Add CMake files and lit configurations, enough for `ninja check-mlir-hlo` to pass on all the tests

PiperOrigin-RevId: 325172984

CMakeLists.txt

@@ -0,0 +1,94 @@
+#
+# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+cmake_minimum_required(VERSION 3.13.4)
+
+if(POLICY CMP0068)
+  cmake_policy(SET CMP0068 NEW)
+  set(CMAKE_BUILD_WITH_INSTALL_NAME_DIR ON)
+endif()
+
+if(POLICY CMP0075)
+  cmake_policy(SET CMP0075 NEW)
+endif()
+
+if(POLICY CMP0077)
+  cmake_policy(SET CMP0077 NEW)
+endif()
+
+#-------------------------------------------------------------------------------
+# Project setup and globals
+#-------------------------------------------------------------------------------
+
+project(mlir-hlo LANGUAGES CXX C)
+set(CMAKE_C_STANDARD 11)
+set(CMAKE_CXX_STANDARD 14)
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules")
+
+#-------------------------------------------------------------------------------
+# Options and settings
+#-------------------------------------------------------------------------------
+
+#-------------------------------------------------------------------------------
+# MSVC defaults
+#-------------------------------------------------------------------------------
+
+if(MSVC)
+    add_compile_options(
+        $<$<CONFIG:>:/MD>
+        $<$<CONFIG:Debug>:/MD>
+        $<$<CONFIG:Release>:/MD>
+    )
+endif()
+
+#-------------------------------------------------------------------------------
+# MLIR/LLVM Configuration
+#-------------------------------------------------------------------------------
+
+find_package(MLIR REQUIRED CONFIG)
+message(STATUS "Using MLIRConfig.cmake in: ${MLIR_DIR}")
+message(STATUS "Using LLVMConfig.cmake in: ${LLVM_DIR}")
+list(APPEND CMAKE_MODULE_PATH "${MLIR_CMAKE_DIR}")
+list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_DIR}")
+
+if(LLVM_ENABLE_ZLIB)
+  find_package(ZLIB)
+endif()
+
+include(TableGen)
+include(AddLLVM)
+include(AddMLIR)
+include(HandleLLVMOptions)
+include_directories(${LLVM_INCLUDE_DIRS})
+include_directories(${MLIR_INCLUDE_DIRS})
+include_directories(${PROJECT_SOURCE_DIR}/include)
+include_directories(${PROJECT_BINARY_DIR}/include)
+include_directories(${PROJECT_BINARY_DIR}/)
+link_directories(${LLVM_BUILD_LIBRARY_DIR})
+add_definitions(${LLVM_DEFINITIONS})
+
+#-------------------------------------------------------------------------------
+# Directory setup
+#-------------------------------------------------------------------------------
+
+set(MLIR_HLO_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
+set(MLIR_HLO_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
+
+add_custom_target(check-mlir-hlo)
+
+add_subdirectory(include/mlir-hlo)
+add_subdirectory(lib)
+add_subdirectory(tools)
+add_subdirectory(tests)

include/mlir-hlo/CMakeLists.txt

@@ -0,0 +1,16 @@
+#
+# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+add_subdirectory(Dialect)

include/mlir-hlo/Dialect/CMakeLists.txt

@@ -0,0 +1,16 @@
+#
+# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+add_subdirectory(mhlo)

include/mlir-hlo/Dialect/mhlo/CMakeLists.txt

@@ -0,0 +1,17 @@
+#
+# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+add_subdirectory(IR)
+add_subdirectory(transforms)

