[PATCH] D104060: Machine IR Profile

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

You may compare the overhead with `-fsanitize-coverage=func,inline-8bit-counters,pc-table`. The latter only instruments the entry block of a function and uses a one-byte counter.


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  https://reviews.llvm.org/D104060/new/

https://reviews.llvm.org/D104060