Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
; RUN: llc -mtriple=thumb-eabi < %s -o - | FileCheck %s define void @f1() { %c = alloca i8, align 1 ret void } define i32 @f2() { ret i32 1 } ; CHECK: add ; CHECK-NOT: add