[r28038]

[r28037]

[r28036]

[r28035]

[r28034]

[r28033]

[r28032]

[r28031]

[r28030]

[r28028]

[r28023]

[r28022]

[r28021]

[r28020]

differentiate between Bad and Deleted (because of exchange) nodes, this avoid some invalid memory accesses when trying to get irg from a Bad node

[r28019]

[r28018]

[r28017]

[r28016]

[r28015]

[r28014]

[r28013]

[r28012]

optimisations work independently of current_ir_graph now, no need to set/restore it in node construction anymore

[r28011]

[r28010]

eliminate the unnecessary and especially confusing concept of a 'code_generator' an isa-interface is enough

[r28009]

[r28008]

[r28004]

[r28003]

[r28002]

[r28001]

[r28000]

[r27999]

[r27998]

[r27997]

[r27996]

[r27995]

[r27994]

[r27993]

[r27992]

[r27991]