llvm/lib/Target/SPIRV/SPIRVInstrInfo.h

   1 //===-- SPIRVInstrInfo.h - SPIR-V Instruction 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 TargetInstrInfo class.
  10 //
  11 //===----------------------------------------------------------------------===//
  12
  13 #ifndef LLVM_LIB_TARGET_SPIRV_SPIRVINSTRINFO_H
  14 #define LLVM_LIB_TARGET_SPIRV_SPIRVINSTRINFO_H
  15
  16 #include "SPIRVRegisterInfo.h"
  17 #include "llvm/CodeGen/TargetInstrInfo.h"
  18
  19 #define GET_INSTRINFO_HEADER
  20 #include "SPIRVGenInstrInfo.inc"
  21
  22 namespace llvm {
  23
  24 class SPIRVInstrInfo : public SPIRVGenInstrInfo {
  25   const SPIRVRegisterInfo RI;
  26
  27 public:
  28   SPIRVInstrInfo();
  29
  30   const SPIRVRegisterInfo &getRegisterInfo() const { return RI; }
  31   bool isHeaderInstr(const MachineInstr &MI) const;
  32   bool isConstantInstr(const MachineInstr &MI) const;
  33   bool isTypeDeclInstr(const MachineInstr &MI) const;
  34   bool isDecorationInstr(const MachineInstr &MI) const;
  35   bool canUseFastMathFlags(const MachineInstr &MI) const;
  36   bool canUseNSW(const MachineInstr &MI) const;
  37   bool canUseNUW(const MachineInstr &MI) const;
  38
  39   bool analyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB,
  40                      MachineBasicBlock *&FBB,
  41                      SmallVectorImpl<MachineOperand> &Cond,
  42                      bool AllowModify = false) const override;
  43
  44   unsigned removeBranch(MachineBasicBlock &MBB,
  45                         int *BytesRemoved = nullptr) const override;
  46
  47   unsigned insertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
  48                         MachineBasicBlock *FBB, ArrayRef<MachineOperand> Cond,
  49                         const DebugLoc &DL,
  50                         int *BytesAdded = nullptr) const override;
  51   void copyPhysReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
  52                    const DebugLoc &DL, MCRegister DestReg, MCRegister SrcReg,
  53                    bool KillSrc) const override;
  54   bool expandPostRAPseudo(MachineInstr &MI) const override;
  55 };
  56
  57 namespace SPIRV {
  58 enum AsmComments {
  59   // It is a half type
  60   ASM_PRINTER_WIDTH16 = MachineInstr::TAsmComments
  61 };
  62 } // namespace SPIRV
  63
  64 } // namespace llvm
  65
  66 #endif // LLVM_LIB_TARGET_SPIRV_SPIRVINSTRINFO_H