1 // RUN: %clang_cc1 -fsyntax-only -fopenmp=libiomp5 -verify %s
2
3 // expected-error@+1 {{unexpected OpenMP directive '#pragma omp for'}}
4 #pragma omp for
5
6 // expected-error@+1 {{unexpected OpenMP directive '#pragma omp for'}}
7 #pragma omp for foo
8
test_no_clause()9 void test_no_clause() {
10 int i;
11 #pragma omp for
12 for (i = 0; i < 16; ++i)
13 ;
14
15 // expected-error@+2 {{statement after '#pragma omp for' must be a for loop}}
16 #pragma omp for
17 ++i;
18 }
19
test_branch_protected_scope()20 void test_branch_protected_scope() {
21 int i = 0;
22 L1:
23 ++i;
24
25 int x[24];
26
27 #pragma omp parallel
28 #pragma omp for
29 for (i = 0; i < 16; ++i) {
30 if (i == 5)
31 goto L1; // expected-error {{use of undeclared label 'L1'}}
32 else if (i == 6)
33 return; // expected-error {{cannot return from OpenMP region}}
34 else if (i == 7)
35 goto L2;
36 else if (i == 8) {
37 L2:
38 x[i]++;
39 }
40 }
41
42 if (x[0] == 0)
43 goto L2; // expected-error {{use of undeclared label 'L2'}}
44 else if (x[1] == 1)
45 goto L1;
46 }
47
test_invalid_clause()48 void test_invalid_clause() {
49 int i;
50 #pragma omp parallel
51 // expected-warning@+1 {{extra tokens at the end of '#pragma omp for' are ignored}}
52 #pragma omp for foo bar
53 for (i = 0; i < 16; ++i)
54 ;
55 }
56
test_non_identifiers()57 void test_non_identifiers() {
58 int i, x;
59
60 #pragma omp parallel
61 // expected-warning@+1 {{extra tokens at the end of '#pragma omp for' are ignored}}
62 #pragma omp for;
63 for (i = 0; i < 16; ++i)
64 ;
65 #pragma omp parallel
66 // expected-error@+2 {{unexpected OpenMP clause 'linear' in directive '#pragma omp for'}}
67 // expected-warning@+1 {{extra tokens at the end of '#pragma omp for' are ignored}}
68 #pragma omp for linear(x);
69 for (i = 0; i < 16; ++i)
70 ;
71
72 #pragma omp parallel
73 // expected-warning@+1 {{extra tokens at the end of '#pragma omp for' are ignored}}
74 #pragma omp for private(x);
75 for (i = 0; i < 16; ++i)
76 ;
77
78 #pragma omp parallel
79 // expected-warning@+1 {{extra tokens at the end of '#pragma omp for' are ignored}}
80 #pragma omp for, private(x);
81 for (i = 0; i < 16; ++i)
82 ;
83 }
84
85 extern int foo();
86
test_collapse()87 void test_collapse() {
88 int i;
89 #pragma omp parallel
90 // expected-error@+1 {{expected '('}}
91 #pragma omp for collapse
92 for (i = 0; i < 16; ++i)
93 ;
94 #pragma omp parallel
95 // expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
96 #pragma omp for collapse(
97 for (i = 0; i < 16; ++i)
98 ;
99 #pragma omp parallel
100 // expected-error@+1 {{expected expression}}
101 #pragma omp for collapse()
102 for (i = 0; i < 16; ++i)
103 ;
104 #pragma omp parallel
105 // expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
106 #pragma omp for collapse(,
107 for (i = 0; i < 16; ++i)
108 ;
109 #pragma omp parallel
110 // expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
111 #pragma omp for collapse(, )
112 for (i = 0; i < 16; ++i)
113 ;
114 #pragma omp parallel
115 // expected-warning@+2 {{extra tokens at the end of '#pragma omp for' are ignored}}
116 // expected-error@+1 {{expected '('}}
117 #pragma omp for collapse 4)
118 for (i = 0; i < 16; ++i)
119 ;
120 #pragma omp parallel
121 // expected-error@+2 {{expected ')'}}
122 // expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
123 #pragma omp for collapse(4
124 for (i = 0; i < 16; ++i)
125 ; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
126 #pragma omp parallel
127 // expected-error@+2 {{expected ')'}}
128 // expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
129 #pragma omp for collapse(4,
