LCOV - code coverage report
Current view: top level - gcc - gimple-range-tests.cc (source / functions) Coverage Total Hit
Test: gcc.info Lines: 100.0 % 27 27
Test Date: 2024-03-23 14:05:01 Functions: 100.0 % 3 3
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: - 0 0

             Branch data     Line data    Source code
       1                 :             : /* Unit tests for GIMPLE range related routines.
       2                 :             :    Copyright (C) 2021-2024 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                 :             : #if CHECKING_P
      21                 :             : 
      22                 :             : #include "selftest.h"
      23                 :             : 
      24                 :             : namespace selftest {
      25                 :             : 
      26                 :             : // Test ranges of tree expressions.
      27                 :           8 : class test_expr_eval : public gimple_ranger
      28                 :             : {
      29                 :             : public:
      30                 :           4 :   test_expr_eval ()
      31                 :           4 :   {
      32                 :           4 :     type = integer_type_node;
      33                 :           4 :     op0 = make_ssa_name (type);
      34                 :           4 :     op1 = make_ssa_name (type);
      35                 :             : 
      36                 :             :     // [5,10] + [15,20] => [20, 30]
      37                 :           4 :     tree expr = fold_build2 (PLUS_EXPR, type, op0, op1);
      38                 :           4 :     int_range<1> expect (type,
      39                 :           4 :                          wi::shwi (20, TYPE_PRECISION (type)),
      40                 :           8 :                          wi::shwi (30, TYPE_PRECISION (type)));
      41                 :           4 :     int_range_max r;
      42                 :             : 
      43                 :           4 :     ASSERT_TRUE (range_of_expr (r, expr));
      44                 :           4 :     ASSERT_TRUE (r == expect);
      45                 :           4 :   }
      46                 :             : 
      47                 :          12 :   virtual bool range_of_expr (vrange &v, tree expr, gimple * = NULL) override
      48                 :             :   {
      49                 :          12 :     irange &r = as_a <irange> (v);
      50                 :          12 :     unsigned prec = TYPE_PRECISION (type);
      51                 :          12 :     if (expr == op0)
      52                 :             :       {
      53                 :           4 :         r.set (type, wi::shwi (5, prec), wi::shwi (10, prec));
      54                 :           4 :         return true;
      55                 :             :       }
      56                 :           8 :     if (expr == op1)
      57                 :             :       {
      58                 :           4 :         r.set (type, wi::shwi (15, prec), wi::shwi (20, prec));
      59                 :           4 :         return true;
      60                 :             :       }
      61                 :           4 :     return gimple_ranger::range_of_expr (r, expr);
      62                 :             :   }
      63                 :             : 
      64                 :             : private:
      65                 :             :   tree op0, op1, type;
      66                 :             : };
      67                 :             : 
      68                 :             : void
      69                 :           4 : gimple_range_tests ()
      70                 :             : {
      71                 :           4 :   test_expr_eval e;
      72                 :           4 : }
      73                 :             : 
      74                 :             : } // namespace selftest
      75                 :             : 
      76                 :             : #endif // CHECKING_P
        

Generated by: LCOV version 2.0-1

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,rust,m2 --enable-host-shared. GCC test suite is run with the built compiler.