Commits
Roman Levenstein committed 933e4bff17b
[sil-simplify] Peepholes for (trunc (s_to_u (zext x)))->x and (trunc (u_to_s (zext (lshr x 1) Word -> Int64)) Int64 -> Word) -> (lshr x 1). Related to rdar://17433082 and rdar://17406327 Swift SVN r21700