, 30, wasm.second));
|
|
if (%IsolateCountForTesting() == 1) {
|
|
assertTrue(%IsTurboFanFunction(wasm.main));
|
|
}
|
|
// Previously unseen call targets do not cause a deopt any more.
|
|
assertEquals(1, wasm.main(42, 42, wasm.equals));
|
|
if (%IsolateCountForTesting() == 1) {
|
|
assertTrue(%IsTurboFanFunction(wasm.main));
|
|
}
|
|
})();
|