2005-06-01 Paul Thomas <pault@gcc.gnu.org>

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

diff --git a/gcc/tree-flow.h b/gcc/tree-flow.h
index d71238c..fda3e57 100644 (file)
--- a/gcc/tree-flow.h
+++ b/gcc/tree-flow.h
@@ -308,7 +308,7 @@ struct stmt_ann_d GTY(())
   unsigned makes_clobbering_call : 1;
 
   /* Basic block that contains this statement.  */
-  basic_block GTY ((skip (""))) bb;
+  basic_block bb;
 
   /* Operand cache for stmt.  */
   struct stmt_operands_d GTY ((skip (""))) operands;
@@ -377,28 +377,7 @@ struct edge_prediction GTY((chain_next ("%h.next")))
   int probability;
 };
 
-/*---------------------------------------------------------------------------
-                 Block annotations stored in basic_block.tree_annotations
----------------------------------------------------------------------------*/
-struct bb_ann_d GTY(())
-{
-  /* Chain of PHI nodes for this block.  */
-  tree phi_nodes;
-
-  /* Nonzero if this block contains an escape point (see is_escape_site).  */
-  unsigned has_escape_site : 1;
-
-  /* Nonzero if one or more incoming edges to this block should be threaded
-     to an outgoing edge of this block.  */
-  unsigned incoming_edge_threaded : 1;
-
-  struct edge_prediction *predictions;
-};
-
-typedef struct bb_ann_d *bb_ann_t;
-
 /* Accessors for basic block annotations.  */
-static inline bb_ann_t bb_ann (basic_block);
 static inline tree phi_nodes (basic_block);
 static inline void set_phi_nodes (basic_block, tree);
 
@@ -406,10 +385,10 @@ static inline void set_phi_nodes (basic_block, tree);
                              Global declarations
 ---------------------------------------------------------------------------*/
 /* Array of all variables referenced in the function.  */
-extern GTY(()) varray_type referenced_vars;
+extern GTY(()) VEC(tree,gc) *referenced_vars;
 
-#define num_referenced_vars VARRAY_ACTIVE_SIZE (referenced_vars)
-#define referenced_var(i) VARRAY_TREE (referenced_vars, i)
+#define num_referenced_vars VEC_length (tree, referenced_vars)
+#define referenced_var(i) VEC_index (tree, referenced_vars, i)
 
 /* Array of all SSA_NAMEs used in the function.  */
 extern GTY(()) VEC(tree,gc) *ssa_names;
@@ -510,8 +489,6 @@ extern void debug_loop_ir (void);
 extern void print_loop_ir (FILE *);
 extern void cleanup_dead_labels (void);
 extern void group_case_labels (void);
-extern bool cleanup_tree_cfg (void);
-extern void cleanup_tree_cfg_loop (void);
 extern tree first_stmt (basic_block);
 extern tree last_stmt (basic_block);
 extern tree *last_stmt_ptr (basic_block);
@@ -541,6 +518,15 @@ extern tree gimplify_build2 (block_stmt_iterator *, enum tree_code,
                             tree, tree, tree);
 extern tree gimplify_build3 (block_stmt_iterator *, enum tree_code,
                             tree, tree, tree, tree);
+extern void init_empty_tree_cfg (void);
+extern void fold_cond_expr_cond (void);
+extern void replace_uses_by (tree, tree);
+extern void start_recording_case_labels (void);
+extern void end_recording_case_labels (void);
+
+/* In tree-cfgcleanup.c  */
+extern bool cleanup_tree_cfg (void);
+extern void cleanup_tree_cfg_loop (void);
 
 /* In tree-pretty-print.c.  */
 extern void dump_generic_bb (FILE *, basic_block, int, int);
@@ -584,6 +570,7 @@ extern void debug_points_to_info_for (tree);
 extern bool may_be_aliased (tree);
 extern struct ptr_info_def *get_ptr_info (tree);
 extern void add_type_alias (tree, tree);
+extern void new_type_alias (tree, tree);
 extern void count_uses_and_derefs (tree, tree, unsigned *, unsigned *, bool *);
 static inline subvar_t get_subvars_for_var (tree);
 static inline bool ref_contains_array_ref (tree);
@@ -628,6 +615,7 @@ void set_current_def (tree, tree);
 
 /* In tree-ssa-ccp.c  */
 bool fold_stmt (tree *);
+bool fold_stmt_inplace (tree);
 tree widen_bitfield (tree, tree, tree);
 
 /* In tree-vrp.c  */
@@ -693,7 +681,7 @@ bool empty_block_p (basic_block);
 void tree_ssa_lim (struct loops *);
 void tree_ssa_unswitch_loops (struct loops *);
 void canonicalize_induction_variables (struct loops *);
-void tree_unroll_loops_completely (struct loops *);
+void tree_unroll_loops_completely (struct loops *, bool);
 void tree_ssa_iv_optimize (struct loops *);
 
 bool number_of_iterations_exit (struct loop *, edge,
@@ -722,6 +710,7 @@ bool tree_duplicate_loop_to_header_edge (struct loop *, edge, struct loops *,
                                         unsigned int *, int);
 struct loop *tree_ssa_loop_version (struct loops *, struct loop *, tree,
                                    basic_block *);
+tree expand_simple_operations (tree);
 
 /* In tree-ssa-loop-im.c  */
 /* The possibilities of statement movement.  */
@@ -750,7 +739,7 @@ extern bool tree_can_throw_external (tree);
 extern int lookup_stmt_eh_region (tree);
 extern void add_stmt_to_eh_region (tree, int);
 extern bool remove_stmt_from_eh_region (tree);
-extern bool maybe_clean_eh_stmt (tree);
+extern bool maybe_clean_or_replace_eh_stmt (tree, tree);
 
 /* In tree-ssa-pre.c  */
 void add_to_value (tree, tree);
@@ -780,6 +769,9 @@ extern void linear_transform_loops (struct loops *);
 /* In tree-ssa-loop-ivopts.c  */
 extern bool expr_invariant_in_loop_p (struct loop *, tree);
 
+/* In tree-ssa-threadupdate.c.  */
+extern bool thread_through_all_blocks (bitmap);
+
 /* In gimplify.c  */
 tree force_gimple_operand (tree, tree *, bool, tree);
 tree force_gimple_operand_bsi (block_stmt_iterator *, tree, bool, tree);