[CUDA] Show --cuda-gpu-arch option in clang --help.

For some reason it was hidden.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@265436 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Driver/Options.td b/include/clang/Driver/Options.td
index 9af204399929a98cb566dfdfa2d0741a08d3781b..67e875832a0e1123b91f77f29452a155435f9f9a 100644 (file)
--- a/include/clang/Driver/Options.td
+++ b/include/clang/Driver/Options.td
@@ -374,8 +374,8 @@ def c : Flag<["-"], "c">, Flags<[DriverOption]>,
   HelpText<"Only run preprocess, compile, and assemble steps">;
 def cuda_device_only : Flag<["--"], "cuda-device-only">,
   HelpText<"Do device-side CUDA compilation only">;
-def cuda_gpu_arch_EQ : Joined<["--"], "cuda-gpu-arch=">,
-  Flags<[DriverOption, HelpHidden]>, HelpText<"CUDA GPU architecture">;
+def cuda_gpu_arch_EQ : Joined<["--"], "cuda-gpu-arch=">, Flags<[DriverOption]>,
+  HelpText<"CUDA GPU architecture (e.g. sm_35).  May be specified more than once.">;
 def cuda_host_only : Flag<["--"], "cuda-host-only">,
   HelpText<"Do host-side CUDA compilation only">;
 def cuda_noopt_device_debug : Flag<["--"], "cuda-noopt-device-debug">,