1 /* { dg-do compile } */
2 /* { dg-options "-O2" } */
3 /* This test used to trigger the use of an uninitialised field (t_icode)
4    in the secondary_reload_info structure created in ira-costs.c:copy_cost().
5    Unfortunately the test only generates a problem if run under valgrind...  */
6 typedef unsigned long int uint64_t;
7 
8 namespace __gnu_parallel
9 {
10    enum _AlgorithmStrategy { heuristic, force_sequential, force_parallel };
11    enum _SortAlgorithm     { MWMS, QS, QS_BALANCED };
12    enum _MultiwayMergeAlgorithm  { LOSER_TREE };
13    enum _PartialSumAlgorithm     { RECURSIVE, LINEAR };
14    enum _SplittingAlgorithm     { SAMPLING, EXACT };
15    enum _FindAlgorithm     { GROWING_BLOCKS, CONSTANT_SIZE_BLOCKS, EQUAL_SPLIT };
16    typedef uint64_t _SequenceIndex;
17    struct _Settings
18    {
19      _AlgorithmStrategy algorithm_strategy;
20      _SortAlgorithm sort_algorithm;
21      _PartialSumAlgorithm partial_sum_algorithm;
22      _MultiwayMergeAlgorithm multiway_merge_algorithm;
23      _FindAlgorithm find_algorithm;
24      _SplittingAlgorithm sort_splitting;
25      _SplittingAlgorithm merge_splitting;
26      _SplittingAlgorithm multiway_merge_splitting;
27      _SequenceIndex accumulate_minimal_n;
28      unsigned int adjacent_difference_minimal_n;
29      _SequenceIndex count_minimal_n;
30      _SequenceIndex fill_minimal_n;
31      double find_increasing_factor;
32      _SequenceIndex find_initial_block_size;
33      _SequenceIndex find_maximum_block_size;
34      _SequenceIndex find_sequential_search_size;
35      _SequenceIndex for_each_minimal_n;
36      _SequenceIndex generate_minimal_n;
37      _SequenceIndex max_element_minimal_n;
38      _SequenceIndex merge_minimal_n;
39      unsigned int merge_oversampling;
40      _SequenceIndex min_element_minimal_n;
41      _SequenceIndex multiway_merge_minimal_n;
42      int multiway_merge_minimal_k;
43      unsigned int multiway_merge_oversampling;
44      _SequenceIndex nth_element_minimal_n;
45      _SequenceIndex partition_chunk_size;
46      double partition_chunk_share;
47      _SequenceIndex partition_minimal_n;
48      _SequenceIndex partial_sort_minimal_n;
49      float partial_sum_dilation;
50      unsigned int partial_sum_minimal_n;
51      float find_scale_factor;
52 
_Settings_Settings53      explicit _Settings() :
54        algorithm_strategy(heuristic),
55        sort_algorithm(MWMS),
56        partial_sum_algorithm(LINEAR),
57        multiway_merge_algorithm(LOSER_TREE),
58        find_algorithm(CONSTANT_SIZE_BLOCKS),
59        sort_splitting(EXACT),
60        merge_splitting(EXACT),
61        multiway_merge_splitting(EXACT),
62        accumulate_minimal_n(1000),
63        adjacent_difference_minimal_n(1000),
64        count_minimal_n(1000),
65        fill_minimal_n(1000),
66        find_increasing_factor(2.0),
67        find_initial_block_size(256),
68        find_maximum_block_size(8192),
69        find_sequential_search_size(256),
70        for_each_minimal_n(1000),
71        generate_minimal_n(1000),
72        max_element_minimal_n(1000),
73        merge_minimal_n(1000),
74        merge_oversampling(10),
75        min_element_minimal_n(1000),
76        multiway_merge_minimal_n(1000),
77        multiway_merge_minimal_k(2),
78        multiway_merge_oversampling(10),
79        nth_element_minimal_n(1000),
80        partition_chunk_size(1000),
81        partition_chunk_share(0.0),
82        partition_minimal_n(1000),
83        partial_sort_minimal_n(1000),
84        partial_sum_dilation(1.0f),
85        partial_sum_minimal_n(1000),
86        find_scale_factor(0.01f)
87      { }
88    };
89 }
90 
91 namespace
92 {
93   __gnu_parallel::_Settings s;
94 }
95 
96