ARM use a dedicated printer for postidx_reg operands.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136968 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/InstPrinter/ARMInstPrinter.h b/lib/Target/ARM/InstPrinter/ARMInstPrinter.h
index ac78d02..8b94ec5 100644
--- a/lib/Target/ARM/InstPrinter/ARMInstPrinter.h
+++ b/lib/Target/ARM/InstPrinter/ARMInstPrinter.h
@@ -55,6 +55,7 @@
   void printAM3PreOrOffsetIndexOp(const MCInst *MI, unsigned Op,raw_ostream &O);
   void printPostIdxImm8Operand(const MCInst *MI, unsigned OpNum,
                                raw_ostream &O);
+  void printPostIdxRegOperand(const MCInst *MI, unsigned OpNum, raw_ostream &O);
   void printPostIdxImm8s4Operand(const MCInst *MI, unsigned OpNum,
                                raw_ostream &O);