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Previously a Bad node was returned which could hide problems and more
importantly you create new nodes (the BadBB) in an operation that apparently
only queries the graph.

It has been empty for nearly all systems. People who used to put stuff
in config.h can still create a config.h on their own and inject
-include (gcc) or /FI (msvc) into their CPPFLAGS.

Just state the copyright and the project the files belong to. You can
then find the COPYING file for the whole project.

public functions are already documented in their headers, no need to
repeat the comment at the definition site.

The new interface uses no complicated callbacks anymore, but is a simple
ir_node* -> void* nodemap. Adapted all users of ir_phase for this.

[r28221]

Note that this is an ugly change because ALL index variables used inside
bitset_foreach() MUST be switched to size_t now, or the magical

elm != (size_t) -1;

will fail :-(

[r28199]

[r28127]

[r28030]

[r27924]

cleanup irphase: phase_reinit is a special case and doesn't polute the main callback interface anymore

[r27709]

[r27548]

[r27300]

[r27293]

- rework ir_phase API
(sorry for mixing these 2 things into 1 commit)

[r27285]

[r27277]

[r27153]

[r26468]

[r26408]

[r22889]

[r22843]

- move stat_ev declarations AFTER all others, else it will end in non C89 if stat_ev is diabled

[r22775]

Good day and welcome to the FIRM XMALLOC*() macros.  These macros are provided for the type safety and convenience of the IPD research facility personnel.  The time is 15:32.  Check xmalloc.h for details.

[r22494]