1 // { dg-do run }
2
3 extern "C" void abort ();
4
5 template <typename T>
6 class J
7 {
8 public:
J(T x,T y)9 J(T x, T y) : b (x), e (y) {}
10 T begin ();
11 T end ();
12 private:
13 T b, e;
14 };
15
begin()16 template <typename T> T J<T>::begin () { return b; }
end()17 template <typename T> T J<T>::end () { return e; }
18
19 int results[2000];
20
21 void
baz(int i)22 baz (int i)
23 {
24 if (i < 0 || i >= 2000)
25 abort ();
26 results[i]++;
27 }
28
29 void
f1(int x,int y)30 f1 (int x, int y)
31 {
32 #pragma omp parallel for
33 for (int i = x; i <= y; i += 6)
34 baz (i);
35 }
36
37 void
f2(int x,int y)38 f2 (int x, int y)
39 {
40 int i;
41 #pragma omp parallel for private(i)
42 for (i = x; i < y - 1; i = 1 - 6 + 7 + i)
43 baz (i);
44 }
45
46 template <typename T>
47 void
f3(int x,int y)48 f3 (int x, int y)
49 {
50 #pragma omp parallel for
51 for (int i = x; i <= y; i = i + 9 - 8)
52 baz (i);
53 }
54
55 template <typename T>
56 void
f4(int x,int y)57 f4 (int x, int y)
58 {
59 int i;
60 #pragma omp parallel for lastprivate(i)
61 for (i = x + 2000 - 64; i > y + 10; --i)
62 baz (i);
63 }
64
65 void
f5(int x,int y)66 f5 (int x, int y)
67 {
68 #pragma omp parallel for
69 for (int i = x + 2000 - 64; i > y + 10L; i -= 10L)
70 baz (i);
71 }
72
73 template <int N>
74 void
f6(int x,int y)75 f6 (int x, int y)
76 {
77 #pragma omp parallel for
78 for (int i = x + 2000 - 64; i > y + 10L; i = i - 12 + 2L)
79 baz (i + N);
80 }
81
82 template <long N>
83 void
f7(int i,int x,int y)84 f7 (int i, int x, int y)
85 {
86 #pragma omp parallel for
87 for (i = x - 10; i <= y + 10; i += N)
88 baz (i);
89 }
90
91 template <long N>
92 void
f8(J<int> j)93 f8 (J<int> j)
94 {
95 int i;
96 #pragma omp parallel for
97 for (i = j.begin (); i <= j.end () + N; i += 2)
98 baz (i);
99 }
100
101 template <typename T, long N>
102 void
f9(T x,T y)103 f9 (T x, T y)
104 {
105 #pragma omp parallel for
106 for (T i = x; i <= y; i = i + N)
107 baz (i);
108 }
109
110 template <typename T, long N>
111 void
f10(T x,T y)112 f10 (T x, T y)
113 {
114 T i;
115 #pragma omp parallel for
116 for (i = x; i > y; i = i + N)
117 baz (i);
118 }
119
120 template <typename T>
121 void
f11(T x,long y)122 f11 (T x, long y)
123 {
124 #pragma omp parallel
125 {
126 #pragma omp for nowait
127 for (T i = x; i <= y; i += 3L)
128 baz (i);
129 #pragma omp single
130 baz (y + 3);
131 }
132 }
133
134 template <typename T>
135 void
f12(T x,T y)136 f12 (T x, T y)
137 {
138 T i;
139 #pragma omp parallel for
140 for (i = x; i > y; --i)
141 baz (i);
142 }
143
144 #define check(expr) \
145 for (int i = 0; i < 2000; i++) \
146 if (expr) \
147 { \
148 if (results[i] != 1) \
149 abort (); \
150 results[i] = 0; \
151 } \
152 else if (results[i]) \
153 abort ()
154
155 int
main()156 main ()
157 {
158 f1 (10, 1990);
159 check (i >= 10 && i <= 1990 && (i - 10) % 6 == 0);
160 f2 (0, 1999);
161 check (i < 1998 && (i & 1) == 0);
162 f3<char> (20, 1837);
163 check (i >= 20 && i <= 1837);
164 f4<int> (0, 30);
165 check (i > 40 && i <= 2000 - 64);
166 f5 (0, 100);
167 check (i >= 116 && i <= 2000 - 64 && (i - 116) % 10 == 0);
168 f6<-10> (10, 110);
169 check (i >= 116 && i <= 2000 - 64 && (i - 116) % 10 == 0);
170 f7<6> (0, 12, 1800);
171 check (i >= 2 && i <= 1808 && (i - 2) % 6 == 0);
172 f8<121> (J<int> (14, 1803));
173 check (i >= 14 && i <= 1924 && (i & 1) == 0);
174 f9<int, 7> (33, 1967);
175 check (i >= 33 && i <= 1967 && (i - 33) % 7 == 0);
176 f10<int, -7> (1939, 17);
177 check (i >= 21 && i <= 1939 && (i - 21) % 7 == 0);
178 f11<int> (16, 1981);
179 check (i >= 16 && i <= 1984 && (i - 16) % 3 == 0);
180 f12<int> (1761, 37);
181 check (i > 37 && i <= 1761);
182 }
183