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[script] enable IPO in cmakefile

This commit is contained in:
tangxifan 2022-08-24 14:34:33 -07:00
parent 505b729396
commit f853040875
2 changed files with 37 additions and 8 deletions
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41
CMakeLists.txt
View File

@ -16,12 +16,12 @@ if (${CMAKE_VERSION} VERSION_GREATER "3.8")
endif()
## Set the default build type if not specified
#if(NOT CMAKE_BUILD_TYPE)
# set(CMAKE_BUILD_TYPE Release CACHE STRING
# "Choose the type of build: None, Debug, Release, RelWithDebInfo, MinSizeRel"
# FORCE)
#endif()
#message(STATUS "CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release CACHE STRING
"Choose the type of build: None, Debug, Release, RelWithDebInfo, MinSizeRel"
FORCE)
endif()
message(STATUS "CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_BINARY_DIR})
message("CMAKE_SOURCE_DIR: ${CMAKE_SOURCE_DIR}")
@ -34,6 +34,10 @@ if (CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
set (CMAKE_INSTALL_PREFIX "${CMAKE_BINARY_DIR}" CACHE PATH "default install path" FORCE)
endif()
set(OPENFPGA_IPO_BUILD "auto" CACHE STRING "Should OpenFPGA be compiled with interprocedural compiler optimizations?")
set_property(CACHE OPENFPGA_IPO_BUILD PROPERTY STRINGS auto on off)
#Allow the user to configure how much assertion checking should occur
set(VTR_ASSERT_LEVEL "2" CACHE STRING "VTR assertion checking level. 0: no assertions, 1: fast assertions, 2: regular assertions, 3: additional assertions with noticable run-time overhead, 4: all assertions (including those with significant run-time cost)")
set_property(CACHE VTR_ASSERT_LEVEL PROPERTY STRINGS 0 1 2 3 4)
@ -66,6 +70,31 @@ set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF) #No compiler specific extensions
#
# Interprocedural optimization
#
# Note that we manually clear the INTERPROCEDURAL_OPTIMIZATION flag on ABC later
# to avoid cmake warnings
include(CheckIPOSupported)
check_ipo_supported(RESULT IPO_SUPPORTED)
if (VTR_IPO_BUILD STREQUAL "on")
if (IPO_SUPPORTED)
message(STATUS "Building with IPO: on")
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
else()
message(ERROR "Building with IPO unsupported with this compiler!")
endif()
elseif(VTR_IPO_BUILD STREQUAL "auto")
if (IPO_SUPPORTED AND NOT CMAKE_BUILD_TYPE STREQUAL "debug")
message(STATUS "Building with IPO: on (auto)")
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
else()
message(STATUS "Building with IPO: off (auto)")
endif()
else()
message(STATUS "Building with IPO: off")
endif()
if(NOT MSVC)
# for GCC and Clang
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -O0 -g3")

4
openfpga/CMakeLists.txt
View File

@ -37,8 +37,8 @@ target_link_libraries(openfpga libopenfpga)
#Supress IPO link warnings if IPO is enabled
get_target_property(OPENFPGA_USES_IPO openfpga INTERPROCEDURAL_OPTIMIZATION)
if (OPENFPGS_USES_IPO)
set_target_properties(openfpga PROPERTIES LINK_FLAGS ${IPO_LINK_WARN_SUPRESS_FLAGS})
if (OPENFPGA_USES_IPO)
set_property(TARGET openfpga APPEND PROPERTY LINK_FLAGS ${IPO_LINK_WARN_SUPRESS_FLAGS})
endif()
install(TARGETS libopenfpga openfpga DESTINATION bin)