// Header for PHIsToAllocas function pass.
// 
// Copyright (c) 2012 Pekka Jääskeläinen / TUT
// 
// 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, sublicense, 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 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 NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS 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 _POCL_PHIS_TO_ALLOCAS_H
#define _POCL_PHIS_TO_ALLOCAS_H

#include "config.h"
#if (defined LLVM_3_1 or defined LLVM_3_2)
#include "llvm/Function.h"
#else
#include "llvm/IR/Function.h"
#endif
#include "llvm/Pass.h"

namespace llvm {
  class Instruction;
  class PHINode;
}

namespace pocl {
  class Workgroup;

  class PHIsToAllocas : public llvm::FunctionPass {
  public:
    static char ID;

  PHIsToAllocas() : llvm::FunctionPass(ID) {}

    virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const;
    virtual bool runOnFunction(llvm::Function &F);

    llvm::Instruction *BreakPHIToAllocas(llvm::PHINode* phi);

  };
}

#endif