text: // Header for DebugHelpers, tools for debugging the kernel compiler.
  // 
  // Copyright (c) 2013 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_DEBUG_HELPERS_H
  #define _POCL_DEBUG_HELPERS_H
  
  #include <string>
  
  #include "ParallelRegion.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 pocl {
    // View CFG with visual aids to debug kernel compiler problems.
    void dumpCFG(llvm::Function& F, std::string fname="", 
                 ParallelRegion::ParallelRegionVector* regions=NULL);
  
    // Split large basic blocks to smaller one so dot doesn't crash when
    // calling viewCFG on it. This should be fixed in LLVM upstream.
    //
    // @return True in case the function was changed.
    bool chopBBs(llvm::Function& F, llvm::Pass &P);
  };
  
  #endif
  