Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
; RUN: opt < %s -passes=adce -disable-output ; RUN: opt < %s -passes=adce -disable-output -adce-remove-loops define void @test() { br label %BB3 BB3: ; preds = %BB3, %0 br label %BB3 }