Add missing break in switch case in R600ISelLowering

Summary: Catched by coverity.

Reviewers: arsenm

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D11120

From: Mehdi Amini <mehdi.amini@apple.com>
llvm-svn: 242388
diff --git a/llvm/lib/Target/AMDGPU/R600ISelLowering.cpp b/llvm/lib/Target/AMDGPU/R600ISelLowering.cpp
index 4e4d554..ecda332 100644
--- a/llvm/lib/Target/AMDGPU/R600ISelLowering.cpp
+++ b/llvm/lib/Target/AMDGPU/R600ISelLowering.cpp
@@ -1936,6 +1936,7 @@
             Arg->getOperand(0).getOperand(Element));
       }
     }
+    break;
   }
 
   case ISD::SELECT_CC: {