[Support] Get correct number of physical cores on Apple Silicon
authorSteven Wu <stevenwu@apple.com>
Wed, 14 Jul 2021 20:29:15 +0000 (13:29 -0700)
committerSteven Wu <stevenwu@apple.com>
Wed, 14 Jul 2021 20:29:54 +0000 (13:29 -0700)
commite23dce6c974477d3476bee5256a83a9aaea8eae4
tree1df5e278d84914a5bb64e7422fd6c4be334c3973
parent7b47de774fd43eb5be7aee86c6f8c15999295b36
[Support] Get correct number of physical cores on Apple Silicon

Fix a bug that `computeHostNumPhysicalCores` is fallback to default
unknown when building for Apple Silicon macs.

rdar://80533675

Reviewed By: arphaman

Differential Revision: https://reviews.llvm.org/D106012
llvm/lib/Support/Host.cpp