[r17432]

[r17419]

[r17418]

[r17417]

[r17415]

[r17408]

[r17404]

[r17403]

rename set_using_visited to set_using_irn_visited, some cosmetics, remove obsolete irflag functions from public headers

[r17400]

[r17399]

[r17391]

[r17390]

[r17388]

[r17386]

[r17385]

[r17384]

[r17383]

[r17382]

[r17381]

[r17380]

[r17379]

[r17378]

[r17377]

[r17376]

[r17375]

[r17374]

[r17372]

[r17371]

- allocating helper data on an additional obstack that can be easily freed

[r17370]

[r17369]

[r17368]

- allocating helper data on an additional obstack that can be easily freed
- fixed indentation
- moved ir_lopp generic functions to irloop.c

[r17367]

- allocating helper data an additional obstack that can be easily freed
- fixed indentation

[r17366]

[r17356]

[r17340]

- add missing skip_Proj()
- do not kill control flow from a dead block WITHOUT setting this block to dead
- fixed warning

[r17339]

when setting a block to dead, set its dom_depth to -1 to indicate that no dominance is avalable. It might not be possible to update the dom_info anymore!

[r17338]

[r17337]

[r17332]

[r17321]