[mips] Define a helper function which creates an instruction with the same

[oota-llvm.git] / lib / Target / Mips / Mips16RegisterInfo.h

diff --git a/lib/Target/Mips/Mips16RegisterInfo.h b/lib/Target/Mips/Mips16RegisterInfo.h
index b0a39d9d2ea7cec245facbb92b26a63bd20c8e64..2b3d2b1a4ecb2bb1880fd2423d0b8bf20c1008cf 100644 (file)
--- a/lib/Target/Mips/Mips16RegisterInfo.h
+++ b/lib/Target/Mips/Mips16RegisterInfo.h
@@ -17,11 +17,27 @@
 #include "MipsRegisterInfo.h"
 
 namespace llvm {
+class Mips16InstrInfo;
 
 class Mips16RegisterInfo : public MipsRegisterInfo {
+  const Mips16InstrInfo &TII;
 public:
   Mips16RegisterInfo(const MipsSubtarget &Subtarget,
-                     const TargetInstrInfo &TII);
+                     const Mips16InstrInfo &TII);
+
+  bool requiresRegisterScavenging(const MachineFunction &MF) const;
+
+  bool requiresFrameIndexScavenging(const MachineFunction &MF) const;
+
+  bool useFPForScavengingIndex(const MachineFunction &MF) const;
+
+  bool saveScavengerRegister(MachineBasicBlock &MBB,
+                                     MachineBasicBlock::iterator I,
+                                     MachineBasicBlock::iterator &UseMI,
+                                     const TargetRegisterClass *RC,
+                                     unsigned Reg) const;
+
+  virtual const TargetRegisterClass *intRegClass(unsigned Size) const;
 
 private:
   virtual void eliminateFI(MachineBasicBlock::iterator II, unsigned OpNo,