Probably compute_Cmp() can ge removed at all, compute_Proj_Cmp() does the interesting...
[libfirm] / ir / opt / convopt.c
index a143159..eb59084 100644 (file)
@@ -51,6 +51,8 @@
 #include "irgwalk.h"
 #include "irprintf.h"
 #include "irpass_t.h"
+#include "tv.h"
+#include "vrp.h"
 
 DEBUG_ONLY(static firm_dbg_module_t *dbg);
 
@@ -241,7 +243,7 @@ static void try_optimize_cmp(ir_node *node)
        ir_node *right = get_Cmp_right(node);
        ir_node *conv  = NULL;
 
-       if(is_downconv
+       if (is_downconv
 }
 #endif
 
@@ -255,7 +257,7 @@ static void conv_opt_walker(ir_node *node, void *data)
        bool *changed = data;
 
 #if 0
-       if(is_Cmp(node)) {
+       if (is_Cmp(node)) {
                try_optimize_cmp(node);
                return;
        }
@@ -282,7 +284,16 @@ static void conv_opt_walker(ir_node *node, void *data)
 
        transformed = conv_transform(pred, mode);
        if (node != transformed) {
+               vrp_attr *vrp;
+
                exchange(node, transformed);
+               vrp = vrp_get_info(transformed);
+               if (vrp && vrp->valid) {
+                       vrp->range_type = VRP_VARYING;
+                       vrp->bits_set = tarval_convert_to(vrp->bits_set, mode);
+                       vrp->bits_not_set = tarval_convert_to(vrp->bits_not_set, mode);
+               }
+
                *changed = true;
        }
 }