[llvm] [ctx_prof] Insert the ctx prof flattener after the module inliner (PR #107499)

[David Li via llvm-commits]

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@@ -1744,11 +1749,14 @@ ModulePassManager PassBuilder::buildThinLTODefaultPipeline(
     MPM.addPass(GlobalDCEPass());
     return MPM;
   }
-
-  // Add the core simplification pipeline.
-  MPM.addPass(buildModuleSimplificationPipeline(
-      Level, ThinOrFullLTOPhase::ThinLTOPostLink));
-
+  if (!UseCtxProfile.empty()) {
+    MPM.addPass(
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david-xl wrote:

OR the intention is to do a quick e2e integration?

https://github.com/llvm/llvm-project/pull/107499