[clang] [llvm] [PowerPC][AIX] Support #pragma comment copyright for AIX (PR #178184)

[Tony Varghese via cfe-commits]

================
@@ -3514,6 +3520,40 @@ void CodeGenModule::AddDependentLib(StringRef Lib) {
   LinkerOptionsMetadata.push_back(llvm::MDNode::get(C, MDOpts));
 }
 
+/// Process copyright pragma and create LLVM metadata.
+/// #pragma comment(copyright, "string") embeds copyright information into a
+/// loadable program-data section of the object file for inclusion in the linked
+/// module.
+///
+/// Example: #pragma comment(copyright, "Copyright string")
+///
+/// This should only be called once per translation unit.
+void CodeGenModule::ProcessPragmaComment(PragmaMSCommentKind Kind,
+                                         StringRef Comment,
+                                         bool isFromASTFile) {
+  // Target Guard: Only AIX supports PCK_Copyright currently.
+  assert(getTriple().isOSAIX() &&
+         "pragma comment copyright is supported only on AIX target");
----------------
tonykuttai wrote:

Used "pragma comment copyright is supported only when targeting AIX" as suggested above

https://github.com/llvm/llvm-project/pull/178184