LCOV - code coverage report
Current view: top level - gcc - tree-vrp.h (source / functions) Hit Total Coverage
Test: gcc.info Lines: 5 5 100.0 %
Date: 2020-04-04 11:58:09 Functions: 0 0 -
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : /* Support routines for Value Range Propagation (VRP).
       2                 :            :    Copyright (C) 2016-2020 Free Software Foundation, Inc.
       3                 :            : 
       4                 :            : This file is part of GCC.
       5                 :            : 
       6                 :            : GCC is free software; you can redistribute it and/or modify
       7                 :            : it under the terms of the GNU General Public License as published by
       8                 :            : the Free Software Foundation; either version 3, or (at your option)
       9                 :            : any later version.
      10                 :            : 
      11                 :            : GCC is distributed in the hope that it will be useful,
      12                 :            : but WITHOUT ANY WARRANTY; without even the implied warranty of
      13                 :            : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14                 :            : GNU General Public License for more details.
      15                 :            : 
      16                 :            : You should have received a copy of the GNU General Public License
      17                 :            : along with GCC; see the file COPYING3.  If not see
      18                 :            : <http://www.gnu.org/licenses/>.  */
      19                 :            : 
      20                 :            : #ifndef GCC_TREE_VRP_H
      21                 :            : #define GCC_TREE_VRP_H
      22                 :            : 
      23                 :            : #include "value-range.h"
      24                 :            : 
      25                 :            : /* Note value_range_equiv cannot currently be used with GC memory,
      26                 :            :    only value_range is fully set up for this.  */
      27                 :            : class GTY((user)) value_range_equiv : public value_range
      28                 :            : {
      29                 :            :  public:
      30                 :            :   value_range_equiv ();
      31                 :            :   value_range_equiv (const value_range &);
      32                 :            :   /* Deep-copies equiv bitmap argument.  */
      33                 :            :   value_range_equiv (tree, tree, bitmap = NULL, value_range_kind = VR_RANGE);
      34                 :            : 
      35                 :            :   /* Shallow-copies equiv bitmap.  */
      36                 :            :   value_range_equiv (const value_range_equiv &) /* = delete */;
      37                 :            :   /* Shallow-copies equiv bitmap.  */
      38                 :            :   value_range_equiv& operator=(const value_range_equiv &) /* = delete */;
      39                 :            : 
      40                 :            :   /* Move equiv bitmap from source range.  */
      41                 :            :   void move (value_range_equiv *);
      42                 :            : 
      43                 :            :   /* Leaves equiv bitmap alone.  */
      44                 :            :   void update (tree, tree, value_range_kind = VR_RANGE);
      45                 :            :   /* Deep-copies equiv bitmap argument.  */
      46                 :            :   void set (tree, tree, bitmap = NULL, value_range_kind = VR_RANGE);
      47                 :            :   void set (tree);
      48                 :            : 
      49                 :            :   bool operator== (const value_range_equiv &) const /* = delete */;
      50                 :            :   bool operator!= (const value_range_equiv &) const /* = delete */;
      51                 :            :   void intersect (const value_range_equiv *);
      52                 :            :   void union_ (const value_range_equiv *);
      53                 :            :   bool equal_p (const value_range_equiv &, bool ignore_equivs) const;
      54                 :            : 
      55                 :            :   /* Types of value ranges.  */
      56                 :            :   void set_undefined ();
      57                 :            :   void set_varying (tree);
      58                 :            : 
      59                 :            :   /* Equivalence bitmap methods.  */
      60                 :            :   bitmap equiv () const;
      61                 :            :   void equiv_clear ();
      62                 :            :   void equiv_add (const_tree, const value_range_equiv *,
      63                 :            :                   bitmap_obstack * = NULL);
      64                 :            : 
      65                 :            :   /* Misc methods.  */
      66                 :            :   void deep_copy (const value_range_equiv *);
      67                 :            :   void dump (FILE *) const;
      68                 :            :   void dump () const;
      69                 :            : 
      70                 :            :  private:
      71                 :            :   /* Deep-copies bitmap argument.  */
      72                 :            :   void set_equiv (bitmap);
      73                 :            :   void check ();
      74                 :            : 
      75                 :            :   /* Set of SSA names whose value ranges are equivalent to this one.
