[SPARC] Revamp AnalyzeBranch and add ReverseBranchCondition.

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

diff --git a/lib/Target/Sparc/SparcRegisterInfo.h b/lib/Target/Sparc/SparcRegisterInfo.h
index bbb11f86dee029e29cf181984ac96ae144bc115c..32075b1df410bc2feafb8b8798b7b6de11025035 100644 (file)
--- a/lib/Target/Sparc/SparcRegisterInfo.h
+++ b/lib/Target/Sparc/SparcRegisterInfo.h
@@ -1,69 +1,51 @@
-//===- SparcRegisterInfo.h - Sparc 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 Sparc implementation of the MRegisterInfo class.
+// This file contains the Sparc implementation of the TargetRegisterInfo class.
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef SPARCREGISTERINFO_H
-#define SPARCREGISTERINFO_H
+#ifndef LLVM_LIB_TARGET_SPARC_SPARCREGISTERINFO_H
+#define LLVM_LIB_TARGET_SPARC_SPARCREGISTERINFO_H
 
-#include "llvm/Target/MRegisterInfo.h"
-#include "SparcGenRegisterInfo.h.inc"
+#include "llvm/Target/TargetRegisterInfo.h"
 
-namespace llvm {
-
-class SparcSubtarget;
-class Type;
+#define GET_REGINFO_HEADER
+#include "SparcGenRegisterInfo.inc"
 
+namespace llvm {
 struct SparcRegisterInfo : public SparcGenRegisterInfo {
-  SparcSubtarget &Subtarget;
-  
-  SparcRegisterInfo(SparcSubtarget &st);
+  SparcRegisterInfo();
 
   /// Code Generation virtual methods...
-  void storeRegToStackSlot(MachineBasicBlock &MBB,
-                           MachineBasicBlock::iterator MBBI,
-                           unsigned SrcReg, int FrameIndex,
-                           const TargetRegisterClass *RC) const;
+  const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
+  const uint32_t *getCallPreservedMask(const MachineFunction &MF,
+                                       CallingConv::ID CC) const override;
 
-  void loadRegFromStackSlot(MachineBasicBlock &MBB,
-                            MachineBasicBlock::iterator MBBI,
-                            unsigned DestReg, int FrameIndex,
-                            const TargetRegisterClass *RC) const;
+  const uint32_t* getRTCallPreservedMask(CallingConv::ID CC) const;
 
-  void copyRegToReg(MachineBasicBlock &MBB, MachineBasicBlock::iterator MBBI,
-                    unsigned DestReg, unsigned SrcReg,
-                    const TargetRegisterClass *RC) const;
-  
-  virtual MachineInstr* foldMemoryOperand(MachineInstr* MI,
-                                          unsigned OpNum,
-                                          int FrameIndex) const;
+  BitVector getReservedRegs(const MachineFunction &MF) const override;
 
-  const unsigned *getCalleeSaveRegs() const;
+  const TargetRegisterClass *getPointerRegClass(const MachineFunction &MF,
+                                                unsigned Kind) const override;
 
-  const TargetRegisterClass* const* getCalleeSaveRegClasses() const;
+  void eliminateFrameIndex(MachineBasicBlock::iterator II,
+                           int SPAdj, unsigned FIOperandNum,
+                           RegScavenger *RS = nullptr) const override;
 
-  void eliminateCallFramePseudoInstr(MachineFunction &MF,
-                                     MachineBasicBlock &MBB,
-                                     MachineBasicBlock::iterator I) const;
+  void processFunctionBeforeFrameFinalized(MachineFunction &MF,
+                                       RegScavenger *RS = nullptr) const;
 
-  void eliminateFrameIndex(MachineBasicBlock::iterator II) const;
+  unsigned getFrameRegister(const MachineFunction &MF) const override;
 
-  void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
+  bool canRealignStack(const MachineFunction &MF) const override;
 
-  void emitPrologue(MachineFunction &MF) const;
-  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
-  
-  // Debug information queries.
-  unsigned getRARegister() const;
-  unsigned getFrameRegister(MachineFunction &MF) const;
 };
 
 } // end namespace llvm