//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group 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 Alpha implementation of the MRegisterInfo class.
+// This file contains the Alpha implementation of the TargetRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef ALPHAREGISTERINFO_H
#define ALPHAREGISTERINFO_H
-#include "llvm/Target/MRegisterInfo.h"
+#include "llvm/Target/TargetRegisterInfo.h"
#include "AlphaGenRegisterInfo.h.inc"
namespace llvm {
+class TargetInstrInfo;
class Type;
struct AlphaRegisterInfo : public AlphaGenRegisterInfo {
- AlphaRegisterInfo();
+ const TargetInstrInfo &TII;
+
+ AlphaRegisterInfo(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;
-
- MachineInstr* foldMemoryOperand(MachineInstr *MI, unsigned OpNum,
- int FrameIndex) const;
+ const unsigned *getCalleeSavedRegs(const MachineFunction *MF = 0) const;
+
+ const TargetRegisterClass* const* getCalleeSavedRegClasses(
+ const MachineFunction *MF = 0) const;
+
+ BitVector getReservedRegs(const MachineFunction &MF) const;
- void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
- unsigned DestReg, unsigned SrcReg,
- const TargetRegisterClass *RC) const;
+ bool hasFP(const MachineFunction &MF) const;
void eliminateCallFramePseudoInstr(MachineFunction &MF,
MachineBasicBlock &MBB,
MachineBasicBlock::iterator I) const;
- void eliminateFrameIndex(MachineBasicBlock::iterator II) const;
+ unsigned eliminateFrameIndex(MachineBasicBlock::iterator II,
+ int SPAdj, int *Value = NULL,
+ RegScavenger *RS = NULL) const;
//void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
// Debug information queries.
unsigned getRARegister() const;
- unsigned getFrameRegister(MachineFunction &MF) const;
+ unsigned getFrameRegister(const MachineFunction &MF) const;
+
+ // Exception handling queries.
+ unsigned getEHExceptionRegister() const;
+ unsigned getEHHandlerRegister() const;
+
+ int getDwarfRegNum(unsigned RegNum, bool isEH) const;
static std::string getPrettyName(unsigned reg);
+
+private:
+ mutable int curgpdist;
};
} // end namespace llvm