r274799 - Update switch statement to match coding standards.

[Simon Pilgrim via cfe-commits]

Author: rksimon
Date: Thu Jul  7 17:32:26 2016
New Revision: 274799

URL: http://llvm.org/viewvc/llvm-project?rev=274799&view=rev
Log:
Update switch statement to match coding standards.

Modified:
    cfe/trunk/lib/Basic/Targets.cpp

Modified: cfe/trunk/lib/Basic/Targets.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=274799&r1=274798&r2=274799&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Thu Jul  7 17:32:26 2016
@@ -1777,7 +1777,7 @@ public:
       // Set __CUDA_ARCH__ for the GPU specified.
       std::string CUDAArchCode = [this] {
         switch (GPU) {
-        default:
+        case CudaArch::UNKNOWN:
           assert(false && "No GPU arch when compiling CUDA device code.");
           return "";
         case CudaArch::SM_20:
@@ -1805,6 +1805,7 @@ public:
         case CudaArch::SM_62:
           return "620";
         }
+        llvm_unreachable("unhandled CudaArch");
       }();
       Builder.defineMacro("__CUDA_ARCH__", CUDAArchCode);
     }