      76                 :            :      This set is only valid when TYPE is VR_RANGE or VR_ANTI_RANGE.  */
      77                 :            :   bitmap m_equiv;
      78                 :            : };
      79                 :            : 
      80                 :            : inline
      81                 :  652231570 : value_range_equiv::value_range_equiv ()
      82                 :  652231570 :   : value_range ()
      83                 :            : {
      84                 :  652231570 :   m_equiv = NULL;
      85                 :            : }
      86                 :            : 
      87                 :            : inline bitmap
      88                 :  166746000 : value_range_equiv::equiv () const
      89                 :            : {
      90                 :  163097000 :   return m_equiv;
      91                 :            : }
      92                 :            : 
      93                 :            : extern void dump_value_range (FILE *, const value_range_equiv *);
      94                 :            : 
      95                 :            : struct assert_info
      96                 :            : {
      97                 :            :   /* Predicate code for the ASSERT_EXPR.  Must be COMPARISON_CLASS_P.  */
      98                 :            :   enum tree_code comp_code;
      99                 :            : 
     100                 :            :   /* Name to register the assert for.  */
     101                 :            :   tree name;
     102                 :            : 
     103                 :            :   /* Value being compared against.  */
     104                 :            :   tree val;
     105                 :            : 
     106                 :            :   /* Expression to compare.  */
     107                 :            :   tree expr;
     108                 :            : };
     109                 :            : 
     110                 :            : extern void register_edge_assert_for (tree, edge, enum tree_code,
     111                 :            :                                       tree, tree, vec<assert_info> &);
     112                 :            : extern bool stmt_interesting_for_vrp (gimple *);
     113                 :            : extern bool infer_value_range (gimple *, tree, tree_code *, tree *);
     114                 :            : 
     115                 :            : extern bool range_int_cst_p (const value_range *);
     116                 :            : 
     117                 :            : extern int compare_values (tree, tree);
     118                 :            : extern int compare_values_warnv (tree, tree, bool *);
     119                 :            : extern int operand_less_p (tree, tree);
     120                 :            : 
     121                 :            : void range_fold_unary_expr (value_range *, enum tree_code, tree type,
     122                 :            :                             const value_range *, tree op0_type);
     123                 :            : void range_fold_binary_expr (value_range *, enum tree_code, tree type,
     124                 :            :                              const value_range *, const value_range *);
     125                 :            : 
     126                 :            : extern enum value_range_kind intersect_range_with_nonzero_bits
     127                 :            :   (enum value_range_kind, wide_int *, wide_int *, const wide_int &, signop);
     128                 :            : 
     129                 :            : extern bool find_case_label_range (gswitch *, tree, tree, size_t *, size_t *);
     130                 :            : extern bool find_case_label_index (gswitch *, size_t, tree, size_t *);
     131                 :            : extern bool overflow_comparison_p (tree_code, tree, tree, bool, tree *);
     132                 :            : extern tree get_single_symbol (tree, bool *, tree *);
     133                 :            : extern void maybe_set_nonzero_bits (edge, tree);
     134                 :            : extern value_range_kind determine_value_range (tree, wide_int *, wide_int *);
     135                 :            : 
     136                 :            : #endif /* GCC_TREE_VRP_H */

Generated by: LCOV version 1.0

LCOV profile is generated on x86_64 machine using following configure options: configure --disable-bootstrap --enable-coverage=opt --enable-languages=c,c++,fortran,go,jit,lto --enable-host-shared. GCC test suite is run with the built compiler.