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
|
// RUN: %clang_cc1 %s -fopenacc -verify
struct CompositeOfScalars {
int I;
float F;
short J;
char C;
double D;
_Complex float CF;
_Complex double CD;
};
struct CompositeHasComposite {
int I;
float F;
short J;
char C;
double D;
_Complex float CF;
_Complex double CD;
struct CompositeOfScalars COS; // #COS_FIELD
};
void uses() {
int I;
float F;
int Array[5];
CompositeOfScalars CoS;
CompositeHasComposite ChC;
#pragma acc serial
{
#pragma acc loop reduction(+:CoS, I, F)
for(int i = 0; i < 5; ++i){}
}
#pragma acc serial
{
// expected-error@+1{{OpenACC 'reduction' variable must be of scalar type, sub-array, or a composite of scalar types; type is 'int[5]'}}
#pragma acc loop reduction(+:Array)
for(int i = 0; i < 5; ++i){}
}
#pragma acc serial
{
// expected-error@+2{{OpenACC 'reduction' composite variable must not have non-scalar field}}
// expected-note@#COS_FIELD{{invalid field is here}}
#pragma acc loop reduction(+:ChC)
for(int i = 0; i < 5; ++i){}
}
#pragma acc serial
{
#pragma acc loop reduction(+:I)
for(int i = 0; i < 5; ++i) {
// expected-error@+2{{OpenACC 'reduction' variable must have the same operator in all nested constructs (& vs +)}}
// expected-note@-3{{previous 'reduction' clause is here}}
#pragma acc loop reduction(&:I)
for(int i = 0; i < 5; ++i) {
}
}
}
#pragma acc serial
{
#pragma acc loop reduction(+:I)
for(int i = 0; i < 5; ++i) {
// expected-error@+2{{OpenACC 'reduction' variable must have the same operator in all nested constructs (& vs +)}}
// expected-note@-3{{previous 'reduction' clause is here}}
#pragma acc loop reduction(&:I)
for(int i = 0; i < 5; ++i) {
}
}
}
#pragma acc serial
{
#pragma acc loop reduction(+:I)
for(int i = 0; i < 5; ++i) {
#pragma acc serial
// expected-error@+2{{OpenACC 'reduction' variable must have the same operator in all nested constructs (& vs +)}}
// expected-note@-4{{previous 'reduction' clause is here}}
#pragma acc loop reduction(&:I)
for(int i = 0; i < 5; ++i) {
}
}
}
#pragma acc serial reduction(+:I)
// expected-error@+2{{OpenACC 'reduction' variable must have the same operator in all nested constructs (& vs +)}}
// expected-note@-2{{previous 'reduction' clause is here}}
#pragma acc loop reduction(&:I)
for(int i = 0; i < 5; ++i){}
#pragma acc serial
#pragma acc loop reduction(&:I)
for(int i = 0; i < 5; ++i) {
// expected-error@+2{{OpenACC 'reduction' variable must have the same operator in all nested constructs (+ vs &)}}
// expected-note@-3{{previous 'reduction' clause is here}}
#pragma acc serial reduction(+:I)
;
}
#pragma acc parallel
{
#pragma acc loop reduction(+:I) gang(dim:1)
for(int i = 0; i < 5; ++i) {
}
}
#pragma acc parallel
{
// expected-error@+2{{OpenACC 'gang' clause with a 'dim' value greater than 1 cannot appear on the same 'loop' construct as a 'reduction' clause}}
// expected-note@+1{{previous 'reduction' clause is here}}
#pragma acc loop reduction(+:I) gang(dim:2)
for(int i = 0; i < 5; ++i) {
}
}
#pragma acc parallel
{
// expected-error@+2{{OpenACC 'reduction' clause cannot appear on the same 'loop' construct as a 'gang' clause with a 'dim' value greater than 1}}
// expected-note@+1{{previous 'gang' clause is here}}
#pragma acc loop gang(dim:2) reduction(+:I)
for(int i = 0; i < 5; ++i) {
}
}
#pragma acc parallel
{
// expected-error@+2{{OpenACC 'reduction' clause cannot appear on the same 'loop' construct as a 'gang' clause with a 'dim' value greater than 1}}
// expected-note@+1{{previous 'gang' clause is here}}
#pragma acc loop gang gang(dim:1) gang(dim:2) reduction(+:I)
for(int i = 0; i < 5; ++i) {
}
}
#pragma acc parallel num_gangs(1, 2)
