[PATCH] D128999: [CGSCC] Don't count calls to intrinsic functions in finding potential deviritualizations.

[Nikita Popov via Phabricator via llvm-commits]

nikic added a comment.

`memcpy` the libcall can be an indirect call target. `llvm.memcpy` the intrinsic cannot be. If an indirect `memcpy` becomes direct and is then replaced with the intrinsic, that's a divirtualization, but I don't think it's one relevant for the purposes of DevirtSCC, because such a call cannot be inlined. (Phrased like that, I think the relevant property here is not so much that something is an intrinsic, but that it is a declaration, as declarations are not eligible for inlining.)


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  https://reviews.llvm.org/D128999/new/

https://reviews.llvm.org/D128999