tree 8f79fb30fa84e636c0b771b7d7946df23627d17b
parent d104e582838fd73d6ef565788f11617eccab87e2
author Amara Emerson <amara@apple.com> 1601194975 -0700
committer Amara Emerson <amara@apple.com> 1608321444 -0800

[AArch64][GlobalISel] Use the look-through constant helper for the shift s32->s64 custom legalization.

Almost NFC, except it catches more cases and gives a 0.1% CTMark -O0 size win.