[clang] [llvm] [clang] Simplify device kernel attributes (PR #137882)

[Matt Arsenault via llvm-commits]

================
@@ -292,7 +292,7 @@ void NVPTXTargetCodeGenInfo::setTargetAttributes(
   }
 
   // Attach kernel metadata directly if compiling for NVPTX.
-  if (FD->hasAttr<NVPTXKernelAttr>()) {
+  if (FD->hasAttr<DeviceKernelAttr>()) {
     F->setCallingConv(llvm::CallingConv::PTX_Kernel);
----------------
arsenm wrote:

This is now set in the 2 language paths,, there's additional code that can be folded now

https://github.com/llvm/llvm-project/pull/137882