Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

error.s
# RUN: not llvm-mc -triple avr -mcpu=avrtiny %s 2>&1 \
# RUN:     | FileCheck -check-prefix=AVRTINY %s
# RUN: not llvm-mc -triple avr -mcpu=avr2 %s 2>&1 \
# RUN:     | FileCheck -check-prefix=AVR2 %s

# AVRTINY: error: invalid register on avrtiny
mov r0, r16

# AVRTINY: error: invalid register on avrtiny
mov 1, r16

# AVR2: error: invalid operand for instruction
ldi r1, 15

# AVR2: error: instruction requires a CPU feature not currently enabled
lpm r8, Z+