[PATCH] D78667: [ValueLattice] Merging unknown with empty CR is unknown.

[Nikita Popov via Phabricator via llvm-commits]

nikic added inline comments.


================
Comment at: llvm/include/llvm/Analysis/ValueLattice.h:359
+        return false;
       return markOverdefined();
+    }
----------------
Can't we do this for the `isUndef()` case as well, i.e. return false here unconditionally?


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  https://reviews.llvm.org/D78667/new/

https://reviews.llvm.org/D78667