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;
6 void foo() {
7 }
8 
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:
19   S2() : a(0) {}
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:
32   S3() : a(0) {}
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:
44   S4(int v) : a(v) {}
45 };
46 class S5 {
47   int a;
48   S5(const S5 &s5) : a(s5.a) {} // expected-note 4 {{implicitly declared private here}}
49 
50 public:
51   S5() : a(0) {}
52   S5(int v) : a(v) {}
53 };
54 class S6 {
55   int a;
56   S6() : a(0) {}
57 
58 public:
59   S6(const S6 &s6) : a(s6.a) {}
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>
67 int foomain(int argc, char **argv) {
68   I e(4);
69   C g(5);
70   int i;
71   int &j = i;
72 #pragma omp parallel
73 #pragma omp for simd firstprivate // expected-error {{expected '(' after 'firstprivate'}}
74   for (int k = 0; k < argc; ++k)
75     ++k;
76 #pragma omp parallel
77 #pragma omp for simd firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
78   for (int k = 0; k < argc; ++k)
79     ++k;
80 #pragma omp parallel
81 #pragma omp for simd firstprivate() // expected-error {{expected expression}}
82   for (int k = 0; k < argc; ++k)
83     ++k;
84 #pragma omp parallel
85 #pragma omp for simd firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
86   for (int k = 0; k < argc; ++k)
87     ++k;
88 #pragma omp parallel
89 #pragma omp for simd firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
90   for (int k = 0; k < argc; ++k)
91     ++k;
92 #pragma omp parallel
93 #pragma omp for simd firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
94   for (int k = 0; k < argc; ++k)
95     ++k;
96 #pragma omp parallel
97 #pragma omp for 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 '('}}
98   for (int k = 0; k < argc; ++k)
99     ++k;
100 #pragma omp parallel
101 #pragma omp for simd firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
102   for (int k = 0; k < argc; ++k)
103     ++k;
104 #pragma omp parallel
105 #pragma omp for simd firstprivate(a, b) // expected-error {{a firstprivate variable with incomplete type 'S1'}}
106   for (int k = 0; k < argc; ++k)
107     ++k;
108 #pragma omp parallel
109 #pragma omp for simd firstprivate(argv[1]) // expected-error {{expected variable name}}
110   for (int k = 0; k < argc; ++k)
111     ++k;
112 #pragma omp parallel
113 #pragma omp for simd firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
114   for (int k = 0; k < argc; ++k)
115     ++k;
116 #pragma omp parallel
117 #pragma omp for simd firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
118   for (int k = 0; k < argc; ++k)
119     ++k;
120 #pragma omp parallel
121 #pragma omp for simd linear(i)
122   for (int k = 0; k < argc; ++k)
123     ++k;
124 #pragma omp parallel
125   {
126     int v = 0;
127     int i;                      // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp for simd' directive into a parallel or another task region?}}
128 #pragma omp for simd firstprivate(i) // expected-error {{firstprivate variable must be shared}}
129     for (int k = 0; k < argc; ++k) {
130       i = k;
131       v += i;
132     }
133   }
134 #pragma omp parallel shared(i)
135 #pragma omp parallel private(i)
136 #pragma omp for simd firstprivate(j)
137   for (int k = 0; k < argc; ++k)
138     ++k;
139 #pragma omp parallel
140 #pragma omp for simd firstprivate(i)
141   for (int k = 0; k < argc; ++k)
142     ++k;
143 #pragma omp parallel
144 #pragma omp for simd lastprivate(g) firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
145   for (i = 0; i < argc; ++i)
146     foo();
147 #pragma omp parallel private(i) // expected-note {{defined as private}}
148 #pragma omp for simd firstprivate(i) // expected-error {{firstprivate variable must be shared}}
149   for (i = 0; i < argc; ++i)
150     foo();
151 #pragma omp parallel reduction(+ : i) // expected-note {{defined as reduction}}
152 #pragma omp for simd firstprivate(i)       // expected-error {{firstprivate variable must be shared}}
153   for (int k = 0; k < argc; ++k)
154     foo();
155   return 0;
156 }
157 
158 namespace A {
159 double x;
160 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
161 }
162 namespace B {
163 using A::x;
164 }
165 
166 int main(int argc, char **argv) {
167   const int d = 5;
168   const int da[5] = {0};
169   S4 e(4);
170   S5 g(5);
171   S3 m;
172   S6 n(2);
173   int i;
174   int &j = i;
175 #pragma omp parallel
176 #pragma omp for simd firstprivate // expected-error {{expected '(' after 'firstprivate'}}
177   for (i = 0; i < argc; ++i)
178     foo();
179 #pragma omp parallel
180 #pragma omp for simd firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
181   for (i = 0; i < argc; ++i)
182     foo();
183 #pragma omp parallel
184 #pragma omp for simd firstprivate() // expected-error {{expected expression}}
185   for (i = 0; i < argc; ++i)
