[PATCH] D149199: [SelectionDAG] Fill in some more cases in `isKnownNeverZero`
Simon Pilgrim via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed May 17 06:39:07 PDT 2023
RKSimon added inline comments.
================
Comment at: llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:5078
+ // The expression is really !Known.One[BitWidth-MaxLog2(Known):0].isZero()
+ if (computeKnownBits(Op.getOperand(0)).One[0], Depth + 1)
return true;
----------------
goldstein.w.n wrote:
> RKSimon wrote:
> > This looks like a bad merge?
> hmm?
Sorry, I think I was miscounting brackets :)
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D149199/new/
https://reviews.llvm.org/D149199
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