Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
target triple = "x86_64-apple-macosx10.11.0" target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"