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/******************************************************************************
* Copyright (c) 2013-2014, Texas Instruments Incorporated - http://www.ti.com/
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Texas Instruments Incorporated nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/
#ifndef __TIOPENCLWORKGROUPAGGREGATIONPASS_H
#define __TIOPENCLWORKGROUPAGGREGATIONPASS_H
#include <string>
#include <set>
#include "boost/tuple/tuple.hpp"
#include <llvm/Pass.h>
#include <llvm/IR/Instruction.h>
#define MAX_DIMENSIONS 3u
namespace llvm
{
class TIOpenclWorkGroupAggregation : public FunctionPass
{
public:
static char ID;
TIOpenclWorkGroupAggregation(bool pocl_mode = false);
virtual bool runOnFunction(Function &F);
virtual void getAnalysisUsage(AnalysisUsage &Info) const;
private:
Instruction* IVPhi[MAX_DIMENSIONS];
bool is_pocl_mode;
private:
Instruction* createLoadGlobal(int32_t idx, Module* m, Instruction *before=0,
const char *name=0);
BasicBlock* findExitBlock (Function &F);
unsigned int findNeededLoopNest(Function &F);
unsigned int findDim (class CallInst* call);
bool rewrite_ocl_funcs (Function &F);
void add_loop (Function &F, int dimIdx);
Instruction* get_IV(Function &F, CallInst *call);
bool rewrite_allocas(Function &F);
};
Pass *createTIOpenclWorkGroupAggregationPass(bool is_pocl_mode = false);
}
#endif // __TIOPENCLWORKGROUPAGGREGATIONPASS_H
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