[clang] [llvm] [AIX][TOC] Add -mtocdata/-mno-tocdata options on AIX (PR #67999)

[Fangrui Song via cfe-commits]

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@@ -265,6 +269,63 @@ bool AIXTargetCodeGenInfo::initDwarfEHRegSizeTable(
   return PPC_initDwarfEHRegSizeTable(CGF, Address, Is64Bit, /*IsAIX*/ true);
 }
 
+void AIXTargetCodeGenInfo::setTargetAttributes(
+    const Decl *D, llvm::GlobalValue *GV, CodeGen::CodeGenModule &M) const {
+  if (auto *GVar = dyn_cast<llvm::GlobalVariable>(GV)) {
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MaskRay wrote:

We prefer early-return pattern for this `if` use.

https://github.com/llvm/llvm-project/pull/67999