clarify some node comments

[libfirm] / ir / opt / opt_blocks.c

diff --git a/ir/opt/opt_blocks.c b/ir/opt/opt_blocks.c
index 6b66643..47fccb6 100644 (file)
--- a/ir/opt/opt_blocks.c
+++ b/ir/opt/opt_blocks.c
@@ -21,7 +21,6 @@
  * @file
  * @brief   Combining congruent blocks
  * @author  Michael Beck
- * @version $Id$
  *
  * This phase find congruent blocks.
  * Two block are congruent, if they contains only equal calculations.
@@ -40,7 +39,7 @@
 #include "set.h"
 #include "irpass.h"
 #include "debug.h"
-#include "irtools.h"
+#include "util.h"
 
 /* define this for general block shaping: congruent blocks
    are found not only before the end block but anywhere in the graph */
@@ -155,7 +154,7 @@ typedef struct listmap_t {
 DEBUG_ONLY(static firm_dbg_module_t *dbg;)
 
 /** Next partition number. */
-DEBUG_ONLY(static unsigned part_nr = 0);
+DEBUG_ONLY(static unsigned part_nr = 0;)
 
 #ifdef DEBUG_libfirm
 /**
@@ -293,7 +292,7 @@ static partition_t *create_partition(ir_node *meet_block, environment_t *env)
        INIT_LIST_HEAD(&part->blocks);
        part->meet_block = meet_block;
        part->n_blocks   = 0;
-       DEBUG_ONLY(part->nr = part_nr++);
+       DEBUG_ONLY(part->nr = part_nr++;)
        list_add_tail(&part->part_list, &env->partitions);
        return part;
 }  /* create_partition */
@@ -1203,7 +1202,7 @@ int shape_blocks(ir_graph *irg)
        /* register a debug mask */
        FIRM_DBG_REGISTER(dbg, "firm.opt.blocks");
 
-       DEBUG_ONLY(part_nr = 0);
+       DEBUG_ONLY(part_nr = 0;)
        DB((dbg, LEVEL_1, "Shaping blocks for %+F\n", irg));
 
        /* works better, when returns are placed at the end of the blocks */
@@ -1261,11 +1260,8 @@ int shape_blocks(ir_graph *irg)
 
        if (res) {
                /* control flow changed */
-               set_irg_extblk_inconsistent(irg);
-               set_irg_doms_inconsistent(irg);
-
-               /* Calls might be removed. */
-               set_trouts_inconsistent();
+               clear_irg_state(irg, IR_GRAPH_STATE_CONSISTENT_DOMINANCE
+                                  | IR_GRAPH_STATE_VALID_EXTENDED_BLOCKS);
        }
 
        for (bl = env.all_blocks; bl != NULL; bl = bl->all_next) {