[PATCH] D11664: [CUDA] Implemented additional processing steps needed to link with CUDA libdevice bitcode.

[Artem Belevich]

tra created this revision.
tra added reviewers: echristo, jholewinski, eliben.
tra added a subscriber: cfe-commits.
tra added a dependency: D11663: [NVPTX] Added an option to run NVVMReflect pass..

  - Added -cuda-uses-libdevice option to enable extra steps:
  - run Internalize on functions in linked bitcode.
  - run Global DCE to eliminate unreferenced internalized functions.
  - pass -nvptx-enable-reflect to the back-end to deal with __nvvm_reflect().

Depends on D11663

http://reviews.llvm.org/D11664

Files:
  include/clang/Basic/LangOptions.def
  include/clang/Driver/CC1Options.td
  lib/CodeGen/BackendUtil.cpp
  lib/CodeGen/CodeGenAction.cpp
  lib/Frontend/CompilerInvocation.cpp
  test/CodeGenCUDA/Inputs/device-code.ll
  test/CodeGenCUDA/link-device-bitcode.cu

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