Florian Hahn 18138e0252 [VPlan] Introduce VPWidenSelectRecipe (NFC). ...

Widening a selects depends on whether the condition is loop invariant or
not. Rather than checking during codegen-time, the information can be
recorded at the VPlan construction time.

This was suggested as part of D76992, to reduce the reliance on
accessing the original underlying IR values.

Reviewers: gilr, rengolin, Ayal, hsaito

Reviewed By: gilr

Differential Revision: https://reviews.llvm.org/D77869

2020-04-13 08:35:28 +01:00

34 KiB

Raw Blame History

View Raw