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# The following cause errors if they are passed to clang via CFLAGS
set(CLANG_ERRORING_CFLAGS
"-fno-early-inlining"
"-fno-ira-share-spill-slots"
"-ftree-loop-distribution"
"-fno-tree-bit-ccp"
"-fno-tree-coalesce-vars"
)
# This pulls out options in dg-options into `${Variable}`
function(gcc_torture_dg_options_cflags Variable File)
# Some files have dg-options which we need to pick up. These should be in
# the first line but often aren't.
#
# We also need to be careful not to pick up target-specific dg-options.
set(DG_CFLAGS)
file(STRINGS ${File} FileLines)
foreach(FileLine ${FileLines})
# Looking for `dg-options "..."` or `dg-additional-options "..."` without
# `{ target` afterwards (ignoring spaces).
if(FileLine MATCHES "dg-(additional-)?options ({ )?\"([^\"]*)\"( })?(.*)")
# This is needed to turn the string into a list of CFLAGS
separate_arguments(FILE_CFLAGS UNIX_COMMAND ${CMAKE_MATCH_3})
# This does the negative lookahead for `{ target` anywhere in the rest of
# the line
if(NOT ${CMAKE_MATCH_5} MATCHES "{ +target")
list(APPEND DG_CFLAGS ${FILE_CFLAGS})
endif()
endif()
endforeach()
# Remove any flags that will make clang error
if (DG_CFLAGS)
list(REMOVE_ITEM DG_CFLAGS ${CLANG_ERRORING_CFLAGS})
endif()
# Set the parent scope variable
set(${Variable} ${DG_CFLAGS} PARENT_SCOPE)
endfunction()
function(gcc_torture_execute_test File)
cmake_parse_arguments(_TORTURE "" "PREFIX" "CFLAGS;LDFLAGS" ${ARGN})
# There are a few tests with duplicate filenames, and CMake wants all target
# names to be unique, so we add a disambiguator to the target name. The
# disambiguator is based upon the directory structure, swapping `/` for `-`.
get_filename_component(Name ${File} NAME_WE)
set(_target "${_TORTURE_PREFIX}-${Name}")
gcc_torture_dg_options_cflags(DG_CFLAGS ${File})
# Add any flags that were requested
list(APPEND CFLAGS ${DG_CFLAGS} ${_TORTURE_CFLAGS})
list(APPEND LDFLAGS ${_TORTURE_LDFLAGS})
llvm_test_executable_no_test(${_target} ${File})
llvm_test_run()
llvm_add_test_for_target(${_target})
endfunction()
file(COPY lit.local.cfg DESTINATION "${CMAKE_CURRENT_BINARY_DIR}")
add_subdirectory(execute)
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