From b00dd9960c5d32ce04047bd04f00ddb82e1fdba7 Mon Sep 17 00:00:00 2001 From: Sylvestre Ledru Date: Wed, 27 Jun 2018 07:52:37 +0100 Subject: [PATCH] Import llvm-toolchain-6.0_6.0.1.orig-polly.tar.bz2 [dgit import orig llvm-toolchain-6.0_6.0.1.orig-polly.tar.bz2] --- .arcconfig | 9 + .arclint | 25 + .gitattributes | 4 + .gitignore | 3 + CMakeLists.txt | 222 + CREDITS.txt | 42 + LICENSE.txt | 61 + README | 12 + cmake/CMakeLists.txt | 133 + cmake/FindISL.cmake | 24 + cmake/FindJsoncpp.cmake | 57 + cmake/PollyConfig.cmake.in | 43 + cmake/polly_macros.cmake | 88 + docs/Architecture.rst | 93 + docs/CMakeLists.txt | 103 + ...oManuallyUseTheIndividualPiecesOfPolly.rst | 475 + docs/Performance.rst | 57 + docs/ReleaseNotes.rst | 3 + docs/TipsAndTricks.rst | 56 + docs/UsingPollyWithClang.rst | 132 + docs/conf.py | 240 + docs/doxygen.cfg.in | 2306 ++ ...___%for.cond1.preheader---%for.end19.jscop | 33 + ...___%for.cond1.preheader---%for.end30.jscop | 57 + 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create mode 100644 tools/GPURuntime/LICENSE.TXT create mode 100644 unittests/CMakeLists.txt create mode 100644 unittests/DeLICM/CMakeLists.txt create mode 100644 unittests/DeLICM/DeLICMTest.cpp create mode 100644 unittests/Flatten/CMakeLists.txt create mode 100644 unittests/Flatten/FlattenTest.cpp create mode 100644 unittests/Isl/CMakeLists.txt create mode 100644 unittests/Isl/IslTest.cpp create mode 100644 unittests/ScheduleOptimizer/CMakeLists.txt create mode 100644 unittests/ScheduleOptimizer/ScheduleOptimizerTest.cpp create mode 100644 unittests/ScopPassManager/CMakeLists.txt create mode 100644 unittests/ScopPassManager/PassManagerTest.cpp create mode 100644 utils/arcanist/LitTestEngine/__phutil_library_init__.php create mode 100644 utils/arcanist/LitTestEngine/__phutil_library_map__.php create mode 100644 utils/arcanist/LitTestEngine/src/LitTestEngine.php create mode 100644 utils/argparse.py create mode 100755 utils/jscop2cloog.py create mode 100644 utils/pyscop/isl.py create mode 100755 utils/pyscop/jscop2iscc.py create mode 100644 utils/pyscop/pyscop.py diff --git a/.arcconfig b/.arcconfig new file mode 100644 index 00000000..27acbf45 --- /dev/null +++ b/.arcconfig @@ -0,0 +1,9 @@ +{ + "repository.callsign" : "PLO", + "conduit_uri" : "https://reviews.llvm.org/", + "history.immutable" : true, + "load" : [ + "utils/arcanist/LitTestEngine" + ], + "unit.engine" : "LitTestEngine" +} diff --git a/.arclint b/.arclint new file mode 100644 index 00000000..07bca356 --- /dev/null +++ b/.arclint @@ -0,0 +1,25 @@ +{ + "linters": { + "format": { + "include": "(include/polly/.+\\.h$|lib/.+\\.cpp$)", + "exclude": "(lib/External/JSON/.*)", + "type": "script-and-regex", + "script-and-regex.script": "sh -c './utils/check_format.sh \"$0\" 2> /dev/null || true'", + "script-and-regex.regex": "/^(OK:(?P.+)|Error:) (?P.+)$/m" + }, + "chmod": { + "type": "chmod" + }, + "filename": { + "exclude": "(www/experiments/.+|.*\\.jscop.*)", + "type": "filename" + }, + "merge-conflict": { + "type": "merge-conflict" + }, + "spelling": { + "exclude": "(configure|autoconf/.*)", + "type": "spelling" + } + } +} diff --git a/.gitattributes b/.gitattributes new file mode 100644 index 00000000..7105fff2 --- /dev/null +++ b/.gitattributes @@ -0,0 +1,4 @@ +# Auto detect text files and perform LF normalization +* text eol=lf +*.png -text +*.pdf -text diff --git a/.gitignore b/.gitignore new file mode 100644 index 00000000..60b5030a --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +test/lit.site.cfg +lib/External/isl/doc/manual.pdf +00* diff --git a/CMakeLists.txt b/CMakeLists.txt new file mode 100644 index 00000000..9ddc0f7f --- /dev/null +++ b/CMakeLists.txt @@ -0,0 +1,222 @@ +# Check if this is a in tree build. +if (NOT DEFINED LLVM_MAIN_SRC_DIR) + project(Polly) + cmake_minimum_required(VERSION 3.4.3) + + # Where is LLVM installed? + find_package(LLVM CONFIG REQUIRED) + set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${LLVM_CMAKE_DIR}) + include(HandleLLVMOptions) + include(AddLLVM) + + # Add the llvm header path. + include_directories(${LLVM_INCLUDE_DIRS}) + + # Sources available, too? + if (LLVM_BUILD_MAIN_SRC_DIR) + set(LLVM_SOURCE_ROOT ${LLVM_BUILD_MAIN_SRC_DIR} CACHE PATH + "Path to LLVM source tree") + else() + execute_process(COMMAND "${LLVM_TOOLS_BINARY_DIR}/llvm-config" --src-root + OUTPUT_VARIABLE MAIN_SRC_DIR + OUTPUT_STRIP_TRAILING_WHITESPACE) + set(LLVM_SOURCE_ROOT ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree") + endif() + + # Enable unit tests if available. + set(POLLY_GTEST_AVAIL 0) + set(UNITTEST_DIR ${LLVM_SOURCE_ROOT}/utils/unittest) + if(EXISTS ${UNITTEST_DIR}/googletest/include/gtest/gtest.h) + # The build tree already exports the gtest target, which we can reuse + if (TARGET gtest) + # LLVM Doesn't export gtest's include directorys, so do that here + set_target_properties(gtest + PROPERTIES INTERFACE_INCLUDE_DIRECTORIES + "${UNITTEST_DIR}/googletest/include;${UNITTEST_DIR}/googlemock/include" + ) + set(POLLY_GTEST_AVAIL 1) + else() + add_library(gtest + ${UNITTEST_DIR}/googletest/src/gtest-all.cc + ${UNITTEST_DIR}/googlemock/src/gmock-all.cc + ) + target_include_directories(gtest + PUBLIC + "${UNITTEST_DIR}/googletest/include" + "${UNITTEST_DIR}/googlemock/include" + + PRIVATE + "${UNITTEST_DIR}/googletest" + "${UNITTEST_DIR}/googlemock" + ) + target_link_libraries(gtest -lpthread) + + add_library(gtest_main ${UNITTEST_DIR}/UnitTestMain/TestMain.cpp) + target_link_libraries(gtest_main gtest) + + set(POLLY_GTEST_AVAIL 1) + endif() + endif() + + # Make sure the isl c files are built as fPIC + set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC") + + # Set directory for polly-isl-test. + set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin") +else () + set(LLVM_SOURCE_ROOT "${LLVM_MAIN_SRC_DIR}") + set(POLLY_GTEST_AVAIL 1) +endif () + +set(POLLY_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) +set(POLLY_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) + +# Add path for custom modules +set(CMAKE_MODULE_PATH + ${CMAKE_MODULE_PATH} + "${CMAKE_CURRENT_SOURCE_DIR}/cmake" + ) + +include("polly_macros") + +# Add appropriate flags for GCC +if (CMAKE_COMPILER_IS_GNUCXX) + # FIXME: Turn off exceptions, RTTI: + # -fno-exceptions -fno-rtti + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-common -Woverloaded-virtual -Wno-long-long -Wall -W -Wno-unused-parameter -Wwrite-strings -fno-exceptions -fno-rtti") +elseif (MSVC) + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /EHs-c-") + add_definitions("-D_HAS_EXCEPTIONS=0") +else () + set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-exceptions -fno-rtti") +endif () + +# Add path for custom modules +set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${POLLY_SOURCE_DIR}/cmake") + +SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE) + +option(POLLY_ENABLE_GPGPU_CODEGEN "Enable GPGPU code generation feature" OFF) +if (POLLY_ENABLE_GPGPU_CODEGEN) + # Do not require CUDA/OpenCL, as GPU code generation test cases can be run + # without a CUDA/OpenCL library. + FIND_PACKAGE(CUDA) + FIND_PACKAGE(OpenCL) + set(GPU_CODEGEN TRUE) +else(POLLY_ENABLE_GPGPU_CODEGEN) + set(GPU_CODEGEN FALSE) +endif(POLLY_ENABLE_GPGPU_CODEGEN) + + +# Support GPGPU code generation if the library is available. +if (CUDA_FOUND) + add_definitions(-DHAS_LIBCUDART) + INCLUDE_DIRECTORIES( ${CUDA_INCLUDE_DIRS} ) +endif(CUDA_FOUND) +if (OpenCL_FOUND) + add_definitions(-DHAS_LIBOPENCL) + INCLUDE_DIRECTORIES( ${OpenCL_INCLUDE_DIR} ) +endif(OpenCL_FOUND) + +option(POLLY_BUNDLED_ISL "Use the bundled version of libisl included in Polly" ON) +if (NOT POLLY_BUNDLED_ISL) + find_package(ISL MODULE REQUIRED) + message(STATUS "Using external libisl ${ISL_VERSION} in: ${ISL_PREFIX}") + set(ISL_TARGET ISL) +else() + set(ISL_INCLUDE_DIRS + ${CMAKE_CURRENT_BINARY_DIR}/lib/External/isl/include + ${CMAKE_CURRENT_SOURCE_DIR}/lib/External/isl/include + ) + set(ISL_TARGET PollyISL) +endif() + +option(POLLY_BUNDLED_JSONCPP "Use the bundled version of jsoncpp included in Polly" ON) +if (POLLY_BUNDLED_JSONCPP) + set(JSONCPP_INCLUDE_DIRS "${CMAKE_CURRENT_SOURCE_DIR}/lib/External/JSON/include") + set(JSONCPP_LIBRARIES) + set(POLLY_JSON_FILES + External/JSON/json_reader.cpp + External/JSON/json_value.cpp + External/JSON/json_writer.cpp + ) +else () + find_package(Jsoncpp REQUIRED) + set(POLLY_JSON_FILES) +endif () + +include_directories( + BEFORE + ${CMAKE_CURRENT_SOURCE_DIR}/include + ${ISL_INCLUDE_DIRS} + ${JSONCPP_INCLUDE_DIRS} + ${CMAKE_CURRENT_SOURCE_DIR}/lib/External/pet/include + ${CMAKE_CURRENT_SOURCE_DIR}/lib/External + ${CMAKE_CURRENT_BINARY_DIR}/include + ) + +if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) + install(DIRECTORY include/ + DESTINATION include + FILES_MATCHING + PATTERN "*.h" + PATTERN ".svn" EXCLUDE + ) + + install(DIRECTORY ${POLLY_BINARY_DIR}/include/ + DESTINATION include + FILES_MATCHING + PATTERN "*.h" + PATTERN "CMakeFiles" EXCLUDE + PATTERN ".svn" EXCLUDE + ) +endif() + +add_definitions( -D_GNU_SOURCE ) + +add_subdirectory(docs) +add_subdirectory(lib) +add_subdirectory(test) +if (POLLY_GTEST_AVAIL) + add_subdirectory(unittests) +endif () +add_subdirectory(tools) +add_subdirectory(cmake) +# TODO: docs. + + +configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/include/polly/Config/config.h.cmake + ${POLLY_BINARY_DIR}/include/polly/Config/config.h ) + +# Add target to check formatting of polly files +file( GLOB_RECURSE files *.h lib/*.cpp lib/*.c tools/*.cpp tools/*.c tools/*.h unittests/*.cpp) +file( GLOB_RECURSE external lib/External/*.h lib/External/*.c lib/External/*.cpp isl_config.h) +list( REMOVE_ITEM files ${external}) + +set(check_format_depends) +set(update_format_depends) +set(i 0) +foreach (file IN LISTS files) + add_custom_command(OUTPUT polly-check-format${i} + COMMAND clang-format -sort-includes -style=llvm ${file} | diff -u ${file} - + VERBATIM + COMMENT "Checking format of ${file}..." + ) + list(APPEND check_format_depends "polly-check-format${i}") + + add_custom_command(OUTPUT polly-update-format${i} + COMMAND clang-format -sort-includes -i -style=llvm ${file} + VERBATIM + COMMENT "Updating format of ${file}..." + ) + list(APPEND update_format_depends "polly-update-format${i}") + + math(EXPR i ${i}+1) +endforeach () + +add_custom_target(polly-check-format DEPENDS ${check_format_depends}) +set_target_properties(polly-check-format PROPERTIES FOLDER "Polly") + +add_custom_target(polly-update-format DEPENDS ${update_format_depends}) +set_target_properties(polly-update-format PROPERTIES FOLDER "Polly") + diff --git a/CREDITS.txt b/CREDITS.txt new file mode 100644 index 00000000..98fb9cd6 --- /dev/null +++ b/CREDITS.txt @@ -0,0 +1,42 @@ +This file is a partial list of people who have contributed to Polly. +If you have contributed a patch or made some other contribution to +Polly, please submit a patch to this file to add yourself, and it will be +done! + +The list is sorted by surname and formatted to allow easy grepping and +beautification by scripts. The fields are: name (N), email (E), web-address +(W), PGP key ID and fingerprint (P), description (D), and snail-mail address +(S). + +N: Raghesh Aloor +E: raghesh.a@gmail.com +D: OpenMP code generation +D: Google Summer of Code student 2011 + +N: Tobias Grosser +E: tobias@grosser.es +W: http://www.grosser.es +D: Co-founder, design of the overall architecture + +N: Yabin Hu +E: yabin.hwu@gmail.com +D: GPGPU code generation +D: Google Summer of Code student 2012, 2014 + +N: Andreas Simbuerger +E: simbuerg@fim.uni-passau.de +W: http://www.infosun.fim.uni-passau.de/cl/staff/simbuerger/ +D: Profiling infrastructure + +N: Hongbin Zheng +E: etherzhhb@gmail.com +D: Co-founder +D: scop detection, automake/cmake infrastructure, scopinfo, scoppasses, ... +D: Google Summer of Code student 2010 + +N: Johannes Doerfert +E: doerfert@cs.uni-saarland.de +E: jdoerfert@codeaurora.org +W: http://www.cdl.uni-saarland.de/people/doerfert/ +P: http://www.cdl.uni-saarland.de/people/doerfert/JohannesDoerfert.asc +D: reductions, general infrastructure diff --git a/LICENSE.txt b/LICENSE.txt new file mode 100644 index 00000000..5019e517 --- /dev/null +++ b/LICENSE.txt @@ -0,0 +1,61 @@ +============================================================================== +Polly Release License +============================================================================== +University of Illinois/NCSA +Open Source License + +Copyright (c) 2009-2016 Polly Team +All rights reserved. + +Developed by: + + Polly Team + +Permission is hereby granted, free of charge, to any person obtaining a copy of +this software and associated documentation files (the "Software"), to deal with +the Software without restriction, including without limitation the rights to +use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies +of the Software, and to permit persons to whom the Software is furnished to do +so, subject to the following conditions: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimers. + + * Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimers in the + documentation and/or other materials provided with the distribution. + + * Neither the names of the Polly Team, copyright holders, nor the names of + its contributors may be used to endorse or promote products derived from + this Software without specific prior written permission. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS +FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE +SOFTWARE. + +============================================================================== +Copyrights and Licenses for Third Party Software Distributed with LLVM: +============================================================================== +The Polly software contains code written by third parties. Such software will +have its own individual LICENSE.TXT file in the directory in which it appears. +This file will describe the copyrights, license, and restrictions which apply +to that code. + +The disclaimer of warranty in the University of Illinois Open Source License +applies to all code in the Polly Distribution, and nothing in any of the other +licenses gives permission to use the names of the Polly Team or promote products +derived from this Software. + +The following pieces of software have additional or alternate copyrights, +licenses, and/or restrictions: + +Program Directory +------- --------- +jsoncpp lib/External/JSON + + + diff --git a/README b/README new file mode 100644 index 00000000..09a4a546 --- /dev/null +++ b/README @@ -0,0 +1,12 @@ +Polly - Polyhedral optimizations for LLVM +----------------------------------------- +http://polly.llvm.org/ + +Polly uses a mathematical representation, the polyhedral model, to represent and +transform loops and other control flow structures. Using an abstract +representation it is possible to reason about transformations in a more general +way and to use highly optimized linear programming libraries to figure out the +optimal loop structure. These transformations can be used to do constant +propagation through arrays, remove dead loop iterations, optimize loops for +cache locality, optimize arrays, apply advanced automatic parallelization, drive +vectorization, or they can be used to do software pipelining. diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt new file mode 100644 index 00000000..969292cd --- /dev/null +++ b/cmake/CMakeLists.txt @@ -0,0 +1,133 @@ +# Keep this in sync with llvm/cmake/CMakeLists.txt! + +set(LLVM_INSTALL_PACKAGE_DIR "lib${LLVM_LIBDIR_SUFFIX}/cmake/llvm") +set(POLLY_INSTALL_PACKAGE_DIR "lib${LLVM_LIBDIR_SUFFIX}/cmake/polly") +if (CMAKE_CONFIGURATION_TYPES) + set(POLLY_EXPORTS_FILE_NAME "PollyExports-$>.cmake") +else() + # avoid conflicts in the build-tree when changing configuration + set(POLLY_EXPORTS_FILE_NAME "PollyExports-all.cmake") +endif() + +set(POLLY_CONFIG_EXPORTED_TARGETS Polly ${ISL_TARGET}) +if (NOT MSVC) + # LLVMPolly is a dummy target on Win + list(APPEND POLLY_CONFIG_EXPORTED_TARGETS LLVMPolly) +endif() +if (POLLY_ENABLE_GPGPU_CODEGEN) + list(APPEND POLLY_CONFIG_EXPORTED_TARGETS PollyPPCG) +endif() + +# Get the target type for every exported target +foreach(tgt IN LISTS POLLY_CONFIG_EXPORTED_TARGETS) + get_target_property(tgt_type ${tgt} TYPE) + string(REPLACE "_LIBRARY" "" tgt_type ${tgt_type}) + set(POLLY_CONFIG_TARGET_${tgt}_TYPE ${tgt_type}) +endforeach() + +set(llvm_cmake_builddir "${LLVM_BINARY_DIR}/${LLVM_INSTALL_PACKAGE_DIR}") +set(POLLY_CONFIG_LLVM_CMAKE_DIR "${llvm_cmake_builddir}") + +# generate the import code for bundled/undbundled libisl versions +if (NOT POLLY_BUNDLED_ISL) + get_property(incl TARGET ISL PROPERTY INTERFACE_INCLUDE_DIRECTORIES) + get_property(lib TARGET ISL PROPERTY INTERFACE_LINK_LIBRARIES) + get_property(opt TARGET ISL PROPERTY INTERFACE_COMPILE_OPTIONS) + set(ISL_CONFIG_CODE " +add_library(ISL INTERFACE IMPORTED) +set_property(TARGET ISL APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${incl}) +set_property(TARGET