1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
2 
3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
4 
5 extern int omp_default_mem_alloc;
foo()6 void foo() {
7 }
8 
foobool(int argc)9 bool foobool(int argc) {
10   return argc;
11 }
12 
13 struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
14 extern S1 a;
15 class S2 {
16   mutable int a;
17 
18 public:
S2()19   S2() : a(0) {}
S2(const S2 & s2)20   S2(const S2 &s2) : a(s2.a) {}
21   static float S2s;
22   static const float S2sc;
23 };
24 const float S2::S2sc = 0;
25 const S2 b;
26 const S2 ba[5];
27 class S3 {
28   int a;
29   S3 &operator=(const S3 &s3);
30 
31 public:
S3()32   S3() : a(0) {}
S3(const S3 & s3)33   S3(const S3 &s3) : a(s3.a) {}
34 };
35 const S3 c;
36 const S3 ca[5];
37 extern const int f;
38 class S4 {
39   int a;
40   S4();
41   S4(const S4 &s4); // expected-note 2 {{implicitly declared private here}}
42 
43 public:
S4(int v)44   S4(int v) : a(v) {}
45 };
46 class S5 {
47   int a;
S5(const S5 & s5)48   S5(const S5 &s5) : a(s5.a) {} // expected-note 2 {{implicitly declared private here}}
49 
50 public:
S5()51   S5() : a(0) {}
S5(int v)52   S5(int v) : a(v) {}
53 };
54 class S6 {
55   int a;
S6()56   S6() : a(0) {} // expected-note {{implicitly declared private here}}
57 
58 public:
S6(const S6 & s6)59   S6(const S6 &s6) : a(s6.a) {}
S6(int v)60   S6(int v) : a(v) {}
61 };
62 
63 S3 h;
64 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
65 
66 template <class I, class C>
foomain(int argc,char ** argv)67 int foomain(int argc, char **argv) {
68   I e(4);
69   C g(5);
70   int i, z;
71   int &j = i;
72 #pragma omp target
73 #pragma omp teams
74 #pragma omp distribute simd firstprivate // expected-error {{expected '(' after 'firstprivate'}}
75   for (int k = 0; k < argc; ++k)
76     ++k;
77 #pragma omp target
78 #pragma omp teams
79 #pragma omp distribute simd firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
80   for (int k = 0; k < argc; ++k)
81     ++k;
82 #pragma omp target
83 #pragma omp teams
84 #pragma omp distribute simd firstprivate() // expected-error {{expected expression}}
85   for (int k = 0; k < argc; ++k)
86     ++k;
87 #pragma omp target
88 #pragma omp teams
89 #pragma omp distribute simd firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
90   for (int k = 0; k < argc; ++k)
91     ++k;
92 #pragma omp target
93 #pragma omp teams
94 #pragma omp distribute simd firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
95   for (int k = 0; k < argc; ++k)
96     ++k;
97 #pragma omp target
98 #pragma omp teams
99 #pragma omp distribute simd firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
100   for (int k = 0; k < argc; ++k)
101     ++k;
102 #pragma omp target
103 #pragma omp teams
104 #pragma omp distribute simd firstprivate(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 '('}}
105   for (int k = 0; k < argc; ++k)
106     ++k;
107 #pragma omp target
108 #pragma omp teams
109 #pragma omp distribute simd firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
110   for (int k = 0; k < argc; ++k)
111     ++k;
112 #pragma omp target
113 #pragma omp teams
114 #pragma omp distribute simd firstprivate(z, a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}} expected-warning {{Type 'const S2' is not trivially copyable and not guaranteed to be mapped correctly}}
115   for (int k = 0; k < argc; ++k)
116     ++k;
117 #pragma omp target
118 #pragma omp teams
119 #pragma omp distribute simd firstprivate(argv[1]) // expected-error {{expected variable name}}
120   for (int k = 0; k < argc; ++k)
121     ++k;
122 #pragma omp target
123 #pragma omp teams
124 #pragma omp distribute simd firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}} expected-warning {{Type 'S4' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning {{Type 'S5' is not trivially copyable and not guaranteed to be mapped correctly}}
125   for (int k = 0; k < argc; ++k)
126     ++k;
127 #pragma omp target
128 #pragma omp teams
129 #pragma omp distribute simd firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
130   for (int k = 0; k < argc; ++k)
131     ++k;
132 #pragma omp parallel
133   {
134     int v = 0;
135     int i;
136 #pragma omp target
137 #pragma omp teams
138 #pragma omp distribute simd firstprivate(i)
139     for (int k = 0; k < argc; ++k) {
140       i = k;
141       v += i;
142     }
143   }
144 #pragma omp parallel shared(i)
145 #pragma omp parallel private(i)
