[llvm] Invalidate analyses after running Attributor in OpenMPOpt (PR #74908)

[Johannes Doerfert via llvm-commits]

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@@ -1157,6 +1157,8 @@ struct AnalysisGetter {
     return nullptr;
   }
 
+  void invalidateAnalyses() { FAM->clear(); }
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jdoerfert wrote:

documentation.

https://github.com/llvm/llvm-project/pull/74908