Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
// RUN: %clang_cc1 -fsyntax-only -fopenmp -verify %s

// RUN: %clang_cc1 -fsyntax-only -fopenmp-simd -verify %s

// expected-error@+1 {{unexpected OpenMP directive '#pragma omp target simd'}}
#pragma omp target simd

// expected-error@+1 {{unexpected OpenMP directive '#pragma omp target simd'}}
#pragma omp target simd foo

void test_no_clause() {
  int i;
#pragma omp target simd
  for (i = 0; i < 16; ++i)
    ;

// expected-error@+2 {{statement after '#pragma omp target simd' must be a for loop}}
#pragma omp target simd
  ++i;
}

void test_branch_protected_scope() {
  int i = 0;
L1:
  ++i;

  int x[24];

#pragma omp target simd
  for (i = 0; i < 16; ++i) {
    if (i == 5)
      goto L1; // expected-error {{use of undeclared label 'L1'}}
    else if (i == 6)
      return; // expected-error {{cannot return from OpenMP region}}
    else if (i == 7)
      goto L2;
    else if (i == 8) {
    L2:
      x[i]++;
    }
  }

  if (x[0] == 0)
    goto L2; // expected-error {{use of undeclared label 'L2'}}
  else if (x[1] == 1)
    goto L1;
}

void test_invalid_clause() {
  int i;
// expected-warning@+1 {{extra tokens at the end of '#pragma omp target simd' are ignored}}
#pragma omp target simd foo bar
  for (i = 0; i < 16; ++i)
    ;
}

void test_non_identifiers() {
  int i, x;

// expected-warning@+1 {{extra tokens at the end of '#pragma omp target simd' are ignored}}
#pragma omp target simd;
  for (i = 0; i < 16; ++i)
    ;

// expected-warning@+1 {{extra tokens at the end of '#pragma omp target simd' are ignored}}
#pragma omp target simd private(x);
  for (i = 0; i < 16; ++i)
    ;

// expected-warning@+1 {{extra tokens at the end of '#pragma omp target simd' are ignored}}
#pragma omp target simd, private(x);
  for (i = 0; i < 16; ++i)
    ;
}

extern int foo();

void test_collapse() {
  int i;
// expected-error@+1 {{expected '('}}
#pragma omp target simd collapse
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp target simd collapse(
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected expression}}
#pragma omp target simd collapse()
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp target simd collapse(,
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected expression}}  expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp target simd collapse(, )
  for (i = 0; i < 16; ++i)
    ;
// expected-warning@+2 {{extra tokens at the end of '#pragma omp target simd' are ignored}}
// expected-error@+1 {{expected '('}}
#pragma omp target simd collapse 4)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
#pragma omp target simd collapse(4
  for (i = 0; i < 16; ++i)
    ; // expected-error {{expected 4 for loops after '#pragma omp target simd', but found only 1}}
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
#pragma omp target simd collapse(4,
  for (i = 0; i < 16; ++i)
    ; // expected-error {{expected 4 for loops after '#pragma omp target simd', but found only 1}}
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
#pragma omp target simd collapse(4, )
  for (i = 0; i < 16; ++i)
    ; // expected-error {{expected 4 for loops after '#pragma omp target simd', but found only 1}}
// expected-note@+1 {{as specified in 'collapse' clause}}
#pragma omp target simd collapse(4)
  for (i = 0; i < 16; ++i)
    ; // expected-error {{expected 4 for loops after '#pragma omp target simd', but found only 1}}
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
#pragma omp target simd collapse(4 4)
  for (i = 0; i < 16; ++i)
    ; // expected-error {{expected 4 for loops after '#pragma omp target simd', but found only 1}}
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
#pragma omp target simd collapse(4, , 4)
  for (i = 0; i < 16; ++i)
    ; // expected-error {{expected 4 for loops after '#pragma omp target simd', but found only 1}}
#pragma omp target simd collapse(4)
  for (int i1 = 0; i1 < 16; ++i1)
    for (int i2 = 0; i2 < 16; ++i2)
      for (int i3 = 0; i3 < 16; ++i3)
        for (int i4 = 0; i4 < 16; ++i4)
          foo();
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}} expected-note@+1 {{as specified in 'collapse' clause}}
#pragma omp target simd collapse(4, 8)
  for (i = 0; i < 16; ++i)
    ; // expected-error {{expected 4 for loops after '#pragma omp target simd', but found only 1}}
// expected-error@+1 {{expression is not an integer constant expression}}
#pragma omp target simd collapse(2.5)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expression is not an integer constant expression}}
#pragma omp target simd collapse(foo())
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
#pragma omp target simd collapse(-5)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
#pragma omp target simd collapse(0)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{argument to 'collapse' clause must be a strictly positive integer value}}
#pragma omp target simd collapse(5 - 5)
  for (i = 0; i < 16; ++i)
    ;
}

void test_private() {
  int i;
// expected-error@+2 {{expected expression}}
// expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp target simd private(
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
// expected-error@+1 2 {{expected expression}}
#pragma omp target simd private(,
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 2 {{expected expression}}
#pragma omp target simd private(, )
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected expression}}
#pragma omp target simd private()
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected expression}}
#pragma omp target simd private(int)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected variable name}}
#pragma omp target simd private(0)
  for (i = 0; i < 16; ++i)
    ;

  int x, y, z;
#pragma omp target simd private(x)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target simd private(x, y)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target simd private(x, y, z)
  for (i = 0; i < 16; ++i) {
    x = y * i + z;
  }
}

void test_lastprivate() {
  int i;
// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
// expected-error@+1 {{expected expression}}
#pragma omp target simd lastprivate(
  for (i = 0; i < 16; ++i)
    ;

// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
// expected-error@+1 2 {{expected expression}}
#pragma omp target simd lastprivate(,
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 2 {{expected expression}}
#pragma omp target simd lastprivate(, )
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected expression}}
#pragma omp target simd lastprivate()
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected expression}}
#pragma omp target simd lastprivate(int)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected variable name}}
#pragma omp target simd lastprivate(0)
  for (i = 0; i < 16; ++i)
    ;

  int x, y, z;
#pragma omp target simd lastprivate(x)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target simd lastprivate(x, y)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target simd lastprivate(x, y, z)
  for (i = 0; i < 16; ++i)
    ;
}

void test_firstprivate() {
  int i;
// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
// expected-error@+1 {{expected expression}}
#pragma omp target simd firstprivate(
  for (i = 0; i < 16; ++i)
    ;

// expected-error@+2 {{expected ')'}} expected-note@+2 {{to match this '('}}
// expected-error@+1 2 {{expected expression}}
#pragma omp target simd firstprivate(,
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 2 {{expected expression}}
#pragma omp target simd firstprivate(, )
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected expression}}
#pragma omp target simd firstprivate()
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected expression}}
#pragma omp target simd firstprivate(int)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected variable name}}
#pragma omp target simd firstprivate(0)
  for (i = 0; i < 16; ++i)
    ;

  int x, y, z;
#pragma omp target simd lastprivate(x) firstprivate(x)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target simd lastprivate(x, y) firstprivate(x, y)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target simd lastprivate(x, y, z) firstprivate(x, y, z)
  for (i = 0; i < 16; ++i)
    ;
}

void test_loop_messages() {
  float a[100], b[100], c[100];
// expected-error@+2 {{variable must be of integer or pointer type}}
#pragma omp target simd
  for (float fi = 0; fi < 10.0; fi++) {
    c[(int)fi] = a[(int)fi] + b[(int)fi];
  }
// expected-error@+2 {{variable must be of integer or pointer type}}
#pragma omp target simd
  for (double fi = 0; fi < 10.0; fi++) {
    c[(int)fi] = a[(int)fi] + b[(int)fi];
  }
}

void test_safelen() {
  int i;
// expected-error@+1 {{expected '('}}
#pragma omp target simd safelen
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp target simd safelen(
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected expression}}
#pragma omp target simd safelen()
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp target simd safelen(,
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected expression}}  expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp target simd safelen(, )
  for (i = 0; i < 16; ++i)
    ;
// expected-warning@+2 {{extra tokens at the end of '#pragma omp target simd' are ignored}}
// expected-error@+1 {{expected '('}}
#pragma omp target simd safelen 4)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}}
#pragma omp target simd safelen(4
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}}
#pragma omp target simd safelen(4,
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}}
#pragma omp target simd safelen(4, )
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target simd safelen(4)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}}
#pragma omp target simd safelen(4 4)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}}
#pragma omp target simd safelen(4, , 4)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target simd safelen(4)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}}
#pragma omp target simd safelen(4, 8)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expression is not an integer constant expression}}
#pragma omp target simd safelen(2.5)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expression is not an integer constant expression}}
#pragma omp target simd safelen(foo())
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{argument to 'safelen' clause must be a strictly positive integer value}}
#pragma omp target simd safelen(-5)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{argument to 'safelen' clause must be a strictly positive integer value}}
#pragma omp target simd safelen(0)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{argument to 'safelen' clause must be a strictly positive integer value}}
#pragma omp target simd safelen(5 - 5)
  for (i = 0; i < 16; ++i)
    ;
}

void test_simdlen() {
  int i;
// expected-error@+1 {{expected '('}}
#pragma omp target simd simdlen
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp target simd simdlen(
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected expression}}
#pragma omp target simd simdlen()
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected expression}} expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp target simd simdlen(,
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expected expression}}  expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp target simd simdlen(, )
  for (i = 0; i < 16; ++i)
    ;
// expected-warning@+2 {{extra tokens at the end of '#pragma omp target simd' are ignored}}
// expected-error@+1 {{expected '('}}
#pragma omp target simd simdlen 4)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}}
#pragma omp target simd simdlen(4
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}}
#pragma omp target simd simdlen(4,
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}}
#pragma omp target simd simdlen(4, )
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target simd simdlen(4)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}}
#pragma omp target simd simdlen(4 4)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}}
#pragma omp target simd simdlen(4, , 4)
  for (i = 0; i < 16; ++i)
    ;
#pragma omp target simd simdlen(4)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+2 {{expected ')'}}
// expected-note@+1 {{to match this '('}}
#pragma omp target simd simdlen(4, 8)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expression is not an integer constant expression}}
#pragma omp target simd simdlen(2.5)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{expression is not an integer constant expression}}
#pragma omp target simd simdlen(foo())
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{argument to 'simdlen' clause must be a strictly positive integer value}}
#pragma omp target simd simdlen(-5)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{argument to 'simdlen' clause must be a strictly positive integer value}}
#pragma omp target simd simdlen(0)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{argument to 'simdlen' clause must be a strictly positive integer value}}
#pragma omp target simd simdlen(5 - 5)
  for (i = 0; i < 16; ++i)
    ;
}

void test_safelen_simdlen() {
  int i;
// expected-error@+1 {{the value of 'simdlen' parameter must be less than or equal to the value of the 'safelen' parameter}}
#pragma omp target simd simdlen(6) safelen(5)
  for (i = 0; i < 16; ++i)
    ;
// expected-error@+1 {{the value of 'simdlen' parameter must be less than or equal to the value of the 'safelen' parameter}}
#pragma omp target simd safelen(5) simdlen(6)
  for (i = 0; i < 16; ++i)
    ;
}