diff options
Diffstat (limited to 'gcc/tree-flow.h')
| -rw-r--r-- | gcc/tree-flow.h | 64 |
1 files changed, 11 insertions, 53 deletions
diff --git a/gcc/tree-flow.h b/gcc/tree-flow.h index 9f338f0b5ad..9f9a3cd92c4 100644 --- a/gcc/tree-flow.h +++ b/gcc/tree-flow.h @@ -84,34 +84,6 @@ struct ptr_info_def GTY(()) }; -/* Types of value ranges. */ -enum value_range_type { VR_UNDEFINED, VR_RANGE, VR_ANTI_RANGE, VR_VARYING }; - - -/* Ranges of values that can be associated with an SSA_NAME after VRP - has executed. */ -struct value_range_def GTY(()) -{ - /* Lattice value represented by this range. */ - enum value_range_type type; - - /* Minimum and maximum values represented by this range. These - values are _CST nodes that should be interpreted as follows: - - - If TYPE == VR_UNDEFINED then MIN and MAX must be NULL. - - - If TYPE == VR_RANGE then MIN holds the minimum value and - MAX holds the maximum value of the range [MIN, MAX]. - - - If TYPE == ANTI_RANGE the variable is known to NOT - take any values in the range [MIN, MAX]. */ - tree min; - tree max; -}; - -typedef struct value_range_def value_range; - - /*--------------------------------------------------------------------------- Tree annotations stored in tree_common.ann ---------------------------------------------------------------------------*/ @@ -383,25 +355,7 @@ 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 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); @@ -519,8 +473,6 @@ 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); @@ -553,6 +505,12 @@ extern tree gimplify_build3 (block_stmt_iterator *, enum tree_code, 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); @@ -596,6 +554,7 @@ 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); @@ -644,12 +603,8 @@ bool fold_stmt_inplace (tree); tree widen_bitfield (tree, tree, tree); /* In tree-vrp.c */ -value_range *get_value_range (tree); -void dump_value_range (FILE *, value_range *); -void debug_value_range (value_range *); -void dump_all_value_ranges (FILE *); -void debug_all_value_ranges (void); bool expr_computes_nonzero (tree); +tree vrp_evaluate_conditional (tree, bool); /* In tree-ssa-dom.c */ extern void dump_dominator_optimization_stats (FILE *); @@ -795,6 +750,9 @@ 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); |