X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeirgmod.c;h=dc3ee7a030e793ea96401a8bb74939dbce004744;hb=040868cbcb834457c8195efbbccf221123c7f153;hp=cfcbac607555d0569b571ca0832f10bc7425f86b;hpb=cf9c1673146d1f45d46ceb77eccfaf10fedff25d;p=libfirm diff --git a/ir/be/beirgmod.c b/ir/be/beirgmod.c index cfcbac607..dc3ee7a03 100644 --- a/ir/be/beirgmod.c +++ b/ir/be/beirgmod.c @@ -53,6 +53,7 @@ #include "iredges_t.h" #include "irgraph_t.h" #include "irgopt.h" +#include "irgmod.h" #include "irprintf_t.h" #include "irgwalk.h" @@ -192,7 +193,7 @@ static void remove_empty_block(ir_node *block) } /* there can be some non-scheduled Pin nodes left in the block, move them - * to the succ block */ + * to the succ block (Pin) or pred block (Sync) */ foreach_out_edge_safe(block, edge, next) { node = get_edge_src_irn(edge); @@ -212,11 +213,16 @@ static void remove_empty_block(ir_node *block) set_nodes_block(node, get_nodes_block(pred)); continue; } + if (is_End(node)) { /* End-keep, reroute it to the successor */ + int pos = get_edge_src_pos(edge); + set_irn_n(node, pos, succ_block); + continue; + } panic("Unexpected node %+F in block %+F with empty schedule", node, block); } set_Block_cfgpred(block, 0, new_Bad()); - be_kill_node(jump); + kill_node(jump); blocks_removed = 1; /* check predecessor */ @@ -239,7 +245,7 @@ int be_remove_empty_blocks(ir_graph *irg) blocks_removed = 0; - set_using_irn_visited(irg); + ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED); inc_irg_visited(irg); remove_empty_block(get_irg_end_block(irg)); end = get_irg_end(irg); @@ -250,13 +256,14 @@ int be_remove_empty_blocks(ir_graph *irg) continue; remove_empty_block(pred); } - clear_using_irn_visited(irg); + ir_free_resources(irg, IR_RESOURCE_IRN_VISITED); if (blocks_removed) { /* invalidate analysis info */ set_irg_doms_inconsistent(irg); set_irg_extblk_inconsistent(irg); set_irg_outs_inconsistent(irg); + set_irg_loopinfo_inconsistent(irg); } return blocks_removed; }