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‎.gitignore

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/build

‎CMakeLists.txt

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##
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## CMake build script for LLVM.
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##
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cmake_minimum_required(VERSION 3.6)
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project(LLVM CXX C)
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if(TARGET llvm-project)
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return()
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endif()
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find_package(Threads REQUIRED)
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if(UNIX)
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find_package(ZLIB REQUIRED)
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endif()
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# Set the default build type to 'Release'
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if (NOT CMAKE_BUILD_TYPE)
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set(default_build_type "Release")
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message(STATUS "Setting build type to '${default_build_type}' as none was specified.")
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set(CMAKE_BUILD_TYPE "${default_build_type}" CACHE STRING "Choose the type of build." FORCE)
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endif()
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if(CMAKE_BUILD_TYPE STREQUAL "Debug")
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set(IS_DEBUG_BUILD "YES")
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else()
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set(IS_DEBUG_BUILD "NO")
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endif()
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# Use the ExternalProject module instead of just CMake because we want to build and
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# install only some tools from LLVM, not all the libraries and tools.
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include(ExternalProject)
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# LLVM requires python3, so we first check whether python3 is installed as
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# "python3", and if not, we suppose that `python` runs python3.
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find_program(PYTHON_EXECUTABLE "python3")
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if(NOT PYTHON_EXECUTABLE)
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find_program(PYTHON_EXECUTABLE "python")
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endif()
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# The LLVM project properties differ between MSVC and Linux builds.
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if(MSVC)
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# See the comments below for Linux rules for an explanation of the passed
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# options.
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ExternalProject_Add(llvm-project
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SOURCE_DIR "${PROJECT_SOURCE_DIR}/src"
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CMAKE_ARGS
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-DCMAKE_BUILD_TYPE=Release
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-DPYTHON_EXECUTABLE=${PYTHON_EXECUTABLE}
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-DLLVM_TARGETS_TO_BUILD=X86
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-DLLVM_INCLUDE_TESTS=NO
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-DLLVM_REQUIRES_RTTI=YES
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-DLLVM_ENABLE_ASSERTIONS=${IS_DEBUG_BUILD}
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-DLLVM_ENABLE_WARNINGS=NO
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-DLLVM_ENABLE_TERMINFO=YES
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INSTALL_COMMAND ""
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)
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else() # Linux
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ExternalProject_Add(llvm-project
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SOURCE_DIR "${PROJECT_SOURCE_DIR}/src"
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CMAKE_ARGS
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# Force a release build (we don't need to debug LLVM).
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-DCMAKE_BUILD_TYPE=Release
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# Force Python3 (see the comment above when setting
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# PYTHON_EXECUTABLE).
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-DPYTHON_EXECUTABLE=${PYTHON_EXECUTABLE}
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# Targets to be build.
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-DLLVM_TARGETS_TO_BUILD=X86
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# Disable the generation of targets for tests (we don't need them).
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-DLLVM_INCLUDE_TESTS=NO
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# Our tools depending on LLVM require RTTI, so build LLVM with it.
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-DLLVM_REQUIRES_RTTI=YES
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# When building in the debug mode (=> assertions are enabled), we
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# have to build LLVM with assertions. This prevents link errors
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# when building the middle-end and back-end (see
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# https://github.com/oclint/oclint/issues/129).
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-DLLVM_ENABLE_ASSERTIONS=${IS_DEBUG_BUILD}
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# Disable the emission of warnings, which are useless since we do
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# not modify the LLVM sources (of course, except for a few
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# exceptions).
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-DLLVM_ENABLE_WARNINGS=NO
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# Enable the use of terminfo because in the back-end, we use the
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# coloring system from LLVM so we do not have to deal with issues
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# due to multi-platform support of coloring by ourselves.
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# Note to developers: On Linux, programs that link LLVM libraries
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# need to also link the tinfo library.
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-DLLVM_ENABLE_TERMINFO=YES
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# Disable the automatic build of tools and build them manually. In
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# this way, we can only select the tools we are actually going to
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# use instead of building them all.
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#
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# This does not work on MSVC when using a project/solution.
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-DLLVM_BUILD_TOOLS=NO
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# Build LLVM libraries and only the needed tools.
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# Use the literal "$(MAKE)" instead of just "make" so that "$(MAKE)"
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# appears in the generated Makefiles. That tells the top level make to
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# spawn sub-makes with the job controller from the top level make.
