xref: /llvm-project/clang/test/OpenMP/distribute_parallel_for_simd_linear_messages.cpp (revision 567a660a252323f2e82abaf48752dcad26d4779e)
1 // RUN: %clang_cc1 -verify -fopenmp %s -Wno-openmp-mapping -Wuninitialized
2 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -DOMP52 %s -Wno-openmp-mapping -Wuninitialized
3 
4 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wno-openmp-mapping -Wuninitialized
5 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -DOMP52 %s -Wno-openmp-mapping -Wuninitialized
6 
7 extern int omp_default_mem_alloc;
8 
xxx(int argc)9 void xxx(int argc) {
10   int i;
11 #pragma omp distribute parallel for simd linear(i)
12   for (i = 0; i < 10; ++i)
13     ;
14 }
15 
16 namespace X {
17   int x;
18 };
19 
20 struct B {
21   static int ib; // expected-note {{'B::ib' declared here}}
bfooB22   static int bfoo() { return 8; }
23 };
24 
bfoo()25 int bfoo() { return 4; }
26 
27 int z;
28 const int C1 = 1;
29 const int C2 = 2;
test_linear_colons()30 void test_linear_colons()
31 {
32   int B = 0;
33 
34 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
35 #pragma omp target
36 #pragma omp teams
37 #pragma omp distribute parallel for simd linear(B:bfoo())
38   for (int i = 0; i < 10; ++i) ;
39 
40 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
41 #pragma omp target
42 #pragma omp teams
43 #pragma omp distribute parallel for simd linear(B::ib:B:bfoo()) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'}}
44   for (int i = 0; i < 10; ++i) ;
45 
46 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
47 #pragma omp target
48 #pragma omp teams
49 #pragma omp distribute parallel for simd linear(B:ib) // expected-error {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
50   for (int i = 0; i < 10; ++i) ;
51 
52 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
53 #pragma omp target
54 #pragma omp teams
55 #pragma omp distribute parallel for simd linear(z:B:ib) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'?}}
56   for (int i = 0; i < 10; ++i) ;
57 
58 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
59 #pragma omp target
60 #pragma omp teams
61 #pragma omp distribute parallel for simd linear(B:B::bfoo())
62   for (int i = 0; i < 10; ++i) ;
63 
64 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
65 #pragma omp target
66 #pragma omp teams
67 #pragma omp distribute parallel for simd linear(X::x : ::z)
68   for (int i = 0; i < 10; ++i) ;
69 
70 // expected-error@+3 3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
71 #pragma omp target
72 #pragma omp teams
73 #pragma omp distribute parallel for simd linear(B,::z, X::x)
74   for (int i = 0; i < 10; ++i) ;
75 
76 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
77 #pragma omp target
78 #pragma omp teams
79 #pragma omp distribute parallel for simd linear(::z)
80   for (int i = 0; i < 10; ++i) ;
81 
82 #pragma omp target
83 #pragma omp teams
84 #pragma omp distribute parallel for simd linear(B::bfoo()) // expected-error {{expected variable name}}
85   for (int i = 0; i < 10; ++i) ;
86 
87 // expected-error@+3 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
88 #pragma omp target
89 #pragma omp teams
90 #pragma omp distribute parallel for simd linear(B::ib,B:C1+C2)
91   for (int i = 0; i < 10; ++i) ;
92 }
93 
test_template(T * arr,N num)94 template<int L, class T, class N> T test_template(T* arr, N num) {
95   N i;
96   T sum = (T)0;
97   T ind2 = - num * L; // expected-note {{'ind2' defined here}}
98 
99 #pragma omp target
100 #pragma omp teams
101 #pragma omp distribute parallel for simd linear(ind2:L) // expected-error {{argument of a linear clause should be of integral or pointer type}}
102   for (i = 0; i < num; ++i) {
103     T cur = arr[(int)ind2];
104     ind2 += L;
105     sum += cur;
106   }
107   return T();
108 }
109 
test_warn()110 template<int LEN> int test_warn() {
111   int ind2 = 0;
112   #pragma omp target
113   #pragma omp teams
114   #pragma omp parallel for simd linear(ind2:LEN) // expected-warning {{zero linear step (ind2 should probably be const)}}
115   for (int i = 0; i < 100; i++) {
116     ind2 += LEN;
117   }
118   return ind2;
119 }
120 
121 struct S1; // expected-note 2 {{declared here}} expected-note 3 {{forward declaration of 'S1'}}
122 extern S1 a;
123 class S2 {
124   mutable int a;
125 public:
S2()126   S2():a(0) { }
127 };
128 const S2 b; // expected-note 2 {{'b' defined here}}
129 const S2 ba[5];
130 class S3 {
