1 // RUN: %clang_cc1 -fsyntax-only -fopenmp -triple x86_64-unknown-unknown -verify %s
3 // expected-error@+1 {{unexpected OpenMP directive '#pragma omp for'}}
6 // expected-error@+1 {{unexpected OpenMP directive '#pragma omp for'}}
9 void test_no_clause() {
12 for (i = 0; i < 16; ++i)
15 // expected-error@+2 {{statement after '#pragma omp for' must be a for loop}}
20 void test_branch_protected_scope() {
29 for (i = 0; i < 16; ++i) {
31 goto L1; // expected-error {{use of undeclared label 'L1'}}
33 return; // expected-error {{cannot return from OpenMP region}}
43 goto L2; // expected-error {{use of undeclared label 'L2'}}
48 void test_invalid_clause() {
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)
57 void test_non_identifiers() {
61 // expected-warning@+1 {{extra tokens at the end of '#pragma omp for' are ignored}}
63 for (i = 0; i < 16; ++i)
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)
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)
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)
87 void test_collapse() {
90 // expected-error@+1 {{expected '('}}
91 #pragma omp for collapse
92 for (i = 0; i < 16; ++i)
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)
100 // expected-error@+1 {{expected expression}}
101 #pragma omp for collapse()
102 for (i = 0; i < 16; ++i)
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)
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)
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)
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}}
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}}
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}}
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}}
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}}
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}}
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)
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}}
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)
174 // expected-error@+1 {{expression is not an integer constant expression}}
175 #pragma omp for collapse(foo())
176 for (i = 0; i < 16; ++i)
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)
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)
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)
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)
205 void test_private() {
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)
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)
220 // expected-error@+1 2 {{expected expression}}
221 #pragma omp for private(, )
222 for (i = 0; i < 16; ++i)
225 // expected-error@+1 {{expected expression}}
226 #pragma omp for private()
227 for (i = 0; i < 16; ++i)
230 // expected-error@+1 {{expected expression}}
231 #pragma omp for private(int)
232 for (i = 0; i < 16; ++i)
235 // expected-error@+1 {{expected variable name}}
236 #pragma omp for private(0)
237 for (i = 0; i < 16; ++i)
242 #pragma omp for private(x)
243 for (i = 0; i < 16; ++i)
246 #pragma omp for private(x, y)
247 for (i = 0; i < 16; ++i)
250 #pragma omp for private(x, y, z)
251 for (i = 0; i < 16; ++i) {
256 void test_lastprivate() {
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)
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)
272 // expected-error@+1 2 {{expected expression}}
273 #pragma omp for lastprivate(, )
274 for (i = 0; i < 16; ++i)
277 // expected-error@+1 {{expected expression}}
278 #pragma omp for lastprivate()
279 for (i = 0; i < 16; ++i)
282 // expected-error@+1 {{expected expression}}
283 #pragma omp for lastprivate(int)
284 for (i = 0; i < 16; ++i)
287 // expected-error@+1 {{expected variable name}}
288 #pragma omp for lastprivate(0)
289 for (i = 0; i < 16; ++i)
294 #pragma omp for lastprivate(x)
295 for (i = 0; i < 16; ++i)
298 #pragma omp for lastprivate(x, y)
299 for (i = 0; i < 16; ++i)
302 #pragma omp for lastprivate(x, y, z)
303 for (i = 0; i < 16; ++i)
307 void test_firstprivate() {
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)
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)
323 // expected-error@+1 2 {{expected expression}}
324 #pragma omp for firstprivate(, )
325 for (i = 0; i < 16; ++i)
328 // expected-error@+1 {{expected expression}}
329 #pragma omp for firstprivate()
330 for (i = 0; i < 16; ++i)
333 // expected-error@+1 {{expected expression}}
334 #pragma omp for firstprivate(int)
335 for (i = 0; i < 16; ++i)
338 // expected-error@+1 {{expected variable name}}
339 #pragma omp for firstprivate(0)
340 for (i = 0; i < 16; ++i)
345 #pragma omp for lastprivate(x) firstprivate(x)
346 for (i = 0; i < 16; ++i)
349 #pragma omp for lastprivate(x, y) firstprivate(x, y)
350 for (i = 0; i < 16; ++i)
353 #pragma omp for lastprivate(x, y, z) firstprivate(x, y, z)
354 for (i = 0; i < 16; ++i)
358 void test_loop_messages() {
359 float a[100], b[100], c[100];
361 // expected-error@+2 {{variable must be of integer or pointer type}}
363 for (float fi = 0; fi < 10.0; fi++) {
364 c[(int)fi] = a[(int)fi] + b[(int)fi];
367 // expected-error@+2 {{variable must be of integer or pointer type}}
369 for (double fi = 0; fi < 10.0; fi++) {
370 c[(int)fi] = a[(int)fi] + b[(int)fi];
373 // expected-warning@+2 {{OpenMP loop iteration variable cannot have more than 64 bits size and will be narrowed}}
375 for (__int128 ii = 0; ii < 10; ii++) {
376 c[ii] = a[ii] + b[ii];