{
// expected-error@+3{{OpenACC 'reduction' clause cannot appear on the same 'loop' construct as a 'gang' clause inside a compute construct with a 'num_gangs' clause with more than one argument}}
// expected-note@+2{{previous 'gang' clause is here}}
// expected-note@-4{{previous 'num_gangs' clause is here}}
#pragma acc loop gang(dim:1) reduction(+:I)
for(int i = 0; i < 5; ++i) {
}
}
#pragma acc parallel num_gangs(2, 3)
{
// expected-error@+3{{OpenACC 'gang' clause cannot appear on the same 'loop' construct as a 'reduction' clause inside a compute construct with a 'num_gangs' clause with more than one argument}}
// expected-note@+2{{previous 'reduction' clause is here}}
// expected-note@-4{{previous 'num_gangs' clause is here}}
#pragma acc loop reduction(+:I) gang(dim:1)
for(int i = 0; i < 5; ++i) {
}
}
}
template<typename IntTy, typename CoSTy, typename ChCTy, unsigned One,
unsigned Two>
void templ_uses() {
IntTy I;
IntTy Array[5];
CoSTy CoS;
ChCTy ChC;
#pragma acc serial
{
#pragma acc loop reduction(+:CoS, I)
for(int i = 0; i < 5; ++i){}
}
#pragma acc serial
{
// expected-error@+1{{OpenACC 'reduction' variable must be of scalar type, sub-array, or a composite of scalar types; type is 'int[5]'}}
#pragma acc loop reduction(+:Array)
for(int i = 0; i < 5; ++i){}
}
#pragma acc serial
{
// expected-error@+2{{OpenACC 'reduction' composite variable must not have non-scalar field}}
// expected-note@#COS_FIELD{{invalid field is here}}
#pragma acc loop reduction(+:ChC)
for(int i = 0; i < 5; ++i){}
}
#pragma acc serial
{
#pragma acc loop reduction(+:I)
for(int i = 0; i < 5; ++i) {
// expected-error@+2{{OpenACC 'reduction' variable must have the same operator in all nested constructs (& vs +)}}
// expected-note@-3{{previous 'reduction' clause is here}}
#pragma acc loop reduction(&:I)
for(int i = 0; i < 5; ++i) {
}
}
}
#pragma acc serial
{
#pragma acc loop reduction(+:Array[3])
for(int i = 0; i < 5; ++i) {
// expected-error@+2{{OpenACC 'reduction' variable must have the same operator in all nested constructs (& vs +)}}
// expected-note@-3{{previous 'reduction' clause is here}}
#pragma acc loop reduction(&:Array[3])
for(int i = 0; i < 5; ++i) {
}
}
}
#pragma acc serial
{
#pragma acc loop reduction(+:Array[0:3])
for(int i = 0; i < 5; ++i) {
// expected-error@+2{{OpenACC 'reduction' variable must have the same operator in all nested constructs (& vs +)}}
// expected-note@-3{{previous 'reduction' clause is here}}
#pragma acc loop reduction(&:Array[1:4])
for(int i = 0; i < 5; ++i) {
}
}
}
#pragma acc serial
{
#pragma acc loop reduction(+:I)
for(int i = 0; i < 5; ++i) {
// expected-error@+2{{OpenACC 'reduction' variable must have the same operator in all nested constructs (& vs +)}}
// expected-note@-3{{previous 'reduction' clause is here}}
#pragma acc serial reduction(&:I)
for(int i = 0; i < 5; ++i) {
}
}
}
#pragma acc parallel
{
#pragma acc loop reduction(+:I) gang(dim:One)
for(int i = 0; i < 5; ++i) {
}
}
#pragma acc parallel
{
// expected-error@+2{{OpenACC 'gang' clause with a 'dim' value greater than 1 cannot appear on the same 'loop' construct as a 'reduction' clause}}
// expected-note@+1{{previous 'reduction' clause is here}}
#pragma acc loop reduction(+:I) gang(dim:2)
for(int i = 0; i < 5; ++i) {
}
}
#pragma acc parallel
{
// expected-error@+2{{OpenACC 'reduction' clause cannot appear on the same 'loop' construct as a 'gang' clause with a 'dim' value greater than 1}}
// expected-note@+1{{previous 'gang' clause is here}}
#pragma acc loop gang(dim:2) reduction(+:I)
for(int i = 0; i < 5; ++i) {
}
}
#pragma acc parallel
{
