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cfbf9e0d14
PR-URL: https://github.com/nodejs/node/pull/52465 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
33 lines
1.1 KiB
JavaScript
33 lines
1.1 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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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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// Test that we don't rewrite the stack types when iterating over the targets
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// for a br_table instrunction.
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(function BrTable() {
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print(arguments.callee.name);
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let builder = new WasmModuleBuilder();
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let funcT = builder.addType(makeSig([], []));
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let table = builder.addTable(
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wasmRefNullType(funcT), 1, 1, [kExprRefNull, funcT]);
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let returnsFuncT = builder.addType(makeSig([], [wasmRefNullType(funcT)]));
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let returnsFuncRef = builder.addType(makeSig([], [kWasmFuncRef]));
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builder.addFunction("br_table", makeSig([kWasmI32], [kWasmFuncRef]))
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.addBody([
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kExprBlock, returnsFuncRef,
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kExprBlock, returnsFuncT,
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kExprI32Const, 0,
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kExprTableGet, table.index,
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kExprLocalGet, 0,
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kExprBrTable, 2, 1, 1, 0,
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kExprEnd,
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kExprEnd,
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])
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.exportFunc();
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let wasm = builder.instantiate().exports;
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assertEquals(null, wasm.br_table(0));
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})();
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