81ee94b650
Review URL: https://codereview.chromium.org/1405363003 Cr-Commit-Position: refs/heads/master@{#31410}
36 lines
836 B
C++
36 lines
836 B
C++
// Copyright 2013 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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#ifndef V8_CRANKSHAFT_HYDROGEN_DCE_H_
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#define V8_CRANKSHAFT_HYDROGEN_DCE_H_
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#include "src/crankshaft/hydrogen.h"
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namespace v8 {
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namespace internal {
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class HDeadCodeEliminationPhase : public HPhase {
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public:
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explicit HDeadCodeEliminationPhase(HGraph* graph)
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: HPhase("H_Dead code elimination", graph) { }
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void Run() {
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MarkLiveInstructions();
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RemoveDeadInstructions();
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}
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private:
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void MarkLive(HValue* instr, ZoneList<HValue*>* worklist);
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void PrintLive(HValue* ref, HValue* instr);
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void MarkLiveInstructions();
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void RemoveDeadInstructions();
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};
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} // namespace internal
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} // namespace v8
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#endif // V8_CRANKSHAFT_HYDROGEN_DCE_H_
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