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Differential D47888

[Polly] Back out of GPU Codegen if NVPTX is not available
ClosedPublic

Authored by philip.pfaffe on Jun 7 2018, 8:36 AM.

Details

Reviewers
Meinersbur
grosser
bollu
Commits
rG4d24093ac4f8: Back out of GPU Codegen if NVPTX is not available
rPLO334233: Back out of GPU Codegen if NVPTX is not available
rL334233: Back out of GPU Codegen if NVPTX is not available
Summary

When enabling GPU codegen in polly, CMake will fail if NVPTX is not a target
supported by the LLVM polly is being built against. In that case, GPU codegen
should be switched off.

Diff Detail

Repository
rL LLVM

Event Timeline

philip.pfaffe created this revision.Jun 7 2018, 8:36 AM
Herald added a reviewer: bollu. · View Herald TranscriptJun 7 2018, 8:36 AM
Herald added subscribers: bollu, mgorny. · View Herald Transcript
Harbormaster completed remote builds in B19054: Diff 150343.Jun 7 2018, 8:39 AM
philip.pfaffe mentioned this in D47890: [Polly][zorg] Enable GPGPU Codegen on the builders only if NVPTX is an LLVM target.Jun 7 2018, 9:24 AM
Meinersbur accepted this revision.Jun 7 2018, 12:18 PM

LGTM

This revision is now accepted and ready to land.Jun 7 2018, 12:18 PM
Closed by commit rL334233: Back out of GPU Codegen if NVPTX is not available (authored by pfaffe). · Explain WhyJun 7 2018, 2:15 PM
This revision was automatically updated to reflect the committed changes.

Revision Contents

PathSize
polly/
trunk/
13 lines

Diff 150404

polly/trunk/CMakeLists.txt

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endif () endif ()
# Add path for custom modules # Add path for custom modules
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${POLLY_SOURCE_DIR}/cmake") set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${POLLY_SOURCE_DIR}/cmake")
SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE) SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
option(POLLY_ENABLE_GPGPU_CODEGEN "Enable GPGPU code generation feature" OFF) option(POLLY_ENABLE_GPGPU_CODEGEN "Enable GPGPU code generation feature" OFF)
set(GPU_CODEGEN FALSE)
if (POLLY_ENABLE_GPGPU_CODEGEN) if (POLLY_ENABLE_GPGPU_CODEGEN)
# Do not require CUDA/OpenCL, as GPU code generation test cases can be run # Do not require CUDA/OpenCL, as GPU code generation test cases can be run
# without a CUDA/OpenCL library. # without a CUDA/OpenCL library.
if ("NVPTX" IN_LIST LLVM_TARGETS_TO_BUILD)
FIND_PACKAGE(CUDA) FIND_PACKAGE(CUDA)
FIND_PACKAGE(OpenCL) FIND_PACKAGE(OpenCL)
set(GPU_CODEGEN TRUE) set(GPU_CODEGEN TRUE)
else(POLLY_ENABLE_GPGPU_CODEGEN) else()
set(GPU_CODEGEN FALSE) message(WARNING "The LLVM NVPTX target is required for GPU code generation")
endif()
endif(POLLY_ENABLE_GPGPU_CODEGEN) endif(POLLY_ENABLE_GPGPU_CODEGEN)
# Support GPGPU code generation if the library is available. # Support GPGPU code generation if the library is available.
if (CUDA_FOUND) if (CUDA_FOUND)
add_definitions(-DHAS_LIBCUDART) add_definitions(-DHAS_LIBCUDART)
INCLUDE_DIRECTORIES( ${CUDA_INCLUDE_DIRS} ) INCLUDE_DIRECTORIES( ${CUDA_INCLUDE_DIRS} )
endif(CUDA_FOUND) endif(CUDA_FOUND)
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