Fix some comment typos.

[oota-llvm.git] / lib / Target / ARM / ARMRegisterInfo.h

diff --git a/lib/Target/ARM/ARMRegisterInfo.h b/lib/Target/ARM/ARMRegisterInfo.h
index 1154c0542b33e1c8def90ebd887b616661686148..e2e650e4af930f562156a97e93c5b6ac8809a781 100644 (file)
--- a/lib/Target/ARM/ARMRegisterInfo.h
+++ b/lib/Target/ARM/ARMRegisterInfo.h
@@ -1,4 +1,4 @@
-//===- ARMRegisterInfo.h - ARM Register Information Impl --------*- C++ -*-===//
+//===-- ARMRegisterInfo.h - ARM Register Information Impl -------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -11,123 +11,19 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef ARMREGISTERINFO_H
-#define ARMREGISTERINFO_H
+#ifndef LLVM_LIB_TARGET_ARM_ARMREGISTERINFO_H
+#define LLVM_LIB_TARGET_ARM_ARMREGISTERINFO_H
 
-#include "ARM.h"
-#include "llvm/Target/TargetRegisterInfo.h"
-#include "ARMGenRegisterInfo.h.inc"
+#include "ARMBaseRegisterInfo.h"
 
 namespace llvm {
-  class ARMSubtarget;
-  class TargetInstrInfo;
-  class Type;
 
-/// Register allocation hints.
-namespace ARMRI {
-  enum {
-    RegPairOdd  = 1,
-    RegPairEven = 2
-  };
-}
-
-struct ARMBaseRegisterInfo : public ARMGenRegisterInfo {
-protected:
-  const TargetInstrInfo &TII;
-  const ARMSubtarget &STI;
-
-  /// FramePtr - ARM physical register used as frame ptr.
-  unsigned FramePtr;
-public:
-  ARMBaseRegisterInfo(const TargetInstrInfo &tii, const ARMSubtarget &STI);
-
-  /// getRegisterNumbering - Given the enum value for some register, e.g.
-  /// ARM::LR, return the number that it corresponds to (e.g. 14).
-  static unsigned getRegisterNumbering(unsigned RegEnum);
-
-  /// Same as previous getRegisterNumbering except it returns true in isSPVFP
-  /// if the register is a single precision VFP register.
-  static unsigned getRegisterNumbering(unsigned RegEnum, bool &isSPVFP);
-
-  /// Code Generation virtual methods...
-  const unsigned *getCalleeSavedRegs(const MachineFunction *MF = 0) const;
-
-  const TargetRegisterClass* const*
-  getCalleeSavedRegClasses(const MachineFunction *MF = 0) const;
-
-  BitVector getReservedRegs(const MachineFunction &MF) const;
-
-  bool isReservedReg(const MachineFunction &MF, unsigned Reg) const;
-
-  const TargetRegisterClass *getPointerRegClass() const;
-
-  std::pair<TargetRegisterClass::iterator,TargetRegisterClass::iterator>
-  getAllocationOrder(const TargetRegisterClass *RC,
-                     unsigned HintType, unsigned HintReg,
-                     const MachineFunction &MF) const;
-
-  unsigned ResolveRegAllocHint(unsigned Type, unsigned Reg,
-                               const MachineFunction &MF) const;
-
-  void UpdateRegAllocHint(unsigned Reg, unsigned NewReg,
-                          MachineFunction &MF) const;
-
-  bool hasFP(const MachineFunction &MF) const;
-
-  void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
-                                            RegScavenger *RS = NULL) 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;
-
-  bool isLowRegister(unsigned Reg) const;
-
-private:
-  unsigned getRegisterPairEven(unsigned Reg, const MachineFunction &MF) const;
-
-  unsigned getRegisterPairOdd(unsigned Reg, const MachineFunction &MF) const;
-};
+class ARMSubtarget;
 
 struct ARMRegisterInfo : public ARMBaseRegisterInfo {
+  virtual void anchor();
 public:
-  ARMRegisterInfo(const TargetInstrInfo &tii, const ARMSubtarget &STI);
-
-  /// emitLoadConstPool - Emits a load from constpool to materialize the
-  /// specified immediate.
-  void emitLoadConstPool(MachineBasicBlock &MBB,
-                         MachineBasicBlock::iterator &MBBI,
-                         unsigned DestReg, int Val,
-                         unsigned Pred, unsigned PredReg,
-                         const TargetInstrInfo *TII,
-                         DebugLoc dl) const;
-
-  /// Code Generation virtual methods...
-  bool isReservedReg(const MachineFunction &MF, unsigned Reg) const;
-
-  bool requiresRegisterScavenging(const MachineFunction &MF) const;
-
-  bool hasReservedCallFrame(MachineFunction &MF) const;
-
-  void eliminateCallFramePseudoInstr(MachineFunction &MF,
-                                     MachineBasicBlock &MBB,
-                                     MachineBasicBlock::iterator I) const;
-
-  void eliminateFrameIndex(MachineBasicBlock::iterator II,
-                           int SPAdj, RegScavenger *RS = NULL) const;
-
-  void emitPrologue(MachineFunction &MF) const;
-  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
-
-  void emitSPUpdate(MachineBasicBlock &MBB, MachineBasicBlock::iterator &MBBI,
-                    int NumBytes, ARMCC::CondCodes Pred, unsigned PredReg,
-                    const TargetInstrInfo &TII, DebugLoc dl) const;
+  ARMRegisterInfo();
 };
 
 } // end namespace llvm