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