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[circle-mlir/ext] Add llvm-project build #14721

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merged 1 commit into from
Feb 20, 2025
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[circle-mlir/ext] Add llvm-project build #14721

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1 change: 1 addition & 0 deletions circle-mlir/externals/.gitignore
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Original file line number Diff line number Diff line change
@@ -1,2 +1,3 @@
abseil-cpp
flatbuffers
llvm-project
22 changes: 22 additions & 0 deletions circle-mlir/externals/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,8 @@ set(FB_BUILD_DIR "${EXTERNALS_BUILD_INST_DIR}/flatbuffers-build")
set(FB_INSTALL_DIR "${EXTERNALS_BUILD_INST_DIR}/flatbuffers-install")
set(AC_BUILD_DIR "${EXTERNALS_BUILD_INST_DIR}/abseil-cpp-build")
set(AC_INSTALL_DIR "${EXTERNALS_BUILD_INST_DIR}/abseil-cpp-install")
set(LP_BUILD_DIR "${EXTERNALS_BUILD_INST_DIR}/llvm-project-build")
set(LP_INSTALL_DIR "${EXTERNALS_BUILD_INST_DIR}/llvm-project-install")

# build flatbuffers
ExternalProject_Add(externals-flatbuffers
Expand All @@ -48,3 +50,23 @@ ExternalProject_Add(externals-abseil-cpp
-DCMAKE_CXX_STANDARD=17
-DCMAKE_CXX_STANDARD_REQUIRED=ON
)

# build MLIR of LLVM
# from https://github.com/onnx/onnx-mlir/blob/main/docs/BuildOnLinuxOSX.md
ExternalProject_Add(externals-llvm-project
GIT_REPOSITORY "https://github.com/llvm/llvm-project.git"
GIT_TAG "91088978d712cd7b33610c59f69d87d5a39e3113"
SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/llvm-project"
SOURCE_SUBDIR "llvm"
BINARY_DIR "${LP_BUILD_DIR}"
INSTALL_DIR "${LP_INSTALL_DIR}"
CMAKE_ARGS -DLLVM_ENABLE_PROJECTS=mlir
-DLLVM_TARGETS_TO_BUILD=host
-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
-DCMAKE_INSTALL_PREFIX='${LP_INSTALL_DIR}'
-DLLVM_ENABLE_ASSERTIONS=ON
-DLLVM_ENABLE_RTTI=ON
# NOTE externals-flatbuffers externals-abseil-cpp are added to DEPENDS only
# to build in sequence and actually do not dependent on build.
DEPENDS externals-flatbuffers externals-abseil-cpp
)
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