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Details that -debug-only is not available when LLVM is built with --enable-optimized 

llvm-svn: 218447
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Sylvestre Ledru 2014-09-25 10:57:00 +00:00
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llvm/docs/ProgrammersManual.rst
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@ -425,6 +425,8 @@ name is specified. This allows, for example, all debug information for
instruction scheduling to be enabled with ``-debug-only=InstrSched``, even if
the source lives in multiple files.
For performance reasons, -debug-only is not available in optimized build (``--enable-optimized``) of LLVM.
The ``DEBUG_WITH_TYPE`` macro is also available for situations where you would
like to set ``DEBUG_TYPE``, but only for one specific ``DEBUG`` statement. It
takes an additional first parameter, which is the type to use. For example, the