1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
2 // RUN: %clang_cc1 -verify -fopenmp -std=c++98 %s -Wuninitialized
3 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 %s -Wuninitialized
4 
5 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
6 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++98 %s -Wuninitialized
7 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 %s -Wuninitialized
8 
9 void foo() {
10 }
11 
12 #if __cplusplus >= 201103L
13 // expected-note@+2 4 {{declared here}}
14 #endif
15 bool foobool(int argc) {
16   return argc;
17 }
18 
19 struct S1; // expected-note {{declared here}}
20 
21 template <class T, typename S, int N, int ST> // expected-note {{declared here}}
22 T tmain(T argc, S **argv) { //expected-note 2 {{declared here}}
23 #pragma omp target parallel for simd simdlen // expected-error {{expected '(' after 'simdlen'}}
24   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
25 
26 #pragma omp target parallel for simd simdlen ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
27   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
28 
29 #pragma omp target parallel for simd simdlen () // expected-error {{expected expression}}
30   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
31 
32 // expected-error@+3 {{expected ')'}} expected-note@+3 {{to match this '('}}
33 // expected-error@+2 2 {{integral constant expression}}
34 // expected-note@+1 2 {{read of non-const variable 'argc' is not allowed in a constant expression}}
35 #pragma omp target parallel for simd simdlen (argc
36   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
37 
38 // expected-error@+1 {{argument to 'simdlen' clause must be a strictly positive integer value}}
39 #pragma omp target parallel for simd simdlen (ST // expected-error {{expected ')'}} expected-note {{to match this '('}}
40   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
41 
42 #pragma omp target parallel for simd simdlen (1)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel for simd' are ignored}}
43   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
44 
45 #pragma omp target parallel for simd simdlen ((ST > 0) ? 1 + ST : 2)
46   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
47 
48   // expected-error@+6 2 {{directive '#pragma omp target parallel for simd' cannot contain more than one 'simdlen' clause}}
49   // expected-error@+5 {{argument to 'simdlen' clause must be a strictly positive integer value}}
50   // expected-error@+4 2 {{integral constant expression}}
51 #if __cplusplus >= 201103L
52   // expected-note@+2 2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
53 #endif
54 #pragma omp target parallel for simd simdlen (foobool(argc)), simdlen (true), simdlen (-5)
55   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
56 
57 #pragma omp target parallel for simd simdlen (S) // expected-error {{'S' does not refer to a value}}
58   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
59 
60 #if __cplusplus <= 199711L
61   // expected-error@+4 2 {{integral constant expression}}
62 #else
63   // expected-error@+2 2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
64 #endif
65 #pragma omp target parallel for simd simdlen (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
66   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
67 
68  #pragma omp target parallel for simd simdlen (4)
69   for (int i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
70 
71   #pragma omp target parallel for simd simdlen (N) // expected-error {{argument to 'simdlen' clause must be a strictly positive integer value}}
72   for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
73 
74 #pragma omp target parallel for simd simdlen (2), safelen (4) // OK
75   for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
76 
77 #pragma omp target parallel for simd simdlen (4), safelen (4) // OK
78   for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
79 
80 #pragma omp target parallel for simd simdlen (8), safelen (4) // expected-error{{the value of 'simdlen' parameter must be less than or equal to the value of the 'safelen' parameter}}
81   for (T i = ST; i < N; i++) argv[0][i] = argv[0][i] - argv[0][i-ST];
82 
83   return argc;
84 }
85 
86 int main(int argc, char **argv) {
87 #pragma omp target parallel for simd simdlen // expected-error {{expected '(' after 'simdlen'}}
88   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
89 
90 #pragma omp target parallel for simd simdlen ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
91   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
92 
93 #pragma omp target parallel for simd simdlen () // expected-error {{expected expression}}
94   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
95 
96 #pragma omp target parallel for simd simdlen (4 // expected-error {{expected ')'}} expected-note {{to match this '('}}
97   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
98 
99 #pragma omp target parallel for simd simdlen (2+2)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel for simd' are ignored}}
100   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
101 
102   // expected-error@+4 {{integral constant expression}}
103 #if __cplusplus >= 201103L
104   // expected-note@+2 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
105 #endif
106 #pragma omp target parallel for simd simdlen (foobool(1) > 0 ? 1 : 2)
107   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
108 
109   // expected-error@+6 {{integral constant expression}}
110 #if __cplusplus >= 201103L
111   // expected-note@+4 {{non-constexpr function 'foobool' cannot be used in a constant expression}}
112 #endif
113 // expected-error@+2 2 {{directive '#pragma omp target parallel for simd' cannot contain more than one 'simdlen' clause}}
114 // expected-error@+1 {{argument to 'simdlen' clause must be a strictly positive integer value}}
115 #pragma omp target parallel for simd simdlen (foobool(argc)), simdlen (true), simdlen (-5)
116   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
117 
118 #pragma omp target parallel for simd simdlen (S1) // expected-error {{'S1' does not refer to a value}}
119   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
120 
121 #if __cplusplus <= 199711L
122   // expected-error@+4 {{integral constant expression}}
123 #else
124   // expected-error@+2 {{integral constant expression must have integral or unscoped enumeration type, not 'char *'}}
125 #endif
126 #pragma omp target parallel for simd simdlen (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
127   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
128 
129 // expected-error@+3 {{statement after '#pragma omp target parallel for simd' must be a for loop}}
130 // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, -1, -2>' requested here}}
131 #pragma omp target parallel for simd simdlen(simdlen(tmain<int, char, -1, -2>(argc, argv) // expected-error 2 {{expected ')'}} expected-note 2 {{to match this '('}}
132   foo();
133 
134 #pragma omp target parallel for simd simdlen (2), safelen (4) // OK
135   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
136 
137 #pragma omp target parallel for simd simdlen (4), safelen (4) // OK
138   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
139 
140 #pragma omp target parallel for simd simdlen (8), safelen (4) // expected-error{{the value of 'simdlen' parameter must be less than or equal to the value of the 'safelen' parameter}}
141   for (int i = 4; i < 12; i++) argv[0][i] = argv[0][i] - argv[0][i-4];
142 
143   // expected-note@+1 {{in instantiation of function template specialization 'tmain<int, char, 12, 4>' requested here}}
144   return tmain<int, char, 12, 4>(argc, argv);
145 }
146 
147