ipa-fnsummary.c (inline_read_section): Set vector size ahead of time.

	* ipa-fnsummary.c (inline_read_section): Set vector size
	ahead of time.

From-SVN: r277756

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 817a33376a08775e72a640c1d5fec958ef718869..c249890731442f0c625bf251cc6bb61ab41be474 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2019-11-02  Jan Hubicka  <hubicka@ucw.cz>
+
+       * ipa-fnsummary.c (inline_read_section): Set vector size
+       ahead of time.
+
 2019-11-02  Jan Hubicka  <hubicka@ucw.cz>
 
        * ipa-fnsummary.c (ipa_call_context): New constructor.

diff --git a/gcc/ipa-fnsummary.c b/gcc/ipa-fnsummary.c
index 9dc87547faf1a723a0ec83d76ae49a4691c82017..96b50cc445f6258699723a19ea033d7cce489cfc 100644 (file)
--- a/gcc/ipa-fnsummary.c
+++ b/gcc/ipa-fnsummary.c
@@ -3638,6 +3638,8 @@ inline_read_section (struct lto_file_decl_data *file_data, const char *data,
 
       count2 = streamer_read_uhwi (&ib);
       gcc_assert (!info || !info->conds);
+      if (info)
+        vec_safe_reserve_exact (info->conds, count2);
       for (j = 0; j < count2; j++)
        {
          struct condition c;
@@ -3651,8 +3653,10 @@ inline_read_section (struct lto_file_decl_data *file_data, const char *data,
          c.by_ref = bp_unpack_value (&bp, 1);
          if (c.agg_contents)
            c.offset = streamer_read_uhwi (&ib);
-         c.param_ops = NULL;
          count3 = streamer_read_uhwi (&ib);
+         c.param_ops = NULL;
+         if (info)
+           vec_safe_reserve_exact (c.param_ops, count3);
          for (k = 0; k < count3; k++)
            {
              struct expr_eval_op op;
@@ -3682,13 +3686,16 @@ inline_read_section (struct lto_file_decl_data *file_data, const char *data,
                  fatal_error (UNKNOWN_LOCATION,
                               "invalid fnsummary in LTO stream");
                }
-             vec_safe_push (c.param_ops, op);
+             if (info)
+               c.param_ops->quick_push (op);
            }
          if (info)
-           vec_safe_push (info->conds, c);
+           info->conds->quick_push (c);
        }
       count2 = streamer_read_uhwi (&ib);
       gcc_assert (!info || !info->size_time_table);
+      if (info && count2)
+        vec_safe_reserve_exact (info->size_time_table, count2);
       for (j = 0; j < count2; j++)
        {
          class size_time_entry e;
@@ -3699,7 +3706,7 @@ inline_read_section (struct lto_file_decl_data *file_data, const char *data,
          e.nonconst_predicate.stream_in (&ib);
 
          if (info)
-           vec_safe_push (info->size_time_table, e);
+           info->size_time_table->quick_push (e);
        }
 
       p.stream_in (&ib);