mirror of
https://github.com/zebrajr/node.git
synced 2025-12-06 12:20:27 +01:00
c2843b722c
PR-URL: https://github.com/nodejs/node/pull/60111 Reviewed-By: Richard Lau <richard.lau@ibm.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
70 lines
2.2 KiB
JavaScript
70 lines
2.2 KiB
JavaScript
// Copyright 2025 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: --turbolev --no-maglev --turbolev-inline-js-wasm-wrappers
|
|
// Flags: --allow-natives-syntax --trace-deopt --trace-deopt-verbose
|
|
|
|
d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
|
|
d8.file.execute('test/mjsunit/mjsunit.js');
|
|
|
|
const iterationCount = 100;
|
|
let arrayIndex = 0;
|
|
|
|
function createWasmModuleForLazyDeopt(returnType, createValue, callback) {
|
|
let builder = new WasmModuleBuilder();
|
|
builder.addMemory(1, 1);
|
|
let index = builder.addArray(kWasmI32, true);
|
|
assertEquals(arrayIndex, index);
|
|
let callbackIndex = builder.addImport('env', 'callback', kSig_v_i);
|
|
|
|
builder.addFunction("triggerDeopt", makeSig([kWasmI32], [returnType]))
|
|
.addLocals(kWasmI32, 1)
|
|
.addBody([
|
|
...wasmI32Const(1032),
|
|
...wasmI32Const(1032),
|
|
kExprI32LoadMem, 0, 0,
|
|
kExprI32Const, 1,
|
|
kExprI32Add,
|
|
kExprLocalTee, 1,
|
|
kExprI32StoreMem, 0, 0,
|
|
kExprBlock, kWasmVoid,
|
|
kExprLocalGet, 1,
|
|
...wasmI32Const(iterationCount),
|
|
kExprI32Ne,
|
|
kExprBrIf, 0,
|
|
kExprLocalGet, 0,
|
|
kExprCallFunction, callbackIndex,
|
|
kExprEnd,
|
|
...createValue,
|
|
]).exportFunc();
|
|
|
|
return builder.instantiate({ env: { callback } });
|
|
}
|
|
|
|
{ // Test with a f32 result, which needs materialization.
|
|
var globalForI32 = 0;
|
|
let { triggerDeopt } = createWasmModuleForLazyDeopt(kWasmF32,
|
|
[...wasmF32Const(3.14)], () => globalForI32 = 1).exports;
|
|
|
|
function test(arg0) {
|
|
var result = 0;
|
|
for (let i = 0; i < iterationCount + 5; i++) {
|
|
if (i == 2) % OptimizeOsr();
|
|
result = triggerDeopt(arg0 + globalForI32);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
%PrepareFunctionForOptimization(test);
|
|
assertEqualsDelta(3.14, test(0));
|
|
%OptimizeFunctionOnNextCall(test);
|
|
|
|
// CHECK: [marking dependent code {{.*}} <Code TURBOFAN_JS> ({{.*}} <SharedFunctionInfo test>)
|
|
// CHECK: [bailout (kind: deopt-lazy, reason: (unknown))
|
|
// CHECK: reading JS to Wasm builtin continuation frame test
|
|
// CHECK: translating BuiltinContinuation to JSToWasmLazyDeoptContinuation
|
|
// CHECK: Materialization {{.*}} <HeapNumber 3.14>
|
|
assertEqualsDelta(3.14, test(0));
|
|
}
|