50930a0fa0
PR-URL: https://github.com/nodejs/node/pull/39469 Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
25 lines
837 B
JavaScript
25 lines
837 B
JavaScript
// Copyright 2019 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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const builder = new WasmModuleBuilder();
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builder.addFunction(undefined, kSig_v_v).addBody([]);
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builder.addFunction(undefined, kSig_i_i)
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.addBody([
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kExprLocalGet, 0,
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kExprLocalGet, 0,
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// Stack now contains two copies of the first param register.
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// Start a loop to create a merge point (values still in registers).
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kExprLoop, kWasmVoid,
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// The call spills all values.
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kExprCallFunction, 0,
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// Break to the loop. Now the spilled values need to be loaded back *into
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// the same register*.
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kExprBr, 0,
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kExprEnd,
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kExprDrop
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]);
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builder.instantiate();
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