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Re: [LTO][PATCH] Converting inline failure reason strings to symbol constants


> 
> 2008-09-02  Doug Kwan  <dougkwan@google.com>
> 
>         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
>         enums instead of reason strings.
>         * cgraph.c (cgraph_create_edge): Same.
>         (cgraph_inline_failed_string): New function.
>         * cgraph.h (cgraph_inline_failed_t): New enum type.
>         (cgraph_inline_failed_string): New prototype.
>         (struct cgraph_edge): Change type of INLINED_FAILED from constant
>         char pointer to cgraph_inline_failed_t.
>         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
>         (cgraph_default_inline_p): Ditto.
>         * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
>         to cgraph_inline_failed_t pointer.
>         * lto-cgraph.c (output_edge) Write INLINE_FAILED field of an edge.
>         (input_cgraph_1): Read INLINE_FAILED field of an edge.
>         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
>         reason string.
>         (cgraph_check_inline_limits): Change type of REASON to pointer to
>         cgraph_inline_failed_t.  Replace reason strings with enums.
>         (cgraph_default_inline_p): Ditto.
>         (cgraph_recursive_inlining_p): Ditto.
>         (update_caller_keys): Change type of FAILED_REASON to
>         cgraph_inline_failed_t.
>         (cgraph_set_inline_failed): Change type of REASON to pointer to
>         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
>         convert enums to strings for text output.
>         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
>         to be of type cgraph_inline_failed_t.  Replace reason strings with
>         enums.  Call cgraph_inline_failed_string to covert enums
>         to strings for text output.
>         (cgraph_decide_inlining): Replace reason strings with enums.
>         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
>         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
>         for text output.
>         * tree-inline.c (expand_call_inline): Change type of REASON
>         to cgraph_inline_failed_t.  Replace reason strings with enums.
>         Call cgraph_inline_failed_string for text output.

I brought this part of patch (in the version using .def file) to
pretty-ipa branch to reduce divergence here.

Thanks!
Honza


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