better count constants as operands of instructions

[r21407]

diff --git a/ir/stat/firmstat.c b/ir/stat/firmstat.c
index f665ee9..e1d6fa1 100644 (file)
--- a/ir/stat/firmstat.c
+++ b/ir/stat/firmstat.c
@@ -989,12 +989,6 @@ static void update_node_stat(ir_node *node, void *env)
        /* handle statistics for special node types */
 
        switch (op->code) {
-       case iro_Const:
-               if (status->stat_options & FIRMSTAT_COUNT_CONSTS) {
-                       /* check properties of constants */
-                       stat_update_const(status, node, graph);
-               }  /* if */
-               break;
        case iro_Call:
                /* check for properties that depends on calls like recursion/leaf/indirect call */
                stat_update_call(node, graph);
@@ -1010,6 +1004,20 @@ static void update_node_stat(ir_node *node, void *env)
        default:
                ;
        }  /* switch */
+
+       /* we want to count the constant IN nodes, not the CSE'ed constant's itself */
+       if (status->stat_options & FIRMSTAT_COUNT_CONSTS) {
+               int i;
+
+               for (i = get_irn_arity(node) - 1; i >= 0; --i) {
+                       ir_node *pred = get_irn_n(node, i);
+
+                       if (is_Const(pred)) {
+                               /* check properties of constants */
+                               stat_update_const(status, pred, graph);
+                       }  /* if */
+               }  /* for */
+       }  /* if */
 }  /* update_node_stat */
 
 /**