* libsupc++/del_op.cc: Don't include cstdlib when !_GLIBCXX_HOSTED.

[pf3gnuchains/gcc-fork.git] / gcc / tree-flow.h

diff --git a/gcc/tree-flow.h b/gcc/tree-flow.h
index 45e2096..80ad686 100644 (file)
--- a/gcc/tree-flow.h
+++ b/gcc/tree-flow.h
@@ -1,5 +1,5 @@
 /* Data and Control Flow Analysis for Trees.
-   Copyright (C) 2001, 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
    Contributed by Diego Novillo <dnovillo@redhat.com>
 
 This file is part of GCC.
@@ -66,6 +66,9 @@ struct ptr_info_def GTY(())
   /* Nonzero if this pointer points to a global variable.  */
   unsigned int pt_global_mem : 1;
 
+  /* Nonzero if this pointer points to NULL.  */
+  unsigned int pt_null : 1;
+
   /* Set of variables that this pointer may point to.  */
   bitmap pt_vars;
 
@@ -166,6 +169,14 @@ struct var_ann_d GTY(())
      states.  */
   ENUM_BITFIELD (need_phi_state) need_phi_state : 2;
 
+  /* Used during operand processing to determine if this variable is already 
+     in the vuse list.  */
+  unsigned in_vuse_list : 1;
+
+  /* Used during operand processing to determine if this variable is already 
+     in the v_may_def list.  */
+  unsigned in_v_may_def_list : 1;
+
   /* An artificial variable representing the memory location pointed-to by
      all the pointers that TBAA (type-based alias analysis) considers
      to be aliased.  If the variable is not a pointer or if it is never
@@ -286,6 +297,8 @@ union tree_ann_d GTY((desc ("ann_type ((tree_ann_t)&%h)")))
   struct stmt_ann_d GTY((tag ("STMT_ANN"))) stmt;
 };
 
+extern GTY(()) VEC(tree) *modified_noreturn_calls;
+
 typedef union tree_ann_d *tree_ann_t;
 typedef struct var_ann_d *var_ann_t;
 typedef struct stmt_ann_d *stmt_ann_t;
@@ -299,6 +312,7 @@ static inline stmt_ann_t get_stmt_ann (tree);
 static inline enum tree_ann_type ann_type (tree_ann_t);
 static inline basic_block bb_for_stmt (tree);
 extern void set_bb_for_stmt (tree, basic_block);
+static inline bool noreturn_call_p (tree);
 static inline void modify_stmt (tree);
 static inline void unmodify_stmt (tree);
 static inline bool stmt_modified_p (tree);
@@ -337,10 +351,6 @@ struct bb_ann_d GTY(())
   /* Chain of PHI nodes for this block.  */
   tree phi_nodes;
 
-  /* Nonzero if this block is forwardable during cfg cleanups.  This is also
-     used to detect loops during cfg cleanups.  */
-  unsigned forwardable: 1;
-
   /* Nonzero if this block contains an escape point (see is_escape_site).  */
   unsigned has_escape_site : 1;
 
@@ -508,8 +518,9 @@ extern void dump_generic_bb (FILE *, basic_block, int, int);
 extern var_ann_t create_var_ann (tree);
 extern stmt_ann_t create_stmt_ann (tree);
 extern tree_ann_t create_tree_ann (tree);
+extern void reserve_phi_args_for_new_edge (basic_block);
 extern tree create_phi_node (tree, basic_block);
-extern void add_phi_arg (tree *, tree, edge);
+extern void add_phi_arg (tree, tree, edge);
 extern void remove_phi_args (edge);
 extern void remove_phi_node (tree, tree, basic_block);
 extern void remove_all_phi_nodes_for (bitmap);
@@ -531,6 +542,7 @@ extern tree get_virtual_var (tree);
 extern void add_referenced_tmp_var (tree);
 extern void mark_new_vars_to_rename (tree, bitmap);
 extern void find_new_referenced_vars (tree *);
+void mark_call_clobbered_vars_to_rename (void);
 
 extern void redirect_immediate_uses (tree, tree);
 extern tree make_rename_temp (tree, const char *);
@@ -566,7 +578,6 @@ DEF_VEC_MALLOC_P (tree_on_heap);
 
 /* In tree-ssa.c  */
 extern void init_tree_ssa (void);
-extern void debug_reaching_defs (void);
 extern void dump_tree_ssa (FILE *);
 extern void debug_tree_ssa (void);
 extern void debug_def_blocks (void);
@@ -656,6 +667,7 @@ void number_of_iterations_cond (tree, tree, tree, enum tree_code, tree, tree,
                                struct tree_niter_desc *);
 bool number_of_iterations_exit (struct loop *, edge,
                                struct tree_niter_desc *niter);
+tree find_loop_niter (struct loop *, edge *);
 tree loop_niter_by_eval (struct loop *, edge);
 tree find_loop_niter_by_eval (struct loop *, edge *);
 void estimate_numbers_of_iterations (struct loops *);
@@ -693,7 +705,6 @@ enum move_pos
 extern enum move_pos movement_possibility (tree);
 
 /* In tree-flow-inline.h  */
-static inline int phi_arg_from_edge (tree, edge);
 static inline bool is_call_clobbered (tree);
 static inline void mark_call_clobbered (tree);
 static inline void set_is_used (tree);