LCOV - code coverage report
Current view: top level - gcc - fold-const.h (source / functions) Hit Total Coverage
Test: gcc.info Lines: 1 1 100.0 %
Date: 2020-03-28 11:57:23 Functions: 0 0 -
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 0 0 -

           Branch data     Line data    Source code
       1                 :            : /* Fold a constant sub-tree into a single node for C-compiler
       2                 :            :    Copyright (C) 1987-2020 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 it under
       7                 :            : the terms of the GNU General Public License as published by the Free
       8                 :            : Software Foundation; either version 3, or (at your option) any later
       9                 :            : version.
      10                 :            : 
      11                 :            : GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      12                 :            : WARRANTY; without even the implied warranty of MERCHANTABILITY or
      13                 :            : FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      14                 :            : 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_FOLD_CONST_H
      21                 :            : #define GCC_FOLD_CONST_H
      22                 :            : 
      23                 :            : /* Non-zero if we are folding constants inside an initializer; zero
      24                 :            :    otherwise.  */
      25                 :            : extern int folding_initializer;
      26                 :            : 
      27                 :            : /* Convert between trees and native memory representation.  */
      28                 :            : extern int native_encode_expr (const_tree, unsigned char *, int, int off = -1);
      29                 :            : extern int native_encode_initializer (tree, unsigned char *, int,
      30                 :            :                                       int off = -1);
      31                 :            : extern tree native_interpret_expr (tree, const unsigned char *, int);
      32                 :            : extern bool can_native_interpret_type_p (tree);
      33                 :            : extern void shift_bytes_in_array_left (unsigned char *, unsigned int,
      34                 :            :                                        unsigned int);
      35                 :            : extern void shift_bytes_in_array_right (unsigned char *, unsigned int,
      36                 :            :                                         unsigned int);
      37                 :            : 
      38                 :            : /* Fold constants as much as possible in an expression.
      39                 :            :    Returns the simplified expression.
      40                 :            :    Acts only on the top level of the expression;
      41                 :            :    if the argument itself cannot be simplified, its
      42                 :            :    subexpressions are not changed.  */
      43                 :            : 
      44                 :            : extern tree fold (tree);
      45                 :            : #define fold_unary(CODE,T1,T2)\
      46                 :            :    fold_unary_loc (UNKNOWN_LOCATION, CODE, T1, T2)
      47                 :            : extern tree fold_unary_loc (location_t, enum tree_code, tree, tree);
      48                 :            : #define fold_unary_ignore_overflow(CODE,T1,T2)\
      49                 :            :    fold_unary_ignore_overflow_loc (UNKNOWN_LOCATION, CODE, T1, T2)
      50                 :            : extern tree fold_unary_ignore_overflow_loc (location_t, enum tree_code, tree, tree);
      51                 :            : #define fold_binary(CODE,T1,T2,T3)\
      52                 :            :    fold_binary_loc (UNKNOWN_LOCATION, CODE, T1, T2, T3)
      53                 :            : extern tree fold_binary_loc (location_t, enum tree_code, tree, tree, tree);
      54                 :            : #define fold_ternary(CODE,T1,T2,T3,T4)\
      55                 :            :    fold_ternary_loc (UNKNOWN_LOCATION, CODE, T1, T2, T3, T4)
      56                 :            : extern tree fold_ternary_loc (location_t, enum tree_code, tree, tree, tree, tree);
      57                 :            : #define fold_build1(c,t1,t2)\
      58                 :            :    fold_build1_loc (UNKNOWN_LOCATION, c, t1, t2 MEM_STAT_INFO)
      59                 :            : extern tree fold_build1_loc (location_t, enum tree_code, tree,
      60                 :            :                              tree CXX_MEM_STAT_INFO);
      61                 :            : #define fold_build2(c,t1,t2,t3)\
      62                 :            :    fold_build2_loc (UNKNOWN_LOCATION, c, t1, t2, t3 MEM_STAT_INFO)
      63                 :            : extern tree fold_build2_loc (location_t, enum tree_code, tree, tree,
      64                 :            :                              tree CXX_MEM_STAT_INFO);
      65                 :            : #define fold_build3(c,t1,t2,t3,t4)\
      66                 :            :    fold_build3_loc (UNKNOWN_LOCATION, c, t1, t2, t3, t4 MEM_STAT_INFO)
      67                 :            : extern tree fold_build3_loc (location_t, enum tree_code, tree, tree, tree,
