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#ifndef STORAGE_H
#define STORAGE_H
#include <map>
#include <vector>
namespace llvm {
class BasicBlock;
class Constant;
class ConstantInt;
class LoadInst;
class Value;
class VectorType;
}
class Storage
{
typedef std::map<int, llvm::LoadInst*> LoadMap;
public:
Storage(llvm::BasicBlock *block,
llvm::Value *out,
llvm::Value *in, llvm::Value *consts);
void setCurrentBlock(llvm::BasicBlock *block);
llvm::ConstantInt *constantInt(int);
llvm::Constant *shuffleMask(int vec);
llvm::Value *inputElement(int idx, llvm::Value *indIdx =0);
llvm::Value *constElement(int idx, llvm::Value *indIdx =0);
llvm::Value *tempElement(int idx) const;
void setTempElement(int idx, llvm::Value *val, int mask);
llvm::Value *addrElement(int idx) const;
void setAddrElement(int idx, llvm::Value *val, int mask);
llvm::Value *shuffleVector(llvm::Value *vec, int shuffle);
llvm::Value *extractIndex(llvm::Value *vec);
void store(int dstIdx, llvm::Value *val, int mask);
void popPhiNode();
int numConsts() const;
private:
llvm::Value *maskWrite(llvm::Value *src, int mask, llvm::Value *templ);
const char *name(const char *prefix);
private:
llvm::BasicBlock *m_block;
llvm::Value *m_OUT;
llvm::Value *m_IN;
llvm::Value *m_CONST;
std::map<int, llvm::ConstantInt*> m_constInts;
std::map<int, llvm::Constant*> m_intVecs;
std::vector<llvm::Value*> m_temps;
std::vector<llvm::Value*> m_addrs;
std::vector<llvm::Value*> m_dstCache;
LoadMap m_inputs;
LoadMap m_consts;
llvm::VectorType *m_floatVecType;
llvm::VectorType *m_intVecType;
llvm::Value *m_undefFloatVec;
llvm::Value *m_undefIntVec;
llvm::Value *m_extSwizzleVec;
char m_name[32];
int m_idx;
int m_numConsts;
void addPhiNode(int, llvm::Value*, llvm::BasicBlock*,
llvm::Value*, llvm::BasicBlock*);
void updatePhiNode(int, llvm::Value*);
struct PhiNode {
llvm::Value *val1;
llvm::BasicBlock *block1;
llvm::Value *val2;
llvm::BasicBlock *block2;
};
std::map<llvm::Value*, llvm::BasicBlock*> m_varBlocks;
std::map<int, PhiNode> m_phiNodes;
};
#endif
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