amd64: Added Load and FrameAddr transformation. And fixed some corruption bugs w...

[libfirm] / ir / be / becopystat.c

diff --git a/ir/be/becopystat.c b/ir/be/becopystat.c
index 220a43e..6baefbb 100644 (file)
--- a/ir/be/becopystat.c
+++ b/ir/be/becopystat.c
@@ -126,8 +126,14 @@ void be_init_copystat(void)
 BE_REGISTER_MODULE_DESTRUCTOR(be_quit_copystat);
 void be_quit_copystat(void)
 {
-       ir_nodeset_del(all_phi_nodes);
-       ir_nodeset_del(all_copy_nodes);
+       if (all_phi_nodes != NULL) {
+               ir_nodeset_del(all_phi_nodes);
+               all_phi_nodes = NULL;
+       }
+       if (all_copy_nodes != NULL) {
+               ir_nodeset_del(all_copy_nodes);
+               all_copy_nodes = NULL;
+       }
 }
 
 /**
@@ -209,6 +215,23 @@ void copystat_add_ilp_iter(int iters)
 
 #endif /* WITH_ILP */
 
+/**
+ * Opens a file named base.ext with the mode mode.
+ */
+static FILE *be_ffopen(const char *base, const char *ext, const char *mode)
+{
+       FILE *out;
+       char buf[1024];
+
+       snprintf(buf, sizeof(buf), "%s.%s", base, ext);
+       buf[sizeof(buf) - 1] = '\0';
+       if (! (out = fopen(buf, mode))) {
+               fprintf(stderr, "Cannot open file %s in mode %s\n", buf, mode);
+               return NULL;
+       }
+       return out;
+}
+
 void copystat_dump(ir_graph *irg)
 {
        int i;