[SPARC] Revamp AnalyzeBranch and add ReverseBranchCondition.

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

diff --git a/lib/Target/Sparc/SparcInstrInfo.h b/lib/Target/Sparc/SparcInstrInfo.h
index 067fb91cb2640e360f1638f776bb8f1aaa66afe3..9de624cc95829f071c1b59f8f74d06c79a29a814 100644 (file)
--- a/lib/Target/Sparc/SparcInstrInfo.h
+++ b/lib/Target/Sparc/SparcInstrInfo.h
@@ -1,66 +1,102 @@
-//===- SparcV8InstrInfo.h - SparcV8 Instruction Information -----*- C++ -*-===//
+//===-- SparcInstrInfo.h - Sparc Instruction Information --------*- 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 SparcV8 implementation of the TargetInstrInfo class.
+// This file contains the Sparc implementation of the TargetInstrInfo class.
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef SPARCV8INSTRUCTIONINFO_H
-#define SPARCV8INSTRUCTIONINFO_H
+#ifndef LLVM_LIB_TARGET_SPARC_SPARCINSTRINFO_H
+#define LLVM_LIB_TARGET_SPARC_SPARCINSTRINFO_H
 
+#include "SparcRegisterInfo.h"
 #include "llvm/Target/TargetInstrInfo.h"
-#include "SparcV8RegisterInfo.h"
+
+#define GET_INSTRINFO_HEADER
+#include "SparcGenInstrInfo.inc"
 
 namespace llvm {
 
-/// V8II - This namespace holds all of the target specific flags that
+class SparcSubtarget;
+
+/// SPII - This namespace holds all of the target specific flags that
 /// instruction info tracks.
 ///
-namespace V8II {
+namespace SPII {
   enum {
     Pseudo = (1<<0),
     Load = (1<<1),
     Store = (1<<2),
     DelaySlot = (1<<3)
   };
-};
+}
 
-class SparcV8InstrInfo : public TargetInstrInfo {
-  const SparcV8RegisterInfo RI;
+class SparcInstrInfo : public SparcGenInstrInfo {
+  const SparcRegisterInfo RI;
+  const SparcSubtarget& Subtarget;
+  virtual void anchor();
 public:
-  SparcV8InstrInfo();
+  explicit SparcInstrInfo(SparcSubtarget &ST);
 
   /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info.  As
   /// such, whenever a client has an instance of instruction info, it should
   /// always be able to get register info as well (through this method).
   ///
-  virtual const MRegisterInfo &getRegisterInfo() const { return RI; }
+  const SparcRegisterInfo &getRegisterInfo() const { return RI; }
 
-  /// Return true if the instruction is a register to register move and
-  /// leave the source and dest operands in the passed parameters.
-  ///
-  virtual bool isMoveInstr(const MachineInstr &MI,
-                           unsigned &SrcReg, unsigned &DstReg) const;
-  
   /// isLoadFromStackSlot - If the specified machine instruction is a direct
   /// load from a stack slot, return the virtual or physical register number of
   /// the destination along with the FrameIndex of the loaded stack slot.  If
   /// not, return 0.  This predicate must return 0 if the instruction has
   /// any side effects other than loading from the stack slot.
-  virtual unsigned isLoadFromStackSlot(MachineInstr *MI, int &FrameIndex) const;
-  
+  unsigned isLoadFromStackSlot(const MachineInstr *MI,
+                               int &FrameIndex) const override;
+
   /// isStoreToStackSlot - If the specified machine instruction is a direct
   /// store to a stack slot, return the virtual or physical register number of
   /// the source reg along with the FrameIndex of the loaded stack slot.  If
   /// not, return 0.  This predicate must return 0 if the instruction has
   /// any side effects other than storing to the stack slot.
-  virtual unsigned isStoreToStackSlot(MachineInstr *MI, int &FrameIndex) const;
+  unsigned isStoreToStackSlot(const MachineInstr *MI,
+                              int &FrameIndex) const override;
+
+  bool AnalyzeBranch(MachineBasicBlock &MBB, MachineBasicBlock *&TBB,
+                     MachineBasicBlock *&FBB,
+                     SmallVectorImpl<MachineOperand> &Cond,
+                     bool AllowModify = false) const override ;
+
+  unsigned RemoveBranch(MachineBasicBlock &MBB) const override;
+
+  unsigned InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
+                        MachineBasicBlock *FBB, ArrayRef<MachineOperand> Cond,
+                        DebugLoc DL) const override;
+
+  bool
+  ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const override;
+
+  void copyPhysReg(MachineBasicBlock &MBB,
+                   MachineBasicBlock::iterator I, DebugLoc DL,
+                   unsigned DestReg, unsigned SrcReg,
+                   bool KillSrc) const override;
+
+  void storeRegToStackSlot(MachineBasicBlock &MBB,
+                           MachineBasicBlock::iterator MBBI,
+                           unsigned SrcReg, bool isKill, int FrameIndex,
+                           const TargetRegisterClass *RC,
+                           const TargetRegisterInfo *TRI) const override;
+
+  void loadRegFromStackSlot(MachineBasicBlock &MBB,
+                            MachineBasicBlock::iterator MBBI,
+                            unsigned DestReg, int FrameIndex,
+                            const TargetRegisterClass *RC,
+                            const TargetRegisterInfo *TRI) const override;
+
+  unsigned getGlobalBaseReg(MachineFunction *MF) const;
 };
 
 }