[PATCH] D145143: [DAGCombiner] Add fold for `~x & x` -> `0`

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added inline comments.


================
Comment at: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:6634
 
+  if (areBitwiseNotOfEachother(N0, N1))
+    return DAG.getConstant(APInt::getZero(N1.getScalarValueSizeInBits()),
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RKSimon wrote:
> Don't bother with the helper - just inline the check.
Keep areBitwiseNotOfEachother - sorry I didn't see D145177 :)


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D145143/new/

https://reviews.llvm.org/D145143