include/mlir-hlo/Dialect/mhlo/IR/CMakeLists.txt

@@ -0,0 +1,31 @@
+#
+# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Need a separate function because of the .cc vs .cpp used in the one provided by MLIR
+function(add_mlir_hlo_dialect dialect dialect_namespace)
+  set(LLVM_TARGET_DEFINITIONS ${dialect}.td)
+  mlir_tablegen(${dialect}.h.inc -gen-op-decls)
+  mlir_tablegen(${dialect}.cc.inc -gen-op-defs)
+  mlir_tablegen(${dialect}_structs.h.inc -gen-struct-attr-decls)
+  mlir_tablegen(${dialect}_structs.cc.inc -gen-struct-attr-defs)
+  add_public_tablegen_target(MLIR${dialect}IncGen)
+  add_dependencies(mlir-headers MLIR${dialect}IncGen)
+endfunction()
+
+add_mlir_hlo_dialect(chlo_ops chlo)
+add_mlir_hlo_dialect(hlo_ops mhlo)
+add_mlir_hlo_dialect(lhlo_ops lmhlo)
+
+add_mlir_interface(infer_fusibility_op_interface)

include/mlir-hlo/Dialect/mhlo/transforms/CMakeLists.txt

@@ -0,0 +1,23 @@
+#
+# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+set(LLVM_TARGET_DEFINITIONS mhlo_passes.td)
+mlir_tablegen(mhlo_passes.h.inc -gen-pass-decls)
+add_public_tablegen_target(MLIRMhloPassIncGen)
+
+set(LLVM_TARGET_DEFINITIONS lmhlo_passes.td)
+mlir_tablegen(lmhlo_passes.h.inc -gen-pass-decls)
+add_public_tablegen_target(MLIRLmhloPassIncGen)

lib/CMakeLists.txt

@@ -0,0 +1,17 @@
+#
+# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+add_subdirectory(Dialect)
+add_subdirectory(utils)

lib/Dialect/CMakeLists.txt

@@ -0,0 +1,16 @@
+#
+# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+add_subdirectory(mhlo)

lib/Dialect/mhlo/CMakeLists.txt

@@ -0,0 +1,17 @@
+#
+# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+add_subdirectory(IR)
+add_subdirectory(transforms)

lib/Dialect/mhlo/IR/CMakeLists.txt

@@ -0,0 +1,82 @@
+#
+# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+include_directories(BEFORE
+    ${CMAKE_CURRENT_BINARY_DIR}
+    ${CMAKE_CURRENT_SOURCE_DIR})
+
+set(LLVM_TARGET_DEFINITIONS hlo_patterns.td)
+mlir_tablegen(hlo_patterns.cc.inc -gen-rewriters)
+add_public_tablegen_target(MLIRMhloRewriterIncGen)
+
+set(LLVM_TARGET_DEFINITIONS mhlo_canonicalize.td)
+mlir_tablegen(mhlo_canonicalize.inc -gen-rewriters)
+add_public_tablegen_target(MLIRMhloCanonicalizeIncGen)
+
+add_mlir_dialect_library(ChloDialect
+  chlo_ops.cc
+
+  DEPENDS
+  MLIRchlo_opsIncGen
+)
+target_link_libraries(ChloDialect PUBLIC MLIRIR)
+
+add_mlir_library(MhloInferFusibilityOpInterface
+  infer_fusibility_op_interface.cc
+
+  DEPENDS
+  MLIRinfer_fusibility_op_interfaceIncGen
+)
+
+
+add_mlir_dialect_library(MhloDialect
+  hlo_ops.cc
+
+  DEPENDS
+  MLIRhlo_opsIncGen
+  MLIRMhloCanonicalizeIncGen
+  MLIRMhloRewriterIncGen
+  MLIRinfer_fusibility_op_interfaceIncGen
+)
+target_link_libraries(MhloDialect
+  PUBLIC
+  MLIRIR
+  MhloInferFusibilityOpInterface
+  MLIRMhloUtils
+)
+
+
+add_mlir_dialect_library(LmhloDialect
+  lhlo_ops.cc
+
+  DEPENDS
+  MLIRlhlo_opsIncGen
+)
+target_link_libraries(LmhloDialect PUBLIC MLIRIR)
+
+
+add_mlir_dialect_library(MhloRegisterDialects
+  init.cc
+DEPENDS
+  MLIRchlo_opsIncGen
+  MLIRhlo_opsIncGen
+  MLIRlhlo_opsIncGen
+)
+target_link_libraries(MhloRegisterDialects
+  PUBLIC
+  ChloDialect
+  MhloDialect
+  LmhloDialect
+)