130 for (i = 0; i < 16; ++i)
131 ; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
132 #pragma omp parallel
133 // expected-error@+2 {{expected ')'}}
134 // expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
135 #pragma omp for collapse(4, )
136 for (i = 0; i < 16; ++i)
137 ; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
138 #pragma omp parallel
139 // expected-note@+1 {{as specified in 'collapse' clause}}
140 #pragma omp for collapse(4)
141 for (i = 0; i < 16; ++i)
142 ; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
143 #pragma omp parallel
144 // expected-error@+2 {{expected ')'}}
145 // expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
146 #pragma omp for collapse(4 4)
147 for (i = 0; i < 16; ++i)
148 ; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
149 #pragma omp parallel
150 // expected-error@+2 {{expected ')'}}
151 // expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
152 #pragma omp for collapse(4, , 4)
153 for (i = 0; i < 16; ++i)
154 ; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
155 #pragma omp parallel
156 #pragma omp for collapse(4)
157 for (int i1 = 0; i1 < 16; ++i1)
158 for (int i2 = 0; i2 < 16; ++i2)
159 for (int i3 = 0; i3 < 16; ++i3)
160 for (int i4 = 0; i4 < 16; ++i4)
161 foo();
162 #pragma omp parallel
163 // expected-error@+2 {{expected ')'}}
164 // expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
165 #pragma omp for collapse(4, 8)
166 for (i = 0; i < 16; ++i)
167 ; // expected-error {{expected 4 for loops after '#pragma omp for', but found only 1}}
168 #pragma omp parallel
169 // expected-error@+1 {{expression is not an integer constant expression}}
170 #pragma omp for collapse(2.5)
171 for (i = 0; i < 16; ++i)
172 ;
173 #pragma omp parallel
174 // expected-error@+1 {{expression is not an integer constant expression}}
175 #pragma omp for collapse(foo())
176 for (i = 0; i < 16; ++i)
177 ;
178 #pragma omp parallel
179 // expected-error@+1 {{argument to 'collapse' clause must be a positive integer value}}
180 #pragma omp for collapse(-5)
181 for (i = 0; i < 16; ++i)
182 ;
183 #pragma omp parallel
184 // expected-error@+1 {{argument to 'collapse' clause must be a positive integer value}}
185 #pragma omp for collapse(0)
186 for (i = 0; i < 16; ++i)
187 ;
188 #pragma omp parallel
189 // expected-error@+1 {{argument to 'collapse' clause must be a positive integer value}}
190 #pragma omp for collapse(5 - 5)
191 for (i = 0; i < 16; ++i)
192 ;
193 }
194
test_private()195 void test_private() {
196 int i;
197 #pragma omp parallel
198 // expected-error@+2 {{expected expression}}
199 // expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
200 #pragma omp for private(
201 for (i = 0; i < 16; ++i)
202 ;
203 #pragma omp parallel
204 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
205 // expected-error@+1 2 {{expected expression}}
206 #pragma omp for private(,
207 for (i = 0; i < 16; ++i)
208 ;
209 #pragma omp parallel
210 // expected-error@+1 2 {{expected expression}}
211 #pragma omp for private(, )
212 for (i = 0; i < 16; ++i)
213 ;
214 #pragma omp parallel
215 // expected-error@+1 {{expected expression}}
216 #pragma omp for private()
217 for (i = 0; i < 16; ++i)
218 ;
219 #pragma omp parallel
220 // expected-error@+1 {{expected expression}}
221 #pragma omp for private(int)
222 for (i = 0; i < 16; ++i)
223 ;
224 #pragma omp parallel
225 // expected-error@+1 {{expected variable name}}
226 #pragma omp for private(0)
227 for (i = 0; i < 16; ++i)
228 ;
229
230 int x, y, z;
231 #pragma omp parallel
232 #pragma omp for private(x)
