1 // RUN: %clang_cc1 -fsyntax-only -fopenmp -triple x86_64-unknown-unknown -verify %s
2 
3 // RUN: %clang_cc1 -fsyntax-only -fopenmp-simd -triple x86_64-unknown-unknown -verify %s
4 
5 // expected-error@+1 {{unexpected OpenMP directive '#pragma omp taskloop simd'}}
6 #pragma omp taskloop simd
7 
8 // expected-error@+1 {{unexpected OpenMP directive '#pragma omp taskloop simd'}}
9 #pragma omp taskloop simd foo
10 
11 void test_no_clause() {
12   int i;
13 #pragma omp taskloop simd
14   for (i = 0; i < 16; ++i)
15     ;
16 
17 // expected-error@+2 {{statement after '#pragma omp taskloop simd' must be a for loop}}
18 #pragma omp taskloop simd
19   ++i;
20 }
21 
22 void test_branch_protected_scope() {
23   int i = 0;
24 L1:
25   ++i;
26 
27   int x[24];
28 
29 #pragma omp parallel
30 #pragma omp taskloop simd
31   for (i = 0; i < 16; ++i) {
32     if (i == 5)
33       goto L1; // expected-error {{use of undeclared label 'L1'}}
34     else if (i == 6)
35       return; // expected-error {{cannot return from OpenMP region}}
36     else if (i == 7)
37       goto L2;
38     else if (i == 8) {
39     L2:
40       x[i]++;
41     }
42   }
43 
44   if (x[0] == 0)
45     goto L2; // expected-error {{use of undeclared label 'L2'}}
46   else if (x[1] == 1)
47     goto L1;
48 }
49 
50 void test_invalid_clause() {
51   int i;
52 #pragma omp parallel
53 // expected-warning@+1 {{extra tokens at the end of '#pragma omp taskloop simd' are ignored}}
54 #pragma omp taskloop simd foo bar
55   for (i = 0; i < 16; ++i)
56     ;
57 // expected-error@+1 {{directive '#pragma omp taskloop simd' cannot contain more than one 'nogroup' clause}}
58 #pragma omp taskloop simd nogroup nogroup
59   for (i = 0; i < 16; ++i)
60     ;
61 }
62 
63 void test_non_identifiers() {
64   int i, x;
65 
66 #pragma omp parallel
67 // expected-warning@+1 {{extra tokens at the end of '#pragma omp taskloop simd' are ignored}}
68 #pragma omp taskloop simd;
69   for (i = 0; i < 16; ++i)
70     ;
71 // expected-warning@+2 {{extra tokens at the end of '#pragma omp taskloop simd' are ignored}}
72 #pragma omp parallel
73 #pragma omp taskloop simd linear(x);
74   for (i = 0; i < 16; ++i)
75     ;
76 
77 #pragma omp parallel
78 // expected-warning@+1 {{extra tokens at the end of '#pragma omp taskloop simd' are ignored}}
79 #pragma omp taskloop simd private(x);
80   for (i = 0; i < 16; ++i)
81     ;
82 
83 #pragma omp parallel
84 // expected-warning@+1 {{extra tokens at the end of '#pragma omp taskloop simd' are ignored}}
85 #pragma omp taskloop simd, private(x);
86   for (i = 0; i < 16; ++i)
87     ;
88 }
89 
90 extern int foo();
91 
92 void test_collapse() {
93   int i;
94 #pragma omp parallel
95 // expected-error@+1 {{expected '('}}
96 #pragma omp taskloop simd collapse
97   for (i = 0; i < 16; ++i)
98     ;
99 #pragma omp parallel
100 // expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
101 #pragma omp taskloop simd collapse(
102   for (i = 0; i < 16; ++i)
103     ;
104 #pragma omp parallel
105 // expected-error@+1 {{expected expression}}
106 #pragma omp taskloop simd 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 taskloop simd collapse(,
112   for (i = 0; i < 16; ++i)
113     ;
114 #pragma omp parallel
115 // expected-error@+1 {{expected expression}}  expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
116 #pragma omp taskloop simd collapse(, )
117   for (i = 0; i < 16; ++i)
118     ;
119 #pragma omp parallel
120 // expected-warning@+2 {{extra tokens at the end of '#pragma omp taskloop simd' are ignored}}
121 // expected-error@+1 {{expected '('}}
122 #pragma omp taskloop simd collapse 4)
123   for (i = 0; i < 16; ++i)
124     ;
125 #pragma omp parallel
126 // expected-error@+2 {{expected ')'}}
127 // expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
128 #pragma omp taskloop simd collapse(4
129   for (i = 0; i < 16; ++i)
130     ; // expected-error {{expected 4 for loops after '#pragma omp taskloop simd', but found only 1}}
131 #pragma omp parallel
132 // expected-error@+2 {{expected ')'}}
133 // expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
134 #pragma omp taskloop simd collapse(4,
135   for (i = 0; i < 16; ++i)
