diff options
| author | Joseph Huber <jhuber6@vols.utk.edu> | 2021-06-28 15:34:15 -0400 |
|---|---|---|
| committer | Joseph Huber <jhuber6@vols.utk.edu> | 2021-06-28 17:05:07 -0400 |
| commit | 2190c48fdece1712735c507e3f343ae5b872189e (patch) | |
| tree | 16ee0ec52e8f4b992174bdccc9052bdfbab875fb /openmp/tools | |
| parent | c9f3240c9d94f8128371358887e8b9e5c10c122a (diff) | |
| download | llvm-2190c48fdece1712735c507e3f343ae5b872189e.tar.gz | |
[OpenMP][Documentation] Add FAQ entry for CMake module
This patch adds documentation for using the CMake find module for OpenMP
target offloading provided by LLVM. It also removes the requirement for
AMD's architecture to be set as this isn't necessary for upstream LLVM.
Reviewed By: jdoerfert
Differential Revision: https://reviews.llvm.org/D105051
Diffstat (limited to 'openmp/tools')
| -rw-r--r-- | openmp/tools/Modules/FindOpenMPTarget.cmake | 4 | ||||
| -rw-r--r-- | openmp/tools/Modules/README.rst | 2 |
2 files changed, 1 insertions, 5 deletions
diff --git a/openmp/tools/Modules/FindOpenMPTarget.cmake b/openmp/tools/Modules/FindOpenMPTarget.cmake index d3917afdf280..a8a666512fab 100644 --- a/openmp/tools/Modules/FindOpenMPTarget.cmake +++ b/openmp/tools/Modules/FindOpenMPTarget.cmake @@ -140,10 +140,6 @@ endfunction() # Get flags for setting the device's architecture for each compiler. function(_OPENMP_TARGET_DEVICE_ARCH_CANDIDATES LANG DEVICE DEVICE_FLAG) - # AMD requires the architecture, default to gfx908 if not provided. - if((NOT OpenMPTarget_${DEVICE}_ARCH) AND ("${DEVICE}" STREQUAL "AMDGCN")) - set(OpenMPTarget_${DEVICE}_ARCH "gfx908") - endif() if(OpenMPTarget_${DEVICE}_ARCH) # Only Clang supports selecting the architecture for now. set(OMPTarget_ARCH_Clang "-Xopenmp-target=${DEVICE_FLAG} -march=${OpenMPTarget_${DEVICE}_ARCH}") diff --git a/openmp/tools/Modules/README.rst b/openmp/tools/Modules/README.rst index d1ec32f52190..166118fb363f 100644 --- a/openmp/tools/Modules/README.rst +++ b/openmp/tools/Modules/README.rst @@ -15,7 +15,7 @@ This module will attempt to find OpenMP target offloading support for a given device. The module will attempt to compile a test program using known compiler flags for each requested architecture. If successful, the flags required for offloading will be loaded into the ``OpenMPTarget::OpenMPTarget_<device>`` -target or the ``OpenMPTarget_NVPTX_FLAGS`` variable. Currently supported target +target or the ``OpenMPTarget_<device>_FLAGS`` variable. Currently supported target devices are ``NVPTX`` and ``AMDGCN``. This module is still under development so some features may be missing. |