//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Bruno Cardoso Lopes and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
-// This file contains the Mips implementation of the MRegisterInfo class.
+// This file contains the Mips implementation of the TargetRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef MIPSREGISTERINFO_H
#define MIPSREGISTERINFO_H
-#include "llvm/Target/MRegisterInfo.h"
+#include "Mips.h"
+#include "llvm/Target/TargetRegisterInfo.h"
#include "MipsGenRegisterInfo.h.inc"
namespace llvm {
-
+class MipsSubtarget;
class TargetInstrInfo;
class Type;
struct MipsRegisterInfo : public MipsGenRegisterInfo {
+ const MipsSubtarget &Subtarget;
const TargetInstrInfo &TII;
- MipsRegisterInfo(const TargetInstrInfo &tii);
-
- /// Code Generation virtual methods...
- void storeRegToStackSlot(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MBBI,
- unsigned SrcReg, int FrameIndex,
- const TargetRegisterClass *RC) const;
-
- void loadRegFromStackSlot(MachineBasicBlock &MBB,
- MachineBasicBlock::iterator MBBI,
- unsigned DestReg, int FrameIndex,
- const TargetRegisterClass *RC) const;
+ MipsRegisterInfo(const MipsSubtarget &Subtarget, const TargetInstrInfo &tii);
- void reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
- unsigned DestReg, const MachineInstr *Orig) const;
+ /// getRegisterNumbering - Given the enum value for some register, e.g.
+ /// Mips::RA, return the number that it corresponds to (e.g. 31).
+ static unsigned getRegisterNumbering(unsigned RegEnum);
- MachineInstr* foldMemoryOperand(MachineInstr* MI, unsigned OpNum,
- int FrameIndex) const;
+ /// Get PIC indirect call register
+ static unsigned getPICCallReg();
- void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *RC) const;
-
-
- const unsigned *getCalleeSavedRegs() const;
+ /// Adjust the Mips stack frame.
+ void adjustMipsStackFrame(MachineFunction &MF) const;
- const TargetRegisterClass* const* getCalleeSavedRegClasses() const;
+ /// Code Generation virtual methods...
+ const unsigned *getCalleeSavedRegs(const MachineFunction* MF = 0) const;
BitVector getReservedRegs(const MachineFunction &MF) const;
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;
+ /// Stack Frame Processing Methods
void eliminateFrameIndex(MachineBasicBlock::iterator II,
int SPAdj, RegScavenger *RS = NULL) const;
void emitPrologue(MachineFunction &MF) const;
void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
- // Debug information queries.
+ /// Debug information queries.
unsigned getRARegister() const;
- unsigned getFrameRegister(MachineFunction &MF) const;
+ unsigned getFrameRegister(const MachineFunction &MF) const;
- // Exception handling queries.
+ /// Exception handling queries.
unsigned getEHExceptionRegister() const;
unsigned getEHHandlerRegister() const;
+
+ int getDwarfRegNum(unsigned RegNum, bool isEH) const;
};
} // end namespace llvm