X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FMips%2FMipsRegisterInfo.h;h=0716d29b2f385883d7bcec22e45a54569a8bf3db;hb=885020a7a7299c0cfc12f691bc298e0f41d02190;hp=4ebb736975628be74d68114cbfd8017508544f4d;hpb=aee4af68ae2016afc5b4ec0c430e539c5810a766;p=oota-llvm.git

diff --git a/lib/Target/Mips/MipsRegisterInfo.h b/lib/Target/Mips/MipsRegisterInfo.h
index 4ebb7369756..0716d29b2f3 100644
--- a/lib/Target/Mips/MipsRegisterInfo.h
+++ b/lib/Target/Mips/MipsRegisterInfo.h
@@ -1,84 +1,53 @@
-//===- MipsRegisterInfo.h - Mips Register Information Impl ------*- C++ -*-===//
+//===-- MipsRegisterInfo.h - Mips Register Information Impl -----*- C++ -*-===//
 //
 //                     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 "MipsGenRegisterInfo.h.inc"
+#include "Mips.h"
+#include "llvm/Target/TargetRegisterInfo.h"
 
-namespace llvm {
+#define GET_REGINFO_HEADER
+#include "MipsGenRegisterInfo.inc"
 
+namespace llvm {
+class MipsSubtarget;
 class TargetInstrInfo;
 class Type;
 
 struct MipsRegisterInfo : public MipsGenRegisterInfo {
+  const MipsSubtarget &Subtarget;
   const TargetInstrInfo &TII;
-  
-  MipsRegisterInfo(const TargetInstrInfo &tii);
+
+  MipsRegisterInfo(const MipsSubtarget &Subtarget, const TargetInstrInfo &tii);
 
   /// 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);
 
+  /// Get PIC indirect call register
+  static unsigned getPICCallReg();
+
+  /// Adjust the Mips stack frame.
+  void adjustMipsStackFrame(MachineFunction &MF) const;
+
   /// Code Generation virtual methods...
-  void storeRegToStackSlot(MachineBasicBlock &MBB,
-                           MachineBasicBlock::iterator MBBI,
-                           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 TargetRegisterClass *RC) const;
-
-  void loadRegFromAddr(MachineFunction &MF, unsigned DestReg,
-                       SmallVectorImpl<MachineOperand> &Addr,
-                       const TargetRegisterClass *RC,
-                       SmallVectorImpl<MachineInstr*> &NewMIs) const;
-
-  void reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
-                     unsigned DestReg, const MachineInstr *Orig) const;
-
-  MachineInstr* foldMemoryOperand(MachineInstr* MI,
-                                  SmallVectorImpl<unsigned> &Ops,
-                                  int FrameIndex) const;
-
-  MachineInstr* foldMemoryOperand(MachineInstr* MI,
-                                  SmallVectorImpl<unsigned> &Ops,
-                                  MachineInstr* LoadMI) const {
-    return 0;
-  }
-
-  void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
-          unsigned DestReg, unsigned SrcReg,
-          const TargetRegisterClass *DestRC,
-          const TargetRegisterClass *SrcRC) const;
-  
-
-  const unsigned *getCalleeSavedRegs(const MachineFunction* MF = 0) const;
-
-  const TargetRegisterClass* const*
-  getCalleeSavedRegClasses(const MachineFunction* MF = 0) const;
+  const uint16_t *getCalleeSavedRegs(const MachineFunction* MF = 0) const;
+  const uint32_t *getCallPreservedMask(CallingConv::ID) const;
 
   BitVector getReservedRegs(const MachineFunction &MF) const;
 
-  bool hasFP(const MachineFunction &MF) const;
+  virtual bool requiresRegisterScavenging(const MachineFunction &MF) const;
 
   void eliminateCallFramePseudoInstr(MachineFunction &MF,
                                      MachineBasicBlock &MBB,
@@ -90,18 +59,12 @@ struct MipsRegisterInfo : public MipsGenRegisterInfo {
 
   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;
+  unsigned getFrameRegister(const MachineFunction &MF) const;
 
   /// Exception handling queries.
   unsigned getEHExceptionRegister() const;
   unsigned getEHHandlerRegister() const;
-
-  int getDwarfRegNum(unsigned RegNum, bool isEH) const;
 };
 
 } // end namespace llvm