Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
# RUN: not llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=i586 < %s 2>&1 | FileCheck %s # CHECK: error: unable to find instruction-level scheduling information for target triple 'x86_64-unknown-unknown' and cpu 'i586'.