136     ; // expected-error {{expected 4 for loops after '#pragma omp taskloop simd', but found only 1}}
137 #pragma omp parallel
138 // expected-error@+2 {{expected ')'}}
139 // expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
140 #pragma omp taskloop simd collapse(4, )
141   for (i = 0; i < 16; ++i)
142     ; // expected-error {{expected 4 for loops after '#pragma omp taskloop simd', but found only 1}}
143 #pragma omp parallel
144 // expected-note@+1 {{as specified in 'collapse' clause}}
145 #pragma omp taskloop simd collapse(4)
146   for (i = 0; i < 16; ++i)
147     ; // expected-error {{expected 4 for loops after '#pragma omp taskloop simd', but found only 1}}
148 #pragma omp parallel
149 // expected-error@+2 {{expected ')'}}
150 // expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
151 #pragma omp taskloop simd collapse(4 4)
152   for (i = 0; i < 16; ++i)
153     ; // expected-error {{expected 4 for loops after '#pragma omp taskloop simd', but found only 1}}
154 #pragma omp parallel
155 // expected-error@+2 {{expected ')'}}
156 // expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
157 #pragma omp taskloop simd collapse(4, , 4)
158   for (i = 0; i < 16; ++i)
159     ; // expected-error {{expected 4 for loops after '#pragma omp taskloop simd', but found only 1}}
160 #pragma omp parallel
161 #pragma omp taskloop simd collapse(4)
162   for (int i1 = 0; i1 < 16; ++i1)
163     for (int i2 = 0; i2 < 16; ++i2)
164       for (int i3 = 0; i3 < 16; ++i3)
165         for (int i4 = 0; i4 < 16; ++i4)
166           foo();
167 #pragma omp parallel
168 // expected-error@+2 {{expected ')'}}
169 // expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
170 #pragma omp taskloop simd collapse(4, 8)
171   for (i = 0; i < 16; ++i)
172     ; // expected-error {{expected 4 for loops after '#pragma omp taskloop simd', but found only 1}}
173 #pragma omp parallel
174 // expected-error@+1 {{expression is not an integer constant expression}}
175 #pragma omp taskloop simd collapse(2.5)
176   for (i = 0; i < 16; ++i)
177     ;
178 #pragma omp parallel
179 // expected-error@+1 {{expression is not an integer constant expression}}
180 #pragma omp taskloop simd collapse(foo())
181   for (i = 0; i < 16; ++i)
182     ;
183 #pragma omp parallel
184 // expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
185 #pragma omp taskloop simd collapse(-5)
186   for (i = 0; i < 16; ++i)
187     ;
188 #pragma omp parallel
189 // expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
190 #pragma omp taskloop simd collapse(0)
191   for (i = 0; i < 16; ++i)
192     ;
193 #pragma omp parallel
194 // expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
195 #pragma omp taskloop simd collapse(5 - 5)
196   for (i = 0; i < 16; ++i)
197     ;
198 }
199 
200 void test_private() {
201   int i;
202 #pragma omp parallel
203 // expected-error@+2 {{expected expression}}
204 // expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
205 #pragma omp taskloop simd private(
206   for (i = 0; i < 16; ++i)
207     ;
208 #pragma omp parallel
209 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
210 // expected-error@+1 2 {{expected expression}}
211 #pragma omp taskloop simd private(,
212   for (i = 0; i < 16; ++i)
213     ;
214 #pragma omp parallel
215 // expected-error@+1 2 {{expected expression}}
216 #pragma omp taskloop simd private(, )
217   for (i = 0; i < 16; ++i)
218     ;
219 #pragma omp parallel
220 // expected-error@+1 {{expected expression}}
221 #pragma omp taskloop simd private()
222   for (i = 0; i < 16; ++i)
223     ;
224 #pragma omp parallel
225 // expected-error@+1 {{expected expression}}
226 #pragma omp taskloop simd private(int)
227   for (i = 0; i < 16; ++i)
228     ;
229 #pragma omp parallel
230 // expected-error@+1 {{expected variable name}}
231 #pragma omp taskloop simd private(0)
232   for (i = 0; i < 16; ++i)
233     ;
234 
235   int x, y, z;
236 #pragma omp parallel
237 #pragma omp taskloop simd private(x)
238   for (i = 0; i < 16; ++i)
239     ;
240 #pragma omp parallel
241 #pragma omp taskloop simd private(x, y)
242   for (i = 0; i < 16; ++i)
243     ;
244 #pragma omp parallel
245 #pragma omp taskloop simd private(x, y, z)
