Rename -mlink-cuda-bitcode to -mlink-builtin-bitcode

The same semantics work for OpenCL, and probably any offload
language. Keep the old name around as an alias.

llvm-svn: 340193
diff --git a/clang/lib/Driver/ToolChains/Cuda.cpp b/clang/lib/Driver/ToolChains/Cuda.cpp
index 7fb4ae4..73e6501 100644
--- a/clang/lib/Driver/ToolChains/Cuda.cpp
+++ b/clang/lib/Driver/ToolChains/Cuda.cpp
@@ -621,7 +621,7 @@
     return;
   }
 
-  CC1Args.push_back("-mlink-cuda-bitcode");
+  CC1Args.push_back("-mlink-builtin-bitcode");
   CC1Args.push_back(DriverArgs.MakeArgString(LibDeviceFile));
 
   // Libdevice in CUDA-7.0 requires PTX version that's more recent than LLVM
@@ -667,7 +667,7 @@
       SmallString<128> LibOmpTargetFile(LibraryPath);
       llvm::sys::path::append(LibOmpTargetFile, LibOmpTargetName);
       if (llvm::sys::fs::exists(LibOmpTargetFile)) {
-        CC1Args.push_back("-mlink-cuda-bitcode");
+        CC1Args.push_back("-mlink-builtin-bitcode");
         CC1Args.push_back(DriverArgs.MakeArgString(LibOmpTargetFile));
         FoundBCLibrary = true;
         break;