Sanjay Patel 1ebd4a2e3a [DAGCombiner] widen any_ext of popcount based on target support
This enhances D69127 (rGe6c145e0548e3b3de6eab27e44e1504387cf6b53)
to handle the looser "any_extend" cast in addition to zext.

This is a prerequisite step for canonicalizing in the other direction
(narrow the popcount) in IR - PR43688:
https://bugs.llvm.org/show_bug.cgi?id=43688
2019-10-28 10:07:12 -04:00
..