[llvm] [PassBuilder] Replace `bool LTOPreLink` with `ThinOrFullLTOPhase Phase` (PR #114564)

[Nikita Popov via llvm-commits]

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@@ -1635,6 +1632,8 @@ PassBuilder::buildPerModuleDefaultPipeline(OptimizationLevel Level,
   // Emit annotation remarks.
   addAnnotationRemarksPass(MPM);
 
+  bool LTOPreLink = Phase == ThinOrFullLTOPhase::FullLTOPreLink ||
+                    Phase == ThinOrFullLTOPhase::ThinLTOPreLink;
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nikic wrote:

There's an `isLTOPreLink()` helper for this.

https://github.com/llvm/llvm-project/pull/114564