lib/Dialect/mhlo/transforms/CMakeLists.txt

@@ -0,0 +1,155 @@
+#
+# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+include_directories(BEFORE
+    ${CMAKE_CURRENT_BINARY_DIR}
+    ${CMAKE_CURRENT_SOURCE_DIR})
+
+set(LLVM_TARGET_DEFINITIONS lower_complex_patterns.td)
+mlir_tablegen(generated_lower_complex.inc -gen-rewriters)
+add_public_tablegen_target(MLIRMhloLowerComplexIncGen)
+
+set(LLVM_TARGET_DEFINITIONS legalize_to_standard_patterns.td)
+mlir_tablegen(generated_legalize_to_standard.inc -gen-rewriters)
+add_public_tablegen_target(MLIRMhloLegalizeToStandardIncGen)
+
+
+add_mlir_library(ChloPasses
+  chlo_legalize_to_hlo.cc
+  chlo_legalize_to_hlo_pass.cc
+
+  DEPENDS
+  MLIRhlo_opsIncGen
+
+  LINK_COMPONENTS
+  Core
+
+  LINK_LIBS PUBLIC
+  ChloDialect
+  MLIRIR
+  MLIRPass
+)
+
+add_mlir_library(MhloPasses
+  legalize_gather_to_torch_index_select.cc
+  legalize_tanh_to_approximation.cc
+  lower_complex.cc
+  lower_complex_patterns.td
+  lower_general_dot.cc
+  materialize_broadcasts.cc
+  materialize_broadcasts_pass.cc
+  mhlo_fusion.cc
+  optimize_mhlo.cc
+  optimize_mhlo_pass.cc
+  sink_constants_to_control_flow.cc
+  test_infer_shaped_type_pass.cc
+  transform_unranked_hlo.cc
+  unfuse_batch_norm.cc
+  unfuse_batch_norm_pass.cc
+
+  DEPENDS
+  MLIRhlo_opsIncGen
+  MLIRMhloLowerComplexIncGen
+
+  LINK_COMPONENTS
+  Core
+
+  LINK_LIBS PUBLIC
+  MLIRIR
+  MLIRMhloUtils
+  MLIRPass
+  MLIRTransformUtils
+)
+
+add_mlir_library(MhloToLhloConversion
+  hlo_legalize_to_lhlo.cc
+
+  DEPENDS
+  MLIRhlo_opsIncGen
+  MLIRlhlo_opsIncGen
+
+  LINK_COMPONENTS
+  Core
+
+  LINK_LIBS PUBLIC
+  MhloDialect
+  LmhloDialect
+  MLIRIR
+  MLIRPass
+)
+
+add_mlir_library(MhloToStandard
+  legalize_control_flow.cc
+  legalize_to_standard.cc
+
+  DEPENDS
+  MLIRhlo_opsIncGen
+  MLIRlhlo_opsIncGen
+  MLIRMhloLegalizeToStandardIncGen
+
+  LINK_COMPONENTS
+  Core
+
+  LINK_LIBS PUBLIC
+  MLIRIR
+  MLIRPass
+)
+
+add_mlir_library(MhloLhloToLinalg
+  legalize_to_linalg.cc
+
+  DEPENDS
+  MLIRhlo_opsIncGen
+  MLIRlhlo_opsIncGen
+
+  LINK_COMPONENTS
+  Core
+
+  LINK_LIBS PUBLIC
+  MhloDialect
+  MLIRIR
+  MLIRPass
+)
+
+add_mlir_library(LmhloPasses
+  lhlo_copy_removal.cc
+  lhlo_fuse_linalg.cc
+  lhlo_legalize_to_affine.cc
+  lhlo_legalize_to_gpu.cc
+  lhlo_legalize_to_llvm.cc
+  lhlo_legalize_to_llvm_pass.cc
+  lhlo_legalize_to_parallel_loops.cc
+
+  DEPENDS
+  MLIRlhlo_opsIncGen
+
+  LINK_COMPONENTS
+  Core
+
+  LINK_LIBS PUBLIC
+  LmhloDialect
+  MLIRIR
+  MLIRPass
+)
+
+add_library(AllMhloPasses INTERFACE)
+target_link_libraries(AllMhloPasses INTERFACE
+  ChloPasses
+  MhloPasses
+  MhloToLhloConversion
+  MhloToStandard
+  MhloLhloToLinalg
+  LmhloPasses
+)

