[PATCH] D149590: ValueTracking: Implement computeKnownFPClass for ldexp
Jay Foad via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Jul 11 03:14:02 PDT 2023
foad accepted this revision.
foad added inline comments.
This revision is now accepted and ready to land.
================
Comment at: llvm/lib/Analysis/ValueTracking.cpp:4120
+ if (!Src.isKnownNeverNegSubnormal() && Mode != DenormalMode::getIEEE()) {
+ KnownFPClasses |= fcNegZero;
+ if (Mode.Input == DenormalMode::PositiveZero ||
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Only do this if the input or output mode is preserve-sign or dynamic?
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D149590/new/
https://reviews.llvm.org/D149590
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