[lld] [llvm] [LTO] Override TargetABI from module flags if present when creating T… (PR #126497)

[Teresa Johnson via llvm-commits]

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@@ -221,8 +221,18 @@ createTargetMachine(const Config &Conf, const Target *TheTarget, Module &M) {
   else
     CodeModel = M.getCodeModel();
 
+  TargetOptions TargetOpts = Conf.Options;
+
+  if (TargetOpts.MCOptions.ABIName.empty()) {
+    Metadata *ABI = M.getModuleFlag("target-abi");
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teresajohnson wrote:

I'm not sure what the current status is of PR100833, but note it adds a facility to get this module flag to Module.h. Consider adding that here so they are commoned.

https://github.com/llvm/llvm-project/pull/126497