1 // WebAssemblyRegisterInfo.h - WebAssembly Register Information Impl -*- C++ -*- 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 /// 10 /// \file 11 /// \brief This file contains the WebAssembly implementation of the 12 /// WebAssemblyRegisterInfo class. 13 /// 14 //===----------------------------------------------------------------------===// 15 16 #ifndef LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYREGISTERINFO_H 17 #define LLVM_LIB_TARGET_WEBASSEMBLY_WEBASSEMBLYREGISTERINFO_H 18 19 #define GET_REGINFO_HEADER 20 #include "WebAssemblyGenRegisterInfo.inc" 21 22 namespace llvm { 23 24 class MachineFunction; 25 class RegScavenger; 26 class TargetRegisterClass; 27 class Triple; 28 29 class WebAssemblyRegisterInfo final : public WebAssemblyGenRegisterInfo { 30 const Triple &TT; 31 32 public: 33 explicit WebAssemblyRegisterInfo(const Triple &TT); 34 35 // Code Generation virtual methods. 36 const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override; 37 BitVector getReservedRegs(const MachineFunction &MF) const override; 38 void eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj, 39 unsigned FIOperandNum, 40 RegScavenger *RS = nullptr) const override; 41 42 // Debug information queries. 43 unsigned getFrameRegister(const MachineFunction &MF) const override; 44 45 const TargetRegisterClass * 46 getPointerRegClass(const MachineFunction &MF, 47 unsigned Kind = 0) const override; 48 }; 49 50 } // end namespace llvm 51 52 #endif 53
