[ARM] Don't Enable AES Pass for Generic Cores
authorArchibald Elliott <archibald.elliott@arm.com>
Wed, 18 May 2022 12:10:22 +0000 (13:10 +0100)
committerArchibald Elliott <archibald.elliott@arm.com>
Wed, 18 May 2022 12:10:31 +0000 (13:10 +0100)
commit2321c36fbf763e273ed78b4209168ce783b5cf96
treed6350bcf3e86b24dd9867337f24f6ed9ecd09b46
parente497871356f2f7a42a508973960bf4f68dd4f7b8
[ARM] Don't Enable AES Pass for Generic Cores

This brings clang/llvm into line with GCC. The Pass is still enabled for
the affected cores, but is now opt-in when using `-march=`.

I also took the opportunity to add release notes for this change.

Reviewed By: john.brawn

Differential Revision: https://reviews.llvm.org/D125775
clang/docs/ReleaseNotes.rst
llvm/docs/ReleaseNotes.rst
llvm/lib/Target/ARM/ARM.td