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[libomptarget-nvptx-bc] Pass found CUDA installations

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We already know where the CUDA SDK is, so there is no point in
letting Clang search for it again and possibly finding no or
a different installation.

--cuda-path is supported since the beginning of CUDA support in
Clang, so making this required doesn't impose additional restrictions.

Differential Revision: https://reviews.llvm.org/D46930

llvm-svn: 332495
This commit is contained in:
Jonas Hahnfeld 2018-05-16 17:20:27 +00:00
parent 37bbe1a698
commit 9228f9718c
1 changed files with 1 additions and 1 deletions
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openmp/libomptarget/cmake/Modules/LibomptargetNVPTXBitcodeLibrary.cmake
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@ -79,7 +79,7 @@ endfunction()
# These flags are required to emit LLVM Bitcode. We check them together because # These flags are required to emit LLVM Bitcode. We check them together because
# if any of them are not supported, there is no point in finding out which are. # if any of them are not supported, there is no point in finding out which are.
set(compiler_flags_required -emit-llvm -O1 --cuda-device-only) set(compiler_flags_required -emit-llvm -O1 --cuda-device-only --cuda-path=${CUDA_TOOLKIT_ROOT_DIR})
set(compiler_flags_required_src "extern \"C\" __device__ int thread() { return threadIdx.x; }") set(compiler_flags_required_src "extern \"C\" __device__ int thread() { return threadIdx.x; }")
check_bitcode_compilation(LIBOMPTARGET_NVPTX_CUDA_COMPILER_SUPPORTS_FLAGS_REQUIRED "${compiler_flags_required_src}" ${compiler_flags_required}) check_bitcode_compilation(LIBOMPTARGET_NVPTX_CUDA_COMPILER_SUPPORTS_FLAGS_REQUIRED "${compiler_flags_required_src}" ${compiler_flags_required})