[PATCH] D132407: [ADT] Add llvm::ctpop to <bit> helper wrapper

[Kazu Hirata via Phabricator via llvm-commits]

kazu added a comment.

> Looks like at least here clang uses the same code in either case (but doesn't use a CPU intrinsic, whereas GCC does (but GCC doesn't optimize the non-intrinsic code into the intrinsic...)): https://godbolt.org/z/G5YM4bcM6 ?

I get `popcnt` with `-march=native`.


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https://reviews.llvm.org/D132407