split LowerMEMCPY into LowerMEMCPYCall and LowerMEMCPYInline in the ARM backend.

[oota-llvm.git] / lib / Target / Alpha / AlphaRegisterInfo.h

diff --git a/lib/Target/Alpha/AlphaRegisterInfo.h b/lib/Target/Alpha/AlphaRegisterInfo.h
index c34ae3b686752c6767450b74810529cbd1e490d3..8cccacfcea9809378404b79feb20e2d5756efae8 100644 (file)
--- a/lib/Target/Alpha/AlphaRegisterInfo.h
+++ b/lib/Target/Alpha/AlphaRegisterInfo.h
@@ -1,10 +1,10 @@
-//===- AlphaRegisterInfo.h - Alpha Register Information Impl -----*- C++ -*-==//
-// 
+//===- AlphaRegisterInfo.h - Alpha 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 contains the Alpha implementation of the MRegisterInfo class.
@@ -19,36 +19,80 @@
 
 namespace llvm {
 
+class TargetInstrInfo;
 class Type;
 
 struct AlphaRegisterInfo : public AlphaGenRegisterInfo {
-  AlphaRegisterInfo();
-  const TargetRegisterClass* getRegClassForType(const Type* Ty) const;
+  const TargetInstrInfo &TII;
+
+  AlphaRegisterInfo(const TargetInstrInfo &tii);
 
   /// Code Generation virtual methods...
   void storeRegToStackSlot(MachineBasicBlock &MBB,
                            MachineBasicBlock::iterator MBBI,
-                           unsigned SrcReg, int FrameIndex) const;
+                           unsigned SrcReg, int FrameIndex,
+                           const TargetRegisterClass *RC) const;
+
+  void storeRegToAddr(MachineFunction &MF, unsigned SrcReg,
+                      SmallVectorImpl<MachineOperand> &Addr,
+                      const TargetRegisterClass *RC,
+                      SmallVectorImpl<MachineInstr*> &NewMIs) const;
 
   void loadRegFromStackSlot(MachineBasicBlock &MBB,
                             MachineBasicBlock::iterator MBBI,
-                            unsigned DestReg, int FrameIndex) const;
+                            unsigned DestReg, int FrameIndex,
+                            const TargetRegisterClass *RC) const;
   
+  void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
+                       SmallVectorImpl<MachineOperand> &Addr,
+                       const TargetRegisterClass *RC,
+                       SmallVectorImpl<MachineInstr*> &NewMIs) const;
+
+  MachineInstr* foldMemoryOperand(MachineInstr *MI, unsigned OpNum, 
+                                  int FrameIndex) const;
+
+  MachineInstr* foldMemoryOperand(MachineInstr* MI, unsigned OpNum,
+                                  MachineInstr* LoadMI) const {
+    return 0;
+  }
+
   void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
                     unsigned DestReg, unsigned SrcReg,
-                    const TargetRegisterClass *RC) const;
+                    const TargetRegisterClass *DestRC,
+                    const TargetRegisterClass *SrcRC) const;
+
+  void reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
+                     unsigned DestReg, const MachineInstr *Orig) const;
+
+  const unsigned *getCalleeSavedRegs(const MachineFunction *MF = 0) 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;
+
   static std::string getPrettyName(unsigned reg);
 };