Added prototypes for emitting prologue and epilogue for function code

generation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4927 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Target/MRegisterInfo.h b/include/llvm/Target/MRegisterInfo.h
index 2b7c87b696f647f2750d0331a37cd79d9a01c3cb..099fc9a95fab58a7caa3a9587dc39e8aa23c7de0 100644 (file)
--- a/include/llvm/Target/MRegisterInfo.h
+++ b/include/llvm/Target/MRegisterInfo.h
@@ -129,6 +129,16 @@ public:
                     unsigned DestReg, unsigned SrcReg,
                     unsigned ImmOffset, unsigned dataSize) const = 0;
 
+  virtual MachineBasicBlock::iterator
+  emitPrologue(MachineBasicBlock *MBB,
+               MachineBasicBlock::iterator MBBI,
+               unsigned numBytes) const = 0;
+
+  virtual MachineBasicBlock::iterator
+  emitEpilogue(MachineBasicBlock *MBB,
+               MachineBasicBlock::iterator MBBI,
+               unsigned numBytes) const = 0;
+
   virtual const unsigned* getCalleeSaveRegs() const = 0;
   virtual const unsigned* getCallerSaveRegs() const = 0;