[PATCH] D136999: [AArch64] Lower READCYCLECOUNTER using MRS CNTVCT_EL0

[Sebastian Pop via Phabricator via llvm-commits]

sebpop added a comment.

Hi Salvatore,
the patch looks good to me.
As you suggested to me, we should also remove this part `let Predicates = [HasPerfMon] in`.

A little bit more context on what this patch fixes: MariaDB compiled with clang crashes on arm64-freebsd https://jira.mariadb.org/browse/MDEV-23249


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