From c6db895ece082dae842b791377bcdaa0523f78c2 Mon Sep 17 00:00:00 2001
From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Thu, 7 Jul 2016 11:12:02 +0000
Subject: [PATCH] Fix "not all control paths return a value" warning on MSVC

llvm-svn: 274746
---
 clang/lib/Basic/Targets.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index 38e77f0d1aca..4d784d5694ac 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -1804,6 +1804,8 @@ public:
           return "610";
         case CudaArch::SM_62:
           return "620";
+         default:
+           llvm_unreachable("unhandled CudaArch");
         }
       }();
       Builder.defineMacro("__CUDA_ARCH__", CUDAArchCode);