From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Thu, 7 Jul 2016 11:24:38 +0000 (+0000)
Subject: Fix "not all control paths return a value" warning on MSVC
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7142d85ff4723154052125fed2bf539fa7481bd9;p=clang

Fix "not all control paths return a value" warning on MSVC

This time without causing a 'all enums handled' warning on other compilers.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@274748 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 4d784d5694..80b44fc635 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -1777,7 +1777,7 @@ public:
       // Set __CUDA_ARCH__ for the GPU specified.
       std::string CUDAArchCode = [this] {
         switch (GPU) {
-        case CudaArch::UNKNOWN:
+        default:
           assert(false && "No GPU arch when compiling CUDA device code.");
           return "";
         case CudaArch::SM_20:
@@ -1804,8 +1804,6 @@ public:
           return "610";
         case CudaArch::SM_62:
           return "620";
-         default:
-           llvm_unreachable("unhandled CudaArch");
         }
       }();
       Builder.defineMacro("__CUDA_ARCH__", CUDAArchCode);