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

[Teresa Johnson via llvm-commits]

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@@ -1168,9 +1168,13 @@ PassBuilder::buildModuleSimplificationPipeline(OptimizationLevel Level,
                       /*IsCS=*/false, PGOOpt->AtomicCounterUpdate,
                       PGOOpt->ProfileFile, PGOOpt->ProfileRemappingFile,
                       PGOOpt->FS);
+  } else if (IsCtxProfGen) {
+    MPM.addPass(PGOInstrumentationGen(false));
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teresajohnson wrote:

document constant parameter

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