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cmake: Allow saving clang's optimization records.

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This gives some insight into what the compiler has decided to do
or not do.
This commit is contained in:
Bruce Mitchener 2018-11-30 19:52:57 +07:00
parent 57318bab5b
commit fbc33b20c8
1 changed files with 9 additions and 0 deletions
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9
CMakeLists.txt
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@ -425,6 +425,15 @@ list(APPEND Z3_DEPENDENT_LIBS ${CMAKE_THREAD_LIBS_INIT})
################################################################################
include(${CMAKE_SOURCE_DIR}/cmake/compiler_warnings.cmake)
################################################################################
# Save Clang optimization records
################################################################################
option(SAVE_CLANG_OPTIMIZATION_RECORDS "Enable saving Clang optimization records." OFF)
if (SAVE_CLANG_OPTIMIZATION_RECORDS)
z3_add_cxx_flag("-fsave-optimization-record" REQUIRED)
endif()
################################################################################
# If using Ninja, force color output for Clang (and gcc, disabled to check build).
################################################################################