fixed indentation

[libfirm] / ir / be / beutil.c

diff --git a/ir/be/beutil.c b/ir/be/beutil.c
index afec85b..6e6abf2 100644 (file)
--- a/ir/be/beutil.c
+++ b/ir/be/beutil.c
@@ -38,18 +38,18 @@
 #include "irgopt.h"
 #include "irtools.h"
 #include "irprintf.h"
-#include "iredges.h"
+#include "iredges_t.h"
 
 #include "beutil.h"
-#include "besched_t.h"
-#include "bearch_t.h"
+#include "besched.h"
+#include "bearch.h"
 
 /* Get an always empty set. */
 pset *be_empty_set(void)
 {
        static pset *empty_set = NULL;
 
-       if(!empty_set)
+       if (!empty_set)
                empty_set = pset_new_ptr(1);
 
        assert(pset_count(empty_set) == 0);
@@ -74,7 +74,8 @@ static int sched_edge_hook(FILE *F, ir_node *irn)
        return 1;
 }
 
-void dump_ir_block_graph_sched(ir_graph *irg, const char *suffix) {
+void dump_ir_block_graph_sched(ir_graph *irg, const char *suffix)
+{
        DUMP_NODE_EDGE_FUNC old = get_dump_node_edge_hook();
 
        dump_consts_local(0);
@@ -84,7 +85,8 @@ void dump_ir_block_graph_sched(ir_graph *irg, const char *suffix) {
        set_dump_node_edge_hook(old);
 }
 
-void dump_ir_extblock_graph_sched(ir_graph *irg, const char *suffix) {
+void dump_ir_extblock_graph_sched(ir_graph *irg, const char *suffix)
+{
        DUMP_NODE_EDGE_FUNC old = get_dump_node_edge_hook();
 
        dump_consts_local(0);
@@ -100,7 +102,8 @@ void dump_ir_extblock_graph_sched(ir_graph *irg, const char *suffix) {
  * @param suffix A suffix to its file name.
  * @param dumper The dump function
  */
-void be_dump(ir_graph *irg, const char *suffix, void (*dumper)(ir_graph *, const char *)) {
+void be_dump(ir_graph *irg, const char *suffix, void (*dumper)(ir_graph *, const char *))
+{
        static ir_graph *last_irg = NULL;
        static int       nr       = 0;
        char             buf[128];
@@ -115,28 +118,9 @@ void be_dump(ir_graph *irg, const char *suffix, void (*dumper)(ir_graph *, const
        dumper(irg, buf);
 }
 
-
-
-static void collect_phis(ir_node *irn, void *data)
-{
-       (void) data;
-       if(is_Phi(irn)) {
-               ir_node *bl = get_nodes_block(irn);
-               set_irn_link(irn, get_irn_link(bl));
-               set_irn_link(bl, irn);
-       }
-}
-
 void be_clear_links(ir_graph *irg)
 {
-       ir_reserve_resources(irg, IR_RESOURCE_IRN_LINK);
        irg_walk_graph(irg, firm_clear_link, NULL, NULL);
-       ir_free_resources(irg, IR_RESOURCE_IRN_LINK);
-}
-
-void be_collect_phis(ir_graph *irg)
-{
-       irg_walk_graph(irg, collect_phis, NULL, NULL);
 }
 
 static void count_num_reachable_nodes(ir_node *irn, void *env)
@@ -146,7 +130,8 @@ static void count_num_reachable_nodes(ir_node *irn, void *env)
        (void) irn;
 }
 
-unsigned get_num_reachable_nodes(ir_graph *irg) {
+unsigned get_num_reachable_nodes(ir_graph *irg)
+{
        int num = 0;
        irg_walk_graph(irg, count_num_reachable_nodes, NULL, &num);
        return num;
@@ -155,7 +140,8 @@ unsigned get_num_reachable_nodes(ir_graph *irg) {
 /**
  * Gets the Proj with number pn from irn.
  */
-ir_node *be_get_Proj_for_pn(const ir_node *irn, long pn) {
+ir_node *be_get_Proj_for_pn(const ir_node *irn, long pn)
+{
        const ir_edge_t *edge;
        ir_node         *proj;
        assert(get_irn_mode(irn) == mode_T && "need mode_T");
@@ -170,7 +156,8 @@ ir_node *be_get_Proj_for_pn(const ir_node *irn, long pn) {
        return NULL;
 }
 
-FILE *be_ffopen(const char *base, const char *ext, const char *mode) {
+FILE *be_ffopen(const char *base, const char *ext, const char *mode)
+{
        FILE *out;
        char buf[1024];
 
@@ -182,3 +169,32 @@ FILE *be_ffopen(const char *base, const char *ext, const char *mode) {
        }
        return out;
 }
+
+static void add_to_postorder(ir_node *block, void *data)
+{
+       ir_node ***list = (ir_node***) data;
+       ARR_APP1(ir_node*, *list, block);
+}
+
+ir_node **be_get_cfgpostorder(ir_graph *irg)
+{
+       ir_node **list      = NEW_ARR_F(ir_node*, 0);
+       ir_node  *end_block = get_irg_end_block(irg);
+
+       /* end block may be unreachable in case of endless loops */
+       if (get_Block_n_cfgpreds(end_block) == 0)
+               ARR_APP1(ir_node*, list, end_block);
+
+       /* walk blocks */
+       irg_block_edges_walk(get_irg_start_block(irg), NULL, add_to_postorder,
+                            &list);
+
+       return list;
+}
+
+ir_node *get_first_block_succ(const ir_node *block)
+{
+       const ir_edge_t *edge = get_irn_out_edge_first_kind(block, EDGE_KIND_BLOCK);
+       assert(edge != NULL);
+       return get_edge_src_irn(edge);
+}