[PATCH] D152957: ValueTracking: Fix nan result handling for fmul

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: foad, jcranmer-intel, andrew.w.kaylor, kpn.
Herald added subscribers: StephenFan, okura, kuter, hiraditya.
Herald added a project: All.
arsenm requested review of this revision.
Herald added a subscriber: wdng.
Herald added a reviewer: jdoerfert.
Herald added a reviewer: sstefan1.
Herald added a project: LLVM.

This was mishandling maybe 0 * inf.

      

Fixes issue #63316


https://reviews.llvm.org/D152957

Files:
  llvm/lib/Analysis/ValueTracking.cpp
  llvm/test/Transforms/Attributor/nofpclass-nan-fmul.ll
  llvm/test/Transforms/Inline/simplify-instruction-computeKnownFPClass-context.ll
  llvm/test/Transforms/InstSimplify/known-never-nan.ll
  llvm/unittests/Analysis/ValueTrackingTest.cpp

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D152957.531495.patch
Type: text/x-patch
Size: 12528 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20230614/b451c0ce/attachment.bin>