Michael Munday 4ab0f51a75 Recommit "[RISCV] Legalize select when Zbt extension available" ...

This recommits 71ed4b6ce5 with
the polarity of some of the pattern corrected.

Original commit message:
The custom expansion of select operations in the RISC-V backend
interferes with the matching of cmov instructions. Legalizing
select when the Zbt extension is available solves that problem.

Reviewed By: luismarques, craig.topper

Differential Revision: https://reviews.llvm.org/D93767

2021-01-21 12:07:44 -08:00

1.3 KiB

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