[Bug middle-end/37448] [4.3/4.4/4.5 Regression] gcc 4.3.1 cannot compile big function

["rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #37 from rguenth at gcc dot gnu dot org  2010-01-28 16:50 -------
But it miscompares.  Honza?!

Index: gcc/ipa-inline.c
===================================================================
*** gcc/ipa-inline.c    (revision 156321)
--- gcc/ipa-inline.c    (working copy)
*************** cgraph_decide_inlining_incrementally (st
*** 1510,1515 ****
--- 1510,1517 ----
        /* Never inline regular functions into always-inline functions
         during incremental inlining.  */
        && !node->local.disregard_inline_limits)
+     {
+       bitmap visited = BITMAP_ALLOC (NULL);
      for (e = node->callees; e; e = e->next_callee)
        {
          int allowed_growth = 0;
*************** cgraph_decide_inlining_incrementally (st
*** 1517,1522 ****
--- 1519,1528 ----
            || !e->inline_failed
            || e->callee->local.disregard_inline_limits)
          continue;
+       /* We are inlining a function to all call-sites in node
+          or to none.  So visit each candidate only once.  */
+       if (!bitmap_set_bit (visited, e->callee->uid))
+         continue;
        if (dump_file)
          fprintf (dump_file, "Considering inline candidate %s.\n",
                   cgraph_node_name (e->callee));
*************** cgraph_decide_inlining_incrementally (st
*** 1601,1606 ****
--- 1607,1614 ----
        if (cgraph_default_inline_p (e->callee, &failed_reason))
          inlined |= try_inline (e, mode, depth);
        }
+     BITMAP_FREE (visited);
+     }
    node->aux = (void *)(size_t) old_mode;
    return inlined;
  }


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37448