Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

NamedMDNode.ll
; RUN: llvm-as < %s | llvm-dis | grep "llvm.stuff = "

;; Simple NamedMDNode
!0 = !{i32 42}
!1 = !{!"foo"}
!llvm.stuff = !{!0, !1}

!samename = !{!0, !1}
declare void @samename()