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CMake: Use -Wno-pass-failed for clang #13963

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Jun 13, 2022
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CMake: Use -Wno-pass-failed for clang #13963

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13 changes: 13 additions & 0 deletions cmake/setup_compiler_flags_gnu.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -152,6 +152,19 @@ IF(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.3") )
ENABLE_IF_SUPPORTED(DEAL_II_CXX_FLAGS "-Wno-unused-function")
ENDIF()

#
# Clang-14.0.5 complaines loudly about not being able to vectorize some
# of our loops that we have annotated with DEAL_II_OPENMP_SIMD:
#
# warning: loop not vectorized: the optimizer was unable to perform
# the requested transformation; the transformation might be disabled
# or specified as part of an unsupported transformation ordering
# [-Wpass-failed=transform-warning]
#
# Let us simply disable the warning for now.
#
ENABLE_IF_SUPPORTED(DEAL_II_CXX_FLAGS "-Wno-pass-failed")
ENDIF()


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