LCOV - code coverage report
Current view: top level - gcc - tree-ssa-operands.h (source / functions) Hit Total Coverage
Test: gcc.info Lines: 4 4 100.0 %
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                 :            : /* SSA operand management for trees.
       2                 :            :    Copyright (C) 2003-2020 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_TREE_SSA_OPERANDS_H
      21                 :            : #define GCC_TREE_SSA_OPERANDS_H
      22                 :            : 
      23                 :            : /* Interface to SSA operands.  */
      24                 :            : 
      25                 :            : 
      26                 :            : /* This represents a pointer to a DEF operand.  */
      27                 :            : typedef tree *def_operand_p;
      28                 :            : 
      29                 :            : /* This represents a pointer to a USE operand.  */
      30                 :            : typedef ssa_use_operand_t *use_operand_p;
      31                 :            : 
      32                 :            : /* NULL operand types.  */
      33                 :            : #define NULL_USE_OPERAND_P              ((use_operand_p)NULL)
      34                 :            : #define NULL_DEF_OPERAND_P              ((def_operand_p)NULL)
      35                 :            : 
      36                 :            : /* This represents the USE operands of a stmt.  */
      37                 :            : struct use_optype_d
      38                 :            : {
      39                 :            :   struct use_optype_d *next;
      40                 :            :   struct ssa_use_operand_t use_ptr;
      41                 :            : };
      42                 :            : typedef struct use_optype_d *use_optype_p;
      43                 :            : 
      44                 :            : /* This structure represents a variable sized buffer which is allocated by the
      45                 :            :    operand memory manager.  Operands are suballocated out of this block.  The
      46                 :            :    MEM array varies in size.  */
      47                 :            : 
      48                 :            : struct GTY((chain_next("%h.next"))) ssa_operand_memory_d {
      49                 :            :   struct ssa_operand_memory_d *next;
      50                 :            :   char mem[1];
      51                 :            : };
      52                 :            : 
      53                 :            : /* Per-function operand caches.  */
      54                 :            : struct GTY(()) ssa_operands {
      55                 :            :    struct ssa_operand_memory_d *operand_memory;
      56                 :            :    unsigned operand_memory_index;
      57                 :            :    /* Current size of the operand memory buffer.  */
      58                 :            :    unsigned int ssa_operand_mem_size;
      59                 :            : 
      60                 :            :    bool ops_active;
      61                 :            : 
      62                 :            :    struct use_optype_d * GTY ((skip (""))) free_uses;
      63                 :            : };
      64                 :            : 
      65                 :            : #define USE_FROM_PTR(PTR)       get_use_from_ptr (PTR)
      66                 :            : #define DEF_FROM_PTR(PTR)       get_def_from_ptr (PTR)
      67                 :            : #define SET_USE(USE, V)         set_ssa_use_from_ptr (USE, V)
      68                 :            : #define SET_DEF(DEF, V)         ((*(DEF)) = (V))
      69                 :            : 
      70                 :            : #define USE_STMT(USE)           (USE)->loc.stmt
      71                 :            : 
      72                 :            : #define USE_OP_PTR(OP)          (&((OP)->use_ptr))
      73                 :            : #define USE_OP(OP)              (USE_FROM_PTR (USE_OP_PTR (OP)))
      74                 :            : 
      75                 :            : #define PHI_RESULT_PTR(PHI)     gimple_phi_result_ptr (PHI)
      76                 :            : #define PHI_RESULT(PHI)         DEF_FROM_PTR (PHI_RESULT_PTR (PHI))
      77                 :            : #define SET_PHI_RESULT(PHI, V)  SET_DEF (PHI_RESULT_PTR (PHI), (V))
      78                 :            : /*
      79                 :            : #define PHI_ARG_DEF(PHI, I)     USE_FROM_PTR (PHI_ARG_DEF_PTR ((PHI), (I)))
      80                 :            : */
      81                 :            : #define PHI_ARG_DEF_PTR(PHI, I) gimple_phi_arg_imm_use_ptr ((PHI), (I))
      82                 :            : #define PHI_ARG_DEF(PHI, I)     gimple_phi_arg_def ((PHI), (I))
      83                 :            : #define SET_PHI_ARG_DEF(PHI, I, V)                                      \
      84                 :            :                                 SET_USE (PHI_ARG_DEF_PTR ((PHI), (I)), (V))
      85                 :            : #define PHI_ARG_DEF_FROM_EDGE(PHI, E)                                   \
      86                 :            :                                 PHI_ARG_DEF ((PHI), (E)->dest_idx)
      87                 :            : #define PHI_ARG_DEF_PTR_FROM_EDGE(PHI, E)                               \
      88                 :            :                                 PHI_ARG_DEF_PTR ((PHI), (E)->dest_idx)
      89                 :            : #define PHI_ARG_INDEX_FROM_USE(USE)   phi_arg_index_from_use (USE)
      90                 :            : 
      91                 :            : 
      92                 :            : extern bool ssa_operands_active (struct function *);
      93                 :            : extern void init_ssa_operands (struct function *fn);
      94                 :            : extern void fini_ssa_operands (struct function *);
      95                 :            : extern bool verify_ssa_operands (struct function *, gimple *stmt);
      96                 :            : extern void free_stmt_operands (struct function *, gimple *);
      97                 :            : extern void update_stmt_operands (struct function *, gimple *);
      98                 :            : extern void swap_ssa_operands (gimple *, tree *, tree *);
      99                 :            : extern bool verify_imm_links (FILE *f, tree var);
     100                 :            : 
     101                 :            : extern void dump_immediate_uses_for (FILE *file, tree var);
     102                 :            : extern void dump_immediate_uses (FILE *file);
     103                 :            : extern void debug_immediate_uses (void);
     104                 :            : extern void debug_immediate_uses_for (tree var);
     105                 :            : 
     106                 :            : extern void unlink_stmt_vdef (gimple *);
     107                 :            : 
     108                 :            : /* Return the tree pointed-to by USE.  */
     109                 :            : static inline tree
     110                 :19638919564 : get_use_from_ptr (use_operand_p use)
     111                 :            : {
     112                 :19638227424 :   return *(use->use);
     113                 :            : }
     114                 :            : 
     115                 :            : /* Return the tree pointed-to by DEF.  */
     116                 :            : static inline tree
     117                 : 1437858848 : get_def_from_ptr (def_operand_p def)
     118                 :            : {
     119                 : 1437035670 :   return *def;
     120                 :            : }
     121                 :            : 
     122                 :            : #endif  /* GCC_TREE_SSA_OPERANDS_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.