re PR rtl-optimization/33648 (ICE in verify_flow_info for -fmodulo-sched…

re PR rtl-optimization/33648 (ICE in verify_flow_info for -fmodulo-sched -freorder-blocks-and-partition)

	PR rtl-optimization/33648
	* cfgrtl.c (cfg_layout_split_edge): Initialize BB_PARTITION of
	the newly created basic block.

	* gcc.dg/pr33648.c: New test.

From-SVN: r129837

gcc/ChangeLog

+2007-11-02  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/33648
+	* cfgrtl.c (cfg_layout_split_edge): Initialize BB_PARTITION of
+	the newly created basic block.
+
 2007-11-01  Richard Guenther  <rguenther@suse.de>
 
 	* ggc-page.c (extra_order_size_tab): Add bitmap_head size.

gcc/cfgrtl.c

@@ -2696,6 +2696,10 @@ cfg_layout_split_edge (edge e)
 			? NEXT_INSN (BB_END (e->src)) : get_insns (),
 			NULL_RTX, e->src);
 
+  if (e->dest == EXIT_BLOCK_PTR)
+    BB_COPY_PARTITION (new_bb, e->src);
+  else
+    BB_COPY_PARTITION (new_bb, e->dest);
   make_edge (new_bb, e->dest, EDGE_FALLTHRU);
   redirect_edge_and_branch_force (e, new_bb);
 

gcc/testsuite/ChangeLog

+2007-11-02  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/33648
+	* gcc.dg/pr33648.c: New test.
+
 2007-11-01  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/32384

gcc/testsuite/gcc.dg/pr33648.c

+/* PR rtl-optimization/33648 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fmodulo-sched -freorder-blocks-and-partition" } */
+
+unsigned res;
+
+void
+foo (unsigned code, int len)
+{
+  int i;
+  for (i = 0; i < len; i++)
+    res |= code & 1;
+}