CMakeLists.txt

cmake_minimum_required(VERSION 3.3)

if (CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR )
  message (FATAL_ERROR
    "In-source builds are not allowed. Please clean your source tree and try again.")
endif()

find_package (LLVM 5.0 REQUIRED CONFIG NO_DEFAULT_PATH)

message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
message(STATUS "Using LLVMConfig.cmake in: ${LLVM_DIR}")

# We incorporate the CMake features provided by LLVM:
list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_DIR}")
include(AddLLVM)
include(HandleLLVMOptions)
set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin)
set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LLVM_CXXFLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${LLVM_LDFLAGS}")

set(LLVM_REQUIRES_RTTI TRUE)
set(LLVM_REQUIRES_EH TRUE)

include_directories(${LLVM_INCLUDE_DIRS})
link_directories(${LLVM_LIBRARY_DIRS})
add_definitions(${LLVM_DEFINITIONS})

include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
add_subdirectory(lib/Transforms/InstCombine)
add_subdirectory(tools/opt)