      68                 :            :                                   tree CXX_MEM_STAT_INFO);
      69                 :            : extern tree fold_build1_initializer_loc (location_t, enum tree_code, tree, tree);
      70                 :            : extern tree fold_build2_initializer_loc (location_t, enum tree_code, tree, tree, tree);
      71                 :            : #define fold_build_call_array(T1,T2,N,T4)\
      72                 :            :    fold_build_call_array_loc (UNKNOWN_LOCATION, T1, T2, N, T4)
      73                 :            : extern tree fold_build_call_array_loc (location_t, tree, tree, int, tree *);
      74                 :            : #define fold_build_call_array_initializer(T1,T2,N,T4)\
      75                 :            :    fold_build_call_array_initializer_loc (UNKNOWN_LOCATION, T1, T2, N, T4)
      76                 :            : extern tree fold_build_call_array_initializer_loc (location_t, tree, tree, int, tree *);
      77                 :            : extern tree get_array_ctor_element_at_index (tree, offset_int,
      78                 :            :                                              unsigned * = NULL);
      79                 :            : extern bool fold_convertible_p (const_tree, const_tree);
      80                 :            : #define fold_convert(T1,T2)\
      81                 :            :    fold_convert_loc (UNKNOWN_LOCATION, T1, T2)
      82                 :            : extern tree fold_convert_loc (location_t, tree, tree);
      83                 :            : extern tree fold_single_bit_test (location_t, enum tree_code, tree, tree, tree);
      84                 :            : extern tree fold_ignored_result (tree);
      85                 :            : extern tree fold_abs_const (tree, tree);
      86                 :            : extern tree fold_indirect_ref_1 (location_t, tree, tree);
      87                 :            : extern void fold_defer_overflow_warnings (void);
      88                 :            : extern void fold_undefer_overflow_warnings (bool, const gimple *, int);
      89                 :            : extern void fold_undefer_and_ignore_overflow_warnings (void);
      90                 :            : extern bool fold_deferring_overflow_warnings_p (void);
      91                 :            : extern void fold_overflow_warning (const char*, enum warn_strict_overflow_code);
      92                 :            : extern enum tree_code fold_div_compare (enum tree_code, tree, tree,
      93                 :            :                                         tree *, tree *, bool *);
      94                 :            : extern bool operand_equal_p (const_tree, const_tree, unsigned int flags = 0);
      95                 :            : extern int multiple_of_p (tree, const_tree, const_tree);
      96                 :            : #define omit_one_operand(T1,T2,T3)\
      97                 :            :    omit_one_operand_loc (UNKNOWN_LOCATION, T1, T2, T3)
      98                 :            : extern tree omit_one_operand_loc (location_t, tree, tree, tree);
      99                 :            : #define omit_two_operands(T1,T2,T3,T4)\
     100                 :            :    omit_two_operands_loc (UNKNOWN_LOCATION, T1, T2, T3, T4)
     101                 :            : extern tree omit_two_operands_loc (location_t, tree, tree, tree, tree);
     102                 :            : #define invert_truthvalue(T)\
     103                 :            :    invert_truthvalue_loc (UNKNOWN_LOCATION, T)
     104                 :            : extern tree invert_truthvalue_loc (location_t, tree);
     105                 :            : extern tree fold_unary_to_constant (enum tree_code, tree, tree);
     106                 :            : extern tree fold_binary_to_constant (enum tree_code, tree, tree, tree);
     107                 :            : extern tree fold_bit_and_mask (tree, tree, enum tree_code,
     108                 :            :                                tree, enum tree_code, tree, tree,
     109                 :            :                                tree, enum tree_code, tree, tree, tree *);
     110                 :            : extern tree fold_read_from_constant_string (tree);
     111                 :            : extern tree fold_read_from_vector (tree, poly_uint64);
     112                 :            : #if GCC_VEC_PERN_INDICES_H
     113                 :            : extern tree fold_vec_perm (tree, tree, tree, const vec_perm_indices &);
     114                 :            : #endif
     115                 :            : extern bool wide_int_binop (wide_int &res, enum tree_code,
     116                 :            :                             const wide_int &arg1, const wide_int &arg2,
     117                 :            :                             signop, wi::overflow_type *);
     118                 :            : extern tree int_const_binop (enum tree_code, const_tree, const_tree, int = 1);
     119                 :            : #define build_fold_addr_expr(T)\
     120                 :            :         build_fold_addr_expr_loc (UNKNOWN_LOCATION, (T))
     121                 :            : extern tree build_fold_addr_expr_loc (location_t, tree);
     122                 :            : #define build_fold_addr_expr_with_type(T,TYPE)\