186     foo();
187 #pragma omp parallel
188 #pragma omp for simd firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
189   for (i = 0; i < argc; ++i)
190     foo();
191 #pragma omp parallel
192 #pragma omp for simd firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
193   for (i = 0; i < argc; ++i)
194     foo();
195 #pragma omp parallel
196 #pragma omp for simd firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
197   for (i = 0; i < argc; ++i)
198     foo();
199 #pragma omp parallel
200 #pragma omp for simd firstprivate(argc)
201   for (i = 0; i < argc; ++i)
202     foo();
203 #pragma omp parallel
204 #pragma omp for simd firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
205   for (i = 0; i < argc; ++i)
206     foo();
207 #pragma omp parallel
208 #pragma omp for simd firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}}
209   for (i = 0; i < argc; ++i)
210     foo();
211 #pragma omp parallel
212 #pragma omp for simd firstprivate(argv[1]) // expected-error {{expected variable name}}
213   for (i = 0; i < argc; ++i)
214     foo();
215 #pragma omp parallel
216 #pragma omp for simd firstprivate(2 * 2) // expected-error {{expected variable name}}
217   for (i = 0; i < argc; ++i)
218     foo();
219 #pragma omp parallel
220 #pragma omp for simd firstprivate(ba) // OK
221   for (i = 0; i < argc; ++i)
222     foo();
223 #pragma omp parallel
224 #pragma omp for simd firstprivate(ca) // OK
225   for (i = 0; i < argc; ++i)
226     foo();
227 #pragma omp parallel
228 #pragma omp for simd firstprivate(da) // OK
229   for (i = 0; i < argc; ++i)
230     foo();
231   int xa;
232 #pragma omp parallel
233 #pragma omp for simd firstprivate(xa) // OK
234   for (i = 0; i < argc; ++i)
235     foo();
236 #pragma omp parallel
237 #pragma omp for simd firstprivate(S2::S2s) // OK
238   for (i = 0; i < argc; ++i)
239     foo();
240 #pragma omp parallel
241 #pragma omp for simd firstprivate(S2::S2sc) // OK
242   for (i = 0; i < argc; ++i)
243     foo();
244 #pragma omp parallel
245 #pragma omp for simd safelen(5)
246   for (i = 0; i < argc; ++i)
247     foo();
248 #pragma omp parallel
249 #pragma omp for simd firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
250   for (i = 0; i < argc; ++i)
251     foo();
252 #pragma omp parallel
253 #pragma omp for simd firstprivate(m) // OK
254   for (i = 0; i < argc; ++i)
255     foo();
256 #pragma omp parallel
257 #pragma omp for simd firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
258   for (i = 0; i < argc; ++i)
259     foo();
260 #pragma omp parallel
261 #pragma omp for simd firstprivate(B::x) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
262   for (i = 0; i < argc; ++i)
263     foo();
264 #pragma omp parallel
265 #pragma omp for simd private(xa), firstprivate(xa) // expected-error {{private variable cannot be firstprivate}} expected-note {{defined as private}}
266   for (i = 0; i < argc; ++i)
267     foo();
268 #pragma omp parallel
269 #pragma omp for simd firstprivate(i) // expected-note {{defined as firstprivate}}
270   for (i = 0; i < argc; ++i)    // expected-error {{loop iteration variable in the associated loop of 'omp for simd' directive may not be firstprivate, predetermined as linear}}
271     foo();
272 #pragma omp parallel shared(xa)
273 #pragma omp for simd firstprivate(xa) // OK: may be firstprivate
274   for (i = 0; i < argc; ++i)
275     foo();
276 #pragma omp parallel
277 #pragma omp for simd firstprivate(j)
278   for (i = 0; i < argc; ++i)
279     foo();
280 #pragma omp parallel
281 #pragma omp for simd lastprivate(g) firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
282   for (i = 0; i < argc; ++i)
283     foo();
284 #pragma omp parallel
285 #pragma omp for simd lastprivate(n) firstprivate(n) // OK
286   for (i = 0; i < argc; ++i)
287     foo();
288 #pragma omp parallel
289   {
290     int v = 0;
291     int i;                      // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp for simd' directive into a parallel or another task region?}}
292 #pragma omp for simd firstprivate(i) // expected-error {{firstprivate variable must be shared}}
293     for (int k = 0; k < argc; ++k) {
294       i = k;
295       v += i;
296     }
297   }
298 #pragma omp parallel private(i) // expected-note {{defined as private}}
299 #pragma omp for simd firstprivate(i) // expected-error {{firstprivate variable must be shared}}
300   for (i = 0; i < argc; ++i)
301     foo();
302 #pragma omp parallel reduction(+ : i) // expected-note {{defined as reduction}}
303 #pragma omp for simd firstprivate(i)       // expected-error {{firstprivate variable must be shared}}
304   for (i = 0; i < argc; ++i)
305     foo();
306   static int si;
307 #pragma omp for simd firstprivate(si)
308   for (i = 0; i < argc; ++i)
309     si = i + 1;
310 
311   return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
312 }
313