LCOV - code coverage report
Current view: top level - gcc - tree-ssa-threadupdate.h (source / functions) Hit Total Coverage
Test: gcc.info Lines: 2 2 100.0 %
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                 :            : /* Communication between registering jump thread requests and
       2                 :            :    updating the SSA/CFG for jump threading.
       3                 :            :    Copyright (C) 2013-2020 Free Software Foundation, Inc.
       4                 :            : 
       5                 :            : This file is part of GCC.
       6                 :            : 
       7                 :            : GCC is free software; you can redistribute it and/or modify
       8                 :            : it under the terms of the GNU General Public License as published by
       9                 :            : the Free Software Foundation; either version 3, or (at your option)
      10                 :            : any later version.
      11                 :            : 
      12                 :            : GCC is distributed in the hope that it will be useful,
      13                 :            : but WITHOUT ANY WARRANTY; without even the implied warranty of
      14                 :            : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      15                 :            : GNU General Public License for more details.
      16                 :            : 
      17                 :            : You should have received a copy of the GNU General Public License
      18                 :            : along with GCC; see the file COPYING3.  If not see
      19                 :            : <http://www.gnu.org/licenses/>.  */
      20                 :            : 
      21                 :            : #ifndef _TREE_SSA_THREADUPDATE_H
      22                 :            : #define _TREE_SSA_THREADUPDATE_H 1
      23                 :            : 
      24                 :            : /* In tree-ssa-threadupdate.c.  */
      25                 :            : extern bool thread_through_all_blocks (bool);
      26                 :            : enum jump_thread_edge_type
      27                 :            : {
      28                 :            :   EDGE_START_JUMP_THREAD,
      29                 :            :   EDGE_FSM_THREAD,
      30                 :            :   EDGE_COPY_SRC_BLOCK,
      31                 :            :   EDGE_COPY_SRC_JOINER_BLOCK,
      32                 :            :   EDGE_NO_COPY_SRC_BLOCK
      33                 :            : };
      34                 :            : 
      35                 :            : class jump_thread_edge
      36                 :            : {
      37                 :            : public:
      38                 :   26881285 :   jump_thread_edge (edge e, enum jump_thread_edge_type type)
      39                 :   26881285 :     : e (e), type (type) {}
      40                 :            : 
      41                 :            :   edge e;
      42                 :            :   enum jump_thread_edge_type type;
      43                 :            : };
      44                 :            : 
      45                 :            : extern void register_jump_thread (vec <class jump_thread_edge *> *);
      46                 :            : extern void remove_jump_threads_including (edge);
      47                 :            : extern void delete_jump_thread_path (vec <class jump_thread_edge *> *);
      48                 :            : extern void remove_ctrl_stmt_and_useless_edges (basic_block, basic_block);
      49                 :            : extern void free_dom_edge_info (edge);
      50                 :            : extern unsigned int estimate_threading_killed_stmts (basic_block);
      51                 :            : 
      52                 :            : enum bb_dom_status
      53                 :            : {
      54                 :            :   /* BB does not dominate latch of the LOOP.  */
      55                 :            :   DOMST_NONDOMINATING,
      56                 :            :   /* The LOOP is broken (there is no path from the header to its latch.  */
      57                 :            :   DOMST_LOOP_BROKEN,
      58                 :            :   /* BB dominates the latch of the LOOP.  */
      59                 :            :   DOMST_DOMINATING
      60                 :            : };
      61                 :            : 
      62                 :            : enum bb_dom_status determine_bb_domination_status (class loop *, basic_block);
      63                 :            : 
      64                 :            : #endif

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.