llvm/lib/Target/SPIRV/SPIRVRegisterInfo.h

   1 //===-- SPIRVRegisterInfo.h - SPIR-V Register Information -------*- 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 contains the SPIR-V implementation of the TargetRegisterInfo class.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_LIB_TARGET_SPIRV_SPIRVREGISTERINFO_H
  14 #define LLVM_LIB_TARGET_SPIRV_SPIRVREGISTERINFO_H
  15
  16 #include "llvm/CodeGen/TargetRegisterInfo.h"
  17
  18 #define GET_REGINFO_HEADER
  19 #include "SPIRVGenRegisterInfo.inc"
  20
  21 namespace llvm {
  22
  23 struct SPIRVRegisterInfo : public SPIRVGenRegisterInfo {
  24   SPIRVRegisterInfo();
  25   const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
  26   BitVector getReservedRegs(const MachineFunction &MF) const override;
  27   bool eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj,
  28                            unsigned FIOperandNum,
  29                            RegScavenger *RS = nullptr) const override {
  30     return false;
  31   }
  32   Register getFrameRegister(const MachineFunction &MF) const override {
  33     return 0;
  34   }
  35 };
  36 } // namespace llvm
  37
  38 #endif // LLVM_LIB_TARGET_SPIRV_SPIRVREGISTERINFO_H