146 #pragma omp target
147 #pragma omp teams
148 #pragma omp distribute simd firstprivate(j)
149   for (int k = 0; k < argc; ++k)
150     ++k;
151 #pragma omp target
152 #pragma omp teams
153 #pragma omp distribute simd firstprivate(i)
154   for (int k = 0; k < argc; ++k)
155     ++k;
156 // expected-error@+3 {{lastprivate variable cannot be firstprivate}} expected-note@+3 {{defined as lastprivate}}
157 #pragma omp target
158 #pragma omp teams
159 #pragma omp distribute simd lastprivate(g) firstprivate(g)
160   for (i = 0; i < argc; ++i)
161     foo();
162 #pragma omp parallel private(i)
163 #pragma omp target
164 #pragma omp teams
165 #pragma omp distribute simd firstprivate(i) // expected-note 2 {{defined as firstprivate}}
166   for (i = 0; i < argc; ++i) // expected-error 2 {{loop iteration variable in the associated loop of 'omp distribute simd' directive may not be firstprivate, predetermined as linear}}
167     foo();
168 #pragma omp parallel reduction(+ : i)
169 #pragma omp target
170 #pragma omp teams
171 #pragma omp distribute simd firstprivate(i) // expected-note 2 {{defined as firstprivate}}
172   for (i = 0; i < argc; ++i) // expected-error 2 {{loop iteration variable in the associated loop of 'omp distribute simd' directive may not be firstprivate, predetermined as linear}}
173     foo();
174   return 0;
175 }
176 
177 namespace A {
178 double x;
179 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
180 }
181 namespace B {
182 using A::x;
183 }
184 
main(int argc,char ** argv)185 int main(int argc, char **argv) {
186   const int d = 5;
187   const int da[5] = {0};
188   S4 e(4);
189   S5 g(5);
190   S3 m;
191   S6 n(2);
192   int i, z;
193   int &j = i;
194 #pragma omp target
195 #pragma omp teams
196 #pragma omp distribute simd firstprivate // expected-error {{expected '(' after 'firstprivate'}}
197   for (i = 0; i < argc; ++i)
198     foo();
199 #pragma omp target
200 #pragma omp teams
201 #pragma omp distribute simd firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
202   for (i = 0; i < argc; ++i)
203     foo();
204 #pragma omp target
205 #pragma omp teams
206 #pragma omp distribute simd firstprivate() // expected-error {{expected expression}}
207   for (i = 0; i < argc; ++i)
208     foo();
209 #pragma omp target
210 #pragma omp teams
211 #pragma omp distribute simd firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
212   for (i = 0; i < argc; ++i)
213     foo();
214 #pragma omp target
215 #pragma omp teams
216 #pragma omp distribute simd firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
217   for (i = 0; i < argc; ++i)
218     foo();
219 #pragma omp target
220 #pragma omp teams
221 #pragma omp distribute simd firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
222   for (i = 0; i < argc; ++i)
223     foo();
224 #pragma omp target
225 #pragma omp teams
226 #pragma omp distribute simd firstprivate(argc, z)
227   for (i = 0; i < argc; ++i)
228     foo();
229 #pragma omp target
230 #pragma omp teams
231 #pragma omp distribute simd firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
232   for (i = 0; i < argc; ++i)
233     foo();
234 #pragma omp target
235 #pragma omp teams
236 #pragma omp distribute simd firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}} expected-error {{incomplete type 'S1' where a complete type is required}} expected-warning {{Type 'const S2' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning {{Type 'const S3' is not trivially copyable and not guaranteed to be mapped correctly}}
237   for (i = 0; i < argc; ++i)
238     foo();
239 #pragma omp target
240 #pragma omp teams
241 #pragma omp distribute simd firstprivate(argv[1]) // expected-error {{expected variable name}}
242   for (i = 0; i < argc; ++i)
243     foo();
244 #pragma omp target
245 #pragma omp teams
246 #pragma omp distribute simd firstprivate(2 * 2) // expected-error {{expected variable name}}
247   for (i = 0; i < argc; ++i)
248     foo();
249 #pragma omp target
250 #pragma omp teams
251 #pragma omp distribute simd firstprivate(ba) // expected-warning {{Type 'const S2 [5]' is not trivially copyable and not guaranteed to be mapped correctly}}
252   for (i = 0; i < argc; ++i)
253     foo();
254 #pragma omp target
255 #pragma omp teams
256 #pragma omp distribute simd firstprivate(ca) // expected-warning {{Type 'const S3 [5]' is not trivially copyable and not guaranteed to be mapped correctly}}
257   for (i = 0; i < argc; ++i)
258     foo();
