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

231 KiB

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