This patch updates impliesPoison to look into operands of V up to MaxDepth.
Relevant patch: D94550
Differential D94859
[ValueTracking] Make impliesPoison look into operands of V aqjune on Jan 16 2021, 1:29 AM. Authored by
Details
This patch updates impliesPoison to look into operands of V up to MaxDepth. Relevant patch: D94550
Diff Detail
Event TimelineComment Actions I'll leave the diff result after setting -instcombine-unsafe-select-transform=0 at another patch that's going to follow this. Comment Actions I posted an alternative patch at D94866. It's potentially more expensive, but I think it will cover more of the cases we need. |