Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
; RUN: llc < %s -march=avr -no-integrated-as | FileCheck %s ; CHECK-LABEL: foo define void @foo(i16 %a) { call void asm sideeffect "add $0, $0", "Z"(i16 %a) nounwind ret void }