llvm/lib/Target/SPIRV/SPIRVLegalizerInfo.h

   1 //===- SPIRVLegalizerInfo.h --- SPIR-V Legalization Rules --------*- C++ -*-==//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 //
   9 // This file declares the targeting of the MachineLegalizer class for SPIR-V.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_LIB_TARGET_SPIRV_SPIRVMACHINELEGALIZER_H
  14 #define LLVM_LIB_TARGET_SPIRV_SPIRVMACHINELEGALIZER_H
  15
  16 #include "SPIRVGlobalRegistry.h"
  17 #include "llvm/CodeGen/GlobalISel/LegalizerInfo.h"
  18
  19 bool isTypeFoldingSupported(unsigned Opcode);
  20
  21 namespace llvm {
  22
  23 class LLVMContext;
  24 class SPIRVSubtarget;
  25
  26 // This class provides the information for legalizing SPIR-V instructions.
  27 class SPIRVLegalizerInfo : public LegalizerInfo {
  28   const SPIRVSubtarget *ST;
  29   SPIRVGlobalRegistry *GR;
  30
  31 public:
  32   bool legalizeCustom(LegalizerHelper &Helper, MachineInstr &MI,
  33                       LostDebugLocObserver &LocObserver) const override;
  34   SPIRVLegalizerInfo(const SPIRVSubtarget &ST);
  35 };
  36 } // namespace llvm
  37 #endif // LLVM_LIB_TARGET_SPIRV_SPIRVMACHINELEGALIZER_H