Implement interprocedural optimization for GNU compilers

Honor the `INTERPROCEDURAL_OPTIMIZATION` target property for GNU
compilers by activating their link-time-optimization (LTO) flags.
This commit is contained in:
Ruslan Baratov
2017-03-28 14:47:42 +08:00
committed by Brad King
parent 1588a577d1
commit dfa8263f4b
8 changed files with 103 additions and 14 deletions
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GCC IPO
-------
* Interprocedural optimization (IPO) is now supported for GNU
compilers using link time optimization (LTO) flags. See the
:prop_tgt:`INTERPROCEDURAL_OPTIMIZATION` target property and
:module:`CheckIPOSupported` module.