ISL APPEND PROPERTY INTERFACE_LINK_LIBRARIES ${lib}) +set_property(TARGET ISL APPEND PROPERTY INTERFACE_COMPILE_OPTIONS ${opt})") +else() + set(ISL_CONFIG_CODE " +if (NOT TARGET PollyISL) + add_library(PollyISL ${POLLY_CONFIG_TARGET_PollyISL_TYPE} IMPORTED) +endif()") +endif() + +# Generate PollyConfig.cmake for the build tree. +set(POLLY_CONFIG_CMAKE_DIR "${CMAKE_BINARY_DIR}/${POLLY_INSTALL_PACKAGE_DIR}") +set(POLLY_CONFIG_INCLUDE_DIRS + ${POLLY_SOURCE_DIR}/include + ${ISL_INCLUDE_DIRS} + ${POLLY_BINARY_DIR}/include + ) +set(POLLY_CONFIG_LIBRARY_DIRS "${POLLY_BINARY_DIR}/lib") + +# set locations for imported targets +foreach(tgt IN LISTS POLLY_CONFIG_EXPORTED_TARGETS) + get_target_property(tgt_type ${tgt} TYPE) + if (NOT tgt_type STREQUAL "INTERFACE_LIBRARY") + set(POLLY_EXPORTS + "set_target_properties(${tgt} PROPERTIES + IMPORTED_LOCATION_$> $) +${POLLY_EXPORTS}") + endif() +endforeach(tgt) + +# PollyConfig holds the target definitions and general settings, PollyExports +# the imported locations +configure_file( + ${CMAKE_CURRENT_SOURCE_DIR}/PollyConfig.cmake.in + ${POLLY_CONFIG_CMAKE_DIR}/PollyConfig.cmake + @ONLY) + +file(GENERATE + OUTPUT ${POLLY_CONFIG_CMAKE_DIR}/${POLLY_EXPORTS_FILE_NAME} + CONTENT "${POLLY_EXPORTS}") + + +# Generate PollyConfig.cmake for the install tree. +unset(POLLY_EXPORTS) +set(POLLY_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}") +set(POLLY_CONFIG_LLVM_CMAKE_DIR "${LLVM_BINARY_DIR}/${LLVM_INSTALL_PACKAGE_DIR}") +set(POLLY_CONFIG_CMAKE_DIR "${POLLY_INSTALL_PREFIX}/${POLLY_INSTALL_PACKAGE_DIR}") +set(POLLY_CONFIG_LIBRARY_DIRS "${POLLY_INSTALL_PREFIX}/lib${LLVM_LIBDIR_SUFFIX}") +if (POLLY_BUNDLED_ISL) + set(POLLY_CONFIG_INCLUDE_DIRS + "${POLLY_INSTALL_PREFIX}/include" + "${POLLY_INSTALL_PREFIX}/include/polly" + ) +else() + set(POLLY_CONFIG_INCLUDE_DIRS + "${POLLY_INSTALL_PREFIX}/include" + ${ISL_INCLUDE_DIRS} + ) +endif() + +# set locations for imported targets. The path is constructed to be relative to +# the config file +foreach(tgt IN LISTS POLLY_CONFIG_EXPORTED_TARGETS) + get_target_property(tgt_type ${tgt} TYPE) + if (tgt_type STREQUAL "EXECUTABLE") + set(tgt_prefix "bin/") + else() + set(tgt_prefix "lib/") + endif() + + set(tgt_path "${CMAKE_INSTALL_PREFIX}/${tgt_prefix}$") + file(RELATIVE_PATH tgt_path ${POLLY_CONFIG_CMAKE_DIR} ${tgt_path}) + + if (NOT tgt_type STREQUAL "INTERFACE_LIBRARY") + set(POLLY_EXPORTS +"set_target_properties(${tgt} PROPERTIES + IMPORTED_LOCATION$<$>:_> \${CMAKE_CURRENT_LIST_DIR}/${tgt_path}) +${POLLY_EXPORTS}") + endif() +endforeach(tgt) + +configure_file( + ${CMAKE_CURRENT_SOURCE_DIR}/PollyConfig.cmake.in + ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/PollyConfig.cmake + @ONLY) +file(GENERATE OUTPUT + ${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${POLLY_EXPORTS_FILE_NAME} + CONTENT "${POLLY_EXPORTS}") + +if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) + install( + FILES + "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/PollyConfig.cmake" + "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${POLLY_EXPORTS_FILE_NAME}" + DESTINATION "${POLLY_INSTALL_PACKAGE_DIR}") +endif () diff --git a/cmake/FindISL.cmake b/cmake/FindISL.cmake new file mode 100644 index 00000000..613e86da --- /dev/null +++ b/cmake/FindISL.cmake @@ -0,0 +1,24 @@ +find_package(PkgConfig REQUIRED) +pkg_search_module(ISL isl) +if (NOT ISL_FOUND EQUAL 1) + message(FATAL_ERROR "No libisl found on this system. Consider setting PKG_CONFIG_PATH.") +endif() + +add_library(ISL INTERFACE IMPORTED) +foreach (incl IN LISTS ISL_INCLUDE_DIRS) + set_property(TARGET ISL APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${incl}) +endforeach() + +foreach (libname IN LISTS ISL_LIBRARIES) + if (ISL_LIBRARY_DIRS) + foreach (dir IN LISTS ISL_LIBRARY_DIRS) + list(APPEND hints ${dir}) + endforeach() + endif() + find_library(lib NAMES ${libname} HINTS ${hints} NO_DEFAULT_PATH) + set_property(TARGET ISL APPEND PROPERTY INTERFACE_LINK_LIBRARIES ${lib}) +endforeach() + +foreach (opt IN LISTS ISL_CFLAGS ISL_CFLAGS_OTHER) + set_property(TARGET ISL APPEND PROPERTY INTERFACE_COMPILE_OPTIONS ${opt}) +endforeach() diff --git a/cmake/FindJsoncpp.cmake b/cmake/FindJsoncpp.cmake new file mode 100644 index 00000000..cee44d10 --- /dev/null +++ b/cmake/FindJsoncpp.cmake @@ -0,0 +1,57 @@ +find_package(PkgConfig QUIET) +if (PkgConfig_FOUND) + pkg_search_module(JSONCPP jsoncpp QUIET) + + # Get the libraries full paths, to be consistent with find_library(). + set(fulllibs) + foreach (libname IN LISTS JSONCPP_LIBRARIES) + find_library(jsoncpp_lib${libname} NAMES ${libname} + HINTS ${JSONCPP_LIBDIR} ${JSONCPP_LIBRARY_DIRS} + ) + if (jsoncpp_lib${libname}) + list(APPEND fulllibs ${jsoncpp_lib${libname}}) + else () + list(APPEND fulllibs ${libname}) + endif () + endforeach () + set(JSONCPP_LIBRARIES ${fulllibs}) + + set(JSONCPP_DEFINITIONS ${JSONCPP_CFLAGS}) +else () + set(JSONCPP_DEFINITIONS) + + find_path(JSONCPP_INCLUDE_DIR json/json.h + PATHS ENV JSONCPP_INCLUDE ENV JSONCPP_DIR + PATH_SUFFIXES jsoncpp + NO_DEFAULT_PATH + ) + find_path(JSONCPP_INCLUDE_DIR json/json.h + PATH_SUFFIXES jsoncpp + ) + mark_as_advanced(JSONCPP_INCLUDE_DIR) + set(JSONCPP_INCLUDE_DIRS "${JSONCPP_INCLUDE_DIR}") + + find_library(JSONCPP_LIBRARY NAMES jsoncpp + HINTS ENV JSONCPP_LIB ENV JSONCPP_DIR + NO_DEFAULT_PATH + ) + find_library(JSONCPP_LIBRARY NAMES jsoncpp) + mark_as_advanced(JSONCPP_LIBRARY) + set(JSON_LIBRARIES ${JSON_LIBRARY}) +endif () + +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(Jsoncpp DEFAULT_MSG JSONCPP_INCLUDE_DIRS JSONCPP_LIBRARIES JSONCPP_DEFINITIONS) + +if (Jsoncpp_FOUND) + add_library(jsoncpp INTERFACE IMPORTED) + foreach (incl IN LISTS JSONCPP_INCLUDE_DIRS) + set_property(TARGET jsoncpp APPEND PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${incl}) + endforeach () + foreach (libname IN LISTS JSONCPP_LIBRARIES) + set_property(TARGET jsoncpp APPEND PROPERTY INTERFACE_LINK_LIBRARIES ${libname}) + endforeach () + foreach (opt IN LISTS JSONCPP_DEFINITIONS) + set_property(TARGET jsoncpp APPEND PROPERTY INTERFACE_COMPILE_OPTIONS ${opt}) + endforeach () +endif () diff --git a/cmake/PollyConfig.cmake.in b/cmake/PollyConfig.cmake.in new file mode 100644 index 00000000..1329071d --- /dev/null +++ b/cmake/PollyConfig.cmake.in @@ -0,0 +1,43 @@ +# This file allows users to call find_package(Polly) and pick up our targets. + +find_package(LLVM REQUIRED CONFIG + HINTS "@POLLY_CONFIG_LLVM_CMAKE_DIR@") + +set(Polly_CMAKE_DIR ${CMAKE_CURRENT_LIST_DIR}) +set(Polly_BUNDLED_ISL @POLLY_BUNDLED_ISL@) +set(Polly_BUNDLED_JSONCPP @POLLY_BUNDLED_JSONCPP@) +set(Polly_ENABLE_GPGPU_CODEGEN @POLLY_ENABLE_GPGPU_CODEGEN@) + +set(Polly_DEFINITIONS ${LLVM_DEFINITIONS}) +set(Polly_INCLUDE_DIRS @POLLY_CONFIG_INCLUDE_DIRS@ ${LLVM_INCLUDE_DIRS}) +set(Polly_LIBRARY_DIRS @POLLY_CONFIG_LIBRARY_DIRS@) +set(Polly_EXPORTED_TARGETS @POLLY_CONFIG_EXPORTED_TARGETS@) +set(Polly_LIBRARIES ${LLVM_LIBRARIES} ${Polly_EXPORTED_TARGETS}) + +# Imported Targets: +@ISL_CONFIG_CODE@ + +if (Polly_ENABLE_GPGPU_CODEGEN AND NOT TARGET PollyPPCG) + add_library(PollyPPCG @POLLY_CONFIG_TARGET_PollyPPCG_TYPE@ IMPORTED) + set_property(TARGET PollyPPCG PROPERTY INTERFACE_LINK_LIBRARIES @ISL_TARGET@) +endif() + +if (NOT TARGET Polly) + add_library(Polly @POLLY_CONFIG_TARGET_Polly_TYPE@ IMPORTED) + set_property(TARGET Polly PROPERTY INTERFACE_LINK_LIBRARIES @ISL_TARGET@) + if (Polly_ENABLE_GPGPU_CODEGEN) + set_property(TARGET Polly APPEND PROPERTY INTERFACE_LINK_LIBRARIES PollyPPCG) + endif() + set_property(TARGET Polly APPEND PROPERTY INTERFACE_LINK_LIBRARIES @JSONCPP_LIBRARIES@) +endif() + +if (NOT TARGET LLVMPolly) + add_library(LLVMPolly @POLLY_CONFIG_TARGET_LLVMPolly_TYPE@ IMPORTED) + set_property(TARGET LLVMPolly PROPERTY INTERFACE_LINK_LIBRARIES Polly) +endif() + +# Exported locations: +file(GLOB CONFIG_FILES "${Polly_CMAKE_DIR}/PollyExports-*.cmake") +foreach(f ${CONFIG_FILES}) + include(${f}) +endforeach() diff --git a/cmake/polly_macros.cmake b/cmake/polly_macros.cmake new file mode 100644 index 00000000..32bed50b --- /dev/null +++ b/cmake/polly_macros.cmake @@ -0,0 +1,88 @@ + +include(CMakeParseArguments) + +macro(add_polly_library name) + cmake_parse_arguments(ARG "" "" "" ${ARGN}) + set(srcs ${ARG_UNPARSED_ARGUMENTS}) + if(MSVC_IDE OR XCODE) + file( GLOB_RECURSE headers *.h *.td *.def) + set(srcs ${srcs} ${headers}) + string( REGEX MATCHALL "/[^/]+" split_path ${CMAKE_CURRENT_SOURCE_DIR}) + list( GET split_path -1 dir) + file( GLOB_RECURSE headers + ../../include/polly${dir}/*.h) + set(srcs ${srcs} ${headers}) + endif(MSVC_IDE OR XCODE) + if (MODULE) + set(libkind MODULE) + elseif (SHARED_LIBRARY) + set(libkind SHARED) + else() + set(libkind) + endif() + add_library( ${name} ${libkind} ${srcs} ) + set_target_properties(${name} PROPERTIES FOLDER "Polly") + + if( LLVM_COMMON_DEPENDS ) + add_dependencies( ${name} ${LLVM_COMMON_DEPENDS} ) + endif( LLVM_COMMON_DEPENDS ) + if( LLVM_USED_LIBS ) + foreach(lib ${LLVM_USED_LIBS}) + target_link_libraries( ${name} ${lib} ) + endforeach(lib) + endif( LLVM_USED_LIBS ) + + if(POLLY_LINK_LIBS) + foreach(lib ${POLLY_LINK_LIBS}) + target_link_libraries(${name} ${lib}) + endforeach(lib) + endif(POLLY_LINK_LIBS) + + if( LLVM_LINK_COMPONENTS ) + llvm_config(${name} ${LLVM_LINK_COMPONENTS}) + endif( LLVM_LINK_COMPONENTS ) + if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY OR ${name} STREQUAL "LLVMPolly") + install(TARGETS ${name} + EXPORT LLVMExports + LIBRARY DESTINATION lib${LLVM_LIBDIR_SUFFIX} + ARCHIVE DESTINATION lib${LLVM_LIBDIR_SUFFIX}) + endif() + set_property(GLOBAL APPEND PROPERTY LLVM_EXPORTS ${name}) +endmacro(add_polly_library) + +macro(add_polly_loadable_module name) + set(srcs ${ARGN}) + # klduge: pass different values for MODULE with multiple targets in same dir + # this allows building shared-lib and module in same dir + # there must be a cleaner way to achieve this.... + if (MODULE) + else() + set(GLOBAL_NOT_MODULE TRUE) + endif() + set(MODULE TRUE) + add_polly_library(${name} ${srcs}) + set_target_properties(${name} PROPERTIES FOLDER "Polly") + if (GLOBAL_NOT_MODULE) + unset (MODULE) + endif() + if (APPLE) + # Darwin-specific linker flags for loadable modules. + set_target_properties(${name} PROPERTIES + LINK_FLAGS "-Wl,-flat_namespace -Wl,-undefined -Wl,suppress") + endif() +endmacro(add_polly_loadable_module) + +# Use C99-compatible compile mode for all C source files of a target. +function(target_enable_c99 _target) + if(CMAKE_VERSION VERSION_GREATER "3.1") + set_target_properties("${_target}" PROPERTIES C_STANDARD 99) + elseif(CMAKE_COMPILER_IS_GNUCC) + get_target_property(_sources "${_target}" SOURCES) + foreach(_file IN LISTS _sources) + get_source_file_property(_lang "${_file}" LANGUAGE) + if(_lang STREQUAL "C") + set_source_files_properties(${_file} COMPILE_FLAGS "-std=gnu99") + endif() + endforeach() + endif() +endfunction() diff --git a/docs/Architecture.rst b/docs/Architecture.rst new file mode 100644 index 00000000..f2ae2b10 --- /dev/null +++ b/docs/Architecture.rst @@ -0,0 +1,93 @@ +================ +The Architecture +================ + +Polly is a loop optimizer for LLVM. Starting from LLVM-IR it detects and +extracts interesting loop kernels. For each kernel a mathematical model is +derived which precisely describes the individual computations and memory +accesses in the kernels. Within Polly a variety of analysis and code +transformations are performed on this mathematical model. After all +optimizations have been derived and applied, optimized LLVM-IR is regenerated +and inserted into the LLVM-IR module. + +.. image:: images/architecture.png + :align: center + +Polly in the LLVM pass pipeline +------------------------------- + +The standard LLVM pass pipeline as it is used in -O1/-O2/-O3 mode of clang/opt +consists of a sequence of passes that can be grouped in different conceptual +phases. The first phase, we call it here **Canonicalization**, is a scalar +canonicalization phase that contains passes like -mem2reg, -instcombine, +-cfgsimplify, or early loop unrolling. It has the goal of removing and +simplifying the given IR as much as possible focusing mostly on scalar +optimizations. The second phase consists of three conceptual groups that are +executed in the so-called **Inliner cycle**, This is again a set of **Scalar +Simplification** passes, a set of **Simple Loop Optimizations**, and the +**Inliner** itself. Even though these passes make up the majority of the LLVM +pass pipeline, the primary goal of these passes is still canonicalization +without loosing semantic information that complicates later analysis. As part of +the inliner cycle, the LLVM inliner step-by-step tries to inline functions, runs +canonicalization passes to exploit newly exposed simplification opportunities, +and then tries to inline the further simplified functions. Some simple loop +optimizations are executed as part of the inliner cycle. Even though they +perform some optimizations, their primary goal is still the simplification of +the program code. Loop invariant code motion is one such optimization that +besides being beneficial for program performance also allows us to move +computation out of loops and in the best case enables us to eliminate certain +loops completely. Only after the inliner cycle has been finished, a last +**Target Specialization** phase is run, where IR complexity is deliberately +increased to take advantage of target specific features that maximize the +execution performance on the device we target. One of the principal +optimizations in this phase is vectorization, but also target specific loop +unrolling, or some loop transformations (e.g., distribution) that expose more +vectorization opportunities. + +.. image:: images/LLVM-Passes-only.png + :align: center + +Polly can conceptually be run at three different positions in the pass pipeline. +As an early optimizer before the standard LLVM pass pipeline, as a later +optimizer as part of the target specialization sequence, and theoretically also +with the loop optimizations in the inliner cycle. We only discuss the first two +options, as running Polly in the inline loop, is likely to disturb the inliner +and is consequently not a good idea. + +.. image:: images/LLVM-Passes-all.png + :align: center + +Running Polly early before the standard pass pipeline has the benefit that the +LLVM-IR processed by Polly is still very close to the original input code. +Hence, it is less likely that transformations applied by LLVM change the IR in +ways not easily understandable for the programmer. As a result, user feedback is +likely better and it is less likely that kernels that in C seem a perfect fit +for Polly have been transformed such that Polly can not handle them any +more. On the other hand, codes that require inlining to be optimized won't +benefit if Polly is scheduled at this position. The additional set of +canonicalization passes required will result in a small, but general compile +time increase and some random run-time performance changes due to slightly +different IR being passed through the optimizers. To force Polly to run early in +the pass pipleline use the option *-polly-position=early* (default today). + +.. image:: images/LLVM-Passes-early.png + :align: center + +Running Polly right before the vectorizer has the benefit that the full inlining +cycle has been run and as a result even heavily templated C++ code could +theoretically benefit from Polly (more work is necessary to make Polly here +really effective). As the IR that is passed to Polly has already been +canonicalized, there is also no need to run additional canonicalization passes. +General compile time is almost not affected by Polly, as detection of loop +kernels is generally very fast and the actual optimization and cleanup passes +are only run on functions which contain loop kernels that are worth optimizing. +However, due to the many optimizations that LLVM runs before Polly the IR that +reaches Polly often has additional scalar dependences that make Polly a lot less +efficient. To force Polly to run before the vectorizer in the pass pipleline use +the option *-polly-position=before-vectorizer*. This position is not yet the +default for Polly, but work is on its way to be effective even in presence of +scalar dependences. After this work has been completed, Polly will likely use +this position by default. + +.. image:: images/LLVM-Passes-late.png + :align: center diff --git a/docs/CMakeLists.txt b/docs/CMakeLists.txt new file mode 100644 index 00000000..a1ef5ce5 --- /dev/null +++ b/docs/CMakeLists.txt @@ -0,0 +1,103 @@ +if (DOXYGEN_FOUND) +if (LLVM_ENABLE_DOXYGEN) + set(abs_srcdir ${CMAKE_CURRENT_SOURCE_DIR}) + set(abs_builddir ${CMAKE_CURRENT_BINARY_DIR}) + + if (HAVE_DOT) + set(DOT ${LLVM_PATH_DOT}) + endif() + + if (LLVM_DOXYGEN_EXTERNAL_SEARCH) + set(enable_searchengine "YES") + set(searchengine_url "${LLVM_DOXYGEN_SEARCHENGINE_URL}") + set(enable_server_based_search "YES") + set(enable_external_search "YES") + set(extra_search_mappings "${LLVM_DOXYGEN_SEARCH_MAPPINGS}") + else() + set(enable_searchengine "NO") + set(searchengine_url "") + set(enable_server_based_search "NO") + set(enable_external_search "NO") + set(extra_search_mappings "") + endif() + + # If asked, configure doxygen for the creation of a Qt Compressed Help file. + if (LLVM_ENABLE_DOXYGEN_QT_HELP) + set(POLLY_DOXYGEN_QCH_FILENAME "org.llvm.polly.qch" CACHE STRING + "Filename of the Qt Compressed help file") + set(POLLY_DOXYGEN_QHP_NAMESPACE "org.llvm.polly" CACHE STRING + "Namespace under which the intermediate Qt Help Project file lives") + set(POLLY_DOXYGEN_QHP_CUST_FILTER_NAME "Clang ${POLLY_VERSION}" CACHE STRING + "See http://qt-project.org/doc/qt-4.8/qthelpproject.html#custom-filters") + set(POLLY_DOXYGEN_QHP_CUST_FILTER_ATTRS "Clang,${POLLY_VERSION}" CACHE STRING + "See http://qt-project.org/doc/qt-4.8/qthelpproject.html#filter-attributes") + set(polly_doxygen_generate_qhp "YES") + set(polly_doxygen_qch_filename "${POLLY_DOXYGEN_QCH_FILENAME}") + set(polly_doxygen_qhp_namespace "${POLLY_DOXYGEN_QHP_NAMESPACE}") + set(polly_doxygen_qhelpgenerator_path "${LLVM_DOXYGEN_QHELPGENERATOR_PATH}") + set(polly_doxygen_qhp_cust_filter_name "${POLLY_DOXYGEN_QHP_CUST_FILTER_NAME}") + set(polly_doxygen_qhp_cust_filter_attrs "${POLLY_DOXYGEN_QHP_CUST_FILTER_ATTRS}") + else() + set(polly_doxygen_generate_qhp "NO") + set(polly_doxygen_qch_filename "") + set(polly_doxygen_qhp_namespace "") + set(polly_doxygen_qhelpgenerator_path "") + set(polly_doxygen_qhp_cust_filter_name "") + set(polly_doxygen_qhp_cust_filter_attrs "") + endif() + + option(LLVM_DOXYGEN_SVG + "Use svg instead of png files for doxygen graphs." OFF) + if (LLVM_DOXYGEN_SVG) + set(DOT_IMAGE_FORMAT "svg") + else() + set(DOT_IMAGE_FORMAT "png") + endif() + + configure_file(${CMAKE_CURRENT_SOURCE_DIR}/doxygen.cfg.in + ${CMAKE_CURRENT_BINARY_DIR}/doxygen.cfg @ONLY) + + set(abs_top_srcdir) + set(abs_top_builddir) + set(DOT) + set(enable_searchengine) + set(searchengine_url) + set(enable_server_based_search) + set(enable_external_search) + set(extra_search_mappings) + set(polly_doxygen_generate_qhp) + set(polly_doxygen_qch_filename) + set(polly_doxygen_qhp_namespace) + set(polly_doxygen_qhelpgenerator_path) + set(polly_doxygen_qhp_cust_filter_name) + set(polly_doxygen_qhp_cust_filter_attrs) + set(DOT_IMAGE_FORMAT) + + add_custom_target(doxygen-polly + COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/doxygen.cfg + WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} + COMMENT "Generating polly doxygen documentation." VERBATIM) + + if (LLVM_BUILD_DOCS) + add_dependencies(doxygen doxygen-polly) + endif() + + if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY) + install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/doxygen/html + DESTINATION docs/html) + endif() +endif() +endif() + +if (LLVM_ENABLE_SPHINX) + include(AddSphinxTarget) + if (SPHINX_FOUND) + if (${SPHINX_OUTPUT_HTML}) + add_sphinx_target(html polly) + endif() + if (${SPHINX_OUTPUT_MAN}) + add_sphinx_target(man polly) + endif() + endif() +endif() + diff --git a/docs/HowToManuallyUseTheIndividualPiecesOfPolly.rst b/docs/HowToManuallyUseTheIndividualPiecesOfPolly.rst new file mode 100644 index 00000000..1822923c --- /dev/null +++ b/docs/HowToManuallyUseTheIndividualPiecesOfPolly.rst @@ -0,0 +1,475 @@ +================================================== +How to manually use the Individual pieces of Polly +================================================== + +Execute the individual Polly passes manually +============================================ + +.. sectionauthor:: Singapuram Sanjay Srivallabh + +This example presents the individual passes that are involved when optimizing +code with Polly. We show how to execute them individually and explain for +each which analysis is performed or what transformation is applied. In this +example the polyhedral transformation is user-provided to show how much +performance improvement can be expected by an optimal automatic optimizer. + +1. **Create LLVM-IR from the C code** +------------------------------------- + Polly works on LLVM-IR. Hence it is necessary to translate the source + files into LLVM-IR. If more than one file should be optimized the + files can be combined into a single file with llvm-link. + + .. code-block:: console + + clang -S -emit-llvm matmul.c -o matmul.s + + +2. **Prepare the LLVM-IR for Polly** +------------------------------------ + + Polly is only able to work with code that matches a canonical form. + To translate the LLVM-IR into this form we use a set of + canonicalication passes. They are scheduled by using + '-polly-canonicalize'. + + .. code-block:: console + + opt -S -polly-canonicalize matmul.s > matmul.preopt.ll + +3. **Show the SCoPs detected by Polly (optional)** +-------------------------------------------------- + + To understand if Polly was able to detect SCoPs, we print the structure + of the detected SCoPs. In our example two SCoPs are detected. One in + 'init_array' the other in 'main'. + + .. code-block:: console + + $ opt -polly-ast -analyze -q matmul.preopt.ll -polly-process-unprofitable + + .. code-block:: guess + + :: isl ast :: init_array :: %for.cond1.preheader---%for.end19 + + if (1) + + for (int c0 = 0; c0 <= 1535; c0 += 1) + for (int c1 = 0; c1 <= 1535; c1 += 1) + Stmt_for_body3(c0, c1); + + else + { /* original code */ } + + :: isl ast :: main :: %for.cond1.preheader---%for.end30 + + if (1) + + for (int c0 = 0; c0 <= 1535; c0 += 1) + for (int c1 = 0; c1 <= 1535; c1 += 1) { + Stmt_for_body3(c0, c1); + for (int c2 = 0; c2 <= 1535; c2 += 1) + Stmt_for_body8(c0, c1, c2); + } + + else + { /* original code */ } + +4. **Highlight the detected SCoPs in the CFGs of the program (requires graphviz/dotty)** +---------------------------------------------------------------------------------------- + + Polly can use graphviz to graphically show a CFG in which the detected + SCoPs are highlighted. It can also create '.dot' files that can be + translated by the 'dot' utility into various graphic formats. + + + .. code-block:: console + + $ opt -view-scops -disable-output matmul.preopt.ll + $ opt -view-scops-only -disable-output matmul.preopt.ll + + The output for the different functions: + + - view-scops : main_, init_array_, print_array_ + - view-scops-only : main-scopsonly_, init_array-scopsonly_, print_array-scopsonly_ + +.. _main: http://polly.llvm.org/experiments/matmul/scops.main.dot.png +.. _init_array: http://polly.llvm.org/experiments/matmul/scops.init_array.dot.png +.. _print_array: http://polly.llvm.org/experiments/matmul/scops.print_array.dot.png +.. _main-scopsonly: http://polly.llvm.org/experiments/matmul/scopsonly.main.dot.png +.. _init_array-scopsonly: http://polly.llvm.org/experiments/matmul/scopsonly.init_array.dot.png +.. _print_array-scopsonly: http://polly.llvm.org/experiments/matmul/scopsonly.print_array.dot.png + +5. **View the polyhedral representation of the SCoPs** +------------------------------------------------------ + + .. code-block:: console + + $ opt -polly-scops -analyze matmul.preopt.ll -polly-process-unprofitable + + .. code-block:: guess + + [...]Printing analysis 'Polly - Create polyhedral description of Scops' for region: 'for.cond1.preheader => for.end19' in function 'init_array': + Function: init_array + Region: %for.cond1.preheader---%for.end19 + Max Loop Depth: 2 + Invariant Accesses: { + } + Context: + { : } + Assumed Context: + { : } + Invalid Context: + { : 1 = 0 } + Arrays { + float MemRef_A[*][1536]; // Element size 4 + float MemRef_B[*][1536]; // Element size 4 + } + Arrays (Bounds as pw_affs) { + float MemRef_A[*][ { [] -> [(1536)] } ]; // Element size 4 + float MemRef_B[*][ { [] -> [(1536)] } ]; // Element size 4 + } + Alias Groups (0): + n/a + Statements { + Stmt_for_body3 + Domain := + { Stmt_for_body3[i0, i1] : 0 <= i0 <= 1535 and 0 <= i1 <= 1535 }; + Schedule := + { Stmt_for_body3[i0, i1] -> [i0, i1] }; + MustWriteAccess := [Reduction Type: NONE] [Scalar: 0] + { Stmt_for_body3[i0, i1] -> MemRef_A[i0, i1] }; + MustWriteAccess := [Reduction Type: NONE] [Scalar: 0] + { Stmt_for_body3[i0, i1] -> MemRef_B[i0, i1] }; + } + [...]Printing analysis 'Polly - Create polyhedral description of Scops' for region: 'for.cond1.preheader => for.end30' in function 'main': + Function: main + Region: %for.cond1.preheader---%for.end30 + Max Loop Depth: 3 + Invariant Accesses: { + } + Context: + { : } + Assumed Context: + { : } + Invalid Context: + { : 1 = 0 } + Arrays { + float MemRef_C[*][1536]; // Element size 4 + float MemRef_A[*][1536]; // Element size 4 + float MemRef_B[*][1536]; // Element size 4 + } + Arrays (Bounds as pw_affs) { + float MemRef_C[*][ { [] -> [(1536)] } ]; // Element size 4 + float MemRef_A[*][ { [] -> [(1536)] } ]; // Element size 4 + float MemRef_B[*][ { [] -> [(1536)] } ]; // Element size 4 + } + Alias Groups (0): + n/a + Statements { + Stmt_for_body3 + Domain := + { Stmt_for_body3[i0, i1] : 0 <= i0 <= 1535 and 0 <= i1 <= 1535 }; + Schedule := + { Stmt_for_body3[i0, i1] -> [i0, i1, 0, 0] }; + MustWriteAccess := [Reduction Type: NONE] [Scalar: 0] + { Stmt_for_body3[i0, i1] -> MemRef_C[i0, i1] }; + Stmt_for_body8 + Domain := + { Stmt_for_body8[i0, i1, i2] : 0 <= i0 <= 1535 and 0 <= i1 <= 1535 and 0 <= i2 <= 1535 }; + Schedule := + { Stmt_for_body8[i0, i1, i2] -> [i0, i1, 1, i2] }; + ReadAccess := [Reduction Type: NONE] [Scalar: 0] + { Stmt_for_body8[i0, i1, i2] -> MemRef_C[i0, i1] }; + ReadAccess := [Reduction Type: NONE] [Scalar: 0] + { Stmt_for_body8[i0, i1, i2] -> MemRef_A[i0, i2] }; + ReadAccess := [Reduction Type: NONE] [Scalar: 0] + { Stmt_for_body8[i0, i1, i2] -> MemRef_B[i2, i1] }; + MustWriteAccess := [Reduction Type: NONE] [Scalar: 0] + { Stmt_for_body8[i0, i1, i2] -> MemRef_C[i0, i1] }; + } + + +6. **Show the dependences for the SCoPs** +----------------------------------------- + + .. code-block:: console + + $ opt -polly-dependences -analyze matmul.preopt.ll -polly-process-unprofitable + + .. code-block:: guess + + [...]Printing analysis 'Polly - Calculate dependences' for region: 'for.cond1.preheader => for.end19' in function 'init_array': + RAW dependences: + { } + WAR dependences: + { } + WAW dependences: + { } + Reduction dependences: + n/a + Transitive closure of reduction dependences: + { } + [...]Printing analysis 'Polly - Calculate dependences' for region: 'for.cond1.preheader => for.end30' in function 'main': + RAW dependences: + { Stmt_for_body3[i0, i1] -> Stmt_for_body8[i0, i1, 0] : 0 <= i0 <= 1535 and 0 <= i1 <= 1535; Stmt_for_body8[i0, i1, i2] -> Stmt_for_body8[i0, i1, 1 + i2] : 0 <= i0 <= 1535 and 0 <= i1 <= 1535 and 0 <= i2 <= 1534 } + WAR dependences: + { } + WAW dependences: + { Stmt_for_body3[i0, i1] -> Stmt_for_body8[i0, i1, 0] : 0 <= i0 <= 1535 and 0 <= i1 <= 1535; Stmt_for_body8[i0, i1, i2] -> Stmt_for_body8[i0, i1, 1 + i2] : 0 <= i0 <= 1535 and 0 <= i1 <= 1535 and 0 <= i2 <= 1534 } + Reduction dependences: + n/a + Transitive closure of reduction dependences: + { } + +7. **Export jscop files** +------------------------- + + .. code-block:: console + + $ opt -polly-export-jscop matmul.preopt.ll -polly-process-unprofitable + + .. code-block:: guess + + [...]Writing JScop '%for.cond1.preheader---%for.end19' in function 'init_array' to './init_array___%for.cond1.preheader---%for.end19.jscop'. + + Writing JScop '%for.cond1.preheader---%for.end30' in function 'main' to './main___%for.cond1.preheader---%for.end30.jscop'. + + + +8. **Import the changed jscop files and print the updated SCoP structure (optional)** +------------------------------------------------------------------------------------- + + Polly can reimport jscop files, in which the schedules of the statements + are changed. These changed schedules are used to descripe + transformations. It is possible to import different jscop files by + providing the postfix of the jscop file that is imported. + + We apply three different transformations on the SCoP in the main + function. The jscop files describing these transformations are + hand written (and available in docs/experiments/matmul). + + **No Polly** + + As a baseline we do not call any Polly code generation, but only apply the normal -O3 optimizations. + + .. code-block:: console + + $ opt matmul.preopt.ll -polly-import-jscop -polly-ast -analyze -polly-process-unprofitable + + .. code-block:: c + + [...] + :: isl ast :: main :: %for.cond1.preheader---%for.end30 + + if (1) + + for (int c0 = 0; c0 <= 1535; c0 += 1) + for (int c1 = 0; c1 <= 1535; c1 += 1) { + Stmt_for_body3(c0, c1); + for (int c3 = 0; c3 <= 1535; c3 += 1) + Stmt_for_body8(c0, c1, c3); + } + + else + { /* original code */ } + [...] + + **Loop Interchange (and Fission to allow the interchange)** + + We split the loops and can now apply an interchange of the loop dimensions that enumerate Stmt_for_body8. + + .. Although I feel (and have created a .jscop) we can avoid splitting the loops. + + .. code-block:: console + + $ opt matmul.preopt.ll -polly-import-jscop -polly-import-jscop-postfix=interchanged -polly-ast -analyze -polly-process-unprofitable + + .. code-block:: c + + [...] + :: isl ast :: main :: %for.cond1.preheader---%for.end30 + + if (1) + + { + for (int c1 = 0; c1 <= 1535; c1 += 1) + for (int c2 = 0; c2 <= 1535; c2 += 1) + Stmt_for_body3(c1, c2); + for (int c1 = 0; c1 <= 1535; c1 += 1) + for (int c2 = 0; c2 <= 1535; c2 += 1) + for (int c3 = 0; c3 <= 1535; c3 += 1) + Stmt_for_body8(c1, c3, c2); + } + + else + { /* original code */ } + [...] + + **Interchange + Tiling** + + In addition to the interchange we now tile the second loop nest. + + .. code-block:: console + + $ opt matmul.preopt.ll -polly-import-jscop -polly-import-jscop-postfix=interchanged+tiled -polly-ast -analyze -polly-process-unprofitable + + .. code-block:: c + + [...] + :: isl ast :: main :: %for.cond1.preheader---%for.end30 + + if (1) + + { + for (int c1 = 0; c1 <= 1535; c1 += 1) + for (int c2 = 0; c2 <= 1535; c2 += 1) + Stmt_for_body3(c1, c2); + for (int c1 = 0; c1 <= 1535; c1 += 64) + for (int c2 = 0; c2 <= 1535; c2 += 64) + for (int c3 = 0; c3 <= 1535; c3 += 64) + for (int c4 = c1; c4 <= c1 + 63; c4 += 1) + for (int c5 = c3; c5 <= c3 + 63; c5 += 1) + for (int c6 = c2; c6 <= c2 + 63; c6 += 1) + Stmt_for_body8(c4, c6, c5); + } + + else + { /* original code */ } + [...] + + + **Interchange + Tiling + Strip-mining to prepare vectorization** + + To later allow vectorization we create a so called trivially + parallelizable loop. It is innermost, parallel and has only four + iterations. It can be replaced by 4-element SIMD instructions. + + .. code-block:: console + + $ opt matmul.preopt.ll -polly-import-jscop -polly-import-jscop-postfix=interchanged+tiled -polly-ast -analyze -polly-process-unprofitable + + .. code-block:: c + + [...] + :: isl ast :: main :: %for.cond1.preheader---%for.end30 + + if (1) + + { + for (int c1 = 0; c1 <= 1535; c1 += 1) + for (int c2 = 0; c2 <= 1535; c2 += 1) + Stmt_for_body3(c1, c2); + for (int c1 = 0; c1 <= 1535; c1 += 64) + for (int c2 = 0; c2 <= 1535; c2 += 64) + for (int c3 = 0; c3 <= 1535; c3 += 64) + for (int c4 = c1; c4 <= c1 + 63; c4 += 1) + for (int c5 = c3; c5 <= c3 + 63; c5 += 1) + for (int c6 = c2; c6 <= c2 + 63; c6 += 4) + for (int c7 = c6; c7 <= c6 + 3; c7 += 1) + Stmt_for_body8(c4, c7, c5); + } + + else + { /* original code */ } + [...] + +9. **Codegenerate the SCoPs** +----------------------------- + + This generates new code for the SCoPs detected by polly. If + -polly-import-jscop is present, transformations specified in the + imported jscop files will be applied. + + + .. code-block:: console + + $ opt matmul.preopt.ll | opt -O3 > matmul.normalopt.ll + + .. code-block:: console + + $ opt matmul.preopt.ll -polly-import-jscop -polly-import-jscop-postfix=interchanged -polly-codegen -polly-process-unprofitable | opt -O3 > matmul.polly.interchanged.ll + + .. code-block:: guess + + Reading JScop '%for.cond1.preheader---%for.end19' in function 'init_array' from './init_array___%for.cond1.preheader---%for.end19.jscop.interchanged'. + File could not be read: No such file or directory + Reading JScop '%for.cond1.preheader---%for.end30' in function 'main' from './main___%for.cond1.preheader---%for.end30.jscop.interchanged'. + + .. code-block:: console + + $ opt matmul.preopt.ll -polly-import-jscop -polly-import-jscop-postfix=interchanged+tiled -polly-codegen -polly-process-unprofitable | opt -O3 > matmul.polly.interchanged+tiled.ll + + .. code-block:: guess + + Reading JScop '%for.cond1.preheader---%for.end19' in function 'init_array' from './init_array___%for.cond1.preheader---%for.end19.jscop.interchanged+tiled'. + File could not be read: No such file or directory + Reading JScop '%for.cond1.preheader---%for.end30' in function 'main' from './main___%for.cond1.preheader---%for.end30.jscop.interchanged+tiled'. + + .. code-block:: console + + $ opt matmul.preopt.ll -polly-import-jscop -polly-import-jscop-postfix=interchanged+tiled+vector -polly-codegen -polly-vectorizer=polly -polly-process-unprofitable | opt -O3 > matmul.polly.interchanged+tiled+vector.ll + + .. code-block:: guess + + Reading JScop '%for.cond1.preheader---%for.end19' in function 'init_array' from './init_array___%for.cond1.preheader---%for.end19.jscop.interchanged+tiled+vector'. + File could not be read: No such file or directory + Reading JScop '%for.cond1.preheader---%for.end30' in function 'main' from './main___%for.cond1.preheader---%for.end30.jscop.interchanged+tiled+vector'. + + .. code-block:: console + + $ opt matmul.preopt.ll -polly-import-jscop -polly-import-jscop-postfix=interchanged+tiled+vector -polly-codegen -polly-vectorizer=polly -polly-parallel -polly-process-unprofitable | opt -O3 > matmul.polly.interchanged+tiled+openmp.ll + + .. code-block:: guess + + Reading JScop '%for.cond1.preheader---%for.end19' in function 'init_array' from './init_array___%for.cond1.preheader---%for.end19.jscop.interchanged+tiled+vector'. + File could not be read: No such file or directory + Reading JScop '%for.cond1.preheader---%for.end30' in function 'main' from './main___%for.cond1.preheader---%for.end30.jscop.interchanged+tiled+vector'. + + +10. **Create the executables** +------------------------------ + + .. code-block:: console + + $ llc matmul.normalopt.ll -o matmul.normalopt.s && gcc matmul.normalopt.s -o matmul.normalopt.exe + $ llc matmul.polly.interchanged.ll -o matmul.polly.interchanged.s && gcc matmul.polly.interchanged.s -o matmul.polly.interchanged.exe + $ llc matmul.polly.interchanged+tiled.ll -o matmul.polly.interchanged+tiled.s && gcc matmul.polly.interchanged+tiled.s -o matmul.polly.interchanged+tiled.exe + $ llc matmul.polly.interchanged+tiled+vector.ll -o matmul.polly.interchanged+tiled+vector.s && gcc matmul.polly.interchanged+tiled+vector.s -o matmul.polly.interchanged+tiled+vector.exe + $ llc matmul.polly.interchanged+tiled+vector+openmp.ll -o matmul.polly.interchanged+tiled+vector+openmp.s && gcc -fopenmp matmul.polly.interchanged+tiled+vector+openmp.s -o matmul.polly.interchanged+tiled+vector+openmp.exe + +11. **Compare the runtime of the executables** +---------------------------------------------- + + By comparing the runtimes of the different code snippets we see that a + simple loop interchange gives here the largest performance boost. + However in this case, adding vectorization and using OpenMP degrades + the performance. + + .. code-block:: console + + $ time ./matmul.normalopt.exe + + real 0m11.295s + user 0m11.288s + sys 0m0.004s + $ time ./matmul.polly.interchanged.exe + + real 0m0.988s + user 0m0.980s + sys 0m0.008s + $ time ./matmul.polly.interchanged+tiled.exe + + real 0m0.830s + user 0m0.816s + sys 0m0.012s + $ time ./matmul.polly.interchanged+tiled+vector.exe + + real 0m5.430s + user 0m5.424s + sys 0m0.004s + $ time ./matmul.polly.interchanged+tiled+vector+openmp.exe + + real 0m3.184s + user 0m11.972s + sys 0m0.036s + diff --git a/docs/Performance.rst b/docs/Performance.rst new file mode 100644 index 00000000..51716e0e --- /dev/null +++ b/docs/Performance.rst @@ -0,0 +1,57 @@ +.. include:: +================================================== +Performance +================================================== + +High-Performance Generalized Matrix Multiplication +-------------------------------------------------- + +Polly automatically detects and optimizes generalized matrix multiplication, +the computation C |larr| α ⊗ C ⊕ β ⊗ A ⊗ B, where A, B, and C are three appropriately sized matrices, +⊕ and ⊗ operations are originating from the corresponding matrix semiring, and α and β are +constants, and beta is not equal to zero. It allows to obtain the highly optimized form structured +similar to the expert implementation of GEMM that can be found in GotoBLAS and its successors. The +performance evaluation of GEMM is shown in the following figure. + + + .. image:: images/GEMM_double.png + :align: center + + + +Compile Time Impact of Polly +---------------------------- + +Clang+LLVM+Polly are compiled using Clang on a Intel(R) Core(TM) i7-7700 based system. The experiment +is repeated twice: with and without Polly enabled in order to measure its compile time impact. + +The following versions are used: + + +- Polly (git hash 0db98a4837b6f233063307bb9184374175401922) +- Clang (git hash 3e1d04a92b51ed36163995c96c31a0e4bbb1561d) +- LLVM git hash 0265ec7ebad69a47f5c899d95295b5eb41aba68e) + +`ninja `_ is used as the build system. + +For both cases the whole compilation was performed five times. The compile times in seconds are shown in the following table. + ++----------------------------+ +| Compile Time | ++--------------+-------------+ +|Polly Disabled|Polly Enabled| ++==============+=============+ +|964 |977 | ++--------------+-------------+ +|964 |980 | ++--------------+-------------+ +|967 |981 | ++--------------+-------------+ +|967 |981 | ++--------------+-------------+ +|968 |982 | ++--------------+-------------+ + + +The median compile time without Polly enabled is 967 seconds and with Polly enabled it is 981 seconds. The overhead is 1.4%. + diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst new file mode 100644 index 00000000..1055e052 --- /dev/null +++ b/docs/ReleaseNotes.rst @@ -0,0 +1,3 @@ +================= +Release Notes 6.0 +================= diff --git a/docs/TipsAndTricks.rst b/docs/TipsAndTricks.rst new file mode 100644 index 00000000..d399da8a --- /dev/null +++ b/docs/TipsAndTricks.rst @@ -0,0 +1,56 @@ +================================================== +Tips and Tricks on using and contributing to Polly +================================================== + +Commiting to polly trunk +------------------------ + - `General reference to git-svn workflow `_ + + +Using bugpoint to track down errors in large files +-------------------------------------------------- + + If you know the ``opt`` invocation and have a large ``.ll`` file that causes + an error, ``bugpoint`` allows one to reduce the size of test cases. + + The general calling pattern is: + + - ``$ bugpoint -opt-args `` + + An example invocation is: + + - ``$ bugpoint crash.ll -polly-codegen -opt-args -polly-canonicalize -polly-process-unprofitable`` + + For more documentation on bugpoint, `Visit the LLVM manual `_ + + +Understanding which pass makes a particular change +-------------------------------------------------- + + If you know that something like `opt -O3 -polly` makes a change, but you wish to + isolate which pass makes a change, the steps are as follows: + + - ``$ bugpoint -O3 file.ll -opt-args -polly`` will allow bugpoint to track down the pass which causes the crash. + + To do this manually: + + - ``$ opt -O3 -polly -debug-pass=Arguments`` to get all passes that are run by default. ``-debug-pass=Arguments`` will list all passes that have run. + - Bisect down to the pass that changes it. + + +Debugging regressions introduced at some unknown earlier point +-------------------------------------------------------------- + +In case of a regression in performance or correctness (e.g., an earlier version +of Polly behaved as expected and a later version does not), bisecting over the +version history is the standard approach to identify the commit that introduced +the regression. + +LLVM has a single repository that contains all projects. It can be cloned at: +``_. How to bisect on a +git repository is explained here +``_. +The bisect process can also be automated as explained here: +``_. +An LLVM specific run script is available here: +``_. diff --git a/docs/UsingPollyWithClang.rst b/docs/UsingPollyWithClang.rst new file mode 100644 index 00000000..ade5b41c --- /dev/null +++ b/docs/UsingPollyWithClang.rst @@ -0,0 +1,132 @@ +====================== +Using Polly with Clang +====================== + +This documentation discusses how Polly can be used in Clang to automatically +optimize C/C++ code during compilation. + + +.. warning:: + + Warning: clang/LLVM/Polly need to be in sync (compiled from the same SVN + revision). + +Make Polly available from Clang +=============================== + +Polly is available through clang, opt, and bugpoint, if Polly was checked out +into tools/polly before compilation. No further configuration is needed. + +Optimizing with Polly +===================== + +Optimizing with Polly is as easy as adding -O3 -mllvm -polly to your compiler +flags (Polly is only available at -O3). + +.. code-block:: console + + clang -O3 -mllvm -polly file.c + +Automatic OpenMP code generation +================================ + +To automatically detect parallel loops and generate OpenMP code for them you +also need to add -mllvm -polly-parallel -lgomp to your CFLAGS. + +.. code-block:: console + + clang -O3 -mllvm -polly -mllvm -polly-parallel -lgomp file.c + +Automatic Vector code generation +================================ + +Automatic vector code generation can be enabled by adding -mllvm +-polly-vectorizer=stripmine to your CFLAGS. + +.. code-block:: console + + clang -O3 -mllvm -polly -mllvm -polly-vectorizer=stripmine file.c + +Extract a preoptimized LLVM-IR file +=================================== + +Often it is useful to derive from a C-file the LLVM-IR code that is actually +optimized by Polly. Normally the LLVM-IR is automatically generated from the C +code by first lowering C to LLVM-IR (clang) and by subsequently applying a set +of preparing transformations on the LLVM-IR. To get the LLVM-IR after the +preparing transformations have been applied run Polly with '-O0'. + +.. code-block:: console + + clang -O0 -mllvm -polly -S -emit-llvm file.c + +Further options +=============== +Polly supports further options that are mainly useful for the development or the +analysis of Polly. The relevant options can be added to clang by appending +-mllvm -option-name to the CFLAGS or the clang command line. + +Limit Polly to a single function +-------------------------------- + +To limit the execution of Polly to a single function, use the option +-polly-only-func=functionname. + +Disable LLVM-IR generation +-------------------------- + +Polly normally regenerates LLVM-IR from the Polyhedral representation. To only +see the effects of the preparing transformation, but to disable Polly code +generation add the option polly-no-codegen. + +Graphical view of the SCoPs +--------------------------- +Polly can use graphviz to show the SCoPs it detects in a program. The relevant +options are -polly-show, -polly-show-only, -polly-dot and -polly-dot-only. The +'show' options automatically run dotty or another graphviz viewer to show the +scops graphically. The 'dot' options store for each function a dot file that +highlights the detected SCoPs. If 'only' is appended at the end of the option, +the basic blocks are shown without the statements the contain. + +Change/Disable the Optimizer +---------------------------- + +Polly uses by default the isl scheduling optimizer. The isl optimizer optimizes +for data-locality and parallelism using the Pluto algorithm. +To disable the optimizer entirely use the option -polly-optimizer=none. + +Disable tiling in the optimizer +------------------------------- + +By default both optimizers perform tiling, if possible. In case this is not +wanted the option -polly-tiling=false can be used to disable it. (This option +disables tiling for both optimizers). + +Import / Export +--------------- + +The flags -polly-import and -polly-export allow the export and reimport of the +polyhedral representation. By exporting, modifying and reimporting the +polyhedral representation externally calculated transformations can be +applied. This enables external optimizers or the manual optimization of +specific SCoPs. + +Viewing Polly Diagnostics with opt-viewer +----------------------------------------- + +The flag -fsave-optimization-record will generate .opt.yaml files when compiling +your program. These yaml files contain information about each emitted remark. +Ensure that you have Python 2.7 with PyYaml and Pygments Python Packages. +To run opt-viewer: + +.. code-block:: console + + llvm/tools/opt-viewer/opt-viewer.py -source-dir /path/to/program/src/ \ + /path/to/program/src/foo.opt.yaml \ + /path/to/program/src/bar.opt.yaml \ + -o ./output + +Include all yaml files (use \*.opt.yaml when specifying which yaml files to view) +to view all diagnostics from your program in opt-viewer. Compile with `PGO +`_ to view +Hotness information in opt-viewer. Resulting html files can be viewed in an internet browser. diff --git a/docs/conf.py b/docs/conf.py new file mode 100644 index 00000000..c4032338 --- /dev/null +++ b/docs/conf.py @@ -0,0 +1,240 @@ +# -*- coding: utf-8 -*- +# +# Polly documentation build configuration file, created by +# sphinx-quickstart on Sun Dec 9 20:01:55 2012. +# +# This file is execfile()d with the current directory set to its containing dir. +# +# Note that not all possible configuration values are present in this +# autogenerated file. +# +# All configuration values have a default; values that are commented out +# serve to show the default. + +import sys, os +from datetime import date + +# If extensions (or modules to document with autodoc) are in another directory, +# add these directories to sys.path here. If the directory is relative to the +# documentation root, use os.path.abspath to make it absolute, like shown here. +#sys.path.insert(0, os.path.abspath('.')) + +# -- General configuration ----------------------------------------------------- + +# If your documentation needs a minimal Sphinx version, state it here. +#needs_sphinx = '1.0' + +# Add any Sphinx extension module names here, as strings. They can be extensions +# coming with Sphinx (named 'sphinx.ext.*') or your custom ones. +extensions = ['sphinx.ext.todo', 'sphinx.ext.mathjax'] + +# Add any paths that contain templates here, relative to this directory. +templates_path = ['_templates'] + +# The suffix of source filenames. +source_suffix = '.rst' + +# The encoding of source files. +#source_encoding = 'utf-8-sig' + +# The master toctree document. +master_doc = 'index' + +# General information about the project. +project = u'Polly' +copyright = u'2010-%d, The Polly Team' % date.today().year + +# The version info for the project you're documenting, acts as replacement for +# |version| and |release|, also used in various other places throughout the +# built documents. +# +# The short X.Y version. +version = '6.0-devel' +# The full version, including alpha/beta/rc tags. +release = '6.0-devel' + +# The language for content autogenerated by Sphinx. Refer to documentation +# for a list of supported languages. +#language = None + +# There are two options for replacing |today|: either, you set today to some +# non-false value, then it is used: +#today = '' +# Else, today_fmt is used as the format for a strftime call. +#today_fmt = '%B %d, %Y' + +# List of patterns, relative to source directory, that match files and +# directories to ignore when looking for source files. +exclude_patterns = ['_build', 'analyzer'] + +# The reST default role (used for this markup: `text`) to use for all documents. +#default_role = None + +# If true, '()' will be appended to :func: etc. cross-reference text. +#add_function_parentheses = True + +# If true, the current module name will be prepended to all description +# unit titles (such as .. function::). +#add_module_names = True + +# If true, sectionauthor and moduleauthor directives will be shown in the +# output. They are ignored by default. +#show_authors = False + +# The name of the Pygments (syntax highlighting) style to use. +pygments_style = 'friendly' + +# A list of ignored prefixes for module index sorting. +#modindex_common_prefix = [] + + +# -- Options for HTML output --------------------------------------------------- + +# The theme to use for HTML and HTML Help pages. See the documentation for +# a list of builtin themes. +try: + import sphinx_rtd_theme + html_theme = "sphinx_rtd_theme" + html_theme_path = [sphinx_rtd_theme.get_html_theme_path()] +except ImportError: + html_theme = 'haiku' + + +# Theme options are theme-specific and customize the look and feel of a theme +# further. For a list of options available for each theme, see the +# documentation. +#html_theme_options = {} + +# Add any paths that contain custom themes here, relative to this directory. +#html_theme_path = [] + +# The name for this set of Sphinx documents. If None, it defaults to +# " v documentation". +#html_title = None + +# A shorter title for the navigation bar. Default is the same as html_title. +#html_short_title = None + +# The name of an image file (relative to this directory) to place at the top +# of the sidebar. +#html_logo = None + +# The name of an image file (within the static path) to use as favicon of the +# docs. This file should be a Windows icon file (.ico) being 16x16 