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Götz Lindenmaier authored
backedges (ana/backedge.h) and to represent loops (ana/irloop.h). The scc algorithm (ana/irscc.c) builds both datastructures. The algorithm does not yet work properly for interprocedural graphs. Finds more loops than only recursions. Improved place_code: now moves nodes out of loops. Fixed bug in iropt.c: wrong parameter in debug info: iropt_dbg.c Now flag set_opt_control_flow can be set to 1 again. [r457]
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