246   for (i = 0; i < 16; ++i) {
247     x = y * i + z;
248   }
249 }
250 
251 void test_lastprivate() {
252   int i;
253 #pragma omp parallel
254 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
255 // expected-error@+1 {{expected expression}}
256 #pragma omp taskloop simd lastprivate(
257   for (i = 0; i < 16; ++i)
258     ;
259 
260 #pragma omp parallel
261 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
262 // expected-error@+1 2 {{expected expression}}
263 #pragma omp taskloop simd lastprivate(,
264   for (i = 0; i < 16; ++i)
265     ;
266 #pragma omp parallel
267 // expected-error@+1 2 {{expected expression}}
268 #pragma omp taskloop simd lastprivate(, )
269   for (i = 0; i < 16; ++i)
270     ;
271 #pragma omp parallel
272 // expected-error@+1 {{expected expression}}
273 #pragma omp taskloop simd lastprivate()
274   for (i = 0; i < 16; ++i)
275     ;
276 #pragma omp parallel
277 // expected-error@+1 {{expected expression}}
278 #pragma omp taskloop simd lastprivate(int)
279   for (i = 0; i < 16; ++i)
280     ;
281 #pragma omp parallel
282 // expected-error@+1 {{expected variable name}}
283 #pragma omp taskloop simd lastprivate(0)
284   for (i = 0; i < 16; ++i)
285     ;
286 
287   int x, y, z;
288 #pragma omp parallel
289 #pragma omp taskloop simd lastprivate(x)
290   for (i = 0; i < 16; ++i)
291     ;
292 #pragma omp parallel
293 #pragma omp taskloop simd lastprivate(x, y)
294   for (i = 0; i < 16; ++i)
295     ;
296 #pragma omp parallel
297 #pragma omp taskloop simd lastprivate(x, y, z)
298   for (i = 0; i < 16; ++i)
299     ;
300 }
301 
302 void test_firstprivate() {
303   int i;
304 #pragma omp parallel
305 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
306 // expected-error@+1 {{expected expression}}
307 #pragma omp taskloop simd firstprivate(
308   for (i = 0; i < 16; ++i)
309     ;
310 
311 #pragma omp parallel
312 // expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
313 // expected-error@+1 2 {{expected expression}}
314 #pragma omp taskloop simd firstprivate(,
315   for (i = 0; i < 16; ++i)
316     ;
317 #pragma omp parallel
318 // expected-error@+1 2 {{expected expression}}
319 #pragma omp taskloop simd firstprivate(, )
320   for (i = 0; i < 16; ++i)
321     ;
322 #pragma omp parallel
323 // expected-error@+1 {{expected expression}}
324 #pragma omp taskloop simd firstprivate()
325   for (i = 0; i < 16; ++i)
326     ;
327 #pragma omp parallel
328 // expected-error@+1 {{expected expression}}
329 #pragma omp taskloop simd firstprivate(int)
330   for (i = 0; i < 16; ++i)
331     ;
332 #pragma omp parallel
333 // expected-error@+1 {{expected variable name}}
334 #pragma omp taskloop simd firstprivate(0)
335   for (i = 0; i < 16; ++i)
336     ;
337 
338   int x, y, z;
339 #pragma omp parallel
340 #pragma omp taskloop simd lastprivate(x) firstprivate(x)
341   for (i = 0; i < 16; ++i)
342     ;
343 #pragma omp parallel
344 #pragma omp taskloop simd lastprivate(x, y) firstprivate(x, y)
345   for (i = 0; i < 16; ++i)
346     ;
347 #pragma omp parallel
348 #pragma omp taskloop simd lastprivate(x, y, z) firstprivate(x, y, z)
349   for (i = 0; i < 16; ++i)
350     ;
351 // expected-error@+1 {{the value of 'simdlen' parameter must be less than or equal to the value of the 'safelen' parameter}}
352 #pragma omp taskloop simd simdlen(64) safelen(8)
353   for (i = 0; i < 16; ++i)
354     ;
355 }
356 
357 void test_loop_messages() {
358   float a[100], b[100], c[100];
359 #pragma omp parallel
360 // expected-error@+2 {{variable must be of integer or pointer type}}
361 #pragma omp taskloop simd
362   for (float fi = 0; fi < 10.0; fi++) {
363     c[(int)fi] = a[(int)fi] + b[(int)fi];
364   }
365 #pragma omp parallel
366 // expected-error@+2 {{variable must be of integer or pointer type}}
367 #pragma omp taskloop simd
368   for (double fi = 0; fi < 10.0; fi++) {
369     c[(int)fi] = a[(int)fi] + b[(int)fi];
370   }
371 
372   // expected-warning@+2 {{OpenMP loop iteration variable cannot have more than 64 bits size and will be narrowed}}
373   #pragma omp taskloop simd
374   for (__int128 ii = 0; ii < 10; ii++) {
375     c[ii] = a[ii] + b[ii];
376   }
377 }
378 
379