Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
; RUN: opt < %s -passes=instcombine -S | not grep i41 define i61 @test1(i61 %X) { %Y = trunc i61 %X to i41 ;; Turn i61o an AND %Z = zext i41 %Y to i61 ret i61 %Z }