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/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef STORAGESOA_H
#define STORAGESOA_H
#include <vector>
#include <map>
namespace llvm {
class BasicBlock;
class Constant;
class ConstantInt;
class LoadInst;
class Value;
class VectorType;
class Module;
}
class StorageSoa
{
public:
StorageSoa(llvm::BasicBlock *block,
llvm::Value *input,
llvm::Value *output,
llvm::Value *consts,
llvm::Value *temps);
void addImmediate(float *vec);
llvm::Value * addrElement(int idx) const;
std::vector<llvm::Value*> inputElement(int idx, int swizzle, llvm::Value *indIdx =0);
std::vector<llvm::Value*> constElement(int idx, int swizzle, llvm::Value *indIdx =0);
std::vector<llvm::Value*> outputElement(int idx, int swizzle, llvm::Value *indIdx =0);
std::vector<llvm::Value*> tempElement(int idx, int swizzle, llvm::Value *indIdx =0);
std::vector<llvm::Value*> immediateElement(int idx, int swizzle);
llvm::Value *extractIndex(llvm::Value *vec);
void storeOutput(int dstIdx, const std::vector<llvm::Value*> &val,
int mask);
void storeTemp(int idx, const std::vector<llvm::Value*> &val,
int mask);
void storeAddress(int idx, const std::vector<llvm::Value*> &val,
int mask);
private:
llvm::Value *elementPointer(llvm::Value *ptr, int index,
int channel) const;
llvm::Value *element(llvm::Value *ptr, int index,
int channel) const;
const char *name(const char *prefix) const;
llvm::ConstantInt *constantInt(int) const;
llvm::Value *alignedArrayLoad(llvm::Value *val);
llvm::Module *currentModule() const;
llvm::Value *createConstGlobalVector(float *vec);
private:
llvm::BasicBlock *m_block;
llvm::Value *m_input;
llvm::Value *m_output;
llvm::Value *m_consts;
llvm::Value *m_temps;
std::map<int, std::vector<llvm::Value*> > m_immediates;
mutable std::map<int, llvm::ConstantInt*> m_constInts;
mutable char m_name[32];
mutable int m_idx;
};
#endif
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