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
add_llvm_component_library(LLVMSPIRVDesc
  SPIRVBaseInfo.cpp
  SPIRVMCAsmInfo.cpp
  SPIRVMCTargetDesc.cpp
  SPIRVTargetStreamer.cpp
  SPIRVAsmBackend.cpp
  SPIRVMCCodeEmitter.cpp
  SPIRVObjectTargetWriter.cpp
  SPIRVInstPrinter.cpp

  LINK_COMPONENTS
  MC
  SPIRVInfo
  Support

  ADD_TO_COMPONENT
  SPIRV
  )