[llvm] [InstCombine] Add assumption to preserve deref info after sinking. (PR #120888)

[Yingwei Zheng via llvm-commits]

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@@ -59,16 +59,20 @@ class User;
 class LLVM_LIBRARY_VISIBILITY InstCombinerImpl final
     : public InstCombiner,
       public InstVisitor<InstCombinerImpl, Instruction *> {
+  bool CleanupAssumptions = false;
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dtcxzyw wrote:

This option should be taken into account by LastRunTrackingAnalysis.


https://github.com/llvm/llvm-project/pull/120888