1 // RUN: %clang_cc1 -fsyntax-only -fopenmp=libiomp5 -triple x86_64-unknown-unknown -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 #pragma omp parallel
194 #pragma omp for collapse(2)
195 for (i = 0; i < 16; ++i)
196 // expected-note@+1 {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp for' directive into a parallel or another task region?}}
197 for (int j = 0; j < 16; ++j)
198 // expected-error@+2 {{private variable cannot be reduction}}
199 // expected-error@+1 {{region cannot be closely nested inside 'for' region; perhaps you forget to enclose 'omp for' directive into a parallel region?}}
200 #pragma omp for reduction(+ : i, j)
201 for (int k = 0; k < 16; ++k)
202 i += j;
203 }
204
test_private()205 void test_private() {
206 int i;
207 #pragma omp parallel
208 // expected-error@+2 {{expected expression}}
209 // expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
210 #pragma omp for private(
211 for (i = 0; i < 16; ++i)
212 ;
213 #pragma omp parallel
214 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
215 // expected-error@+1 2 {{expected expression}}
216 #pragma omp for private(,
217 for (i = 0; i < 16; ++i)
218 ;
219 #pragma omp parallel
220 // expected-error@+1 2 {{expected expression}}
221 #pragma omp for private(, )
222 for (i = 0; i < 16; ++i)
223 ;
224 #pragma omp parallel
225 // expected-error@+1 {{expected expression}}
226 #pragma omp for private()
227 for (i = 0; i < 16; ++i)
228 ;
229 #pragma omp parallel
230 // expected-error@+1 {{expected expression}}
231 #pragma omp for private(int)
232 for (i = 0; i < 16; ++i)
233 ;
234 #pragma omp parallel
235 // expected-error@+1 {{expected variable name}}
236 #pragma omp for private(0)
237 for (i = 0; i < 16; ++i)
238 ;
239
240 int x, y, z;
241 #pragma omp parallel
242 #pragma omp for private(x)
243 for (i = 0; i < 16; ++i)
244 ;
245 #pragma omp parallel
246 #pragma omp for private(x, y)
247 for (i = 0; i < 16; ++i)
248 ;
249 #pragma omp parallel
250 #pragma omp for private(x, y, z)
251 for (i = 0; i < 16; ++i) {
252 x = y * i + z;
253 }
254 }
255
test_lastprivate()256 void test_lastprivate() {
257 int i;
258 #pragma omp parallel
259 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
260 // expected-error@+1 {{expected expression}}
261 #pragma omp for lastprivate(
262 for (i = 0; i < 16; ++i)
263 ;
264
265 #pragma omp parallel
266 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
267 // expected-error@+1 2 {{expected expression}}
268 #pragma omp for lastprivate(,
269 for (i = 0; i < 16; ++i)
270 ;
271 #pragma omp parallel
272 // expected-error@+1 2 {{expected expression}}
273 #pragma omp for lastprivate(, )
274 for (i = 0; i < 16; ++i)
275 ;
276 #pragma omp parallel
277 // expected-error@+1 {{expected expression}}
278 #pragma omp for lastprivate()
279 for (i = 0; i < 16; ++i)
280 ;
281 #pragma omp parallel
282 // expected-error@+1 {{expected expression}}
283 #pragma omp for lastprivate(int)
284 for (i = 0; i < 16; ++i)
285 ;
286 #pragma omp parallel
287 // expected-error@+1 {{expected variable name}}
288 #pragma omp for lastprivate(0)
289 for (i = 0; i < 16; ++i)
290 ;
291
292 int x, y, z;
293 #pragma omp parallel
294 #pragma omp for lastprivate(x)
295 for (i = 0; i < 16; ++i)
296 ;
297 #pragma omp parallel
298 #pragma omp for lastprivate(x, y)
299 for (i = 0; i < 16; ++i)
300 ;
301 #pragma omp parallel
302 #pragma omp for lastprivate(x, y, z)
303 for (i = 0; i < 16; ++i)
304 ;
305 }
306
test_firstprivate()307 void test_firstprivate() {
308 int i;
309 #pragma omp parallel
310 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
311 // expected-error@+1 {{expected expression}}
312 #pragma omp for firstprivate(
313 for (i = 0; i < 16; ++i)
314 ;
315
316 #pragma omp parallel
317 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
318 // expected-error@+1 2 {{expected expression}}
319 #pragma omp for firstprivate(,
320 for (i = 0; i < 16; ++i)
321 ;
322 #pragma omp parallel
323 // expected-error@+1 2 {{expected expression}}
324 #pragma omp for firstprivate(, )
325 for (i = 0; i < 16; ++i)
326 ;
327 #pragma omp parallel
328 // expected-error@+1 {{expected expression}}
329 #pragma omp for firstprivate()
330 for (i = 0; i < 16; ++i)
331 ;
332 #pragma omp parallel
333 // expected-error@+1 {{expected expression}}
334 #pragma omp for firstprivate(int)
335 for (i = 0; i < 16; ++i)
336 ;
337 #pragma omp parallel
338 // expected-error@+1 {{expected variable name}}
339 #pragma omp for firstprivate(0)
340 for (i = 0; i < 16; ++i)
341 ;
342
343 int x, y, z;
344 #pragma omp parallel
345 #pragma omp for lastprivate(x) firstprivate(x)
346 for (i = 0; i < 16; ++i)
347 ;
348 #pragma omp parallel
349 #pragma omp for lastprivate(x, y) firstprivate(x, y)
350 for (i = 0; i < 16; ++i)
351 ;
352 #pragma omp parallel
353 #pragma omp for lastprivate(x, y, z) firstprivate(x, y, z)
354 for (i = 0; i < 16; ++i)
355 ;
356 }
357
test_loop_messages()358 void test_loop_messages() {
359 float a[100], b[100], c[100];
360 #pragma omp parallel
361 // expected-error@+2 {{variable must be of integer or pointer type}}
362 #pragma omp for
363 for (float fi = 0; fi < 10.0; fi++) {
364 c[(int)fi] = a[(int)fi] + b[(int)fi];
365 }
366 #pragma omp parallel
367 // expected-error@+2 {{variable must be of integer or pointer type}}
368 #pragma omp for
369 for (double fi = 0; fi < 10.0; fi++) {
370 c[(int)fi] = a[(int)fi] + b[(int)fi];
371 }
372
373 // expected-warning@+2 {{OpenMP loop iteration variable cannot have more than 64 bits size and will be narrowed}}
374 #pragma omp for
375 for (__int128 ii = 0; ii < 10; ii++) {
376 c[ii] = a[ii] + b[ii];
377 }
378 }
379
380