SPIRVLegalizerInfo.h

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//===- SPIRVLegalizerInfo.h --- SPIR-V Legalization Rules --------*- C++ -*-==//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file declares the targeting of the MachineLegalizer class for SPIR-V.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_LIB_TARGET_SPIRV_SPIRVMACHINELEGALIZER_H
#define LLVM_LIB_TARGET_SPIRV_SPIRVMACHINELEGALIZER_H
 
#include "SPIRVGlobalRegistry.h"
#include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
 
namespace llvm {
 
class LLVMContext;
class SPIRVSubtarget;
 
// This class provides the information for legalizing SPIR-V instructions.
class SPIRVLegalizerInfo : public LegalizerInfo {
  const SPIRVSubtarget *ST;
  SPIRVGlobalRegistry *GR;
 
public:
  bool legalizeCustom(LegalizerHelper &Helper, MachineInstr &MI,
                      LostDebugLocObserver &LocObserver) const override;
  SPIRVLegalizerInfo(const SPIRVSubtarget &ST);
 
private:
  bool legalizeIsFPClass(LegalizerHelper &Helper, MachineInstr &MI,
                         LostDebugLocObserver &LocObserver) const;
};
} // namespace llvm
#endif // LLVM_LIB_TARGET_SPIRV_SPIRVMACHINELEGALIZER_H