Add gfx909 to GPU Arch

Subscribers: jholewinski, cfe-commits

Differential Revision: https://reviews.llvm.org/D53558

llvm-svn: 345198
diff --git a/clang/lib/Basic/Targets/NVPTX.cpp b/clang/lib/Basic/Targets/NVPTX.cpp
index 7dd344b..ca41c4d 100644
--- a/clang/lib/Basic/Targets/NVPTX.cpp
+++ b/clang/lib/Basic/Targets/NVPTX.cpp
@@ -190,6 +190,7 @@
       case CudaArch::GFX902:
       case CudaArch::GFX904:
       case CudaArch::GFX906:
+      case CudaArch::GFX909:
       case CudaArch::LAST:
         break;
       case CudaArch::UNKNOWN: