[SLP] improve code comments; NFC
authorSanjay Patel <spatel@rotateright.com>
Fri, 9 Jul 2021 16:48:42 +0000 (12:48 -0400)
committerSanjay Patel <spatel@rotateright.com>
Fri, 9 Jul 2021 16:49:54 +0000 (12:49 -0400)
commit486992f958cedc0b0ce4ab29262deb48cc8c8a51
treef444a2acc0fcfd67551cf71eae2ffdcf43fd5513
parent23dd750279c9e32ea631cc9e92c4413c7a3df60a
[SLP] improve code comments; NFC

This likely started out only supporint binops,
but now we handle min/max using cmp+sel, and
we may extend to handle bool logic in the form
of select.
llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp