2024-03-30 09:54:35 +01:00
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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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2025-04-29 08:03:15 +02:00
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// Flags: --wasm-inlining
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2024-03-30 09:54:35 +01:00
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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 kRefExtern = wasmRefType(kWasmExternRef);
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let kSig_e_i = makeSig([kWasmI32], [kRefExtern]);
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const builder = new WasmModuleBuilder();
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let kStringFromCharCode =
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builder.addImport('wasm:js-string', 'fromCharCode', kSig_e_i);
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let callee = builder.addFunction('callee', makeSig([kRefExtern], [kRefExtern]));
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callee.addBody([kExprLocalGet, 0]);
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builder.addFunction('main', makeSig([], [kRefExtern])).exportFunc().addBody([
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...wasmI32Const(65),
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kExprCallFunction, kStringFromCharCode,
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kExprCallFunction, callee.index,
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]);
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let instance = builder.instantiate({}, {builtins: ["js-string"]});
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let main = instance.exports.main;
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for (let i = 0; i < 10; i++) main();
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%WasmTierUpFunction(main);
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assertEquals("A", main());
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