1 // RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
2 
3 // RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
4 
5 void xxx(int argc) {
6   int fp, fp1; // expected-note {{initialize the variable 'fp' to silence this warning}} expected-note {{initialize the variable 'fp1' to silence this warning}}
7 #pragma omp target firstprivate(fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
8   for (int i = 0; i < 10; ++i)
9     ++fp1; // expected-warning {{variable 'fp1' is uninitialized when used here}}
10 }
11 
12 typedef void **omp_allocator_handle_t;
13 extern const omp_allocator_handle_t omp_default_mem_alloc;
14 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
15 extern const omp_allocator_handle_t omp_const_mem_alloc;
16 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
17 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
18 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
19 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
20 extern const omp_allocator_handle_t omp_thread_mem_alloc;
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:
28   S2() : a(0) {}
29 };
30 const S2 b;
31 const S2 ba[5];
32 class S3 {
33   int a;
34 
35 public:
36   S3() : a(0) {}
37 };
38 const S3 ca[5];
39 class S4 {
40   int a;
41   S4();
42 
43 public:
44   S4(int v) : a(v) {
45 #pragma omp target firstprivate(a) firstprivate(this->a)
46     for (int k = 0; k < v; ++k)
47       ++this->a;
48   }
49 };
50 class S5 {
51   int a;
52   S5() : a(0) {}
53 
54 public:
55   S5(int v) : a(v) {}
56   S5 &operator=(S5 &s) {
57 #pragma omp target firstprivate(a) firstprivate(this->a) firstprivate(s.a) // expected-error {{expected variable name or data member of current class}}
58     for (int k = 0; k < s.a; ++k) // expected-warning {{Type 'S5' is not trivially copyable and not guaranteed to be mapped correctly}}
59       ++s.a;
60     return *this;
61   }
62 };
63 
64 template <typename T>
65 class S6 {
66 public:
67   T a;
68 
69   S6() : a(0) {}
70   S6(T v) : a(v) {
71 #pragma omp target firstprivate(a) firstprivate(this->a)
72     for (int k = 0; k < v; ++k)
73       ++this->a;
74   }
75   S6 &operator=(S6 &s) {
76 #pragma omp target firstprivate(a) firstprivate(this->a) firstprivate(s.a) // expected-error {{expected variable name or data member of current class}}
77     for (int k = 0; k < s.a; ++k)
78       ++s.a;
79     return *this;
80   }
81 };
82 
83 template <typename T>
84 class S7 : public T {
85   T a;
86   S7() : a(0) {}
87 
88 public:
89   S7(T v) : a(v) {
90 #pragma omp target firstprivate(a) firstprivate(this->a) firstprivate(T::a)
91     for (int k = 0; k < a.a; ++k)
92       ++this->a.a;
93   }
94   S7 &operator=(S7 &s) {
95 #pragma omp target firstprivate(a) firstprivate(this->a) firstprivate(s.a) firstprivate(s.T::a) // expected-error 2 {{expected variable name or data member of current class}}
96     for (int k = 0; k < s.a.a; ++k)
97       ++s.a.a;
98     return *this;
99   }
100 };
101 
102 S3 h;
103 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
104 
105 template <class I, class C>
106 int foomain(I argc, C **argv) {
107   I e(4);
108   I g(5);
109   int i, z;
110   int &j = i;
111 #pragma omp target firstprivate // expected-error {{expected '(' after 'firstprivate'}}
112 {}
113 #pragma omp target firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
114 {}
115 #pragma omp target firstprivate() // expected-error {{expected expression}}
116 {}
117 #pragma omp target firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
118 {}
119 #pragma omp target firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
120 {}
121 #pragma omp target firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
122 {}
123 #pragma omp target 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 '('}}
124 {}
125 #pragma omp target firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
126 {}
127 #pragma omp target firstprivate(a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}}
128 {}
129 #pragma omp target firstprivate(argv[1]) // expected-error {{expected variable name}}
130 {}
131 #pragma omp target firstprivate(e, g) allocate(omp_thread_mem_alloc: e) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'target' directive}}
132 {}
133 #pragma omp target firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
134 {}
135 #pragma omp target shared(i) // expected-error {{unexpected OpenMP clause 'shared' in directive '#pragma omp target'}}
136 #pragma omp parallel
137   {
138     int v = 0;
139     int i;
140   }
141 #pragma omp parallel shared(i, z)
142 #pragma omp parallel firstprivate(i, z)
143 #pragma omp target firstprivate(j)
144 {}
145 #pragma omp target firstprivate(i)
146   {}
147   return 0;
148 }
149 
150 void bar(S4 a[2]) {
151 #pragma omp parallel
152 #pragma omp target firstprivate(a)
153   {}
154 }
155 
156 namespace A {
157 double x;
158 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
159 }
160 namespace B {
161 using A::x;
162 }
163 
164 int main(int argc, char **argv) {
165   S4 e(4);
166   S5 g(5);
167   S6<float> s6(0.0) , s6_0(1.0);
168   S7<S6<float> > s7(0.0) , s7_0(1.0);
169   int i, z;
170   int &j = i;
171 #pragma omp target firstprivate // expected-error {{expected '(' after 'firstprivate'}}
172 {}
173 #pragma omp target firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
174 {}
175 #pragma omp target firstprivate() // expected-error {{expected expression}}
176 {}
177 #pragma omp target firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
178 {}
179 #pragma omp target firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
180 {}
181 #pragma omp target firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
182 {}
183 #pragma omp target firstprivate(argc, z)
184 {}
185 #pragma omp target firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
186 {}
187 #pragma omp target firstprivate(a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}}
188 {}
189 #pragma omp target firstprivate(argv[1]) // expected-error {{expected variable name}}
190 {}
191 #pragma omp target firstprivate(e, g)
192 {}
193 #pragma omp target firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
194 {}
195 #pragma omp target firstprivate(B::x) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
196 {}
197 #pragma omp target shared(i) // expected-error {{unexpected OpenMP clause 'shared' in directive '#pragma omp target'}}
198 #pragma omp parallel
199   {
200     int i;
201   }
202 #pragma omp parallel shared(i)
203 #pragma omp parallel firstprivate(i)
204 #pragma omp target firstprivate(j)
205 {}
206 #pragma omp target firstprivate(i)
207   {}
208   static int si;
209 #pragma omp target firstprivate(si) // OK
210   {}
211 #pragma omp target map(i) firstprivate(i) // expected-error {{firstprivate variable cannot be in a map clause in '#pragma omp target' directive}}
212   {}
213   s6 = s6_0; // expected-note {{in instantiation of member function 'S6<float>::operator=' requested here}}
214   s7 = s7_0; // expected-note {{in instantiation of member function 'S7<S6<float>>::operator=' requested here}}
215   return foomain(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
216 }
217 
218