Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
; RUN: llc < %s define void @f() { entry: %0 = insertvalue { [0 x { i8*, i8* }], [0 x { i8*, i64 }] } undef, [0 x { i8*, i8* }] undef, 0 ret void }