Swift Calling Convention: swiftcc for ARM.

Differential Revision: http://reviews.llvm.org/D18769

llvm-svn: 265482
diff --git a/llvm/lib/Target/ARM/ARMFastISel.cpp b/llvm/lib/Target/ARM/ARMFastISel.cpp
index 6e41053..d4988b1 100644
--- a/llvm/lib/Target/ARM/ARMFastISel.cpp
+++ b/llvm/lib/Target/ARM/ARMFastISel.cpp
@@ -1859,6 +1859,7 @@
       return (Return ? RetCC_ARM_APCS: CC_ARM_APCS);
     }
   case CallingConv::ARM_AAPCS_VFP:
+  case CallingConv::Swift:
     if (!isVarArg)
       return (Return ? RetCC_ARM_AAPCS_VFP: CC_ARM_AAPCS_VFP);
     // Fall through to soft float variant, variadic functions don't
@@ -3007,6 +3008,7 @@
   case CallingConv::ARM_AAPCS_VFP:
   case CallingConv::ARM_AAPCS:
   case CallingConv::ARM_APCS:
+  case CallingConv::Swift:
     break;
   }