X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firgwalk.c;h=e34402d587528d3da2551122512b4f3f9aa5e9b4;hb=346dfddce9be4420855b06ea40d2bf21dad9bc88;hp=058b1c6f246d3fcd1fcc7392036e41297136ced8;hpb=01301d705420c1c44e5b2a833b6bf665bb7fc723;p=libfirm diff --git a/ir/ir/irgwalk.c b/ir/ir/irgwalk.c index 058b1c6f2..e34402d58 100644 --- a/ir/ir/irgwalk.c +++ b/ir/ir/irgwalk.c @@ -34,7 +34,10 @@ #include "eset.h" #include "array.h" -/* walk over an interprocedural graph (callgraph). Visits only graphs in irg_set. */ +/** + * Walk over an interprocedural graph (callgraph). + * Visits only graphs in irg_set. + */ static void irg_walk_cg(ir_node * node, int visited, eset * irg_set, irg_walk_func *pre, irg_walk_func *post, void * env) { int i; @@ -105,13 +108,15 @@ static void irg_walk_cg(ir_node * node, int visited, eset * irg_set, } -/* Insert all ir_graphs in irg_set, that are (transitive) reachable. */ +/** + * Insert all ir_graphs in irg_set, that are (transitive) reachable. + */ static void collect_irgs(ir_node * node, eset * irg_set) { if (get_irn_op(node) == op_Call) { int i; for (i = get_Call_n_callees(node) - 1; i >= 0; --i) { entity * ent = get_Call_callee(node, i); - ir_graph * irg = ent ? get_entity_irg(ent) : NULL; + ir_graph * irg = get_entity_irg(ent); if (irg && !eset_contains(irg_set, irg)) { eset_insert(irg_set, irg); irg_walk_graph(irg, (irg_walk_func *) collect_irgs, NULL, irg_set); @@ -208,16 +213,16 @@ void irg_walk(ir_node *node, irg_walk_func *pre, irg_walk_func *post, void *env) { assert(node && node->kind==k_ir_node); - if (interprocedural_view) { + if (get_interprocedural_view()) { eset * irg_set = eset_create(); int visited; ir_graph * irg; assert(get_irp_ip_view_state() == ip_view_valid); - interprocedural_view = false; + set_interprocedural_view(false); eset_insert(irg_set, current_ir_graph); irg_walk(node, (irg_walk_func *) collect_irgs, NULL, irg_set); - interprocedural_view = true; + set_interprocedural_view(true); visited = get_max_irg_visited() + 1; for (irg = eset_first(irg_set); irg; irg = eset_next(irg_set)) { set_irg_visited(irg, visited); @@ -231,7 +236,9 @@ void irg_walk(ir_node *node, irg_walk_func *pre, irg_walk_func *post, void *env) return; } - +/* + * walk over a graph + */ void irg_walk_graph(ir_graph *irg, irg_walk_func *pre, irg_walk_func *post, void *env) { ir_graph * rem = current_ir_graph; @@ -266,14 +273,14 @@ static INLINE ir_graph * switch_irg (ir_node *n, int index) { ir_graph *old_current = current_ir_graph; - if (interprocedural_view) { + if (get_interprocedural_view()) { /* Only Filter and Block nodes can have predecessors in other graphs. */ if (get_irn_op(n) == op_Filter) n = get_nodes_block(n); if (get_irn_op(n) == op_Block) { ir_node *cfop = skip_Proj(get_Block_cfgpred(n, index)); if (is_ip_cfop(cfop)) { - current_ir_graph = get_irn_irg(cfop); + current_ir_graph = get_irn_irg(cfop); } } } @@ -312,9 +319,9 @@ cg_walk_2(ir_node *node, irg_walk_func *pre, irg_walk_func *post, void * env) void cg_walk(irg_walk_func *pre, irg_walk_func *post, void *env) { int i; ir_graph *rem = current_ir_graph; - int rem_view = interprocedural_view; + int rem_view = get_interprocedural_view(); - interprocedural_view = true; + set_interprocedural_view(true); inc_max_irg_visited(); /* Fix all irg_visited flags */ @@ -363,7 +370,7 @@ void cg_walk(irg_walk_func *pre, irg_walk_func *post, void *env) { } } - interprocedural_view = rem_view; + set_interprocedural_view(rem_view); current_ir_graph = rem; } @@ -422,7 +429,7 @@ void irg_block_walk(ir_node *node, irg_walk_func *pre, irg_walk_func *post, void stat_irg_block_walk(current_ir_graph, node, (void *)pre, (void *)post); assert(node); - assert(!interprocedural_view); /* interprocedural_view not implemented, because it + assert(!get_interprocedural_view()); /* interprocedural_view not implemented, because it * interleaves with irg_walk */ inc_irg_block_visited(current_ir_graph); if (is_no_Block(node)) block = get_nodes_block(node); else block = node; @@ -453,7 +460,9 @@ void irg_block_walk(ir_node *node, irg_walk_func *pre, irg_walk_func *post, void return; } - +/* + * walk over a graph block wise + */ void irg_block_walk_graph(ir_graph *irg, irg_walk_func *pre, irg_walk_func *post, void *env) { ir_graph * rem = current_ir_graph; @@ -470,7 +479,9 @@ typedef struct walk_env { void *env; } walk_env; -/* Walk to all constant expressions in this entity. */ +/** + * Walk to all constant expressions in this entity. + */ static void walk_entity(entity *ent, void *env) { walk_env *my_env = (walk_env *)env; @@ -480,9 +491,9 @@ static void walk_entity(entity *ent, void *env) irg_walk(get_atomic_ent_value(ent), my_env->pre, my_env->post, my_env->env); } else { - int i, n = get_compound_ent_n_values(ent); + int i, n_vals = get_compound_ent_n_values(ent); - for (i = 0; i < n; i++) + for (i = 0; i < n_vals; i++) irg_walk(get_compound_ent_value(ent, i), my_env->pre, my_env->post, my_env->env); } } @@ -513,11 +524,10 @@ void walk_const_code(irg_walk_func *pre, irg_walk_func *post, void *env) { type *tp = get_irp_type(i); if (is_array_type(tp)) { for (j = 0; j < get_array_n_dimensions(tp); j++) { - ir_node *n; - n = get_array_lower_bound(tp, j); - if (n) irg_walk(n, pre, post, env); - n = get_array_upper_bound(tp, j); - if (n) irg_walk(n, pre, post, env); + ir_node *n = get_array_lower_bound(tp, j); + if (n) irg_walk(n, pre, post, env); + n = get_array_upper_bound(tp, j); + if (n) irg_walk(n, pre, post, env); } } }