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# Then, we don't need to specify any -j flags anywhere except at the
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# top level (see
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# http://www.cmake.org/pipermail/cmake/2010-October/040109.html)
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#
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# This does not work on MSVC when using a project/solution.
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BUILD_COMMAND "$(MAKE)"
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COMMAND "$(MAKE)" llvm-as
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COMMAND "$(MAKE)" llvm-dis
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# Disable the installation right after build (we want to install the needed
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# tools manually when calling `make.sh install`).
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INSTALL_COMMAND ""
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)
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endif()
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# Forces a configure step for the given external project.
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# The configure step for external projects is needed to (1) detect source-file
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# changes and (2) fix infinite recursion of 'make' after a terminated build.
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macro(force_configure_step target)
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# This solution is based on
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# http://comments.gmane.org/gmane.comp.programming.tools.cmake.user/43024
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ExternalProject_Add_Step(${target} force-configure
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COMMAND ${CMAKE_COMMAND} -E echo "Force configure of ${target}"
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DEPENDEES update
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DEPENDERS configure
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ALWAYS 1
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)
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endmacro()
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# We need to force the configuration step for LLVM. Otherwise, if we changed
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# LLVM sources, they would not be rebuilt. This also fixes infinite recursion
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# when running make after an interrupted LLVM build.
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if(NOT SKIP_DEPENDENCIES)
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force_configure_step(llvm-project)
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endif()
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# Add libraries.
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ExternalProject_Get_Property(llvm-project binary_dir)
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add_library(llvm INTERFACE)
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add_dependencies(llvm llvm-project)
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set(LLVM_LIB_LIST
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LLVMInterpreter
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LLVMMCJIT
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LLVMRuntimeDyld
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LLVMOrcJIT
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LLVMExecutionEngine
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LLVMRuntimeDyld
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LLVMX86CodeGen
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LLVMX86AsmParser
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LLVMX86Disassembler
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LLVMBitWriter
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LLVMIRReader
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LLVMInstrumentation
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LLVMObject
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LLVMSupport
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LLVMipo
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LLVMAsmPrinter
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LLVMSelectionDAG
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LLVMX86Desc
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LLVMAsmParser
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LLVMBitReader
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LLVMVectorize
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LLVMMCParser
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LLVMCodeGen
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LLVMX86AsmPrinter
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LLVMX86Info
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LLVMObjCARCOpts
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LLVMScalarOpts
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LLVMX86Utils
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LLVMTransformUtils
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LLVMAnalysis
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LLVMTarget
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LLVMCore
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LLVMMC
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LLVMObject
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LLVMMCDisassembler
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LLVMProfileData
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LLVMDebugInfoCodeView
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LLVMPasses
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LLVMLinker
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LLVMInstCombine
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LLVMSupport
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)
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if(MSVC)
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set(DEBUG_DIR "Debug/")
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set(RELEASE_DIR "Release/")
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endif()
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foreach(LLVM_LIB ${LLVM_LIB_LIST})
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target_link_libraries(llvm INTERFACE debug ${binary_dir}/${DEBUG_DIR}lib/${CMAKE_FIND_LIBRARY_PREFIXES}${LLVM_LIB}${CMAKE_STATIC_LIBRARY_SUFFIX})
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target_link_libraries(llvm INTERFACE optimized ${binary_dir}/${RELEASE_DIR}lib/${CMAKE_FIND_LIBRARY_PREFIXES}${LLVM_LIB}${CMAKE_STATIC_LIBRARY_SUFFIX})
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endforeach(LLVM_LIB)
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if(CMAKE_THREAD_LIBS_INIT)
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target_link_libraries(llvm INTERFACE debug ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries(llvm INTERFACE optimized ${CMAKE_THREAD_LIBS_INIT})
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endif()
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if(UNIX)
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target_link_libraries(llvm INTERFACE debug ${ZLIB_LIBRARIES} rt dl tinfo)
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target_link_libraries(llvm INTERFACE optimized ${ZLIB_LIBRARIES} rt dl tinfo)
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endif()
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# Set include directories.
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ExternalProject_Get_Property(llvm-project source_dir)
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target_include_directories(llvm SYSTEM INTERFACE ${source_dir}/include)
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target_include_directories(llvm SYSTEM INTERFACE ${binary_dir}/include)

