[llvm] [SelectionDAG]: Deduce KnownNeverZero from SMIN and SMAX (PR #85722)
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Fri Mar 22 08:12:20 PDT 2024
RKSimon wrote:
simplifySetCCWithCTPOP appears to use isKnownNeverZero for the `(ctpop x) eq/ne 1 --> (x & x-1) eq/ne 0` fold - maybe try that?
https://github.com/llvm/llvm-project/pull/85722
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