1 //===-- XCoreRegisterInfo.h - XCore 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 XCore implementation of the MRegisterInfo class.
12 //===----------------------------------------------------------------------===//
14 #ifndef XCOREREGISTERINFO_H
15 #define XCOREREGISTERINFO_H
17 #include "llvm/Target/TargetRegisterInfo.h"
19 #define GET_REGINFO_HEADER
20 #include "XCoreGenRegisterInfo.inc"
24 class TargetInstrInfo;
26 struct XCoreRegisterInfo : public XCoreGenRegisterInfo {
30 /// Code Generation virtual methods...
33 getCalleeSavedRegs(const MachineFunction *MF =nullptr) const override;
35 BitVector getReservedRegs(const MachineFunction &MF) const override;
37 bool requiresRegisterScavenging(const MachineFunction &MF) const override;
39 bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override;
41 bool useFPForScavengingIndex(const MachineFunction &MF) const override;
43 void eliminateFrameIndex(MachineBasicBlock::iterator II,
44 int SPAdj, unsigned FIOperandNum,
45 RegScavenger *RS = nullptr) const override;
47 // Debug information queries.
48 unsigned getFrameRegister(const MachineFunction &MF) const override;
50 //! Return whether to emit frame moves
51 static bool needsFrameMoves(const MachineFunction &MF);
54 } // end namespace llvm