     123                 :            :         build_fold_addr_expr_with_type_loc (UNKNOWN_LOCATION, (T), TYPE)
     124                 :            : extern tree build_fold_addr_expr_with_type_loc (location_t, tree, tree);
     125                 :            : extern tree fold_build_cleanup_point_expr (tree type, tree expr);
     126                 :            : #define build_fold_indirect_ref(T)\
     127                 :            :         build_fold_indirect_ref_loc (UNKNOWN_LOCATION, T)
     128                 :            : extern tree build_fold_indirect_ref_loc (location_t, tree);
     129                 :            : #define fold_indirect_ref(T)\
     130                 :            :         fold_indirect_ref_loc (UNKNOWN_LOCATION, T)
     131                 :            : extern tree fold_indirect_ref_loc (location_t, tree);
     132                 :            : extern tree build_simple_mem_ref_loc (location_t, tree);
     133                 :            : #define build_simple_mem_ref(T)\
     134                 :            :         build_simple_mem_ref_loc (UNKNOWN_LOCATION, T)
     135                 :            : extern poly_offset_int mem_ref_offset (const_tree);
     136                 :            : extern tree build_invariant_address (tree, tree, poly_int64);
     137                 :            : extern tree constant_boolean_node (bool, tree);
     138                 :            : extern tree div_if_zero_remainder (const_tree, const_tree);
     139                 :            : 
     140                 :            : extern bool tree_swap_operands_p (const_tree, const_tree);
     141                 :            : extern enum tree_code swap_tree_comparison (enum tree_code);
     142                 :            : 
     143                 :            : extern bool ptr_difference_const (tree, tree, poly_int64_pod *);
     144                 :            : extern enum tree_code invert_tree_comparison (enum tree_code, bool);
     145                 :            : extern bool inverse_conditions_p (const_tree, const_tree);
     146                 :            : 
     147                 :            : extern bool tree_unary_nonzero_warnv_p (enum tree_code, tree, tree, bool *);
     148                 :            : extern bool tree_binary_nonzero_warnv_p (enum tree_code, tree, tree, tree op1,
     149                 :            :                                          bool *);
     150                 :            : extern bool tree_single_nonzero_warnv_p (tree, bool *);
     151                 :            : extern bool tree_unary_nonnegative_warnv_p (enum tree_code, tree, tree,
     152                 :            :                                             bool *, int);
     153                 :            : extern bool tree_binary_nonnegative_warnv_p (enum tree_code, tree, tree, tree,
     154                 :            :                                              bool *, int);
     155                 :            : extern bool tree_single_nonnegative_warnv_p (tree, bool *, int);
     156                 :            : extern bool tree_call_nonnegative_warnv_p (tree, combined_fn, tree, tree,
     157                 :            :                                            bool *, int);
     158                 :            : 
     159                 :            : extern bool integer_valued_real_unary_p (tree_code, tree, int);
     160                 :            : extern bool integer_valued_real_binary_p (tree_code, tree, tree, int);
     161                 :            : extern bool integer_valued_real_call_p (combined_fn, tree, tree, int);
     162                 :            : extern bool integer_valued_real_single_p (tree, int);
     163                 :            : extern bool integer_valued_real_p (tree, int = 0);
     164                 :            : 
     165                 :            : extern bool fold_real_zero_addition_p (const_tree, const_tree, int);
     166                 :            : extern tree combine_comparisons (location_t, enum tree_code, enum tree_code,
     167                 :            :                                  enum tree_code, tree, tree, tree);
     168                 :            : extern void debug_fold_checksum (const_tree);
     169                 :            : extern bool may_negate_without_overflow_p (const_tree);
     170                 :            : #define round_up(T,N) round_up_loc (UNKNOWN_LOCATION, T, N)
     171                 :            : extern tree round_up_loc (location_t, tree, unsigned int);
     172                 :            : #define round_down(T,N) round_down_loc (UNKNOWN_LOCATION, T, N)
     173                 :            : extern tree round_down_loc (location_t, tree, int);
     174                 :            : extern tree size_int_kind (poly_int64, enum size_type_kind);
     175                 :            : #define size_binop(CODE,T1,T2)\
     176                 :            :    size_binop_loc (UNKNOWN_LOCATION, CODE, T1, T2)
     177                 :            : extern tree size_binop_loc (location_t, enum tree_code, tree, tree);
     178                 :            : #define size_diffop(T1,T2)\
     179                 :            :    size_diffop_loc (UNKNOWN_LOCATION, T1, T2)
     180                 :            : extern tree size_diffop_loc (location_t, tree, tree);
     181                 :            : 
