Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
; RUN: llc -O0 -filetype=obj < %S/../Inputs/gmlt.ll -mtriple x86_64-apple-darwin | llvm-dwarfdump -v - \ ; RUN: | FileCheck --check-prefix=CHECK --check-prefix=DARWIN %S/../Inputs/gmlt.ll