assure_doms() and assure_postdoms() added

[libfirm] / ir / ir / irphase.c

diff --git a/ir/ir/irphase.c b/ir/ir/irphase.c
index 92c1fe9..28f5ac3 100644 (file)
--- a/ir/ir/irphase.c
+++ b/ir/ir/irphase.c
@@ -18,15 +18,10 @@
 #include "irnode_t.h"
 #include "irphase_t.h"
 
-phase_t *phase_new(const char *name, ir_graph *irg, size_t data_size, unsigned growth_factor,
-                   phase_irn_data_init_t *data_init, void *priv)
+phase_t *phase_init(phase_t *ph, const char *name, ir_graph *irg, size_t data_size, unsigned growth_factor, phase_irn_data_init_t *data_init)
 {
-       phase_t *ph;
-
        assert(growth_factor >= 1.0 && "growth factor must greater or equal to 1.0");
 
-       ph = xmalloc(sizeof(ph[0]));
-
        obstack_init(&ph->obst);
 
        ph->name          = name;
@@ -36,7 +31,6 @@ phase_t *phase_new(const char *name, ir_graph *irg, size_t data_size, unsigned g
        ph->irg           = irg;
        ph->n_data_ptr    = 0;
        ph->data_ptr      = NULL;
-       ph->priv          = priv;
 
        return ph;
 }
@@ -44,7 +38,8 @@ phase_t *phase_new(const char *name, ir_graph *irg, size_t data_size, unsigned g
 void phase_free(phase_t *phase)
 {
        obstack_free(&phase->obst, NULL);
-       xfree(phase->data_ptr);
+       if(phase->data_ptr)
+               xfree(phase->data_ptr);
 }
 
 phase_stat_t *phase_stat(const phase_t *phase, phase_stat_t *stat)
@@ -63,3 +58,16 @@ phase_stat_t *phase_stat(const phase_t *phase, phase_stat_t *stat)
        stat->overall_bytes = stat->node_map_bytes + obstack_memory_used(&((phase_t *)phase)->obst);
        return stat;
 }
+
+void phase_reinit_irn_data(phase_t *phase)
+{
+       int i, n;
+
+       if(!phase->data_init)
+               return;
+
+       for(i = 0, n = phase->n_data_ptr; i < n; ++i) {
+               if(phase->data_ptr[i])
+                       phase->data_init(phase, NULL, phase->data_ptr[i]);
+       }
+}