Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

CMakeLists.txt
set(LLVM_TARGET_DEFINITIONS OMP.td)
tablegen(LLVM OMP.h.inc --gen-directive-decl)
tablegen(LLVM OMP.inc --gen-directive-impl)
add_public_tablegen_target(omp_gen)