[PATCH] D84782: [PGO] Include the mem ops into the function hash.

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

It is also a convention to explain what has changed compared with the initial land.

As a hindsight, the option `-pgo-instr-old-cfg-hashing` should probably have been mentioned in the description.


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  https://reviews.llvm.org/D84782/new/

https://reviews.llvm.org/D84782