     182                 :            : /* Return an expr equal to X but certainly not valid as an lvalue.  */
     183                 :            : #define non_lvalue(T) non_lvalue_loc (UNKNOWN_LOCATION, T)
     184                 :            : extern tree non_lvalue_loc (location_t, tree);
     185                 :            : 
     186                 :            : extern bool tree_expr_nonzero_p (tree);
     187                 :            : extern bool tree_expr_nonnegative_p (tree);
     188                 :            : extern bool tree_expr_nonnegative_warnv_p (tree, bool *, int = 0);
     189                 :            : extern tree make_range (tree, int *, tree *, tree *, bool *);
     190                 :            : extern tree make_range_step (location_t, enum tree_code, tree, tree, tree,
     191                 :            :                              tree *, tree *, int *, bool *);
     192                 :            : extern tree range_check_type (tree);
     193                 :            : extern tree build_range_check (location_t, tree, tree, int, tree, tree);
     194                 :            : extern bool merge_ranges (int *, tree *, tree *, int, tree, tree, int,
     195                 :            :                           tree, tree);
     196                 :            : extern tree sign_bit_p (tree, const_tree);
     197                 :            : extern tree exact_inverse (tree, tree);
     198                 :            : extern bool expr_not_equal_to (tree t, const wide_int &);
     199                 :            : extern tree const_unop (enum tree_code, tree, tree);
     200                 :            : extern tree const_binop (enum tree_code, tree, tree, tree);
     201                 :            : extern bool negate_mathfn_p (combined_fn);
     202                 :            : extern const char *c_getstr (tree, unsigned HOST_WIDE_INT * = NULL);
     203                 :            : extern wide_int tree_nonzero_bits (const_tree);
     204                 :            : 
     205                 :            : /* Return OFF converted to a pointer offset type suitable as offset for
     206                 :            :    POINTER_PLUS_EXPR.  Use location LOC for this conversion.  */
     207                 :            : extern tree convert_to_ptrofftype_loc (location_t loc, tree off);
     208                 :            : 
     209                 :            : #define convert_to_ptrofftype(t) convert_to_ptrofftype_loc (UNKNOWN_LOCATION, t)
     210                 :            : 
     211                 :            : /* Build and fold a POINTER_PLUS_EXPR at LOC offsetting PTR by OFF.  */
     212                 :            : extern tree fold_build_pointer_plus_loc (location_t loc, tree ptr, tree off);
     213                 :            : 
     214                 :            : #define fold_build_pointer_plus(p,o) \
     215                 :            :         fold_build_pointer_plus_loc (UNKNOWN_LOCATION, p, o)
     216                 :            : 
     217                 :            : /* Build and fold a POINTER_PLUS_EXPR at LOC offsetting PTR by OFF.  */
     218                 :            : extern tree fold_build_pointer_plus_hwi_loc (location_t loc, tree ptr, HOST_WIDE_INT off);
     219                 :            : 
     220                 :            : #define fold_build_pointer_plus_hwi(p,o) \
     221                 :            :         fold_build_pointer_plus_hwi_loc (UNKNOWN_LOCATION, p, o)
     222                 :            : 
     223                 :            : 
     224                 :            : /* Class used to compare gimple operands.  */
     225                 :            : 
     226                 :     455768 : class operand_compare
     227                 :            : {
     228                 :            : public:
     229                 :            :   /* Return true if two operands are equal.  The flags fields can be used
     230                 :            :      to specify OEP flags described above.  */
     231                 :            :   virtual bool operand_equal_p (const_tree, const_tree, unsigned int flags);
     232                 :            : 
     233                 :            :   /* Generate a hash value for an expression.  This can be used iteratively
     234                 :            :      by passing a previous result as the HSTATE argument.  */
     235                 :            :   virtual void hash_operand (const_tree, inchash::hash &, unsigned flags);
     236                 :            : 
     237                 :            : protected:
     238                 :            :   /* Verify that when arguments (ARG0 and ARG1) are equal, then they have
     239                 :            :      an equal hash value.  When the function knowns comparison return,
     240                 :            :      true is returned.  Then RET is set to corresponding comparsion result.  */
     241                 :            :   bool verify_hash_value (const_tree arg0, const_tree arg1, unsigned int flags,
     242                 :            :                           bool *ret);
     243                 :            : };
     244                 :            : 
     245                 :            : #endif // GCC_FOLD_CONST_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.