// expected-error@+2{{OpenACC 'gang' clause with a 'dim' value greater than 1 cannot appear on the same 'loop' construct as a 'reduction' clause}}
// expected-note@+1{{previous 'reduction' clause is here}}
#pragma acc loop reduction(+:I) gang(dim:Two)
for(int i = 0; i < 5; ++i) {
}
}
#pragma acc parallel
{
// expected-error@+2{{OpenACC 'reduction' clause cannot appear on the same 'loop' construct as a 'gang' clause with a 'dim' value greater than 1}}
// expected-note@+1{{previous 'gang' clause is here}}
#pragma acc loop gang(dim:Two) reduction(+:I)
for(int i = 0; i < 5; ++i) {
}
}
#pragma acc parallel num_gangs(One)
{
#pragma acc loop reduction(+:I) gang(dim:One)
for(int i = 0; i < 5; ++i) {
}
}
#pragma acc parallel num_gangs(Two, 1)
{
// expected-error@+3{{OpenACC 'gang' clause cannot appear on the same 'loop' construct as a 'reduction' clause inside a compute construct with a 'num_gangs' clause with more than one argument}}
// expected-note@+2{{previous 'reduction' clause is here}}
// expected-note@-4{{previous 'num_gangs' clause is here}}
#pragma acc loop reduction(+:I) gang(dim:One)
for(int i = 0; i < 5; ++i) {
}
}
#pragma acc parallel num_gangs(Two, 1)
{
// expected-error@+3{{OpenACC 'reduction' clause cannot appear on the same 'loop' construct as a 'gang' clause inside a compute construct with a 'num_gangs' clause with more than one argument}}
// expected-note@+2{{previous 'gang' clause is here}}
// expected-note@-4{{previous 'num_gangs' clause is here}}
#pragma acc loop gang(dim:One) reduction(+:I)
for(int i = 0; i < 5; ++i) {
}
}
#pragma acc parallel num_gangs(One)
{
#pragma acc loop reduction(+:I) gang(dim:1)
for(int i = 0; i < 5; ++i) {
}
}
#pragma acc parallel num_gangs(Two, 1)
{
// expected-error@+3{{OpenACC 'gang' clause cannot appear on the same 'loop' construct as a 'reduction' clause inside a compute construct with a 'num_gangs' clause with more than one argument}}
// expected-note@+2{{previous 'reduction' clause is here}}
// expected-note@-4{{previous 'num_gangs' clause is here}}
#pragma acc loop reduction(+:I) gang(dim:1)
for(int i = 0; i < 5; ++i) {
}
}
#pragma acc parallel num_gangs(Two, 1)
{
// expected-error@+3{{OpenACC 'reduction' clause cannot appear on the same 'loop' construct as a 'gang' clause inside a compute construct with a 'num_gangs' clause with more than one argument}}
// expected-note@+2{{previous 'gang' clause is here}}
// expected-note@-4{{previous 'num_gangs' clause is here}}
#pragma acc loop gang(dim:1) reduction(+:I)
for(int i = 0; i < 5; ++i) {
}
}
#pragma acc parallel num_gangs(1)
{
#pragma acc loop reduction(+:I) gang(dim:One)
for(int i = 0; i < 5; ++i) {
}
}
#pragma acc parallel num_gangs(2, 1)
{
// expected-error@+3{{OpenACC 'gang' clause cannot appear on the same 'loop' construct as a 'reduction' clause inside a compute construct with a 'num_gangs' clause with more than one argument}}
// expected-note@+2{{previous 'reduction' clause is here}}
// expected-note@-4{{previous 'num_gangs' clause is here}}
#pragma acc loop reduction(+:I) gang(dim:One)
for(int i = 0; i < 5; ++i) {
}
}
#pragma acc parallel num_gangs(2, 1)
{
// expected-error@+3{{OpenACC 'reduction' clause cannot appear on the same 'loop' construct as a 'gang' clause inside a compute construct with a 'num_gangs' clause with more than one argument}}
// expected-note@+2{{previous 'gang' clause is here}}
// expected-note@-4{{previous 'num_gangs' clause is here}}
#pragma acc loop gang(dim:One) reduction(+:I)
for(int i = 0; i < 5; ++i) {
}
}
}
void inst() {
// expected-note@+1{{in instantiation of function template specialization}}
templ_uses<int, CompositeOfScalars, CompositeHasComposite, 1, 2>();
}
|