lib/utils/CMakeLists.txt

@@ -0,0 +1,25 @@
+#
+# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+add_mlir_library(MLIRMhloUtils
+  broadcast_utils.cc
+  convert_op_folder.cc
+  cycle_detector.cc
+  hlo_utils.cc
+
+  LINK_LIBS PUBLIC
+  MLIRSupport
+  )

tests/CMakeLists.txt

@@ -0,0 +1,36 @@
+#
+# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+configure_lit_site_cfg(
+        ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.py.in
+        ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg.py
+        MAIN_CONFIG
+        ${CMAKE_CURRENT_SOURCE_DIR}/lit.cfg.py
+)
+
+set(MLIR_HLO_TEST_DEPENDS
+        FileCheck count not
+        mlir-hlo-opt
+)
+
+add_lit_testsuite(check-mlir-hlo-lit "Running the mlir-hlo regression tests"
+        ${CMAKE_CURRENT_BINARY_DIR}
+        DEPENDS ${MLIR_HLO_TEST_DEPENDS}
+        )
+set_target_properties(check-mlir-hlo-lit PROPERTIES FOLDER "Tests")
+
+add_lit_testsuites(MLIR_HLO_OPT ${CMAKE_CURRENT_SOURCE_DIR} DEPENDS ${MLIR_HLO_TEST_DEPENDS})
+
+add_dependencies(check-mlir-hlo check-mlir-hlo-lit)

tests/lit.cfg.py

@@ -0,0 +1,82 @@
+"""Lit configuration to drive test in this repo."""
+# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# -*- Python -*-
+# pylint: disable=undefined-variable
+
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+import os
+
+import lit.formats
+from lit.llvm import llvm_config
+from lit.llvm.subst import ToolSubst
+import lit.util
+
+# Configuration file for the 'lit' test runner.
+
+# name: The name of this test suite.
+config.name = 'MLIR_HLO_OPT'
+
+config.test_format = lit.formats.ShTest(not llvm_config.use_lit_shell)
+
+# suffixes: A list of file extensions to treat as test files.
+config.suffixes = ['.mlir', '.mlir.py']
+
+# test_source_root: The root path where tests are located.
+config.test_source_root = os.path.dirname(__file__)
+
+# test_exec_root: The root path where tests should be run.
+config.test_exec_root = os.path.join(config.mlir_hlo_obj_root, 'test')
+
+config.substitutions.append(('%PATH%', config.environment['PATH']))
+config.substitutions.append(('%shlibext', config.llvm_shlib_ext))
+
+llvm_config.with_system_environment(['HOME', 'INCLUDE', 'LIB', 'TMP', 'TEMP'])
+
+llvm_config.use_default_substitutions()
+
+# excludes: A list of directories to exclude from the testsuite. The 'Inputs'
+# subdirectories contain auxiliary inputs for various tests in their parent
+# directories.
+config.excludes = [
+    'Inputs', 'Examples', 'CMakeLists.txt', 'README.txt', 'LICENSE.txt'
+]
+
+# test_source_root: The root path where tests are located.
+config.test_source_root = os.path.dirname(__file__)
+
+# test_exec_root: The root path where tests should be run.
+config.test_exec_root = os.path.join(config.mlir_hlo_obj_root, 'test')
+config.mlir_hlo_tools_dir = os.path.join(config.mlir_hlo_obj_root, 'tools')
+
+# Tweak the PATH to include the tools dir.
+llvm_config.with_environment('PATH', config.llvm_tools_dir, append_path=True)
+
+tool_dirs = [
+    os.path.join(config.mlir_hlo_tools_dir, 'mlir-hlo-opt'),
+    config.llvm_tools_dir,
+]
+tools = [
+    'mlir-hlo-opt',
+    'mlir-cpu-runner',
+    ToolSubst(
+        '%mlir_runner_utils_dir',
+        config.mlir_runner_utils_dir,
+        unresolved='ignore'),
+]
+
+llvm_config.add_tool_substitutions(tools, tool_dirs)