or 32x32 +# pixels large. +#html_favicon = None + +# Add any paths that contain custom static files (such as style sheets) here, +# relative to this directory. They are copied after the builtin static files, +# so a file named "default.css" will overwrite the builtin "default.css". +html_static_path = [] + +# If not '', a 'Last updated on:' timestamp is inserted at every page bottom, +# using the given strftime format. +#html_last_updated_fmt = '%b %d, %Y' + +# If true, SmartyPants will be used to convert quotes and dashes to +# typographically correct entities. +#html_use_smartypants = True + +# Custom sidebar templates, maps document names to template names. +#html_sidebars = {} + +# Additional templates that should be rendered to pages, maps page names to +# template names. +#html_additional_pages = {} + +# If false, no module index is generated. +#html_domain_indices = True + +# If false, no index is generated. +#html_use_index = True + +# If true, the index is split into individual pages for each letter. +#html_split_index = False + +# If true, links to the reST sources are added to the pages. +#html_show_sourcelink = True + +# If true, "Created using Sphinx" is shown in the HTML footer. Default is True. +#html_show_sphinx = True + +# If true, "(C) Copyright ..." is shown in the HTML footer. Default is True. +#html_show_copyright = True + +# If true, an OpenSearch description file will be output, and all pages will +# contain a tag referring to it. The value of this option must be the +# base URL from which the finished HTML is served. +#html_use_opensearch = '' + +# This is the file name suffix for HTML files (e.g. ".xhtml"). +#html_file_suffix = None + +# Output file base name for HTML help builder. +htmlhelp_basename = 'Pollydoc' + + +# -- Options for LaTeX output -------------------------------------------------- + +latex_elements = { +# The paper size ('letterpaper' or 'a4paper'). +#'papersize': 'letterpaper', + +# The font size ('10pt', '11pt' or '12pt'). +#'pointsize': '10pt', + +# Additional stuff for the LaTeX preamble. +#'preamble': '', +} + +# Grouping the document tree into LaTeX files. List of tuples +# (source start file, target name, title, author, documentclass [howto/manual]). +latex_documents = [ + ('index', 'Polly.tex', u'Polly Documentation', + u'The Polly Team', 'manual'), +] + +# The name of an image file (relative to this directory) to place at the top of +# the title page. +#latex_logo = None + +# For "manual" documents, if this is true, then toplevel headings are parts, +# not chapters. +#latex_use_parts = False + +# If true, show page references after internal links. +#latex_show_pagerefs = False + +# If true, show URL addresses after external links. +#latex_show_urls = False + +# Documents to append as an appendix to all manuals. +#latex_appendices = [] + +# If false, no module index is generated. +#latex_domain_indices = True + + +# If true, show URL addresses after external links. +#man_show_urls = False + + +# -- Options for Texinfo output ------------------------------------------------ + +# Grouping the document tree into Texinfo files. List of tuples +# (source start file, target name, title, author, +# dir menu entry, description, category) +texinfo_documents = [ + ('index', 'Polly', u'Polly Documentation', + u'The Polly Team', 'Polly', 'One line description of project.', + 'Miscellaneous'), +] + +# Documents to append as an appendix to all manuals. +#texinfo_appendices = [] + +# If false, no module index is generated. +#texinfo_domain_indices = True + +# How to display URL addresses: 'footnote', 'no', or 'inline'. +#texinfo_show_urls = 'footnote' diff --git a/docs/doxygen.cfg.in b/docs/doxygen.cfg.in new file mode 100644 index 00000000..36786aa5 --- /dev/null +++ b/docs/doxygen.cfg.in @@ -0,0 +1,2306 @@ +# Doxyfile 1.8.6 + +# This file describes the settings to be used by the documentation system +# doxygen (www.doxygen.org) for a project. +# +# All text after a double hash (##) is considered a comment and is placed in +# front of the TAG it is preceding. +# +# All text after a single hash (#) is considered a comment and will be ignored. +# The format is: +# TAG = value [value, ...] +# For lists, items can also be appended using: +# TAG += value [value, ...] +# Values that contain spaces should be placed between quotes (\" \"). + +#--------------------------------------------------------------------------- +# Project related configuration options +#--------------------------------------------------------------------------- + +# This tag specifies the encoding used for all characters in the config file +# that follow. The default is UTF-8 which is also the encoding used for all text +# before the first occurrence of this tag. Doxygen uses libiconv (or the iconv +# built into libc) for the transcoding. See http://www.gnu.org/software/libiconv +# for the list of possible encodings. +# The default value is: UTF-8. + +DOXYFILE_ENCODING = UTF-8 + +# The PROJECT_NAME tag is a single word (or a sequence of words surrounded by +# double-quotes, unless you are using Doxywizard) that should identify the +# project for which the documentation is generated. This name is used in the +# title of most generated pages and in a few other places. +# The default value is: My Project. + +PROJECT_NAME = Polly + +# The PROJECT_NUMBER tag can be used to enter a project or revision number. This +# could be handy for archiving the generated documentation or if some version +# control system is used. + +PROJECT_NUMBER = @PACKAGE_VERSION@ + +# Using the PROJECT_BRIEF tag one can provide an optional one line description +# for a project that appears at the top of each page and should give viewer a +# quick idea about the purpose of the project. Keep the description short. + +PROJECT_BRIEF = + +# With the PROJECT_LOGO tag one can specify an logo or icon that is included in +# the documentation. The maximum height of the logo should not exceed 55 pixels +# and the maximum width should not exceed 200 pixels. Doxygen will copy the logo +# to the output directory. + +PROJECT_LOGO = + +# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) path +# into which the generated documentation will be written. If a relative path is +# entered, it will be relative to the location where doxygen was started. If +# left blank the current directory will be used. + +OUTPUT_DIRECTORY = @abs_builddir@/doxygen + +# If the CREATE_SUBDIRS tag is set to YES, then doxygen will create 4096 sub- +# directories (in 2 levels) under the output directory of each output format and +# will distribute the generated files over these directories. Enabling this +# option can be useful when feeding doxygen a huge amount of source files, where +# putting all generated files in the same directory would otherwise causes +# performance problems for the file system. +# The default value is: NO. + +CREATE_SUBDIRS = NO + +# The OUTPUT_LANGUAGE tag is used to specify the language in which all +# documentation generated by doxygen is written. Doxygen will use this +# information to generate all constant output in the proper language. +# Possible values are: Afrikaans, Arabic, Armenian, Brazilian, Catalan, Chinese, +# Chinese-Traditional, Croatian, Czech, Danish, Dutch, English (United States), +# Esperanto, Farsi (Persian), Finnish, French, German, Greek, Hungarian, +# Indonesian, Italian, Japanese, Japanese-en (Japanese with English messages), +# Korean, Korean-en (Korean with English messages), Latvian, Lithuanian, +# Macedonian, Norwegian, Persian (Farsi), Polish, Portuguese, Romanian, Russian, +# Serbian, Serbian-Cyrillic, Slovak, Slovene, Spanish, Swedish, Turkish, +# Ukrainian and Vietnamese. +# The default value is: English. + +OUTPUT_LANGUAGE = English + +# If the BRIEF_MEMBER_DESC tag is set to YES doxygen will include brief member +# descriptions after the members that are listed in the file and class +# documentation (similar to Javadoc). Set to NO to disable this. +# The default value is: YES. + +BRIEF_MEMBER_DESC = YES + +# If the REPEAT_BRIEF tag is set to YES doxygen will prepend the brief +# description of a member or function before the detailed description +# +# Note: If both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the +# brief descriptions will be completely suppressed. +# The default value is: YES. + +REPEAT_BRIEF = YES + +# This tag implements a quasi-intelligent brief description abbreviator that is +# used to form the text in various listings. Each string in this list, if found +# as the leading text of the brief description, will be stripped from the text +# and the result, after processing the whole list, is used as the annotated +# text. Otherwise, the brief description is used as-is. If left blank, the +# following values are used ($name is automatically replaced with the name of +# the entity):The $name class, The $name widget, The $name file, is, provides, +# specifies, contains, represents, a, an and the. + +ABBREVIATE_BRIEF = + +# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then +# doxygen will generate a detailed section even if there is only a brief +# description. +# The default value is: NO. + +ALWAYS_DETAILED_SEC = NO + +# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all +# inherited members of a class in the documentation of that class as if those +# members were ordinary class members. Constructors, destructors and assignment +# operators of the base classes will not be shown. +# The default value is: NO. + +INLINE_INHERITED_MEMB = NO + +# If the FULL_PATH_NAMES tag is set to YES doxygen will prepend the full path +# before files name in the file list and in the header files. If set to NO the +# shortest path that makes the file name unique will be used +# The default value is: YES. + +FULL_PATH_NAMES = NO + +# The STRIP_FROM_PATH tag can be used to strip a user-defined part of the path. +# Stripping is only done if one of the specified strings matches the left-hand +# part of the path. The tag can be used to show relative paths in the file list. +# If left blank the directory from which doxygen is run is used as the path to +# strip. +# +# Note that you can specify absolute paths here, but also relative paths, which +# will be relative from the directory where doxygen is started. +# This tag requires that the tag FULL_PATH_NAMES is set to YES. + +STRIP_FROM_PATH = ../.. + +# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of the +# path mentioned in the documentation of a class, which tells the reader which +# header file to include in order to use a class. If left blank only the name of +# the header file containing the class definition is used. Otherwise one should +# specify the list of include paths that are normally passed to the compiler +# using the -I flag. + +STRIP_FROM_INC_PATH = + +# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter (but +# less readable) file names. This can be useful is your file systems doesn't +# support long names like on DOS, Mac, or CD-ROM. +# The default value is: NO. + +SHORT_NAMES = NO + +# If the JAVADOC_AUTOBRIEF tag is set to YES then doxygen will interpret the +# first line (until the first dot) of a Javadoc-style comment as the brief +# description. If set to NO, the Javadoc-style will behave just like regular Qt- +# style comments (thus requiring an explicit @brief command for a brief +# description.) +# The default value is: NO. + +JAVADOC_AUTOBRIEF = YES + +# If the QT_AUTOBRIEF tag is set to YES then doxygen will interpret the first +# line (until the first dot) of a Qt-style comment as the brief description. If +# set to NO, the Qt-style will behave just like regular Qt-style comments (thus +# requiring an explicit \brief command for a brief description.) +# The default value is: NO. + +QT_AUTOBRIEF = YES + +# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make doxygen treat a +# multi-line C++ special comment block (i.e. a block of //! or /// comments) as +# a brief description. This used to be the default behavior. The new default is +# to treat a multi-line C++ comment block as a detailed description. Set this +# tag to YES if you prefer the old behavior instead. +# +# Note that setting this tag to YES also means that rational rose comments are +# not recognized any more. +# The default value is: NO. + +MULTILINE_CPP_IS_BRIEF = NO + +# If the INHERIT_DOCS tag is set to YES then an undocumented member inherits the +# documentation from any documented member that it re-implements. +# The default value is: YES. + +INHERIT_DOCS = YES + +# If the SEPARATE_MEMBER_PAGES tag is set to YES, then doxygen will produce a +# new page for each member. If set to NO, the documentation of a member will be +# part of the file/class/namespace that contains it. +# The default value is: NO. + +SEPARATE_MEMBER_PAGES = NO + +# The TAB_SIZE tag can be used to set the number of spaces in a tab. Doxygen +# uses this value to replace tabs by spaces in code fragments. +# Minimum value: 1, maximum value: 16, default value: 4. + +TAB_SIZE = 2 + +# This tag can be used to specify a number of aliases that act as commands in +# the documentation. An alias has the form: +# name=value +# For example adding +# "sideeffect=@par Side Effects:\n" +# will allow you to put the command \sideeffect (or @sideeffect) in the +# documentation, which will result in a user-defined paragraph with heading +# "Side Effects:". You can put \n's in the value part of an alias to insert +# newlines. + +ALIASES = + +# This tag can be used to specify a number of word-keyword mappings (TCL only). +# A mapping has the form "name=value". For example adding "class=itcl::class" +# will allow you to use the command class in the itcl::class meaning. + +TCL_SUBST = + +# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C sources +# only. Doxygen will then generate output that is more tailored for C. For +# instance, some of the names that are used will be different. The list of all +# members will be omitted, etc. +# The default value is: NO. + +OPTIMIZE_OUTPUT_FOR_C = NO + +# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java or +# Python sources only. Doxygen will then generate output that is more tailored +# for that language. For instance, namespaces will be presented as packages, +# qualified scopes will look different, etc. +# The default value is: NO. + +OPTIMIZE_OUTPUT_JAVA = NO + +# Set the OPTIMIZE_FOR_FORTRAN tag to YES if your project consists of Fortran +# sources. Doxygen will then generate output that is tailored for Fortran. +# The default value is: NO. + +OPTIMIZE_FOR_FORTRAN = NO + +# Set the OPTIMIZE_OUTPUT_VHDL tag to YES if your project consists of VHDL +# sources. Doxygen will then generate output that is tailored for VHDL. +# The default value is: NO. + +OPTIMIZE_OUTPUT_VHDL = NO + +# Doxygen selects the parser to use depending on the extension of the files it +# parses. With this tag you can assign which parser to use for a given +# extension. Doxygen has a built-in mapping, but you can override or extend it +# using this tag. The format is ext=language, where ext is a file extension, and +# language is one of the parsers supported by doxygen: IDL, Java, Javascript, +# C#, C, C++, D, PHP, Objective-C, Python, Fortran, VHDL. For instance to make +# doxygen treat .inc files as Fortran files (default is PHP), and .f files as C +# (default is Fortran), use: inc=Fortran f=C. +# +# Note For files without extension you can use no_extension as a placeholder. +# +# Note that for custom extensions you also need to set FILE_PATTERNS otherwise +# the files are not read by doxygen. + +EXTENSION_MAPPING = + +# If the MARKDOWN_SUPPORT tag is enabled then doxygen pre-processes all comments +# according to the Markdown format, which allows for more readable +# documentation. See http://daringfireball.net/projects/markdown/ for details. +# The output of markdown processing is further processed by doxygen, so you can +# mix doxygen, HTML, and XML commands with Markdown formatting. Disable only in +# case of backward compatibilities issues. +# The default value is: YES. + +MARKDOWN_SUPPORT = YES + +# When enabled doxygen tries to link words that correspond to documented +# classes, or namespaces to their corresponding documentation. Such a link can +# be prevented in individual cases by by putting a % sign in front of the word +# or globally by setting AUTOLINK_SUPPORT to NO. +# The default value is: YES. + +AUTOLINK_SUPPORT = YES + +# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want +# to include (a tag file for) the STL sources as input, then you should set this +# tag to YES in order to let doxygen match functions declarations and +# definitions whose arguments contain STL classes (e.g. func(std::string); +# versus func(std::string) {}). This also make the inheritance and collaboration +# diagrams that involve STL classes more complete and accurate. +# The default value is: NO. + +BUILTIN_STL_SUPPORT = NO + +# If you use Microsoft's C++/CLI language, you should set this option to YES to +# enable parsing support. +# The default value is: NO. + +CPP_CLI_SUPPORT = NO + +# Set the SIP_SUPPORT tag to YES if your project consists of sip (see: +# http://www.riverbankcomputing.co.uk/software/sip/intro) sources only. Doxygen +# will parse them like normal C++ but will assume all classes use public instead +# of private inheritance when no explicit protection keyword is present. +# The default value is: NO. + +SIP_SUPPORT = NO + +# For Microsoft's IDL there are propget and propput attributes to indicate +# getter and setter methods for a property. Setting this option to YES will make +# doxygen to replace the get and set methods by a property in the documentation. +# This will only work if the methods are indeed getting or setting a simple +# type. If this is not the case, or you want to show the methods anyway, you +# should set this option to NO. +# The default value is: YES. + +IDL_PROPERTY_SUPPORT = YES + +# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC +# tag is set to YES, then doxygen will reuse the documentation of the first +# member in the group (if any) for the other members of the group. By default +# all members of a group must be documented explicitly. +# The default value is: NO. + +DISTRIBUTE_GROUP_DOC = NO + +# Set the SUBGROUPING tag to YES to allow class member groups of the same type +# (for instance a group of public functions) to be put as a subgroup of that +# type (e.g. under the Public Functions section). Set it to NO to prevent +# subgrouping. Alternatively, this can be done per class using the +# \nosubgrouping command. +# The default value is: YES. + +SUBGROUPING = YES + +# When the INLINE_GROUPED_CLASSES tag is set to YES, classes, structs and unions +# are shown inside the group in which they are included (e.g. using \ingroup) +# instead of on a separate page (for HTML and Man pages) or section (for LaTeX +# and RTF). +# +# Note that this feature does not work in combination with +# SEPARATE_MEMBER_PAGES. +# The default value is: NO. + +INLINE_GROUPED_CLASSES = NO + +# When the INLINE_SIMPLE_STRUCTS tag is set to YES, structs, classes, and unions +# with only public data fields or simple typedef fields will be shown inline in +# the documentation of the scope in which they are defined (i.e. file, +# namespace, or group documentation), provided this scope is documented. If set +# to NO, structs, classes, and unions are shown on a separate page (for HTML and +# Man pages) or section (for LaTeX and RTF). +# The default value is: NO. + +INLINE_SIMPLE_STRUCTS = NO + +# When TYPEDEF_HIDES_STRUCT tag is enabled, a typedef of a struct, union, or +# enum is documented as struct, union, or enum with the name of the typedef. So +# typedef struct TypeS {} TypeT, will appear in the documentation as a struct +# with name TypeT. When disabled the typedef will appear as a member of a file, +# namespace, or class. And the struct will be named TypeS. This can typically be +# useful for C code in case the coding convention dictates that all compound +# types are typedef'ed and only the typedef is referenced, never the tag name. +# The default value is: NO. + +TYPEDEF_HIDES_STRUCT = NO + +# The size of the symbol lookup cache can be set using LOOKUP_CACHE_SIZE. This +# cache is used to resolve symbols given their name and scope. Since this can be +# an expensive process and often the same symbol appears multiple times in the +# code, doxygen keeps a cache of pre-resolved symbols. If the cache is too small +# doxygen will become slower. If the cache is too large, memory is wasted. The +# cache size is given by this formula: 2^(16+LOOKUP_CACHE_SIZE). The valid range +# is 0..9, the default is 0, corresponding to a cache size of 2^16=65536 +# symbols. At the end of a run doxygen will report the cache usage and suggest +# the optimal cache size from a speed point of view. +# Minimum value: 0, maximum value: 9, default value: 0. + +LOOKUP_CACHE_SIZE = 2 + +#--------------------------------------------------------------------------- +# Build related configuration options +#--------------------------------------------------------------------------- + +# If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in +# documentation are documented, even if no documentation was available. Private +# class members and static file members will be hidden unless the +# EXTRACT_PRIVATE respectively EXTRACT_STATIC tags are set to YES. +# Note: This will also disable the warnings about undocumented members that are +# normally produced when WARNINGS is set to YES. +# The default value is: NO. + +EXTRACT_ALL = YES + +# If the EXTRACT_PRIVATE tag is set to YES all private members of a class will +# be included in the documentation. +# The default value is: NO. + +EXTRACT_PRIVATE = YES + +# If the EXTRACT_PACKAGE tag is set to YES all members with package or internal +# scope will be included in the documentation. +# The default value is: NO. + +EXTRACT_PACKAGE = NO + +# If the EXTRACT_STATIC tag is set to YES all static members of a file will be +# included in the documentation. +# The default value is: NO. + +EXTRACT_STATIC = YES + +# If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs) defined +# locally in source files will be included in the documentation. If set to NO +# only classes defined in header files are included. Does not have any effect +# for Java sources. +# The default value is: YES. + +EXTRACT_LOCAL_CLASSES = YES + +# This flag is only useful for Objective-C code. When set to YES local methods, +# which are defined in the implementation section but not in the interface are +# included in the documentation. If set to NO only methods in the interface are +# included. +# The default value is: NO. + +EXTRACT_LOCAL_METHODS = NO + +# If this flag is set to YES, the members of anonymous namespaces will be +# extracted and appear in the documentation as a namespace called +# 'anonymous_namespace{file}', where file will be replaced with the base name of +# the file that contains the anonymous namespace. By default anonymous namespace +# are hidden. +# The default value is: NO. + +EXTRACT_ANON_NSPACES = NO + +# If the HIDE_UNDOC_MEMBERS tag is set to YES, doxygen will hide all +# undocumented members inside documented classes or files. If set to NO these +# members will be included in the various overviews, but no documentation +# section is generated. This option has no effect if EXTRACT_ALL is enabled. +# The default value is: NO. + +HIDE_UNDOC_MEMBERS = NO + +# If the HIDE_UNDOC_CLASSES tag is set to YES, doxygen will hide all +# undocumented classes that are normally visible in the class hierarchy. If set +# to NO these classes will be included in the various overviews. This option has +# no effect if EXTRACT_ALL is enabled. +# The default value is: NO. + +HIDE_UNDOC_CLASSES = NO + +# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, doxygen will hide all friend +# (class|struct|union) declarations. If set to NO these declarations will be +# included in the documentation. +# The default value is: NO. + +HIDE_FRIEND_COMPOUNDS = NO + +# If the HIDE_IN_BODY_DOCS tag is set to YES, doxygen will hide any +# documentation blocks found inside the body of a function. If set to NO these +# blocks will be appended to the function's detailed documentation block. +# The default value is: NO. + +HIDE_IN_BODY_DOCS = NO + +# The INTERNAL_DOCS tag determines if documentation that is typed after a +# \internal command is included. If the tag is set to NO then the documentation +# will be excluded. Set it to YES to include the internal documentation. +# The default value is: NO. + +INTERNAL_DOCS = NO + +# If the CASE_SENSE_NAMES tag is set to NO then doxygen will only generate file +# names in lower-case letters. If set to YES upper-case letters are also +# allowed. This is useful if you have classes or files whose names only differ +# in case and if your file system supports case sensitive file names. Windows +# and Mac users are advised to set this option to NO. +# The default value is: system dependent. + +CASE_SENSE_NAMES = YES + +# If the HIDE_SCOPE_NAMES tag is set to NO then doxygen will show members with +# their full class and namespace scopes in the documentation. If set to YES the +# scope will be hidden. +# The default value is: NO. + +HIDE_SCOPE_NAMES = NO + +# If the SHOW_INCLUDE_FILES tag is set to YES then doxygen will put a list of +# the files that are included by a file in the documentation of that file. +# The default value is: YES. + +SHOW_INCLUDE_FILES = YES + +# If the SHOW_GROUPED_MEMB_INC tag is set to YES then Doxygen will add for each +# grouped member an include statement to the documentation, telling the reader +# which file to include in order to use the member. +# The default value is: NO. + +SHOW_GROUPED_MEMB_INC = NO + +# If the FORCE_LOCAL_INCLUDES tag is set to YES then doxygen will list include +# files with double quotes in the documentation rather than with sharp brackets. +# The default value is: NO. + +FORCE_LOCAL_INCLUDES = NO + +# If the INLINE_INFO tag is set to YES then a tag [inline] is inserted in the +# documentation for inline members. +# The default value is: YES. + +INLINE_INFO = YES + +# If the SORT_MEMBER_DOCS tag is set to YES then doxygen will sort the +# (detailed) documentation of file and class members alphabetically by member +# name. If set to NO the members will appear in declaration order. +# The default value is: YES. + +SORT_MEMBER_DOCS = YES + +# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the brief +# descriptions of file, namespace and class members alphabetically by member +# name. If set to NO the members will appear in declaration order. Note that +# this will also influence the order of the classes in the class list. +# The default value is: NO. + +SORT_BRIEF_DOCS = NO + +# If the SORT_MEMBERS_CTORS_1ST tag is set to YES then doxygen will sort the +# (brief and detailed) documentation of class members so that constructors and +# destructors are listed first. If set to NO the constructors will appear in the +# respective orders defined by SORT_BRIEF_DOCS and SORT_MEMBER_DOCS. +# Note: If SORT_BRIEF_DOCS is set to NO this option is ignored for sorting brief +# member documentation. +# Note: If SORT_MEMBER_DOCS is set to NO this option is ignored for sorting +# detailed member documentation. +# The default value is: NO. + +SORT_MEMBERS_CTORS_1ST = NO + +# If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the hierarchy +# of group names into alphabetical order. If set to NO the group names will +# appear in their defined order. +# The default value is: NO. + +SORT_GROUP_NAMES = NO + +# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be sorted by +# fully-qualified names, including namespaces. If set to NO, the class list will +# be sorted only by class name, not including the namespace part. +# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES. +# Note: This option applies only to the class list, not to the alphabetical +# list. +# The default value is: NO. + +SORT_BY_SCOPE_NAME = NO + +# If the STRICT_PROTO_MATCHING option is enabled and doxygen fails to do proper +# type resolution of all parameters of a function it will reject a match between +# the prototype and the implementation of a member function even if there is +# only one candidate or it is obvious which candidate to choose by doing a +# simple string match. By disabling STRICT_PROTO_MATCHING doxygen will still +# accept a match between prototype and implementation in such cases. +# The default value is: NO. + +STRICT_PROTO_MATCHING = NO + +# The GENERATE_TODOLIST tag can be used to enable ( YES) or disable ( NO) the +# todo list. This list is created by putting \todo commands in the +# documentation. +# The default value is: YES. + +GENERATE_TODOLIST = YES + +# The GENERATE_TESTLIST tag can be used to enable ( YES) or disable ( NO) the +# test list. This list is created by putting \test commands in the +# documentation. +# The default value is: YES. + +GENERATE_TESTLIST = YES + +# The GENERATE_BUGLIST tag can be used to enable ( YES) or disable ( NO) the bug +# list. This list is created by putting \bug commands in the documentation. +# The default value is: YES. + +GENERATE_BUGLIST = YES + +# The GENERATE_DEPRECATEDLIST tag can be used to enable ( YES) or disable ( NO) +# the deprecated list. This list is created by putting \deprecated commands in +# the documentation. +# The default value is: YES. + +GENERATE_DEPRECATEDLIST= YES + +# The ENABLED_SECTIONS tag can be used to enable conditional documentation +# sections, marked by \if ... \endif and \cond +# ... \endcond blocks. + +ENABLED_SECTIONS = + +# The MAX_INITIALIZER_LINES tag determines the maximum number of lines that the +# initial value of a variable or macro / define can have for it to appear in the +# documentation. If the initializer consists of more lines than specified here +# it will be hidden. Use a value of 0 to hide initializers completely. The +# appearance of the value of individual variables and macros / defines can be +# controlled using \showinitializer or \hideinitializer command in the +# documentation regardless of this setting. +# Minimum value: 0, maximum value: 10000, default value: 30. + +MAX_INITIALIZER_LINES = 30 + +# Set the SHOW_USED_FILES tag to NO to disable the list of files generated at +# the bottom of the documentation of classes and structs. If set to YES the list +# will mention the files that were used to generate the documentation. +# The default value is: YES. + +SHOW_USED_FILES = YES + +# Set the SHOW_FILES tag to NO to disable the generation of the Files page. This +# will remove the Files entry from the Quick Index and from the Folder Tree View +# (if specified). +# The default value is: YES. + +SHOW_FILES = YES + +# Set the SHOW_NAMESPACES tag to NO to disable the generation of the Namespaces +# page. This will remove the Namespaces entry from the Quick Index and from the +# Folder Tree View (if specified). +# The default value is: YES. + +SHOW_NAMESPACES = YES + +# The FILE_VERSION_FILTER tag can be used to specify a program or script that +# doxygen should invoke to get the current version for each file (typically from +# the version control system). Doxygen will invoke the program by executing (via +# popen()) the command command input-file, where command is the value of the +# FILE_VERSION_FILTER tag, and input-file is the name of an input file provided +# by doxygen. Whatever the program writes to standard output is used as the file +# version. For an example see the documentation. + +FILE_VERSION_FILTER = + +# The LAYOUT_FILE tag can be used to specify a layout file which will be parsed +# by doxygen. The layout file controls the global structure of the generated +# output files in an output format independent way. To create the layout file +# that represents doxygen's defaults, run doxygen with the -l option. You can +# optionally specify a file name after the option, if omitted DoxygenLayout.xml +# will be used as the name of the layout file. +# +# Note that if you run doxygen from a directory containing a file called +# DoxygenLayout.xml, doxygen will parse it automatically even if the LAYOUT_FILE +# tag is left empty. + +LAYOUT_FILE = + +# The CITE_BIB_FILES tag can be used to specify one or more bib files containing +# the reference definitions. This must be a list of .bib files. The .bib +# extension is automatically appended if omitted. This requires the bibtex tool +# to be installed. See also http://en.wikipedia.org/wiki/BibTeX for more info. +# For LaTeX the style of the bibliography can be controlled using +# LATEX_BIB_STYLE. To use this feature you need bibtex and perl available in the +# search path. Do not use file names with spaces, bibtex cannot handle them. See +# also \cite for info how to create references. + +CITE_BIB_FILES = + +#--------------------------------------------------------------------------- +# Configuration options related to warning and progress messages +#--------------------------------------------------------------------------- + +# The QUIET tag can be used to turn on/off the messages that are generated to +# standard output by doxygen. If QUIET is set to YES this implies that the +# messages are off. +# The default value is: NO. + +QUIET = NO + +# The WARNINGS tag can be used to turn on/off the warning messages that are +# generated to standard error ( stderr) by doxygen. If WARNINGS is set to YES +# this implies that the warnings are on. +# +# Tip: Turn warnings on while writing the documentation. +# The default value is: YES. + +WARNINGS = NO + +# If the WARN_IF_UNDOCUMENTED tag is set to YES, then doxygen will generate +# warnings for undocumented members. If EXTRACT_ALL is set to YES then this flag +# will automatically be disabled. +# The default