‎README.md

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# LLVM
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A clone of [LLVM](https://llvm.org/) 3.9.1 modified for use in [RetDec](https://github.com/avast-tl/retdec) and associated tools.
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**Warning: LLVM in this repository was modified and does not behave the same as the vanilla version!**
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## Use
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A single target named `llvm` is exposed. It can be used as follows:
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```cmake
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target_link_libraries(project-that-needs-llvm llvm)
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```
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## Requirements
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* A compiler supporting C++14
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* On Windows, only Microsoft Visual C++ is supported (version >= Visual Studio 2015).
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* CMake (version >= 3.6)
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## License
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Copyright (c) 2003-2016 University of Illinois at Urbana-Champaign. Licensed under the University of Illinois/NCSA Open Source License. See the `src/LICENSE.txt` file for more details.
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## Contributing
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In order to improve the decompilation quality, it is sometimes needed to modify LLVM libraries used by the RetDec decompiler. Any such modification must be consulted with RetDec developers. All modifications must be delimited and marked with keywords `RetDec` or `decompiler` so that it is possible to migrate them to new LLVM sources when the LLVM version is upgraded. When modifying LLVM source code, use the same coding conventions as LLVM uses.

‎src/.arcconfig

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{
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"project_id" : "llvm",
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"conduit_uri" : "https://reviews.llvm.org/"
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}

‎src/.clang-format

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BasedOnStyle: LLVM
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‎src/.clang-tidy

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Checks: '-*,clang-diagnostic-*,llvm-*,misc-*,-misc-unused-parameters,readability-identifier-naming'
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CheckOptions:
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- key: readability-identifier-naming.ClassCase
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value: CamelCase
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- key: readability-identifier-naming.EnumCase
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value: CamelCase
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- key: readability-identifier-naming.FunctionCase
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value: lowerCase
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- key: readability-identifier-naming.UnionCase
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value: CamelCase
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- key: readability-identifier-naming.VariableCase
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value: CamelCase
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‎src/.gitignore

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#==============================================================================#
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# This file specifies intentionally untracked files that git should ignore.
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# See: http://www.kernel.org/pub/software/scm/git/docs/gitignore.html
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#
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# This file is intentionally different from the output of `git svn show-ignore`,
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# as most of those are useless.
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#==============================================================================#
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#==============================================================================#
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# File extensions to be ignored anywhere in the tree.
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#==============================================================================#
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# Temp files created by most text editors.
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*~
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# Merge files created by git.
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*.orig
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# Byte compiled python modules.
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*.pyc
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# vim swap files
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.*.sw?
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.sw?
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#OS X specific files.
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.DS_store
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#==============================================================================#
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# Explicit files to ignore (only matches one).
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#==============================================================================#
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# Various tag programs
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/tags
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/TAGS
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/GPATH
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/GRTAGS
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/GSYMS
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/GTAGS
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.gitusers
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autom4te.cache
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cscope.files
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cscope.out
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autoconf/aclocal.m4
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autoconf/autom4te.cache
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/compile_commands.json
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#==============================================================================#
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# Directories to ignore (do not add trailing '/'s, they skip symlinks).
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#==============================================================================#
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# External projects that are tracked independently.
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projects/*
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!projects/*.*
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!projects/Makefile
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runtimes/*
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!runtimes/*.*
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# Clang, which is tracked independently.
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tools/clang
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# LLDB, which is tracked independently.
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tools/lldb
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# lld, which is tracked independently.
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tools/lld
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# llgo, which is tracked independently.
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tools/llgo
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# Polly, which is tracked independently.
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tools/polly
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# Sphinx build tree, if building in-source dir.
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docs/_build
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#==============================================================================#
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# Files created in tree by the Go bindings.
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#==============================================================================#
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bindings/go/llvm/llvm_config.go
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bindings/go/llvm/workdir

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