131   int a;
132 public:
S3()133   S3():a(0) { }
134 };
135 const S3 ca[5];
136 class S4 {
137   int a;
138   S4();
139 public:
S4(int v)140   S4(int v):a(v) { }
141 };
142 class S5 {
143   int a;
S5()144   S5():a(0) {}
145 public:
S5(int v)146   S5(int v):a(v) { }
147 };
148 
149 S3 h;
150 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
151 
foomain(I argc,C ** argv)152 template<class I, class C> int foomain(I argc, C **argv) {
153   I e(4);
154   I g(5);
155   int i;
156   int &j = i;
157 
158 #pragma omp target
159 #pragma omp teams
160 #pragma omp distribute parallel for simd linear // expected-error {{expected '(' after 'linear'}}
161   for (int k = 0; k < argc; ++k) ++k;
162 
163 #pragma omp target
164 #pragma omp teams
165 #pragma omp distribute parallel for simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
166   for (int k = 0; k < argc; ++k) ++k;
167 
168 #pragma omp target
169 #pragma omp teams
170 #pragma omp distribute parallel for simd linear () // expected-error {{expected expression}}
171   for (int k = 0; k < argc; ++k) ++k;
172 
173 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
174 #pragma omp target
175 #pragma omp teams
176 #pragma omp distribute parallel for simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
177   for (int k = 0; k < argc; ++k) ++k;
178 
179 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
180 #pragma omp target
181 #pragma omp teams
182 #pragma omp distribute parallel for simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
183   for (int k = 0; k < argc; ++k) ++k;
184 
185 #pragma omp target
186 #pragma omp teams
187 #pragma omp distribute parallel for simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
188   for (int k = 0; k < argc; ++k) ++k;
189 
190 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
191 #pragma omp target
192 #pragma omp teams
193 #pragma omp distribute parallel for simd linear (argc : 5)
194   for (int k = 0; k < argc; ++k) ++k;
195 
196 #pragma omp target
197 #pragma omp teams
198 #pragma omp distribute parallel for simd linear (S1) // expected-error {{'S1' does not refer to a value}}
199   for (int k = 0; k < argc; ++k) ++k;
200 
201 #pragma omp target
202 #pragma omp teams
203 #pragma omp distribute parallel for simd linear (a, b:B::ib) // expected-error {{linear variable with incomplete type 'S1'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
204   for (int k = 0; k < argc; ++k) ++k;
205 
206 #pragma omp target
207 #pragma omp teams
208 #pragma omp distribute parallel for simd linear (argv[1]) // expected-error {{expected variable name}}
209   for (int k = 0; k < argc; ++k) ++k;
210 
211 // expected-error@+3 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
212 #pragma omp target
213 #pragma omp teams
214 #pragma omp distribute parallel for simd linear(e, g)
215   for (int k = 0; k < argc; ++k) ++k;
216 
217 #pragma omp target
218 #pragma omp teams
219 #pragma omp distribute parallel for simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
220   for (int k = 0; k < argc; ++k) ++k;
221 
222 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
223 #pragma omp target
224 #pragma omp teams
225 #pragma omp distribute parallel for simd linear(i)
226   for (int k = 0; k < argc; ++k) ++k;
227 
228   #pragma omp parallel
229   {
230     int v = 0;
231     int i;
232     int k;
233     #pragma omp target
234     #pragma omp teams
235     #pragma omp distribute parallel for simd linear(k:i)
236     for (k = 0; k < argc; ++k) { i = k; v += i; }
237   }
238 
239   return 0;
240 }
241 
242 namespace A {
243 double x;
244 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
245 }
246 namespace C {
247 using A::x;
248 }
249 
main(int argc,char ** argv)250 int main(int argc, char **argv) {
251   double darr[100];
252   // expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
253   test_template<-4>(darr, 4);
254   // expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
255   test_warn<0>();
256 
257   S4 e(4); // expected-note {{'e' defined here}}
258   S5 g(5); // expected-note {{'g' defined here}}
259   int i;
260   int &j = i;
261 
262 #pragma omp target
263 #pragma omp teams
264 #pragma omp distribute parallel for simd linear // expected-error {{expected '(' after 'linear'}}
265   for (int k = 0; k < argc; ++k) ++k;
266 
267 #pragma omp target
268 #pragma omp teams
269 #pragma omp distribute parallel for simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