tests/lit.site.cfg.py.in

@@ -0,0 +1,50 @@
+@LIT_SITE_CFG_IN_HEADER@
+
+import sys
+
+config.host_triple = "@LLVM_HOST_TRIPLE@"
+config.target_triple = "@TARGET_TRIPLE@"
+config.llvm_src_root = "@LLVM_SOURCE_DIR@"
+config.llvm_obj_root = "@LLVM_BINARY_DIR@"
+config.llvm_tools_dir = "@LLVM_TOOLS_DIR@"
+config.llvm_lib_dir = "@LLVM_LIBRARY_DIR@"
+config.llvm_shlib_dir = "@SHLIBDIR@"
+config.llvm_shlib_ext = "@SHLIBEXT@"
+config.llvm_exe_ext = "@EXEEXT@"
+config.lit_tools_dir = "@LLVM_LIT_TOOLS_DIR@"
+config.python_executable = "@PYTHON_EXECUTABLE@"
+config.gold_executable = "@GOLD_EXECUTABLE@"
+config.ld64_executable = "@LD64_EXECUTABLE@"
+config.enable_shared = @ENABLE_SHARED@
+config.enable_assertions = @ENABLE_ASSERTIONS@
+config.targets_to_build = "@TARGETS_TO_BUILD@"
+config.native_target = "@LLVM_NATIVE_ARCH@"
+config.llvm_bindings = "@LLVM_BINDINGS@".split(' ')
+config.host_os = "@HOST_OS@"
+config.host_cc = "@HOST_CC@"
+config.host_cxx = "@HOST_CXX@"
+# Note: ldflags can contain double-quoted paths, so must use single quotes here.
+config.host_ldflags = '@HOST_LDFLAGS@'
+config.llvm_use_sanitizer = "@LLVM_USE_SANITIZER@"
+config.llvm_host_triple = '@LLVM_HOST_TRIPLE@'
+config.host_arch = "@HOST_ARCH@"
+config.mlir_hlo_src_root = "@CMAKE_SOURCE_DIR@"
+config.mlir_hlo_obj_root = "@CMAKE_BINARY_DIR@"
+config.mlir_runner_utils_dir = os.path.join(config.llvm_obj_root, "lib")
+
+# Support substitution of the tools_dir with user parameters. This is
+# used when we can't determine the tool dir at configuration time.
+try:
+    config.llvm_tools_dir = config.llvm_tools_dir % lit_config.params
+    config.llvm_shlib_dir = config.llvm_shlib_dir % lit_config.params
+except KeyError:
+    e = sys.exc_info()[1]
+    key, = e.args
+    lit_config.fatal("unable to find %r parameter, use '--param=%s=VALUE'" % (key,key))
+
+
+import lit.llvm
+lit.llvm.initialize(lit_config, config)
+
+# Let the main config do the real work.
+lit_config.load_config(config, "@CMAKE_SOURCE_DIR@/tests/lit.cfg.py")

tools/CMakeLists.txt

@@ -0,0 +1,16 @@
+#
+# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+add_subdirectory(mlir-hlo-opt)

tools/mlir-hlo-opt/CMakeLists.txt

@@ -0,0 +1,32 @@
+#
+# Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+get_property(dialect_libs GLOBAL PROPERTY MLIR_DIALECT_LIBS)
+get_property(conversion_libs GLOBAL PROPERTY MLIR_CONVERSION_LIBS)
+set(LIBS
+        ${dialect_libs}
+        ${conversion_libs}
+        MLIROptLib
+
+        MhloRegisterDialects
+        AllMhloPasses
+        )
+add_llvm_executable(mlir-hlo-opt mlir-hlo-opt.cpp
+  DEPENDS
+        MLIRLmhloPassIncGen
+        MLIRMhloPassIncGen
+)
+llvm_update_compile_flags(mlir-hlo-opt)
+target_link_libraries(mlir-hlo-opt PRIVATE ${LIBS})