[llvm] [AIX] Support per global code model. (PR #79202)

[zhijian lin via llvm-commits]

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@@ -493,25 +493,16 @@ static CodeModel::Model getCodeModel(const PPCSubtarget &S,
   return ModuleModel;
 }
 
-static void checkPerGlobalCodeModel(const GlobalValue *GV, MCSymbol *Sym) {
-  // ELF per global code model not supported yet.
-  if (!isa<MCSymbolXCOFF>(Sym))
-    return;
-
+static std::optional<CodeModel::Model>
+hasPerGlobalCodeModel(const GlobalValue *GV) {
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diggerlin wrote:

nit , the functionality looks like to get the  CodeModel::Model , change the function name to `getPerGlobalCodeModel`

https://github.com/llvm/llvm-project/pull/79202