44 lines
1.2 KiB
JavaScript
44 lines
1.2 KiB
JavaScript
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// 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: --allow-natives-syntax
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d8.file.execute("test/mjsunit/wasm/wasm-module-builder.js");
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let builder = new WasmModuleBuilder();
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let struct0 = builder.addStruct([makeField(kWasmI32, true)]);
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let return_struct0 = builder.addType(makeSig([], [wasmRefType(struct0)]));
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builder.addFunction("makeStruct", return_struct0)
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.exportFunc()
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.addBody([
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kExprI32Const, 42,
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kGCPrefix, kExprStructNew, struct0,
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]);
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let callee = builder.addFunction("callee", makeSig([wasmRefType(struct0)], [kWasmI32]))
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.addBody([
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kExprLocalGet, 0,
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kGCPrefix, kExprStructGet, struct0, 0,
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]);
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builder.addFunction("main", makeSig([wasmRefNullType(struct0)], [kWasmI32]))
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.exportFunc()
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.addBody([
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kExprBlock, return_struct0,
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kExprLocalGet, 0,
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kExprBrOnNonNull, 0,
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kExprUnreachable,
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kExprEnd,
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kExprCallFunction, callee.index,
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]);
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let instance = builder.instantiate();
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let obj = instance.exports.makeStruct();
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instance.exports.main(obj);
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%WasmTierUpFunction(instance.exports.main);
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assertEquals(42, instance.exports.main(obj));
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