Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

ga-offset2.ll
; RUN: llc < %s -mtriple=i686-apple-darwin -relocation-model=dynamic-no-pic | FileCheck %s

@var = external hidden global i32
@p = external hidden global ptr

define void @f() {
; CHECK:  movl    $_var+40, _p
  store ptr getelementptr (i32, ptr @var, i64 10), ptr @p
  ret void
}