Commit Graph

1 Commits

Author SHA1 Message Date
Jonas Paulsson 0eddeeab29 [ValueTracking] Improve isKnownNonNaN() to recognize zero splats.
isKnownNonNaN() could not recognize a zero splat because that is a
ConstantAggregateZero which is-a ConstantData but not a ConstantDataVector.

Patch makes a ConstantAggregateZero return true.

Review: Thomas Lively

Differential Revision: https://reviews.llvm.org/D74263
2020-02-19 09:35:36 -08:00