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[ARM] Basic And/Or/Xor handling for MVE predicates

Description

[ARM] Basic And/Or/Xor handling for MVE predicates

This adds some basic, "worst case" handling for MVE predicate Or/And/Xor. It
does this by going into and out of GPRs, doing the operation on scalars.

Code by David Sherwood.

Differential Revision: https://reviews.llvm.org/D65053

Details

Committed
dmgreenJul 24 2019, 7:17 AM
Differential Revision
D65053: [ARM] Basic And/Or/Xor handling for MVE predicates
Parents
rL366906: Silence a conversion warning after r366887. NFC
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