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AArch64: add apple-a14 as a CPU

Authored by t.p.northover on Jan 14 2021, 1:09 AM.

Description

AArch64: add apple-a14 as a CPU

This CPU supports all v8.5a features except BTI, and so identifies as v8.5a to
Clang. A bit weird, but the best way for things like xnu to detect the new
features it cares about.

Details

Committed
t.p.northoverJan 19 2021, 6:04 AM
Parents
rG93a873dfc9ee: [mlir][Affine] Revisit and simplify composeAffineMapAndOperands.
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