First part of refactoring ARM addrmode2 (load/store) instructions to be more

[oota-llvm.git] / lib / Target / ARM / Thumb2InstrInfo.h

diff --git a/lib/Target/ARM/Thumb2InstrInfo.h b/lib/Target/ARM/Thumb2InstrInfo.h
index 3f233c47868b216c314628cf1a4a958d072ed98b..b348ad01911a0aa5c99e7db63f647e3662afc847 100644 (file)
--- a/lib/Target/ARM/Thumb2InstrInfo.h
+++ b/lib/Target/ARM/Thumb2InstrInfo.h
@@ -20,7 +20,8 @@
 #include "Thumb2RegisterInfo.h"
 
 namespace llvm {
-  class ARMSubtarget;
+class ARMSubtarget;
+class ScheduleHazardRecognizer;
 
 class Thumb2InstrInfo : public ARMBaseInstrInfo {
   Thumb2RegisterInfo RI;
@@ -31,12 +32,22 @@ public:
   // if there is not such an opcode.
   unsigned getUnindexedOpcode(unsigned Opc) const;
 
-  bool copyRegToReg(MachineBasicBlock &MBB,
-                    MachineBasicBlock::iterator I,
-                    unsigned DestReg, unsigned SrcReg,
-                    const TargetRegisterClass *DestRC,
-                    const TargetRegisterClass *SrcRC,
-                    DebugLoc DL) const;
+  void ReplaceTailWithBranchTo(MachineBasicBlock::iterator Tail,
+                               MachineBasicBlock *NewDest) const;
+
+  bool isLegalToSplitMBBAt(MachineBasicBlock &MBB,
+                           MachineBasicBlock::iterator MBBI) const;
+
+  bool isProfitableToIfCvt(MachineBasicBlock &MBB, unsigned NumInstrs,
+                           float Prediction, float Confidence) const;
+  bool isProfitableToIfCvt(MachineBasicBlock &TMBB, unsigned NumTInstrs,
+                           MachineBasicBlock &FMBB, unsigned NumFInstrs,
+                           float Prediction, float Confidence) const;
+
+  void copyPhysReg(MachineBasicBlock &MBB,
+                   MachineBasicBlock::iterator I, DebugLoc DL,
+                   unsigned DestReg, unsigned SrcReg,
+                   bool KillSrc) const;
 
   void storeRegToStackSlot(MachineBasicBlock &MBB,
                            MachineBasicBlock::iterator MBBI,
@@ -60,7 +71,17 @@ public:
   /// always be able to get register info as well (through this method).
   ///
   const Thumb2RegisterInfo &getRegisterInfo() const { return RI; }
+
+  ScheduleHazardRecognizer *
+  CreateTargetPostRAHazardRecognizer(const InstrItineraryData *II) const;
 };
+
+/// getITInstrPredicate - Valid only in Thumb2 mode. This function is identical
+/// to llvm::getInstrPredicate except it returns AL for conditional branch
+/// instructions which are "predicated", but are not in IT blocks.
+ARMCC::CondCodes getITInstrPredicate(const MachineInstr *MI, unsigned &PredReg);
+
+
 }
 
 #endif // THUMB2INSTRUCTIONINFO_H