aboutsummaryrefslogtreecommitdiff
path: root/gcc/cfgrtl.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/cfgrtl.c')
-rw-r--r--gcc/cfgrtl.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c
index 36bc865916b..a2c0e0f2026 100644
--- a/gcc/cfgrtl.c
+++ b/gcc/cfgrtl.c
@@ -53,6 +53,7 @@ along with GCC; see the file COPYING3. If not see
#include "toplev.h"
#include "tm_p.h"
#include "obstack.h"
+#include "insn-attr.h"
#include "insn-config.h"
#include "cfglayout.h"
#include "expr.h"
@@ -408,13 +409,27 @@ free_bb_for_insn (void)
return 0;
}
+static unsigned int
+rest_of_pass_free_cfg (void)
+{
+#ifdef DELAY_SLOTS
+ /* The resource.c machinery uses DF but the CFG isn't guaranteed to be
+ valid at that point so it would be too late to call df_analyze. */
+ if (optimize > 0 && flag_delayed_branch)
+ df_analyze ();
+#endif
+
+ free_bb_for_insn ();
+ return 0;
+}
+
struct rtl_opt_pass pass_free_cfg =
{
{
RTL_PASS,
NULL, /* name */
NULL, /* gate */
- free_bb_for_insn, /* execute */
+ rest_of_pass_free_cfg, /* execute */
NULL, /* sub */
NULL, /* next */
0, /* static_pass_number */