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There are no middleend jump nodes at this point anymore.

The ILP blockscheduler couldn't create optimal schedules anyway (because
we heuristically inserted loop breakers into the ILP)

* No \n at end; panic() adds one
* No punctuation mark at end
* Lowercase first letter

The previous approach put the irg link into the block attributes, so
while saving memory an extra indirection was necessary. Some testing
with valgrind massif+callgrind revealed that a direct link increses peak
memory usage by ~1% while also increasing runtime by ~1%. More
importantly the code gets a bit simpler and some strange corner cases can be
removed with the direct link.

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.

lpp: call the constraint types lpp_{less|greater}_equal because they are a {less|greater} equal operation

[r28127]

[r28030]

[r27924]

[r27702]

[r27693]