[PATCH] D86460: [InstCombine] improve demanded element analysis for vector insert-of-extract

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added inline comments.


================
Comment at: llvm/lib/Transforms/InstCombine/InstCombineSimplifyDemanded.cpp:1168
+    Value *Vec;
+    if (PreInsertDemandedElts == 0 &&
+        match(I->getOperand(1),
----------------
To check my understanding, `@ins_of_ext_wrong_demand` is fine
because for it `PreInsertDemandedElts` is not `0`, right?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D86460/new/

https://reviews.llvm.org/D86460