[PATCH] D50469: AMDGPU: Check NSZ MI flag when folding omod

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: mareko, nhaehnle.
Herald added subscribers: t-tye, tpr, dstuttard, yaxunl, wdng, kzhuravl.

I'm not sure the exact nsz flag combination that
is OK. I think as long as it's on either, this is OK.
For now just check it on the omod multiply.


https://reviews.llvm.org/D50469

Files:
  lib/Target/AMDGPU/SIFoldOperands.cpp
  test/CodeGen/AMDGPU/omod-nsz-flag.mir

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