65 lines
2.0 KiB
JavaScript
65 lines
2.0 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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//
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// Flags: --wasm-wrapper-tiering-budget=1
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d8.file.execute('test/mjsunit/wasm/wasm-module-builder.js');
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(function TierUpImportedFunction() {
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let builder = new WasmModuleBuilder();
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let struct = builder.addStruct([makeField(kWasmI32, true)]);
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let sig =
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builder.addType(makeSig([wasmRefType(struct)], [wasmRefType(struct)]));
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let imp = builder.addImport('m', 'f', sig);
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builder.addFunction('main', kSig_i_i).exportFunc().addBody([
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kGCPrefix, kExprStructNewDefault, struct,
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kExprLoop, sig,
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kExprCallFunction, imp,
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kExprLocalGet, 0,
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kExprI32Const, 1,
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kExprI32Sub,
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kExprLocalTee, 0,
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kExprI32Eqz,
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kExprI32Eqz,
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kExprBrIf, 0,
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kExprEnd,
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kGCPrefix, kExprStructGet, struct, 0,
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]);
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let instance = builder.instantiate({ m: { f: (x) => x } });
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// The argument is the iteration count: enough to tier up the wasm-to-js
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// wrapper.
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instance.exports.main(2);
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})();
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(function TierUpIndirectlyCalledFunction() {
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let builder = new WasmModuleBuilder();
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let struct = builder.addStruct([makeField(kWasmI32, true)]);
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let sig =
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builder.addType(makeSig([wasmRefType(struct)], [wasmRefType(struct)]));
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let imp = builder.addImport('m', 'f', sig);
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builder.addTable(kWasmAnyFunc, 10, 10);
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builder.addActiveElementSegment(0, wasmI32Const(0), [imp]);
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builder.addFunction('main', kSig_i_i).exportFunc().addBody([
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kGCPrefix, kExprStructNewDefault, struct,
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kExprLoop, sig,
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kExprI32Const, 0,
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kExprCallIndirect, sig, kTableZero,
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kExprLocalGet, 0,
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kExprI32Const, 1,
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kExprI32Sub,
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kExprLocalTee, 0,
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kExprI32Eqz,
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kExprI32Eqz,
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kExprBrIf, 0,
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kExprEnd,
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kGCPrefix, kExprStructGet, struct, 0,
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]);
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let instance = builder.instantiate({ m: { f: (x) => x } });
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// The argument is the iteration count: enough to tier up the wasm-to-js
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// wrapper.
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instance.exports.main(2);
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})();
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