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Kmake/deps/v8/test/mjsunit/wasm/stack-push-root.js
2026-05-26 23:36:42 -07:00

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JavaScript

// Copyright 2023 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.
// Tests that code generator behaves correctly when pushing to the stack an
// operand that is an offset of the root register.
d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
let builder = new WasmModuleBuilder();
let sig = makeSig(
[kWasmAnyRef, kWasmAnyRef, kWasmAnyRef, kWasmAnyRef, kWasmAnyRef,
kWasmAnyRef],
[kWasmAnyRef]);
let sig_index = builder.addType(sig);
let callee =
builder.addFunction('callee', sig_index).addBody([kExprLocalGet, 5]);
builder.addFunction('main', kSig_r_v).exportFunc().addBody([
kExprRefNull, kAnyRefCode,
kExprRefNull, kAnyRefCode,
kExprRefNull, kAnyRefCode,
kExprRefNull, kAnyRefCode,
kExprRefNull, kAnyRefCode,
kExprRefNull, kAnyRefCode,
kExprCallFunction, callee.index,
kGCPrefix, kExprExternConvertAny
]);
let instance = builder.instantiate();
assertEquals(null, instance.exports.main());