Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

pr52118.ll
; Test that the InlineAdvisor, upon being cleared, is re-created correctly.
; RUN: opt -S -passes="default<O1>,cgscc(inline)" < %s | FileCheck %s

define double @foo() local_unnamed_addr {
entry:
  ret double undef
}

; CHECK: @foo