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