259 #pragma omp target
260 #pragma omp teams
261 #pragma omp distribute simd firstprivate(da) // OK
262   for (i = 0; i < argc; ++i)
263     foo();
264   int xa;
265 #pragma omp target
266 #pragma omp teams
267 #pragma omp distribute simd firstprivate(xa) // OK
268   for (i = 0; i < argc; ++i)
269     foo();
270 #pragma omp target
271 #pragma omp teams
272 #pragma omp distribute simd firstprivate(S2::S2s) // OK
273   for (i = 0; i < argc; ++i)
274     foo();
275 #pragma omp target
276 #pragma omp teams
277 #pragma omp distribute simd firstprivate(S2::S2sc) // OK
278   for (i = 0; i < argc; ++i)
279     foo();
280 #pragma omp target
281 #pragma omp teams
282 #pragma omp distribute simd safelen(5) // OK
283   for (i = 0; i < argc; ++i)
284     foo();
285 #pragma omp target
286 #pragma omp teams
287 #pragma omp distribute simd firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}} expected-warning {{Type 'S4' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning {{Type 'S5' is not trivially copyable and not guaranteed to be mapped correctly}}
288   for (i = 0; i < argc; ++i)
289     foo();
290 #pragma omp target
291 #pragma omp teams
292 #pragma omp distribute simd firstprivate(m) // expected-warning {{Type 'S3' is not trivially copyable and not guaranteed to be mapped correctly}}
293   for (i = 0; i < argc; ++i)
294     foo();
295 #pragma omp target
296 #pragma omp teams
297 #pragma omp distribute simd firstprivate(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be firstprivate}}
298   for (i = 0; i < argc; ++i)
299     foo();
300 #pragma omp target
301 #pragma omp teams
302 #pragma omp distribute simd private(xa), firstprivate(xa) // expected-error {{private variable cannot be firstprivate}} expected-note {{defined as private}}
303   for (i = 0; i < argc; ++i)
304     foo();
305 #pragma omp target
306 #pragma omp teams
307 #pragma omp distribute simd firstprivate(i) // expected-note {{defined as firstprivate}}
308   for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp distribute simd' directive may not be firstprivate, predetermined as linear}}
309     foo();
310 #pragma omp parallel shared(xa)
311 #pragma omp target
312 #pragma omp teams
313 #pragma omp distribute simd firstprivate(xa) // OK: may be firstprivate
314   for (i = 0; i < argc; ++i)
315     foo();
316 #pragma omp target
317 #pragma omp teams
318 #pragma omp distribute simd firstprivate(j)
319   for (i = 0; i < argc; ++i)
320     foo();
321 // expected-error@+3 {{lastprivate variable cannot be firstprivate}} expected-note@+3 {{defined as lastprivate}}
322 #pragma omp target
323 #pragma omp teams
324 #pragma omp distribute simd lastprivate(g) firstprivate(g) //expected-warning {{Type 'S5' is not trivially copyable and not guaranteed to be mapped correctly}}
325   for (i = 0; i < argc; ++i)
326     foo();
327 // expected-error@+3 {{lastprivate variable cannot be firstprivate}} expected-note@+3 {{defined as lastprivate}}
328 #pragma omp target
329 #pragma omp teams
330 #pragma omp distribute simd lastprivate(n) firstprivate(n) // expected-error {{calling a private constructor of class 'S6'}} expected-warning {{Type 'S6' is not trivially copyable and not guaranteed to be mapped correctly}}
331   for (i = 0; i < argc; ++i)
332     foo();
333 #pragma omp parallel
334   {
335     int v = 0;
336     int i;
337 #pragma omp target
338 #pragma omp teams
339 #pragma omp distribute simd firstprivate(i)
340     for (int k = 0; k < argc; ++k) {
341       i = k;
342       v += i;
343     }
344   }
345 #pragma omp parallel private(i)
346 #pragma omp target
347 #pragma omp teams
348 #pragma omp distribute simd firstprivate(i) // expected-note {{defined as firstprivate}}
349   for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp distribute simd' directive may not be firstprivate, predetermined as linear}}
350     foo();
351 #pragma omp parallel reduction(+ : i)
352 #pragma omp target
353 #pragma omp teams
354 #pragma omp distribute simd firstprivate(i) // expected-note {{defined as firstprivate}}
355   for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp distribute simd' directive may not be firstprivate, predetermined as linear}}
356     foo();
357   static int si;
358 #pragma omp target
359 #pragma omp teams
360 #pragma omp distribute simd firstprivate(si) // OK
361   for (i = 0; i < argc; ++i)
362     si = i + 1;
363 
364   return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
365 }
366