2011-04-27 Richard Guenther <rguenther@suse.de>

	* Makefile.in (tree-ssa-structalias.o): Remove
	gt-tree-ssa-structalias.h dependency.
	(GTFILES): Remove tree-ssa-structalias.c.
	* tree.c (allocate_decl_uid): New function.
	(make_node_stat): Use it.
	(copy_node_stat): Likewise.
	* tree.h (allocate_decl_uid): Declare.
	* tree-ssa-alias.h (delete_alias_heapvars): Remove.
	* tree-ssa.c (delete_tree_ssa): Do not call delete_alias_heapvars.
	* tree-flow.h (struct var_ann_d): Remove is_heapvar flag.
	* tree-ssa-live.c (remove_unused_locals): Do not check is_heapvar
	flag.
	* tree-ssa-structalias.c (heapvar_for_stmt): Remove.
	(struct heapvar_map): Likewise.
	(heapvar_map_eq, heapvar_map_hash, heapvar_lookup,
	heapvar_insert): Likewise.
	(make_heapvar_for): Rename to ...
	(make_heapvar): ... this.  Simplify.
	(fake_var_decl_obstack): New global var.
	(build_fake_var_decl): New function.
	(make_constraint_from_heapvar): Adjust.
	(handle_lhs_call): Likewise.
	(create_function_info_for): Likewise.
	(intra_create_variable_infos): Likewise.
	(init_alias_vars): Allocate fake_var_decl_obstack.
	(init_alias_heapvars, delete_alias_heapvars): Remove.
	(compute_points_to_sets): Do not call init_alias_heapvars.
	(ipa_pta_execute): Likewise.
	(delete_points_to_sets): Free fake_var_decl_obstack.

	* gcc.dg/tree-ssa/pr23382.c: Remove.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@173030 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 10 insertions, 2 deletions

diff --git a/gcc/tree.c b/gcc/tree.c
index 6f93fb16336..b175221c779 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -814,6 +814,14 @@ record_node_allocation_statistics (enum tree_code code ATTRIBUTE_UNUSED,
 #endif
 }
 
+/* Allocate and return a new UID from the DECL_UID namespace.  */
+
+int
+allocate_decl_uid (void)
+{
+  return next_decl_uid++;
+}
+
 /* Return a newly allocated node of code CODE.  For decl and type
    nodes, some other fields are initialized.  The rest of the node is
    initialized to zero.  This function cannot be used for TREE_VEC or
@@ -857,7 +865,7 @@ make_node_stat (enum tree_code code MEM_STAT_DECL)
 	DECL_UID (t) = --next_debug_decl_uid;
       else
 	{
-	  DECL_UID (t) = next_decl_uid++;
+	  DECL_UID (t) = allocate_decl_uid ();
 	  SET_DECL_PT_UID (t, -1);
 	}
       if (TREE_CODE (t) == LABEL_DECL)
@@ -942,7 +950,7 @@ copy_node_stat (tree node MEM_STAT_DECL)
 	DECL_UID (t) = --next_debug_decl_uid;
       else
 	{
-	  DECL_UID (t) = next_decl_uid++;
+	  DECL_UID (t) = allocate_decl_uid ();
 	  if (DECL_PT_UID_SET_P (node))
 	    SET_DECL_PT_UID (t, DECL_PT_UID (node));
 	}