Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
# RUN: llvm-mc %s -triple=riscv64 -mattr=+zmmul -riscv-no-aliases 2>&1 \ # RUN: | FileCheck -check-prefixes=CHECK-INST %s # CHECK-INST: mulw ra, sp, gp mulw ra, sp, gp