Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
// RUN: llvm-tblgen %s -DMACRO | FileCheck %s // RUN: llvm-tblgen %s | FileCheck %s --check-prefix=CHECK-NOMACRO #ifndef MACRO // CHECK-NOMACRO: def nomacro def nomacro; #else // CHECK: def macro def macro; #endif