xref: /llvm-project/clang/test/OpenMP/flush_messages.cpp (revision 612f8ec7ac5dcddd16fb027aad64e2e353faa528) 
1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -ferror-limit 100 %s -Wuninitialized
2 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -ferror-limit 100 %s -Wuninitialized
3 
4 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -ferror-limit 100 %s -Wuninitialized
5 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -ferror-limit 100 %s -Wuninitialized
6 
7 struct S1 { // expected-note 2 {{declared here}}
8   int a;
9 };
10 
11 template <class T>
12 T tmain(T argc) {
13 #pragma omp flush allocate(argc) // expected-error {{unexpected OpenMP clause 'allocate' in directive '#pragma omp flush'}}
14   ;
15 #pragma omp flush untied  // expected-error {{unexpected OpenMP clause 'untied' in directive '#pragma omp flush'}}
16 #pragma omp flush unknown // expected-warning {{extra tokens at the end of '#pragma omp flush' are ignored}}
17   if (argc)
18 #pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
19     if (argc) {
20 #pragma omp flush
21     }
22   while (argc)
23 #pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
24     while (argc) {
25 #pragma omp flush
26     }
27   do
28 #pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
29     while (argc)
30       ;
31   do {
32 #pragma omp flush
33   } while (argc);
34   switch (argc)
35 #pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
36     switch (argc)
37     case 1:
38 #pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
39   switch (argc)
40   case 1: {
41 #pragma omp flush
42   }
43   switch (argc) {
44 #pragma omp flush
45   case 1:
46 #pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
47     break;
48   default: {
49 #pragma omp flush
50   } break;
51   }
52   for (;;)
53 #pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
54     for (;;) {
55 #pragma omp flush
56     }
57 label:
58 #pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
59 label1 : {
60 #pragma omp flush
61 }
62 
63 #pragma omp flush
64 #pragma omp flush(                              // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
65 #pragma omp flush()                             // expected-error {{expected expression}}
66 #pragma omp flush(argc                          // expected-error {{expected ')'}} expected-note {{to match this '('}}
67 #pragma omp flush(argc,                         // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
68 #pragma omp flush(argc)
69 #pragma omp flush(S1) // expected-error {{'S1' does not refer to a value}}
70 #pragma omp flush(argc) flush(argc) // expected-warning {{extra tokens at the end of '#pragma omp flush' are ignored}}
71 #pragma omp parallel flush(argc) // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
72   ;
73   return T();
74 }
75 
76 int main(int argc, char **argv) {
77 #pragma omp flush
78   ;
79 #pragma omp flush untied  // expected-error {{unexpected OpenMP clause 'untied' in directive '#pragma omp flush'}}
80 #pragma omp flush unknown // expected-warning {{extra tokens at the end of '#pragma omp flush' are ignored}}
81   if (argc)
82 #pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
83     if (argc) {
84 #pragma omp flush
85     }
86   while (argc)
87 #pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
88     while (argc) {
89 #pragma omp flush
90     }
91   do
92 #pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
93     while (argc)
94       ;
95   do {
96 #pragma omp flush
97   } while (argc);
98   switch (argc)
99 #pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
100     switch (argc)
101     case 1:
102 #pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
103   switch (argc)
104   case 1: {
105 #pragma omp flush
106   }
107   switch (argc) {
108 #pragma omp flush
109   case 1:
110 #pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
111     break;
112   default: {
113 #pragma omp flush
114   } break;
115   }
116   for (;;)
117 #pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
118     for (;;) {
119 #pragma omp flush
120     }
121 label:
122 #pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
123 label1 : {
124 #pragma omp flush
125 }
126 
127 #pragma omp flush
128 #pragma omp flush(                              // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
129 #pragma omp flush()                             // expected-error {{expected expression}}
130 #pragma omp flush(argc                          // expected-error {{expected ')'}} expected-note {{to match this '('}}
131 #pragma omp flush(argc,                         // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
132 #pragma omp flush(argc)
133 #pragma omp flush(S1) // expected-error {{'S1' does not refer to a value}}
134 #pragma omp flush(argc) flush(argc) // expected-warning {{extra tokens at the end of '#pragma omp flush' are ignored}}
135 #pragma omp parallel flush(argc) // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
136   ;
137 #pragma omp flush acq_rel // omp45-error {{unexpected OpenMP clause 'acq_rel' in directive '#pragma omp flush'}}
138 #pragma omp flush acquire // omp45-error {{unexpected OpenMP clause 'acquire' in directive '#pragma omp flush'}}
139 #pragma omp flush release // omp45-error {{unexpected OpenMP clause 'release' in directive '#pragma omp flush'}}
140 #pragma omp flush relaxed // expected-error {{unexpected OpenMP clause 'relaxed' in directive '#pragma omp flush'}}
141 #pragma omp flush acq_rel acquire // omp45-error {{unexpected OpenMP clause 'acq_rel' in directive '#pragma omp flush'}} omp45-error {{unexpected OpenMP clause 'acquire' in directive '#pragma omp flush'}} omp51-error {{directive '#pragma omp flush' cannot contain more than one 'seq_cst', 'acq_rel', 'acquire' or 'release' clause}} omp51-note {{'acq_rel' clause used here}}
142 #pragma omp flush release acquire // omp45-error {{unexpected OpenMP clause 'release' in directive '#pragma omp flush'}} omp45-error {{unexpected OpenMP clause 'acquire' in directive '#pragma omp flush'}} omp51-error {{directive '#pragma omp flush' cannot contain more than one 'seq_cst', 'acq_rel', 'acquire' or 'release' clause}} omp51-note {{'release' clause used here}}
143 #pragma omp flush acq_rel (argc) // omp45-error {{unexpected OpenMP clause 'acq_rel' in directive '#pragma omp flush'}} expected-warning {{extra tokens at the end of '#pragma omp flush' are ignored}}
144 #pragma omp flush(argc) acq_rel // omp45-error {{unexpected OpenMP clause 'acq_rel' in directive '#pragma omp flush'}} omp51-error {{'flush' directive with memory order clause 'acq_rel' cannot have the list}} omp51-note {{memory order clause 'acq_rel' is specified here}}
145   return tmain(argc);
146 }
147