X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firgwalk.c;h=f72afcf8b5b864c147373be46ba23600afc05ead;hb=c25b0f5781313f72027722783ce6286978bdd757;hp=e332d295d681f6fb9e3f971b998cacaac4f7eccc;hpb=8fd12b1714e2024889e81aa4b351d1b6640e1c79;p=libfirm diff --git a/ir/ir/irgwalk.c b/ir/ir/irgwalk.c index e332d295d..f72afcf8b 100644 --- a/ir/ir/irgwalk.c +++ b/ir/ir/irgwalk.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved. + * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. * * This file is part of libFirm. * @@ -36,12 +36,14 @@ #endif #include "irnode_t.h" -#include "irgraph_t.h" /* visited flag */ +#include "irgraph_t.h" #include "irprog.h" #include "irgwalk.h" #include "irhooks.h" #include "ircgcons.h" +#include "entity_t.h" +#include "error.h" #include "pset_new.h" #include "array.h" @@ -273,10 +275,10 @@ void irg_walk(ir_node *node, irg_walk_func *pre, irg_walk_func *post, void *env) pset_new_destroy(&irg_set); } else { #endif - set_using_visited(current_ir_graph); + set_using_irn_visited(current_ir_graph); inc_irg_visited(current_ir_graph); nodes_touched = irg_walk_2(node, pre, post, env); - clear_using_visited(current_ir_graph); + clear_using_irn_visited(current_ir_graph); #ifdef INTERPROCEDURAL_VIEW } #endif @@ -425,10 +427,10 @@ void irg_walk_in_or_dep(ir_node *node, irg_walk_func *pre, irg_walk_func *post, if (get_interprocedural_view()) { assert(0 && "This is not yet implemented."); } else { - set_using_visited(current_ir_graph); + set_using_irn_visited(current_ir_graph); inc_irg_visited(current_ir_graph); nodes_touched = irg_walk_in_or_dep_2(node, pre, post, env); - clear_using_visited(current_ir_graph); + clear_using_irn_visited(current_ir_graph); } return; } @@ -563,15 +565,12 @@ void cg_walk(irg_walk_func *pre, irg_walk_func *post, void *env) { /* Walks back from n until it finds a real cf op. */ static ir_node *get_cf_op(ir_node *n) { - ir_node *pred; - - n = skip_Id(n); - n = skip_Tuple(n); - pred = skip_Proj(n); - if (!(is_cfop(pred) || is_fragile_op(pred) || is_Bad(pred))) - n = get_cf_op(n); - - return skip_Proj(n); + while (!is_cfop(n) && !is_fragile_op(n) && !is_Bad(n)) { + n = skip_Id(n); + n = skip_Tuple(n); + n = skip_Proj(n); + } + return n; } static void irg_block_walk_2(ir_node *node, irg_walk_func *pre, irg_walk_func *post, void *env) @@ -675,6 +674,29 @@ typedef struct walk_env { void *env; } walk_env; +static void walk_initializer(ir_initializer_t *initializer, walk_env *env) +{ + switch(initializer->kind) { + case IR_INITIALIZER_CONST: + irg_walk(initializer->consti.value, env->pre, env->post, env->env); + return; + case IR_INITIALIZER_TARVAL: + case IR_INITIALIZER_NULL: + return; + + case IR_INITIALIZER_COMPOUND: { + size_t i; + for(i = 0; i < initializer->compound.n_initializers; ++i) { + ir_initializer_t *subinitializer + = initializer->compound.initializers[i]; + walk_initializer(subinitializer, env); + } + return; + } + } + panic("invalid initializer found"); +} + /** * Walk to all constant expressions in this entity. */ @@ -683,7 +705,9 @@ static void walk_entity(ir_entity *ent, void *env) walk_env *my_env = (walk_env *)env; if (get_entity_variability(ent) != variability_uninitialized) { - if (is_atomic_entity(ent)) { + if (ent->has_initializer) { + walk_initializer(ent->attr.initializer, my_env); + } else if (is_atomic_entity(ent)) { irg_walk(get_atomic_ent_value(ent), my_env->pre, my_env->post, my_env->env); } else { int i, n_vals = get_compound_ent_n_values(ent);