tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.

	* tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
	* function.h (rtl_eh): Remove exception_handler_label_map.
	* except.c (ehl_hash, ehl_eq, add_ehl_entry,
	remove_exception_handler_label, for_each_eh_label_1): Remove.
	(rtl_remove_unreachable_regions): Remove.
	(convert_from_eh_region_ranges): Do not remove unreachable regions.
	(find_exception_handler_labels): Don't build the hashtable.
	(maybe_remove_eh_handler): Remove.
	(for_each_eh_label): Rewrite to walk the tree.
	(rest_of_handle_eh): Do not cleanup cfg prior EH construction.
	* except.h (maybe_remove_eh_handler): Remove.
	* passes.c (init_optimization_passes): Schedule second EH cleanup
	before out-of-ssa.
	* cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
	cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.

From-SVN: r145747

1 files changed, 0 insertions, 10 deletions

diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c
index a7dc507..95d28ac 100644
--- a/gcc/cfgrtl.c
+++ b/gcc/cfgrtl.c
@@ -379,8 +379,6 @@ rtl_delete_block (basic_block b)
      label for an exception handler which can't be reached.  We need
      to remove the label from the exception_handler_label list.  */
   insn = BB_HEAD (b);
-  if (LABEL_P (insn))
-    maybe_remove_eh_handler (insn);
 
   end = get_last_bb_insn (b);
 
@@ -572,10 +570,6 @@ rtl_merge_blocks (basic_block a, basic_block b)
   /* If there was a CODE_LABEL beginning B, delete it.  */
   if (LABEL_P (b_head))
     {
-      /* This might have been an EH label that no longer has incoming
-	 EH edges.  Update data structures to match.  */
-      maybe_remove_eh_handler (b_head);
-
       /* Detect basic blocks with nothing but a label.  This can happen
 	 in particular at the end of a function.  */
       if (b_head == b_end)
@@ -2598,10 +2592,6 @@ cfg_layout_merge_blocks (basic_block a, basic_block b)
   /* If there was a CODE_LABEL beginning B, delete it.  */
   if (LABEL_P (BB_HEAD (b)))
     {
-      /* This might have been an EH label that no longer has incoming
-	 EH edges.  Update data structures to match.  */
-      maybe_remove_eh_handler (BB_HEAD (b));
-
       delete_insn (BB_HEAD (b));
     }