Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

BUILD.gn
executable("llvm-exegesis") {
  deps = [
    "lib",
    "//llvm/lib/CodeGen",
    "//llvm/lib/ExecutionEngine",
    "//llvm/lib/ExecutionEngine/MCJIT",
    "//llvm/lib/MC",
    "//llvm/lib/Object",
    "//llvm/lib/Support",
    "//llvm/lib/Target:NativeTarget",
  ]
  sources = [ "llvm-exegesis.cpp" ]
}