Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

function_name.ll.expected
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; Check that we accept functions with '$' in the name.
;
; RUN: opt < %s -passes=instsimplify -S | FileCheck %s
;
define hidden i32 @"_Z54bar$ompvariant$bar"() {
entry:
  ret i32 2
}