[PATCH] D16372: [CUDA] Make printf work.

[Justin Lebar via cfe-commits]

jlebar created this revision.
jlebar added a reviewer: tra.
jlebar added subscribers: jhen, echristo, cfe-commits.

The code in CGCUDACall is largely based on a patch written by Eli
Bendersky:
http://lists.llvm.org/pipermail/llvm-commits/Week-of-Mon-20140324/210218.html

That patch implemented an LLVM pass lowering printf to vprintf; this
one does something similar, but in Clang codegen.

http://reviews.llvm.org/D16372

Files:
  lib/CodeGen/CGBuiltin.cpp
  lib/CodeGen/CGCUDACall.cpp
  lib/CodeGen/CMakeLists.txt
  lib/CodeGen/CodeGenFunction.h
  lib/Headers/__clang_cuda_runtime_wrapper.h
  test/CodeGenCUDA/Inputs/cuda.h
  test/CodeGenCUDA/printf.cu

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