30 lines
943 B
JavaScript
30 lines
943 B
JavaScript
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// Copyright 2018 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: --wasm-lazy-compilation
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load('test/mjsunit/wasm/wasm-constants.js');
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load('test/mjsunit/wasm/wasm-module-builder.js');
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const builder = new WasmModuleBuilder();
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builder.addMemory(16, 32);
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builder.addFunction('grow', kSig_i_i).addBody([
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kExprGetLocal, 0,
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kExprGrowMemory, 0,
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]).exportFunc();
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builder.addFunction('main', kSig_i_i).addBody([
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...wasmI32Const(0x41),
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kExprSetLocal, 0,
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// Enter loop, such that values are spilled to the stack.
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kExprLoop, kWasmStmt,
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kExprEnd,
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// Reload value. This must be loaded as 32 bit value.
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kExprGetLocal, 0,
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kExprI32LoadMem, 0, 0,
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]).exportFunc();
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const instance = builder.instantiate();
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// Execute grow, such that the stack contains garbage data afterwards.
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instance.exports.grow(1);
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instance.exports.main();
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