c7ad5652d3
When initializing the cache state for a merge, we should never use registers multiple times. Other code paths leading to the same merge point might provide different values for the different slots there. R=ahaas@chromium.org Bug: v8:7035, v8:6600 Change-Id: I8e409b494af0fdc1a5045ec04571611b97fcaf86 Reviewed-on: https://chromium-review.googlesource.com/754816 Commit-Queue: Clemens Hammacher <clemensh@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{#49150}
32 lines
1.1 KiB
JavaScript
32 lines
1.1 KiB
JavaScript
// Copyright 2017 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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load('test/mjsunit/wasm/wasm-constants.js');
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load('test/mjsunit/wasm/wasm-module-builder.js');
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var builder = new WasmModuleBuilder();
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builder.addFunction('test', kSig_i_iii)
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.addBodyWithEnd([
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kExprI32Const, 0x00, // i32.const 0
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kExprI32Const, 0x00, // i32.const 0
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kExprI32Add, // i32.add -> 0
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kExprI32Const, 0x00, // i32.const 0
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kExprI32Const, 0x00, // i32.const 0
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kExprI32Add, // i32.add -> 0
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kExprI32Add, // i32.add -> 0
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kExprI32Const, 0x01, // i32.const 1
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kExprI32Const, 0x00, // i32.const 0
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kExprI32Add, // i32.add -> 1
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kExprBlock, 0x7f, // @39 i32
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kExprI32Const, 0x00, // i32.const 0
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kExprBr, 0x00, // depth=0
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kExprEnd, // @90
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kExprI32Add, // i32.add -> 1
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kExprI32Add, // i32.add -> 1
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kExprEnd
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])
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.exportFunc();
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var module = builder.instantiate();
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assertEquals(1, module.exports.test());
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