[PATCH] D155267: [DAGCombiner] Change foldAndOrOfSETCC() to optimize and/or patterns with floating points.
Konstantina Mitropoulou via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Aug 16 15:27:56 PDT 2023
kmitropoulou added inline comments.
================
Comment at: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:6087-6092
+ if (isNotSNaN)
+ return ISD::FMINNUM_IEEE;
+
+ if (isFMINNUM_FMAXNUM_Supported)
+ return ISD::FMINNUM;
+
----------------
arsenm wrote:
> arsenm wrote:
> > Can this be reordered to try FMINNUM/FMAXNUM first?
> The point to f this was to try to avoid recursing 6 times to call isKnownNeverSNan, you can try to avoid that in the case where you don't need to worry about it
Thank you Matt for the explanation :)
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D155267/new/
https://reviews.llvm.org/D155267
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