[clang] [clang] Fix inconsistencies with the device_kernel attr on different targets (PR #161905)

[Joseph Huber via cfe-commits]

================
@@ -240,6 +242,26 @@ void CommonSPIRTargetCodeGenInfo::setOCLKernelStubCallingConvention(
       FT, FT->getExtInfo().withCallingConv(CC_SpirFunction));
 }
 
+void CommonSPIRTargetCodeGenInfo::setTargetAttributes(
+    const Decl *D, llvm::GlobalValue *GV, CodeGen::CodeGenModule &M) const {
+  if (M.getLangOpts().OpenCL)
+    return;
+
+  if (GV->isDeclaration())
+    return;
----------------
jhuber6 wrote:

Can merge these.

https://github.com/llvm/llvm-project/pull/161905