text: /*
   ***********************************************************************************************************************
   *
   *  Copyright (c) 2020-2021 Advanced Micro Devices, Inc. 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, 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.
   *
   **********************************************************************************************************************/
  /**
   ***********************************************************************************************************************
   * @file  llpcSpirvLowerRayTracingIntrinsics.h
   * @brief LLPC header file: contains declaration of Llpc::SpirvLowerRayTracingIntrinsics
   ***********************************************************************************************************************
   */
  
  #pragma once
  
  #include "llpcSpirvLower.h"
  #include "llvm/IR/InstVisitor.h"
  
  namespace Llpc {
  // =====================================================================================================================
  // Represents the pass of SPIR-V lowering ray tracing intrinsics.
  class SpirvLowerRayTracingIntrinsics : public SpirvLower, public llvm::InstVisitor<SpirvLowerRayTracingIntrinsics> {
  public:
    SpirvLowerRayTracingIntrinsics() : SpirvLower(ID) {}
    SpirvLowerRayTracingIntrinsics(char &pid) : SpirvLower(pid) {}
    virtual bool runOnModule(llvm::Module &module);
  
    static char ID; // ID of this pass
  
  protected:
    void createLoadDwordAtAddr(llvm::Function *func, llvm::Type *loadPtrTy);
    void createConvertF32toF16(llvm::Function *func, unsigned roundingMode);
  
  private:
    SpirvLowerRayTracingIntrinsics(const SpirvLowerRayTracingIntrinsics &) = delete;
    SpirvLowerRayTracingIntrinsics &operator=(const SpirvLowerRayTracingIntrinsics &) = delete;
  
    bool processIntrinsicsFuncion(llvm::Function *func);
  };
  } // namespace Llpc
  