Address review comments: add 3 ARM calling conventions.
Dispatch C calling conv. to one of these conventions based on
target triple and subtarget features.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73530 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.h b/lib/Target/ARM/ARMISelLowering.h
index 2dab2db..8f53e39 100644
--- a/lib/Target/ARM/ARMISelLowering.h
+++ b/lib/Target/ARM/ARMISelLowering.h
@@ -151,6 +151,7 @@
     ///
     unsigned ARMPCLabelIndex;
 
+    CCAssignFn *CCAssignFnForNode(unsigned CC, bool Return) const;
     SDValue LowerMemOpCallTo(CallSDNode *TheCall, SelectionDAG &DAG,
                              const SDValue &StackPtr, const CCValAssign &VA,
                              SDValue Chain, SDValue Arg, ISD::ArgFlagsTy Flags);