mirror of https://github.com/llvm/torch-mlir
76 lines
2.1 KiB
Bash
76 lines
2.1 KiB
Bash
#!/bin/bash
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# Usage (for in-tree build/ directory):
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# ./build_tools/install_mlir.sh
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# Usage (for aribtrary build/ directory):
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# BUILD_DIR=/build ./build_tools/install_mlir.sh
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set -e
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td="$(realpath $(dirname $0)/..)"
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build_dir="$(realpath "${NPCOMP_BUILD_DIR:-$td/build}")"
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build_mlir="${LLVM_BUILD_DIR-$build_dir/build-mlir}"
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install_mlir="${LLVM_INSTALL_DIR-$build_dir/install-mlir}"
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# Find LLVM source (assumes it is adjacent to this directory).
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LLVM_SRC_DIR="$(realpath "${LLVM_SRC_DIR:-$td/external/llvm-project}")"
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if ! [ -f "$LLVM_SRC_DIR/llvm/CMakeLists.txt" ]; then
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echo "Expected LLVM_SRC_DIR variable to be set correctly (got '$LLVM_SRC_DIR')"
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exit 1
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fi
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echo "Using LLVM source dir: $LLVM_SRC_DIR"
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# Setup directories.
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echo "Building MLIR in $build_mlir"
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echo "Install MLIR to $install_mlir"
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mkdir -p "$build_mlir"
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mkdir -p "$install_mlir"
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echo "Beginning build (commands will echo)"
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set -x
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function probe_python() {
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local python_exe="$1"
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local found
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local command
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command="import sys
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if sys.version_info.major >= 3: print(sys.executable)"
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found="$("$python_exe" -c "$command")"
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if ! [ -z "$found" ]; then
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echo "$found"
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fi
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}
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python_exe=""
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for python_candidate in python3 python; do
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python_exe="$(probe_python "$python_candidate")"
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if ! [ -z "$python_exe" ]; then
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break
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fi
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done
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echo "Using python: $python_exe"
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if [ -z "$python_exe" ]; then
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echo "Could not find python3"
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exit 1
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fi
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# TODO: Make it possible to build without an RTTI compiled LLVM. There are
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# a handful of vague linkage issues that need to be fixed upstream.
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cmake -GNinja \
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"-H$LLVM_SRC_DIR/llvm" \
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"-B$build_mlir" \
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-DCMAKE_EXPORT_COMPILE_COMMANDS=TRUE \
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"-DPYTHON_EXECUTABLE=$python_exe" \
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-DLLVM_BUILD_LLVM_DYLIB=ON \
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-DLLVM_LINK_LLVM_DYLIB=ON \
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-DLLVM_INSTALL_UTILS=ON \
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-DLLVM_ENABLE_PROJECTS=mlir \
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-DLLVM_TARGETS_TO_BUILD="X86" \
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-DLLVM_INCLUDE_TOOLS=ON \
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"-DCMAKE_INSTALL_PREFIX=$install_mlir" \
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-DCMAKE_BUILD_TYPE=RelWithDebInfo \
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-DLLVM_USE_SPLIT_DWARF=ON \
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-DLLVM_ENABLE_ASSERTIONS=On \
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-DLLVM_ENABLE_RTTI=On \
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-DMLIR_BINDINGS_PYTHON_ENABLED=ON
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cmake --build "$build_mlir" --target install
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