Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

trap.ll
; RUN: llc -march=mipsel -mcpu=mips32 < %s | FileCheck %s

declare void @llvm.trap()

define void @f1() {
entry:
  call void @llvm.trap()
  unreachable

; CHECK:        break
}