// Header for HandleSamplerInitialization function pass.
//
// Copyright (c) 2017 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
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// THE SOFTWARE.

#ifndef _POCL_HANDLE_SAMPLER_INITIALIZATION_H
#define _POCL_HANDLE_SAMPLER_INITIALIZATION_H

#include "CompilerWarnings.h"
IGNORE_COMPILER_WARNING("-Wunused-parameter")

#include <llvm/IR/Function.h>
#include <llvm/Pass.h>

POP_COMPILER_DIAGS

namespace pocl {

class Workgroup;

// Currently removes the __translate_sampler_initializer calls introduced in Clang 4.0.
// They usually trivially map to the given constant i32. The pass can be extended for
// per-target handling of samplers.
class HandleSamplerInitialization : public llvm::FunctionPass {
public:

  static char ID;
  HandleSamplerInitialization();

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

}
#endif