233 for (i = 0; i < 16; ++i)
234 ;
235 #pragma omp parallel
236 #pragma omp for private(x, y)
237 for (i = 0; i < 16; ++i)
238 ;
239 #pragma omp parallel
240 #pragma omp for private(x, y, z)
241 for (i = 0; i < 16; ++i) {
242 x = y * i + z;
243 }
244 }
245
test_lastprivate()246 void test_lastprivate() {
247 int i;
248 #pragma omp parallel
249 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
250 // expected-error@+1 {{expected expression}}
251 #pragma omp for lastprivate(
252 for (i = 0; i < 16; ++i)
253 ;
254
255 #pragma omp parallel
256 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
257 // expected-error@+1 2 {{expected expression}}
258 #pragma omp for lastprivate(,
259 for (i = 0; i < 16; ++i)
260 ;
261 #pragma omp parallel
262 // expected-error@+1 2 {{expected expression}}
263 #pragma omp for lastprivate(, )
264 for (i = 0; i < 16; ++i)
265 ;
266 #pragma omp parallel
267 // expected-error@+1 {{expected expression}}
268 #pragma omp for lastprivate()
269 for (i = 0; i < 16; ++i)
270 ;
271 #pragma omp parallel
272 // expected-error@+1 {{expected expression}}
273 #pragma omp for lastprivate(int)
274 for (i = 0; i < 16; ++i)
275 ;
276 #pragma omp parallel
277 // expected-error@+1 {{expected variable name}}
278 #pragma omp for lastprivate(0)
279 for (i = 0; i < 16; ++i)
280 ;
281
282 int x, y, z;
283 #pragma omp parallel
284 #pragma omp for lastprivate(x)
285 for (i = 0; i < 16; ++i)
286 ;
287 #pragma omp parallel
288 #pragma omp for lastprivate(x, y)
289 for (i = 0; i < 16; ++i)
290 ;
291 #pragma omp parallel
292 #pragma omp for lastprivate(x, y, z)
293 for (i = 0; i < 16; ++i)
294 ;
295 }
296
test_firstprivate()297 void test_firstprivate() {
298 int i;
299 #pragma omp parallel
300 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
301 // expected-error@+1 {{expected expression}}
302 #pragma omp for firstprivate(
303 for (i = 0; i < 16; ++i)
304 ;
305
306 #pragma omp parallel
307 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
308 // expected-error@+1 2 {{expected expression}}
309 #pragma omp for firstprivate(,
310 for (i = 0; i < 16; ++i)
311 ;
312 #pragma omp parallel
313 // expected-error@+1 2 {{expected expression}}
314 #pragma omp for firstprivate(, )
315 for (i = 0; i < 16; ++i)
316 ;
317 #pragma omp parallel
318 // expected-error@+1 {{expected expression}}
319 #pragma omp for firstprivate()
320 for (i = 0; i < 16; ++i)
321 ;
322 #pragma omp parallel
323 // expected-error@+1 {{expected expression}}
324 #pragma omp for firstprivate(int)
325 for (i = 0; i < 16; ++i)
326 ;
327 #pragma omp parallel
328 // expected-error@+1 {{expected variable name}}
329 #pragma omp for firstprivate(0)
330 for (i = 0; i < 16; ++i)
331 ;
332
333 int x, y, z;
334 #pragma omp parallel
335 #pragma omp for lastprivate(x) firstprivate(x)
336 for (i = 0; i < 16; ++i)
337 ;
338 #pragma omp parallel
339 #pragma omp for lastprivate(x, y) firstprivate(x, y)
340 for (i = 0; i < 16; ++i)
341 ;
342 #pragma omp parallel
343 #pragma omp for lastprivate(x, y, z) firstprivate(x, y, z)
344 for (i = 0; i < 16; ++i)
345 ;
346 }
347
test_loop_messages()348 void test_loop_messages() {
349 float a[100], b[100], c[100];
350 #pragma omp parallel
351 // expected-error@+2 {{variable must be of integer or pointer type}}
352 #pragma omp for
353 for (float fi = 0; fi < 10.0; fi++) {
354 c[(int)fi] = a[(int)fi] + b[(int)fi];
355 }
356 #pragma omp parallel
357 // expected-error@+2 {{variable must be of integer or pointer type}}
358 #pragma omp for
359 for (double fi = 0; fi < 10.0; fi++) {
360 c[(int)fi] = a[(int)fi] + b[(int)fi];
361 }
362 }
363
364