X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firgmod.c;h=fa26791c494894ee2b3821c3f654eef6df92cc8d;hb=a08e6f04aa3669cff094f94a9484c7c2bb1314d0;hp=4703857e2828b48541f3040f73228de594b42f3b;hpb=200ec7bb313d2a15abfffb2e782481e2466dd885;p=libfirm diff --git a/ir/ir/irgmod.c b/ir/ir/irgmod.c index 4703857e2..fa26791c4 100644 --- a/ir/ir/irgmod.c +++ b/ir/ir/irgmod.c @@ -47,11 +47,12 @@ void turn_into_tuple(ir_node *node, int arity) { ir_graph *irg = get_irn_irg(node); ir_node **in = ALLOCAN(ir_node*, arity); + ir_node *bad = new_r_Bad(irg, mode_ANY); int i; /* construct a new in array, with every input being bad */ for (i = 0; i < arity; ++i) { - in[i] = new_r_Bad(irg); + in[i] = bad; } set_irn_in(node, arity, in); set_irn_op(node, op_Tuple); @@ -82,9 +83,9 @@ void exchange(ir_node *old, ir_node *nw) /* copy all dependencies from old to new */ add_irn_deps(nw, old); - edges_reroute(old, nw, irg); - edges_reroute_kind(old, nw, EDGE_KIND_DEP, irg); - edges_node_deleted(old, irg); + edges_reroute(old, nw); + edges_reroute_kind(old, nw, EDGE_KIND_DEP); + edges_node_deleted(old); /* noone is allowed to reference this node anymore */ set_irn_op(old, op_Deleted); } else { @@ -111,6 +112,10 @@ void exchange(ir_node *old, ir_node *nw) old->in[0] = block; old->in[1] = nw; } + + /* update irg flags */ + set_irg_outs_inconsistent(irg); + set_irg_loopinfo_inconsistent(irg); } /*--------------------------------------------------------------------*/ @@ -164,11 +169,11 @@ static void move(ir_node *node, ir_node *from_bl, ir_node *to_bl) /* move its Projs */ if (get_irn_mode(node) == mode_T) { - ir_node *proj = get_irn_link(node); + ir_node *proj = (ir_node*)get_irn_link(node); while (proj) { if (get_nodes_block(proj) == from_bl) set_nodes_block(proj, to_bl); - proj = get_irn_link(proj); + proj = (ir_node*)get_irn_link(proj); } } @@ -188,7 +193,7 @@ static void move(ir_node *node, ir_node *from_bl, ir_node *to_bl) * Moves node and all predecessors of node from from_bl to to_bl. * Does not move predecessors of Phi nodes (or block nodes). */ -static void move_alt(ir_node *node, ir_node *from_bl, ir_node *to_bl) +static void move_edges(ir_node *node, ir_node *from_bl, ir_node *to_bl) { int i, arity; @@ -216,26 +221,24 @@ static void move_alt(ir_node *node, ir_node *from_bl, ir_node *to_bl) for (i = 0; i < arity; i++) { ir_node *pred = get_irn_n(node, i); if (get_nodes_block(pred) == from_bl) - move(pred, from_bl, to_bl); + move_edges(pred, from_bl, to_bl); } } void part_block(ir_node *node) { - ir_node *new_block, *old_block; - ir_node *phi, *jmp; - ir_graph *rem = current_ir_graph; + ir_graph *irg = get_irn_irg(node); + ir_node *new_block, *old_block; + ir_node *phi, *jmp; /* Turn off optimizations so that blocks are not merged again. */ int rem_opt = get_opt_optimize(); set_optimize(0); - current_ir_graph = get_irn_irg(node); - /* Transform the control flow */ old_block = get_nodes_block(node); - new_block = new_Block(get_Block_n_cfgpreds(old_block), - get_Block_cfgpred_arr(old_block)); + new_block = new_r_Block(irg, get_Block_n_cfgpreds(old_block), + get_Block_cfgpred_arr(old_block)); /* create a jump from new_block to old_block, which is now the lower one */ jmp = new_r_Jmp(new_block); @@ -254,14 +257,15 @@ void part_block(ir_node *node) } set_optimize(rem_opt); - current_ir_graph = rem; } ir_node *part_block_edges(ir_node *node) { + ir_graph *irg = get_irn_irg(node); ir_node *old_block = get_nodes_block(node); - ir_node *new_block = new_Block(get_Block_n_cfgpreds(old_block), - get_Block_cfgpred_arr(old_block)); + ir_node *new_block = new_r_Block(irg, + get_Block_n_cfgpreds(old_block), + get_Block_cfgpred_arr(old_block)); const ir_edge_t *edge; const ir_edge_t *next; @@ -269,7 +273,7 @@ ir_node *part_block_edges(ir_node *node) set_irn_in(old_block, 0, NULL); /* move node and its predecessors to new_block */ - move_alt(node, old_block, new_block); + move_edges(node, old_block, new_block); /* move Phi nodes to new_block */ foreach_out_edge_safe(old_block, edge, next) { @@ -285,11 +289,10 @@ ir_node *part_block_edges(ir_node *node) void kill_node(ir_node *node) { ir_graph *irg = get_irn_irg(node); - ir_node *bad = get_irg_bad(irg); - int i; - for (i = get_irn_arity(node) - 1; i >= -1; --i) { - set_irn_n(node, i, bad); + if (edges_activated(irg)) { + edges_node_deleted(node); } - exchange(node, bad); + /* noone is allowed to reference this node anymore */ + set_irn_op(node, op_Deleted); }