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 22namespace llvm { 23 24class MachineFunction; 25class RegScavenger; 26class TargetRegisterClass; 27class Triple; 28 29class WebAssemblyRegisterInfo final : public WebAssemblyGenRegisterInfo { 30 const Triple &TT; 31 32public: 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