[llvm] [ctx_profile] Decouple ctx instrumentation from PGOOpt (PR #92445)

[Mircea Trofin via llvm-commits]

================
@@ -1157,8 +1153,12 @@ PassBuilder::buildModuleSimplificationPipeline(OptimizationLevel Level,
   const bool IsPGOInstrUse =
       IsPGOPreLink && PGOOpt->Action == PGOOptions::IRUse;
   const bool IsMemprofUse = IsPGOPreLink && !PGOOpt->MemoryProfile.empty();
+  // We don't want to mix pgo ctx gen and pgo gen; we also don't currently
----------------
mtrofin wrote:

done.

https://github.com/llvm/llvm-project/pull/92445