270   for (int k = 0; k < argc; ++k) ++k;
271 
272 #pragma omp target
273 #pragma omp teams
274 #pragma omp distribute parallel for simd linear () // expected-error {{expected expression}}
275   for (int k = 0; k < argc; ++k) ++k;
276 
277 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
278 #pragma omp target
279 #pragma omp teams
280 #pragma omp distribute parallel for simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
281   for (int k = 0; k < argc; ++k) ++k;
282 
283 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
284 #pragma omp target
285 #pragma omp teams
286 #pragma omp distribute parallel for simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
287   for (int k = 0; k < argc; ++k) ++k;
288 
289 #pragma omp target
290 #pragma omp teams
291 #pragma omp distribute parallel for simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
292   for (int k = 0; k < argc; ++k) ++k;
293 
294 // expected-error@+3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
295 #pragma omp target
296 #pragma omp teams
297 #pragma omp distribute parallel for simd linear (argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
298   for (int k = 0; k < argc; ++k) ++k;
299 
300 #pragma omp target
301 #pragma omp teams
302 #pragma omp distribute parallel for simd linear (S1) // expected-error {{'S1' does not refer to a value}}
303   for (int k = 0; k < argc; ++k) ++k;
304 
305 
306 #pragma omp target
307 #pragma omp teams
308 #pragma omp distribute parallel for simd linear (a, b) // expected-error {{linear variable with incomplete type 'S1'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S2'}} expected-error {{incomplete type 'S1' where a complete type is required}}
309   for (int k = 0; k < argc; ++k) ++k;
310 
311 #pragma omp target
312 #pragma omp teams
313 #pragma omp distribute parallel for simd linear (argv[1]) // expected-error {{expected variable name}}
314   for (int k = 0; k < argc; ++k) ++k;
315 
316 #pragma omp target
317 #pragma omp teams
318 #pragma omp distribute parallel for simd linear(e, g) // expected-error {{argument of a linear clause should be of integral or pointer type, not 'S4'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S5'}}
319   for (int k = 0; k < argc; ++k) ++k;
320 
321 #pragma omp target
322 #pragma omp teams
323 #pragma omp distribute parallel for simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
324   for (int k = 0; k < argc; ++k) ++k;
325 
326   #pragma omp parallel
327   {
328     int i;
329     #pragma omp target
330     #pragma omp teams
331     #pragma omp distribute parallel for simd linear(i)
332       for (i = 0; i < argc; ++i) ++i;
333 
334     #pragma omp target
335     #pragma omp teams
336     #pragma omp distribute parallel for simd linear(i : 4)
337       for (i = 0; i < argc; ++i) { ++i; i += 4; }
338 
339 #ifdef OMP52
340     #pragma omp target
341     #pragma omp teams
342     #pragma omp distribute parallel for simd linear(i: step() //omp52-error 2 {{expected expression}} omp52-error{{expected ')'}} omp52-note{{to match this '('}}
343       for (i = 0; i < argc; ++i) ++i;
344     #pragma omp target
345     #pragma omp teams
346     #pragma omp distribute parallel for simd linear(i: step(1), step(2)) // omp52-error {{multiple 'step size' found in linear clause}}
347       for (i = 0; i < argc; ++i) ++i;
348     #pragma omp target
349     #pragma omp teams
350     #pragma omp distribute parallel for simd linear(i: val, val) // omp52-error {{multiple 'linear modifier' found in linear clause}}
351       for (i = 0; i < argc; ++i) ++i;
352     #pragma omp target
353     #pragma omp teams
354     #pragma omp distribute parallel for simd linear(i: step()) // omp52-error 2 {{expected expression}}
355       for (i = 0; i < argc; ++i) ++i;
356     #pragma omp target
357     #pragma omp teams
358     #pragma omp distribute parallel for simd linear(i: pval) // omp52-error {{use of undeclared identifier 'pval'}}
359       for (i = 0; i < argc; ++i) ++i;
360     #pragma omp target
361     #pragma omp teams
362     #pragma omp distribute parallel for simd linear(i: val, step(2 // omp52-error {{expected ')' or ',' after 'step expression'}} omp52-error 2 {{expected ')'}}  omp52-note 2 {{to match this '('}}
363       for (i = 0; i < argc; ++i) ++i;
364 #endif
365   }
366 
367   foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
368   return 0;
369 }
370 
371