1 //===- NVPTXRegisterInfo.h - NVPTX Register Information Impl ----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains the NVPTX implementation of the TargetRegisterInfo class.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_LIB_TARGET_NVPTX_NVPTXREGISTERINFO_H
15 #define LLVM_LIB_TARGET_NVPTX_NVPTXREGISTERINFO_H
17 #include "ManagedStringPool.h"
18 #include "llvm/Target/TargetRegisterInfo.h"
21 #define GET_REGINFO_HEADER
22 #include "NVPTXGenRegisterInfo.inc"
25 class NVPTXRegisterInfo : public NVPTXGenRegisterInfo {
27 // Hold Strings that can be free'd all together with NVPTXRegisterInfo
28 ManagedStringPool ManagedStrPool;
33 //------------------------------------------------------
34 // Pure virtual functions from TargetRegisterInfo
35 //------------------------------------------------------
37 // NVPTX callee saved registers
38 const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
40 BitVector getReservedRegs(const MachineFunction &MF) const override;
42 void eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj,
43 unsigned FIOperandNum,
44 RegScavenger *RS = nullptr) const override;
46 unsigned getFrameRegister(const MachineFunction &MF) const override;
48 ManagedStringPool *getStrPool() const {
49 return const_cast<ManagedStringPool *>(&ManagedStrPool);
52 const char *getName(unsigned RegNo) const {
55 return getStrPool()->getManagedString(O.str().c_str())->c_str();
60 std::string getNVPTXRegClassName(const TargetRegisterClass *RC);
61 std::string getNVPTXRegClassStr(const TargetRegisterClass *RC);
63 } // end namespace llvm