docs: Add pointer to cmake caches for PGO
authorNico Weber <thakis@chromium.org>
Mon, 7 Dec 2020 16:29:25 +0000 (11:29 -0500)
committerNico Weber <thakis@chromium.org>
Mon, 7 Dec 2020 20:55:26 +0000 (15:55 -0500)
commitb570f82f43a74fc842b9fd7f03bf0eca18fc9474
treeb89b64c37342e223b26a15fccb6cdd16833b2658
parent98f76adf4e941738c0b9fe3b9965fa63603e9c89
docs: Add pointer to cmake caches for PGO

Also add a link to end-user PGO documentation.

Differential Revision: https://reviews.llvm.org/D92768
llvm/docs/HowToBuildWithPGO.rst
llvm/utils/collect_and_build_with_pgo.py