Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

macho-trap.ll
; RUN: llc -mtriple=armv7-apple-ios7.0 %s -o - | FileCheck %s
; RUN: llc -mtriple=thumbv7-apple-ios7.0 %s -o - | FileCheck %s
; RUN: llc -mtriple=thumbv7m-apple-macho %s -o - | FileCheck %s
; RUN: llc -mtriple=thumbv6m-apple-macho %s -o - | FileCheck %s

define void @test_unreachable() {
; CHECK-LABEL: test_unreachable:
; CHECK: trap
  unreachable
}