[PATCH] D145278: Attributor: Start looking at uses when inferring nofpclass
Matt Arsenault via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Fri Mar 17 04:33:00 PDT 2023
arsenm added inline comments.
================
Comment at: llvm/test/Transforms/Attributor/nofpclass.ll:267
%phi = phi float [ %call, %bb0 ], [ %arg, %entry ]
ret float %phi
}
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jdoerfert wrote:
> If you introduce a block for the non-nan case you can use the value and instruction in the VisitValueCB to determine its non-nan. Only need to do that if the CtxI of the AA for the value is not the CtxI of the VisitValueCB though.
I missed this comment initially and don't quite follow it
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D145278/new/
https://reviews.llvm.org/D145278
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