Keep flag added

[libfirm] / ir / be / beirgmod.c

diff --git a/ir/be/beirgmod.c b/ir/be/beirgmod.c
index 45f66c9..b668c31 100644 (file)
--- a/ir/be/beirgmod.c
+++ b/ir/be/beirgmod.c
@@ -4,6 +4,12 @@
 
 #include <stdlib.h>
 
+#ifdef WIN32
+#include <malloc.h>
+#else
+#include <alloca.h>
+#endif
+
 #include "hashptr.h"
 #include "pdeq.h"
 #include "pset.h"
@@ -409,8 +415,7 @@ void be_introduce_copies_ignore(dom_front_info_t *info, ir_node *orig,
 
 }
 
-void be_introduce_copies(dom_front_info_t *info, ir_node *orig,
-               int n, ir_node *copy_nodes[])
+void be_introduce_copies(dom_front_info_t *info, ir_node *orig, int n, ir_node *copy_nodes[])
 {
        static pset *empty_set = NULL;
 
@@ -419,3 +424,24 @@ void be_introduce_copies(dom_front_info_t *info, ir_node *orig,
 
        be_introduce_copies_ignore(info, orig, n, copy_nodes, empty_set);
 }
+
+void be_introduce_copies_pset(dom_front_info_t *info, pset *nodes) {
+       int i, n = pset_count(nodes);
+       ir_node *orig, *irn, **copy_nodes;
+       static pset *empty_set = NULL;
+
+       if (n<2)
+               return;
+
+       copy_nodes = alloca((n-1)*sizeof(*copy_nodes));
+       irn = pset_first(nodes);
+       orig = irn;
+       for (i=0, irn = pset_next(nodes); irn; irn=pset_next(nodes))
+               copy_nodes[i++] = irn;
+
+
+       if(!empty_set)
+               empty_set = pset_new_ptr_default();
+
+       be_introduce_copies_ignore(info, orig, n-1, copy_nodes, empty_set);
+}