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| author | Rafael Espindola <rafael.espindola@gmail.com> | 2015-04-06 14:51:01 +0000 |
|---|---|---|
| committer | Rafael Espindola <rafael.espindola@gmail.com> | 2015-04-06 14:51:01 +0000 |
| commit | 1c7fc3e3aee6f1f71065ce516a85bdeed71d5565 (patch) | |
| tree | 900ce803a29b3da418cd1f256d0ddb8087c617ec /llvm/cmake/modules/AddLLVM.cmake | |
| parent | 9c5701ffcff34b320da4bfef7beccda869bdfd58 (diff) | |
| download | bcm5719-llvm-1c7fc3e3aee6f1f71065ce516a85bdeed71d5565.tar.gz bcm5719-llvm-1c7fc3e3aee6f1f71065ce516a85bdeed71d5565.zip | |
Don't pass -O3 to the linker in debug builds.
This takes linking clang in a debug build with gold form 19.518925697 to
16.406388685 seconds.
llvm-svn: 234160
Diffstat (limited to 'llvm/cmake/modules/AddLLVM.cmake')
| -rw-r--r-- | llvm/cmake/modules/AddLLVM.cmake | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/cmake/modules/AddLLVM.cmake b/llvm/cmake/modules/AddLLVM.cmake index 5d906bbc1be..af51f731cee 100644 --- a/llvm/cmake/modules/AddLLVM.cmake +++ b/llvm/cmake/modules/AddLLVM.cmake @@ -159,8 +159,10 @@ endif() function(add_link_opts target_name) # Pass -O3 to the linker. This enabled different optimizations on different - # linkers. - if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin" OR WIN32)) + # linkers. Don't do it in debug builds since it slows down the linker + # in a context where the optimizations are not important. + if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin" OR WIN32) AND + NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG") set_property(TARGET ${target_name} APPEND_STRING PROPERTY LINK_FLAGS " -Wl,-O3") endif() |
