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

[Chen Zheng via llvm-commits]

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@@ -194,6 +202,46 @@ bool PPCSubtarget::isGVIndirectSymbol(const GlobalValue *GV) const {
   return true;
 }
 
+CodeModel::Model PPCSubtarget::getCodeModel(const TargetMachine &TM,
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chenzheng1030 wrote:

Thanks for addressing the comments. Maybe you are still working on the refactor, but since now you add this function, should we remove the ones in `llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp` and `llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp`?

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