convert this to filecheck style and make it a test of darwin/PPC's
[oota-llvm.git] / lib / Target / Alpha / AlphaRegisterInfo.h
index 0ad04b44ea88013c5f2d16e7c92c52c9c1b3657a..5012fe8ccd1ec9b6d33d655289ecc2dd00503de6 100644 (file)
@@ -2,58 +2,67 @@
 //
 //                     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;
+  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;
+
   static std::string getPrettyName(unsigned reg);
+  
+private:
+  mutable int curgpdist;
 };
 
 } // end namespace llvm