[clang] [llvm] [AArch64] set AppleA14 architecture version to v8.4-a (PR #92600)

[via cfe-commits]

AtariDreams wrote:

> Correct, apple-m1 does not have BTI, but BTI is required for v8.5. My mistake.

Not sure if you are involved in writing the optimization guide itself at Apple, but the way the chip is described as having 8.5 minus BTI is a bit confusing since that would technically make the chip not v8.5 @jroelofs 

https://github.com/llvm/llvm-project/pull/92600