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// Copyright 2013 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_CRANKSHAFT_HYDROGEN_BCE_H_
#define V8_CRANKSHAFT_HYDROGEN_BCE_H_
#include "src/crankshaft/hydrogen.h"
namespace v8 {
namespace internal {
class BoundsCheckBbData;
class BoundsCheckKey;
class BoundsCheckTable : private ZoneHashMap {
public:
explicit BoundsCheckTable(Zone* zone);
INLINE(BoundsCheckBbData** LookupOrInsert(BoundsCheckKey* key, Zone* zone));
INLINE(void Insert(BoundsCheckKey* key, BoundsCheckBbData* data, Zone* zone));
INLINE(void Delete(BoundsCheckKey* key));
private:
DISALLOW_COPY_AND_ASSIGN(BoundsCheckTable);
};
class HBoundsCheckEliminationPhase : public HPhase {
public:
explicit HBoundsCheckEliminationPhase(HGraph* graph)
: HPhase("H_Bounds checks elimination", graph), table_(zone()) { }
void Run() {
EliminateRedundantBoundsChecks(graph()->entry_block());
}
private:
void EliminateRedundantBoundsChecks(HBasicBlock* bb);
BoundsCheckBbData* PreProcessBlock(HBasicBlock* bb);
void PostProcessBlock(HBasicBlock* bb, BoundsCheckBbData* data);
BoundsCheckTable table_;
DISALLOW_COPY_AND_ASSIGN(HBoundsCheckEliminationPhase);
};
} // namespace internal
} // namespace v8
#endif // V8_CRANKSHAFT_HYDROGEN_BCE_H_
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