value is: YES. + +WARN_IF_UNDOCUMENTED = NO + +# If the WARN_IF_DOC_ERROR tag is set to YES, doxygen will generate warnings for +# potential errors in the documentation, such as not documenting some parameters +# in a documented function, or documenting parameters that don't exist or using +# markup commands wrongly. +# The default value is: YES. + +WARN_IF_DOC_ERROR = YES + +# This WARN_NO_PARAMDOC option can be enabled to get warnings for functions that +# are documented, but have no documentation for their parameters or return +# value. If set to NO doxygen will only warn about wrong or incomplete parameter +# documentation, but not about the absence of documentation. +# The default value is: NO. + +WARN_NO_PARAMDOC = NO + +# The WARN_FORMAT tag determines the format of the warning messages that doxygen +# can produce. The string should contain the $file, $line, and $text tags, which +# will be replaced by the file and line number from which the warning originated +# and the warning text. Optionally the format may contain $version, which will +# be replaced by the version of the file (if it could be obtained via +# FILE_VERSION_FILTER) +# The default value is: $file:$line: $text. + +WARN_FORMAT = "$file:$line: $text" + +# The WARN_LOGFILE tag can be used to specify a file to which warning and error +# messages should be written. If left blank the output is written to standard +# error (stderr). + +WARN_LOGFILE = + +#--------------------------------------------------------------------------- +# Configuration options related to the input files +#--------------------------------------------------------------------------- + +# The INPUT tag is used to specify the files and/or directories that contain +# documented source files. You may enter file names like myfile.cpp or +# directories like /usr/src/myproject. Separate the files or directories with +# spaces. +# Note: If this tag is empty the current directory is searched. + +INPUT = @abs_srcdir@/../include \ + @abs_srcdir@/../lib \ + @abs_srcdir@/doxygen.intro + +# This tag can be used to specify the character encoding of the source files +# that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses +# libiconv (or the iconv built into libc) for the transcoding. See the libiconv +# documentation (see: http://www.gnu.org/software/libiconv) for the list of +# possible encodings. +# The default value is: UTF-8. + +INPUT_ENCODING = UTF-8 + +# If the value of the INPUT tag contains directories, you can use the +# FILE_PATTERNS tag to specify one or more wildcard patterns (like *.cpp and +# *.h) to filter out the source-files in the directories. If left blank the +# following patterns are tested:*.c, *.cc, *.cxx, *.cpp, *.c++, *.java, *.ii, +# *.ixx, *.ipp, *.i++, *.inl, *.idl, *.ddl, *.odl, *.h, *.hh, *.hxx, *.hpp, +# *.h++, *.cs, *.d, *.php, *.php4, *.php5, *.phtml, *.inc, *.m, *.markdown, +# *.md, *.mm, *.dox, *.py, *.f90, *.f, *.for, *.tcl, *.vhd, *.vhdl, *.ucf, +# *.qsf, *.as and *.js. + +FILE_PATTERNS = + +# The RECURSIVE tag can be used to specify whether or not subdirectories should +# be searched for input files as well. +# The default value is: NO. + +RECURSIVE = YES + +# The EXCLUDE tag can be used to specify files and/or directories that should be +# excluded from the INPUT source files. This way you can easily exclude a +# subdirectory from a directory tree whose root is specified with the INPUT tag. +# +# Note that relative paths are relative to the directory from which doxygen is +# run. + +EXCLUDE = + +# The EXCLUDE_SYMLINKS tag can be used to select whether or not files or +# directories that are symbolic links (a Unix file system feature) are excluded +# from the input. +# The default value is: NO. + +EXCLUDE_SYMLINKS = NO + +# If the value of the INPUT tag contains directories, you can use the +# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude +# certain files from those directories. +# +# Note that the wildcards are matched against the file with absolute path, so to +# exclude all test directories for example use the pattern */test/* + +EXCLUDE_PATTERNS = *.py +EXCLUDE_PATTERNS += *.sh + +# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names +# (namespaces, classes, functions, etc.) that should be excluded from the +# output. The symbol name can be a fully qualified name, a word, or if the +# wildcard * is used, a substring. Examples: ANamespace, AClass, +# AClass::ANamespace, ANamespace::*Test +# +# Note that the wildcards are matched against the file with absolute path, so to +# exclude all test directories use the pattern */test/* + +EXCLUDE_SYMBOLS = + +# The EXAMPLE_PATH tag can be used to specify one or more files or directories +# that contain example code fragments that are included (see the \include +# command). + +EXAMPLE_PATH = @abs_srcdir@/../examples + +# If the value of the EXAMPLE_PATH tag contains directories, you can use the +# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp and +# *.h) to filter out the source-files in the directories. If left blank all +# files are included. + +EXAMPLE_PATTERNS = + +# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be +# searched for input files to be used with the \include or \dontinclude commands +# irrespective of the value of the RECURSIVE tag. +# The default value is: NO. + +EXAMPLE_RECURSIVE = YES + +# The IMAGE_PATH tag can be used to specify one or more files or directories +# that contain images that are to be included in the documentation (see the +# \image command). + +IMAGE_PATH = @abs_srcdir@/img + +# The INPUT_FILTER tag can be used to specify a program that doxygen should +# invoke to filter for each input file. Doxygen will invoke the filter program +# by executing (via popen()) the command: +# +# +# +# where is the value of the INPUT_FILTER tag, and is the +# name of an input file. Doxygen will then use the output that the filter +# program writes to standard output. If FILTER_PATTERNS is specified, this tag +# will be ignored. +# +# Note that the filter must not add or remove lines; it is applied before the +# code is scanned, but not when the output code is generated. If lines are added +# or removed, the anchors will not be placed correctly. + +INPUT_FILTER = + +# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern +# basis. Doxygen will compare the file name with each pattern and apply the +# filter if there is a match. The filters are a list of the form: pattern=filter +# (like *.cpp=my_cpp_filter). See INPUT_FILTER for further information on how +# filters are used. If the FILTER_PATTERNS tag is empty or if none of the +# patterns match the file name, INPUT_FILTER is applied. + +FILTER_PATTERNS = + +# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using +# INPUT_FILTER ) will also be used to filter the input files that are used for +# producing the source files to browse (i.e. when SOURCE_BROWSER is set to YES). +# The default value is: NO. + +FILTER_SOURCE_FILES = NO + +# The FILTER_SOURCE_PATTERNS tag can be used to specify source filters per file +# pattern. A pattern will override the setting for FILTER_PATTERN (if any) and +# it is also possible to disable source filtering for a specific pattern using +# *.ext= (so without naming a filter). +# This tag requires that the tag FILTER_SOURCE_FILES is set to YES. + +FILTER_SOURCE_PATTERNS = + +# If the USE_MDFILE_AS_MAINPAGE tag refers to the name of a markdown file that +# is part of the input, its contents will be placed on the main page +# (index.html). This can be useful if you have a project on for instance GitHub +# and want to reuse the introduction page also for the doxygen output. + +USE_MDFILE_AS_MAINPAGE = + +#--------------------------------------------------------------------------- +# Configuration options related to source browsing +#--------------------------------------------------------------------------- + +# If the SOURCE_BROWSER tag is set to YES then a list of source files will be +# generated. Documented entities will be cross-referenced with these sources. +# +# Note: To get rid of all source code in the generated output, make sure that +# also VERBATIM_HEADERS is set to NO. +# The default value is: NO. + +SOURCE_BROWSER = YES + +# Setting the INLINE_SOURCES tag to YES will include the body of functions, +# classes and enums directly into the documentation. +# The default value is: NO. + +INLINE_SOURCES = NO + +# Setting the STRIP_CODE_COMMENTS tag to YES will instruct doxygen to hide any +# special comment blocks from generated source code fragments. Normal C, C++ and +# Fortran comments will always remain visible. +# The default value is: YES. + +STRIP_CODE_COMMENTS = NO + +# If the REFERENCED_BY_RELATION tag is set to YES then for each documented +# function all documented functions referencing it will be listed. +# The default value is: NO. + +REFERENCED_BY_RELATION = YES + +# If the REFERENCES_RELATION tag is set to YES then for each documented function +# all documented entities called/used by that function will be listed. +# The default value is: NO. + +REFERENCES_RELATION = YES + +# If the REFERENCES_LINK_SOURCE tag is set to YES and SOURCE_BROWSER tag is set +# to YES, then the hyperlinks from functions in REFERENCES_RELATION and +# REFERENCED_BY_RELATION lists will link to the source code. Otherwise they will +# link to the documentation. +# The default value is: YES. + +REFERENCES_LINK_SOURCE = YES + +# If SOURCE_TOOLTIPS is enabled (the default) then hovering a hyperlink in the +# source code will show a tooltip with additional information such as prototype, +# brief description and links to the definition and documentation. Since this +# will make the HTML file larger and loading of large files a bit slower, you +# can opt to disable this feature. +# The default value is: YES. +# This tag requires that the tag SOURCE_BROWSER is set to YES. + +SOURCE_TOOLTIPS = YES + +# If the USE_HTAGS tag is set to YES then the references to source code will +# point to the HTML generated by the htags(1) tool instead of doxygen built-in +# source browser. The htags tool is part of GNU's global source tagging system +# (see http://www.gnu.org/software/global/global.html). You will need version +# 4.8.6 or higher. +# +# To use it do the following: +# - Install the latest version of global +# - Enable SOURCE_BROWSER and USE_HTAGS in the config file +# - Make sure the INPUT points to the root of the source tree +# - Run doxygen as normal +# +# Doxygen will invoke htags (and that will in turn invoke gtags), so these +# tools must be available from the command line (i.e. in the search path). +# +# The result: instead of the source browser generated by doxygen, the links to +# source code will now point to the output of htags. +# The default value is: NO. +# This tag requires that the tag SOURCE_BROWSER is set to YES. + +USE_HTAGS = NO + +# If the VERBATIM_HEADERS tag is set the YES then doxygen will generate a +# verbatim copy of the header file for each class for which an include is +# specified. Set to NO to disable this. +# See also: Section \class. +# The default value is: YES. + +VERBATIM_HEADERS = YES + +#--------------------------------------------------------------------------- +# Configuration options related to the alphabetical class index +#--------------------------------------------------------------------------- + +# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index of all +# compounds will be generated. Enable this if the project contains a lot of +# classes, structs, unions or interfaces. +# The default value is: YES. + +ALPHABETICAL_INDEX = YES + +# The COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns in +# which the alphabetical index list will be split. +# Minimum value: 1, maximum value: 20, default value: 5. +# This tag requires that the tag ALPHABETICAL_INDEX is set to YES. + +COLS_IN_ALPHA_INDEX = 4 + +# In case all classes in a project start with a common prefix, all classes will +# be put under the same header in the alphabetical index. The IGNORE_PREFIX tag +# can be used to specify a prefix (or a list of prefixes) that should be ignored +# while generating the index headers. +# This tag requires that the tag ALPHABETICAL_INDEX is set to YES. + +IGNORE_PREFIX = polly:: + +#--------------------------------------------------------------------------- +# Configuration options related to the HTML output +#--------------------------------------------------------------------------- + +# If the GENERATE_HTML tag is set to YES doxygen will generate HTML output +# The default value is: YES. + +GENERATE_HTML = YES + +# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. If a +# relative path is entered the value of OUTPUT_DIRECTORY will be put in front of +# it. +# The default directory is: html. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_OUTPUT = html + +# The HTML_FILE_EXTENSION tag can be used to specify the file extension for each +# generated HTML page (for example: .htm, .php, .asp). +# The default value is: .html. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_FILE_EXTENSION = .html + +# The HTML_HEADER tag can be used to specify a user-defined HTML header file for +# each generated HTML page. If the tag is left blank doxygen will generate a +# standard header. +# +# To get valid HTML the header file that includes any scripts and style sheets +# that doxygen needs, which is dependent on the configuration options used (e.g. +# the setting GENERATE_TREEVIEW). It is highly recommended to start with a +# default header using +# doxygen -w html new_header.html new_footer.html new_stylesheet.css +# YourConfigFile +# and then modify the file new_header.html. See also section "Doxygen usage" +# for information on how to generate the default header that doxygen normally +# uses. +# Note: The header is subject to change so you typically have to regenerate the +# default header when upgrading to a newer version of doxygen. For a description +# of the possible markers and block names see the documentation. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_HEADER = + +# The HTML_FOOTER tag can be used to specify a user-defined HTML footer for each +# generated HTML page. If the tag is left blank doxygen will generate a standard +# footer. See HTML_HEADER for more information on how to generate a default +# footer and what special commands can be used inside the footer. See also +# section "Doxygen usage" for information on how to generate the default footer +# that doxygen normally uses. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_FOOTER = + +# The HTML_STYLESHEET tag can be used to specify a user-defined cascading style +# sheet that is used by each HTML page. It can be used to fine-tune the look of +# the HTML output. If left blank doxygen will generate a default style sheet. +# See also section "Doxygen usage" for information on how to generate the style +# sheet that doxygen normally uses. +# Note: It is recommended to use HTML_EXTRA_STYLESHEET instead of this tag, as +# it is more robust and this tag (HTML_STYLESHEET) will in the future become +# obsolete. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_STYLESHEET = + +# The HTML_EXTRA_STYLESHEET tag can be used to specify an additional user- +# defined cascading style sheet that is included after the standard style sheets +# created by doxygen. Using this option one can overrule certain style aspects. +# This is preferred over using HTML_STYLESHEET since it does not replace the +# standard style sheet and is therefor more robust against future updates. +# Doxygen will copy the style sheet file to the output directory. For an example +# see the documentation. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_EXTRA_STYLESHEET = + +# The HTML_EXTRA_FILES tag can be used to specify one or more extra images or +# other source files which should be copied to the HTML output directory. Note +# that these files will be copied to the base HTML output directory. Use the +# $relpath^ marker in the HTML_HEADER and/or HTML_FOOTER files to load these +# files. In the HTML_STYLESHEET file, use the file name only. Also note that the +# files will be copied as-is; there are no commands or markers available. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_EXTRA_FILES = + +# The HTML_COLORSTYLE_HUE tag controls the color of the HTML output. Doxygen +# will adjust the colors in the stylesheet and background images according to +# this color. Hue is specified as an angle on a colorwheel, see +# http://en.wikipedia.org/wiki/Hue for more information. For instance the value +# 0 represents red, 60 is yellow, 120 is green, 180 is cyan, 240 is blue, 300 +# purple, and 360 is red again. +# Minimum value: 0, maximum value: 359, default value: 220. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_COLORSTYLE_HUE = 220 + +# The HTML_COLORSTYLE_SAT tag controls the purity (or saturation) of the colors +# in the HTML output. For a value of 0 the output will use grayscales only. A +# value of 255 will produce the most vivid colors. +# Minimum value: 0, maximum value: 255, default value: 100. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_COLORSTYLE_SAT = 100 + +# The HTML_COLORSTYLE_GAMMA tag controls the gamma correction applied to the +# luminance component of the colors in the HTML output. Values below 100 +# gradually make the output lighter, whereas values above 100 make the output +# darker. The value divided by 100 is the actual gamma applied, so 80 represents +# a gamma of 0.8, The value 220 represents a gamma of 2.2, and 100 does not +# change the gamma. +# Minimum value: 40, maximum value: 240, default value: 80. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_COLORSTYLE_GAMMA = 80 + +# If the HTML_TIMESTAMP tag is set to YES then the footer of each generated HTML +# page will contain the date and time when the page was generated. Setting this +# to NO can help when comparing the output of multiple runs. +# The default value is: YES. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_TIMESTAMP = YES + +# If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML +# documentation will contain sections that can be hidden and shown after the +# page has loaded. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_DYNAMIC_SECTIONS = NO + +# With HTML_INDEX_NUM_ENTRIES one can control the preferred number of entries +# shown in the various tree structured indices initially; the user can expand +# and collapse entries dynamically later on. Doxygen will expand the tree to +# such a level that at most the specified number of entries are visible (unless +# a fully collapsed tree already exceeds this amount). So setting the number of +# entries 1 will produce a full collapsed tree by default. 0 is a special value +# representing an infinite number of entries and will result in a full expanded +# tree by default. +# Minimum value: 0, maximum value: 9999, default value: 100. +# This tag requires that the tag GENERATE_HTML is set to YES. + +HTML_INDEX_NUM_ENTRIES = 100 + +# If the GENERATE_DOCSET tag is set to YES, additional index files will be +# generated that can be used as input for Apple's Xcode 3 integrated development +# environment (see: http://developer.apple.com/tools/xcode/), introduced with +# OSX 10.5 (Leopard). To create a documentation set, doxygen will generate a +# Makefile in the HTML output directory. Running make will produce the docset in +# that directory and running make install will install the docset in +# ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find it at +# startup. See http://developer.apple.com/tools/creatingdocsetswithdoxygen.html +# for more information. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +GENERATE_DOCSET = NO + +# This tag determines the name of the docset feed. A documentation feed provides +# an umbrella under which multiple documentation sets from a single provider +# (such as a company or product suite) can be grouped. +# The default value is: Doxygen generated docs. +# This tag requires that the tag GENERATE_DOCSET is set to YES. + +DOCSET_FEEDNAME = "Doxygen generated docs" + +# This tag specifies a string that should uniquely identify the documentation +# set bundle. This should be a reverse domain-name style string, e.g. +# com.mycompany.MyDocSet. Doxygen will append .docset to the name. +# The default value is: org.doxygen.Project. +# This tag requires that the tag GENERATE_DOCSET is set to YES. + +DOCSET_BUNDLE_ID = org.doxygen.Project + +# The DOCSET_PUBLISHER_ID tag specifies a string that should uniquely identify +# the documentation publisher. This should be a reverse domain-name style +# string, e.g. com.mycompany.MyDocSet.documentation. +# The default value is: org.doxygen.Publisher. +# This tag requires that the tag GENERATE_DOCSET is set to YES. + +DOCSET_PUBLISHER_ID = org.doxygen.Publisher + +# The DOCSET_PUBLISHER_NAME tag identifies the documentation publisher. +# The default value is: Publisher. +# This tag requires that the tag GENERATE_DOCSET is set to YES. + +DOCSET_PUBLISHER_NAME = Publisher + +# If the GENERATE_HTMLHELP tag is set to YES then doxygen generates three +# additional HTML index files: index.hhp, index.hhc, and index.hhk. The +# index.hhp is a project file that can be read by Microsoft's HTML Help Workshop +# (see: http://www.microsoft.com/en-us/download/details.aspx?id=21138) on +# Windows. +# +# The HTML Help Workshop contains a compiler that can convert all HTML output +# generated by doxygen into a single compiled HTML file (.chm). Compiled HTML +# files are now used as the Windows 98 help format, and will replace the old +# Windows help format (.hlp) on all Windows platforms in the future. Compressed +# HTML files also contain an index, a table of contents, and you can search for +# words in the documentation. The HTML workshop also contains a viewer for +# compressed HTML files. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +GENERATE_HTMLHELP = NO + +# The CHM_FILE tag can be used to specify the file name of the resulting .chm +# file. You can add a path in front of the file if the result should not be +# written to the html output directory. +# This tag requires that the tag GENERATE_HTMLHELP is set to YES. + +CHM_FILE = + +# The HHC_LOCATION tag can be used to specify the location (absolute path +# including file name) of the HTML help compiler ( hhc.exe). If non-empty +# doxygen will try to run the HTML help compiler on the generated index.hhp. +# The file has to be specified with full path. +# This tag requires that the tag GENERATE_HTMLHELP is set to YES. + +HHC_LOCATION = + +# The GENERATE_CHI flag controls if a separate .chi index file is generated ( +# YES) or that it should be included in the master .chm file ( NO). +# The default value is: NO. +# This tag requires that the tag GENERATE_HTMLHELP is set to YES. + +GENERATE_CHI = NO + +# The CHM_INDEX_ENCODING is used to encode HtmlHelp index ( hhk), content ( hhc) +# and project file content. +# This tag requires that the tag GENERATE_HTMLHELP is set to YES. + +CHM_INDEX_ENCODING = + +# The BINARY_TOC flag controls whether a binary table of contents is generated ( +# YES) or a normal table of contents ( NO) in the .chm file. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTMLHELP is set to YES. + +BINARY_TOC = NO + +# The TOC_EXPAND flag can be set to YES to add extra items for group members to +# the table of contents of the HTML help documentation and to the tree view. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTMLHELP is set to YES. + +TOC_EXPAND = NO + +# If the GENERATE_QHP tag is set to YES and both QHP_NAMESPACE and +# QHP_VIRTUAL_FOLDER are set, an additional index file will be generated that +# can be used as input for Qt's qhelpgenerator to generate a Qt Compressed Help +# (.qch) of the generated HTML documentation. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +GENERATE_QHP = @polly_doxygen_generate_qhp@ + +# If the QHG_LOCATION tag is specified, the QCH_FILE tag can be used to specify +# the file name of the resulting .qch file. The path specified is relative to +# the HTML output folder. +# This tag requires that the tag GENERATE_QHP is set to YES. + +QCH_FILE = @polly_doxygen_qch_filename@ + +# The QHP_NAMESPACE tag specifies the namespace to use when generating Qt Help +# Project output. For more information please see Qt Help Project / Namespace +# (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#namespace). +# The default value is: org.doxygen.Project. +# This tag requires that the tag GENERATE_QHP is set to YES. + +QHP_NAMESPACE = @polly_doxygen_qhp_namespace@ + +# The QHP_VIRTUAL_FOLDER tag specifies the namespace to use when generating Qt +# Help Project output. For more information please see Qt Help Project / Virtual +# Folders (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#virtual- +# folders). +# The default value is: doc. +# This tag requires that the tag GENERATE_QHP is set to YES. + +QHP_VIRTUAL_FOLDER = doc + +# If the QHP_CUST_FILTER_NAME tag is set, it specifies the name of a custom +# filter to add. For more information please see Qt Help Project / Custom +# Filters (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#custom- +# filters). +# This tag requires that the tag GENERATE_QHP is set to YES. + +QHP_CUST_FILTER_NAME = @polly_doxygen_qhp_cust_filter_name@ + +# The QHP_CUST_FILTER_ATTRS tag specifies the list of the attributes of the +# custom filter to add. For more information please see Qt Help Project / Custom +# Filters (see: http://qt-project.org/doc/qt-4.8/qthelpproject.html#custom- +# filters). +# This tag requires that the tag GENERATE_QHP is set to YES. + +QHP_CUST_FILTER_ATTRS = @polly_doxygen_qhp_cust_filter_attrs@ + +# The QHP_SECT_FILTER_ATTRS tag specifies the list of the attributes this +# project's filter section matches. Qt Help Project / Filter Attributes (see: +# http://qt-project.org/doc/qt-4.8/qthelpproject.html#filter-attributes). +# This tag requires that the tag GENERATE_QHP is set to YES. + +QHP_SECT_FILTER_ATTRS = + +# The QHG_LOCATION tag can be used to specify the location of Qt's +# qhelpgenerator. If non-empty doxygen will try to run qhelpgenerator on the +# generated .qhp file. +# This tag requires that the tag GENERATE_QHP is set to YES. + +QHG_LOCATION = @polly_doxygen_qhelpgenerator_path@ + +# If the GENERATE_ECLIPSEHELP tag is set to YES, additional index files will be +# generated, together with the HTML files, they form an Eclipse help plugin. To +# install this plugin and make it available under the help contents menu in +# Eclipse, the contents of the directory containing the HTML and XML files needs +# to be copied into the plugins directory of eclipse. The name of the directory +# within the plugins directory should be the same as the ECLIPSE_DOC_ID value. +# After copying Eclipse needs to be restarted before the help appears. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +GENERATE_ECLIPSEHELP = NO + +# A unique identifier for the Eclipse help plugin. When installing the plugin +# the directory name containing the HTML and XML files should also have this +# name. Each documentation set should have its own identifier. +# The default value is: org.doxygen.Project. +# This tag requires that the tag GENERATE_ECLIPSEHELP is set to YES. + +ECLIPSE_DOC_ID = org.doxygen.Project + +# If you want full control over the layout of the generated HTML pages it might +# be necessary to disable the index and replace it with your own. The +# DISABLE_INDEX tag can be used to turn on/off the condensed index (tabs) at top +# of each HTML page. A value of NO enables the index and the value YES disables +# it. Since the tabs in the index contain the same information as the navigation +# tree, you can set this option to YES if you also set GENERATE_TREEVIEW to YES. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +DISABLE_INDEX = NO + +# The GENERATE_TREEVIEW tag is used to specify whether a tree-like index +# structure should be generated to display hierarchical information. If the tag +# value is set to YES, a side panel will be generated containing a tree-like +# index structure (just like the one that is generated for HTML Help). For this +# to work a browser that supports JavaScript, DHTML, CSS and frames is required +# (i.e. any modern browser). Windows users are probably better off using the +# HTML help feature. Via custom stylesheets (see HTML_EXTRA_STYLESHEET) one can +# further fine-tune the look of the index. As an example, the default style +# sheet generated by doxygen has an example that shows how to put an image at +# the root of the tree instead of the PROJECT_NAME. Since the tree basically has +# the same information as the tab index, you could consider setting +# DISABLE_INDEX to YES when enabling this option. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +GENERATE_TREEVIEW = NO + +# The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values that +# doxygen will group on one line in the generated HTML documentation. +# +# Note that a value of 0 will completely suppress the enum values from appearing +# in the overview section. +# Minimum value: 0, maximum value: 20, default value: 4. +# This tag requires that the tag GENERATE_HTML is set to YES. + +ENUM_VALUES_PER_LINE = 4 + +# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be used +# to set the initial width (in pixels) of the frame in which the tree is shown. +# Minimum value: 0, maximum value: 1500, default value: 250. +# This tag requires that the tag GENERATE_HTML is set to YES. + +TREEVIEW_WIDTH = 250 + +# When the EXT_LINKS_IN_WINDOW option is set to YES doxygen will open links to +# external symbols imported via tag files in a separate window. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +EXT_LINKS_IN_WINDOW = NO + +# Use this tag to change the font size of LaTeX formulas included as images in +# the HTML documentation. When you change the font size after a successful +# doxygen run you need to manually remove any form_*.png images from the HTML +# output directory to force them to be regenerated. +# Minimum value: 8, maximum value: 50, default value: 10. +# This tag requires that the tag GENERATE_HTML is set to YES. + +FORMULA_FONTSIZE = 10 + +# Use the FORMULA_TRANPARENT tag to determine whether or not the images +# generated for formulas are transparent PNGs. Transparent PNGs are not +# supported properly for IE 6.0, but are supported on all modern browsers. +# +# Note that when changing this option you need to delete any form_*.png files in +# the HTML output directory before the changes have effect. +# The default value is: YES. +# This tag requires that the tag GENERATE_HTML is set to YES. + +FORMULA_TRANSPARENT = YES + +# Enable the USE_MATHJAX option to render LaTeX formulas using MathJax (see +# http://www.mathjax.org) which uses client side Javascript for the rendering +# instead of using prerendered bitmaps. Use this if you do not have LaTeX +# installed or if you want to formulas look prettier in the HTML output. When +# enabled you may also need to install MathJax separately and configure the path +# to it using the MATHJAX_RELPATH option. +# The default value is: NO. +# This tag requires that the tag GENERATE_HTML is set to YES. + +USE_MATHJAX = NO + +# When MathJax is enabled you can set the default output format to be used for +# the MathJax output. See the MathJax site (see: +# http://docs.mathjax.org/en/latest/output.html) for more details. +# Possible values are: HTML-CSS (which is slower, but has the best +# compatibility), NativeMML (i.e. MathML) and SVG. +# The default value is: HTML-CSS. +# This tag requires that the tag USE_MATHJAX is set to YES. + +MATHJAX_FORMAT = HTML-CSS + +# When MathJax is enabled you need to specify the location relative to the HTML +# output directory using the MATHJAX_RELPATH option. The destination directory +# should contain the MathJax.js script. For instance, if the mathjax directory +# is located at the same level as the HTML output directory, then +# MATHJAX_RELPATH should be ../mathjax. The default value points to the MathJax +# Content Delivery Network so you can quickly see the result without installing +# MathJax. However, it is strongly recommended to install a local copy of +# MathJax from http://www.mathjax.org before deployment. +# The default value is: http://cdn.mathjax.org/mathjax/latest. +# This tag requires that the tag USE_MATHJAX is set to YES. + +MATHJAX_RELPATH = http://cdn.mathjax.org/mathjax/latest + +# The MATHJAX_EXTENSIONS tag can be used to specify one or more MathJax +# extension names that should be enabled during MathJax rendering. For example +# MATHJAX_EXTENSIONS = TeX/AMSmath TeX/AMSsymbols +# This tag requires that the tag USE_MATHJAX is set to YES. + +MATHJAX_EXTENSIONS = + +# The MATHJAX_CODEFILE tag can be used to specify a file with javascript pieces +# of code that will be used on startup of the MathJax code. See the MathJax site +# (see: http://docs.mathjax.org/en/latest/output.html) for more details. For an +# example see the documentation. +# This tag requires that the tag USE_MATHJAX is set to YES. + +MATHJAX_CODEFILE = + +# When the SEARCHENGINE tag is enabled doxygen will generate a search box for +# the HTML output. The underlying search engine uses javascript and DHTML and +# should work on any modern browser. Note that when using HTML help +# (GENERATE_HTMLHELP), Qt help (GENERATE_QHP), or docsets (GENERATE_DOCSET) +# there is already a search function so this one should typically be disabled. +# For large projects the javascript based search engine can be slow, then +# enabling SERVER_BASED_SEARCH may provide a better solution. It is possible to +# search using the keyboard; to jump to the search box use + S +# (what the is depends on the OS and browser, but it is typically +# , /