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