1 files changed, 10 insertions, 1 deletions
diff --git a/gcc/tree-into-ssa.c b/gcc/tree-into-ssa.c
index e6e8a3a..726744d 100644
--- a/gcc/tree-into-ssa.c
+++ b/gcc/tree-into-ssa.c
@@ -2409,6 +2409,14 @@ rewrite_into_ssa (void)
   return 0;
 }
 
+/* Gate for IPCP optimization.  */
+
+static bool
+gate_into_ssa (void)
+{
+  /* Do nothing for funcions that was produced already in SSA form.  */
+  return !(cfun->curr_properties & PROP_ssa);
+}
 
 namespace {
 
@@ -2417,7 +2425,7 @@ const pass_data pass_data_build_ssa =
   GIMPLE_PASS, /* type */
   "ssa", /* name */
   OPTGROUP_NONE, /* optinfo_flags */
-  false, /* has_gate */
+  true, /* has_gate */
   true, /* has_execute */
   TV_TREE_SSA_OTHER, /* tv_id */
   PROP_cfg, /* properties_required */
@@ -2435,6 +2443,7 @@ public:
   {}
 
   /* opt_pass methods: */
+  bool gate () { return gate_into_ssa (); }
   unsigned int execute () { return rewrite_into_ssa (); }
 
 }; // class pass_build_ssa