Evan implemented this.

[oota-llvm.git] / lib / Target / Sparc / SparcRegisterInfo.h

diff --git a/lib/Target/Sparc/SparcRegisterInfo.h b/lib/Target/Sparc/SparcRegisterInfo.h
index 09ce548a8be4a44daa5878d045005235249a12eb..fe2c8eec0bb2a6e088b365b326a5af2a55b74fea 100644 (file)
--- a/lib/Target/Sparc/SparcRegisterInfo.h
+++ b/lib/Target/Sparc/SparcRegisterInfo.h
@@ -1,55 +1,68 @@
-//===- SparcV8RegisterInfo.h - SparcV8 Register Information Impl -*- C++ -*-==//
+//===- SparcRegisterInfo.h - Sparc Register Information Impl ----*- C++ -*-===//
 //
 //                     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 SparcV8 implementation of the MRegisterInfo class.
+// This file contains the Sparc implementation of the TargetRegisterInfo class.
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef SPARCV8REGISTERINFO_H
-#define SPARCV8REGISTERINFO_H
+#ifndef SPARCREGISTERINFO_H
+#define SPARCREGISTERINFO_H
 
-#include "llvm/Target/MRegisterInfo.h"
-#include "SparcV8GenRegisterInfo.h.inc"
+#include "llvm/Target/TargetRegisterInfo.h"
+#include "SparcGenRegisterInfo.h.inc"
 
 namespace llvm {
 
+class SparcSubtarget;
+class TargetInstrInfo;
 class Type;
 
-struct SparcV8RegisterInfo : public SparcV8GenRegisterInfo {
-  SparcV8RegisterInfo();
-  const TargetRegisterClass* getRegClassForType(const Type* Ty) const;
+struct SparcRegisterInfo : public SparcGenRegisterInfo {
+  SparcSubtarget &Subtarget;
+  const TargetInstrInfo &TII;
+  
+  SparcRegisterInfo(SparcSubtarget &st, const TargetInstrInfo &tii);
 
-  /// Code Generation virtual methods...
-  void storeRegToStackSlot(MachineBasicBlock &MBB,
-                           MachineBasicBlock::iterator MBBI,
-                           unsigned SrcReg, int FrameIndex,
-                           const TargetRegisterClass *RC) const;
+  /// Code Generation virtual methods...  
+  void reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
+                     unsigned DestReg, const MachineInstr *Orig) const;
 
-  void loadRegFromStackSlot(MachineBasicBlock &MBB,
-                            MachineBasicBlock::iterator MBBI,
-                            unsigned DestReg, int FrameIndex,
-                            const TargetRegisterClass *RC) const;
+  const unsigned *getCalleeSavedRegs(const MachineFunction *MF = 0) const;
 
-  void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
-                    unsigned DestReg, unsigned SrcReg,
-                    const TargetRegisterClass *RC) const;
+  const TargetRegisterClass* const* getCalleeSavedRegClasses(
+                                     const MachineFunction *MF = 0) const;
+
+  BitVector getReservedRegs(const MachineFunction &MF) const;
+
+  bool hasFP(const MachineFunction &MF) const;
 
   void eliminateCallFramePseudoInstr(MachineFunction &MF,
                                      MachineBasicBlock &MBB,
                                      MachineBasicBlock::iterator I) const;
 
-  void eliminateFrameIndex(MachineBasicBlock::iterator II) const;
+  void eliminateFrameIndex(MachineBasicBlock::iterator II,
+                           int SPAdj, RegScavenger *RS = NULL) const;
 
   void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
 
   void emitPrologue(MachineFunction &MF) const;
   void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
+  
+  // Debug information queries.
+  unsigned getRARegister() const;
+  unsigned getFrameRegister(MachineFunction &MF) const;
+
+  // Exception handling queries.
+  unsigned getEHExceptionRegister() const;
+  unsigned getEHHandlerRegister() const;
+
+  int getDwarfRegNum(unsigned RegNum, bool isEH) const;
 };
 
 } // end namespace llvm