Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

vect-vsubb-1.ll
; RUN: llc -march=hexagon < %s | FileCheck %s
; CHECK: vsubub

define <4 x i8> @t_i4x8(<4 x i8> %a, <4 x i8> %b) nounwind {
entry:
	%0 = sub <4 x i8> %a, %b
	ret <4 x i8> %0
}