1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 %s -Wuninitialized
2 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 %s -Wuninitialized
3 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 %s -Wuninitialized
4 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -fopenmp-version=50 %s -Wuninitialized
5 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -fopenmp-version=50 -std=c++98 %s -Wuninitialized
6 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -fopenmp-version=50 -std=c++11 %s -Wuninitialized
7
8 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 %s -Wuninitialized
9 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 %s -Wuninitialized
10 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 %s -Wuninitialized
11 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -fopenmp-version=50 %s -Wuninitialized
12 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -fopenmp-version=50 -std=c++98 %s -Wuninitialized
13 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -fopenmp-version=50 -std=c++11 %s -Wuninitialized
14
15 typedef void **omp_allocator_handle_t;
16 extern const omp_allocator_handle_t omp_null_allocator;
17 extern const omp_allocator_handle_t omp_default_mem_alloc;
18 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
19 extern const omp_allocator_handle_t omp_const_mem_alloc;
20 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
21 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
22 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
23 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
24 extern const omp_allocator_handle_t omp_thread_mem_alloc;
25
xxx(int argc)26 void xxx(int argc) {
27 int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
28 #pragma omp target teams distribute parallel for reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
29 for (int i = 0; i < 10; ++i)
30 ;
31 }
32
foo()33 void foo() {
34 }
35
foobool(int argc)36 bool foobool(int argc) {
37 return argc;
38 }
39
40 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
41 extern S1 a;
42 class S2 {
43 mutable int a;
operator +(const S2 & arg)44 S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
45
46 public:
S2()47 S2() : a(0) {}
S2(S2 & s2)48 S2(S2 &s2) : a(s2.a) {}
49 static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
50 static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
51 };
52 const float S2::S2sc = 0;
53 S2 b; // expected-note 3 {{'b' defined here}}
54 const S2 ba[5]; // expected-note 2 {{'ba' defined here}}
55 class S3 {
56 int a;
57
58 public:
59 int b;
S3()60 S3() : a(0) {}
S3(const S3 & s3)61 S3(const S3 &s3) : a(s3.a) {}
operator +(const S3 & arg1)62 S3 operator+(const S3 &arg1) { return arg1; }
63 };
operator +(const S3 & arg1,const S3 & arg2)64 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
65 S3 c; // expected-note 3 {{'c' defined here}}
66 const S3 ca[5]; // expected-note 2 {{'ca' defined here}}
67 extern const int f; // expected-note 4 {{'f' declared here}}
68 class S4 {
69 int a;
70 S4(); // expected-note {{implicitly declared private here}}
71 S4(const S4 &s4);
operator +(const S4 & arg)72 S4 &operator+(const S4 &arg) { return (*this); }
73
74 public:
S4(int v)75 S4(int v) : a(v) {}
76 };
operator &=(S4 & arg1,S4 & arg2)77 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
78 class S5 {
79 int a;
S5()80 S5() : a(0) {} // expected-note {{implicitly declared private here}}
S5(const S5 & s5)81 S5(const S5 &s5) : a(s5.a) {}
82 S5 &operator+(const S5 &arg);
83
84 public:
S5(int v)85 S5(int v) : a(v) {}
86 };
87 class S6 { // expected-note 3 {{candidate function (the implicit copy assignment operator) not viable: no known conversion from 'int' to 'const S6' for 1st argument}}
88 #if __cplusplus >= 201103L // C++11 or later
89 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
90 #endif
91 int a;
92
93 public:
S6()94 S6() : a(6) {}
operator int()95 operator int() { return 6; }
96 } o;
97
98 S3 h, k;
99 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
100
101 template <class T> // expected-note {{declared here}}
tmain(T argc)102 T tmain(T argc) {
103 const T d = T(); // expected-note 4 {{'d' defined here}}
104 const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
105 T qa[5] = {T()};
106 T i, z;
107 T &j = i; // expected-note 4 {{'j' defined here}}
108 S3 &p = k; // expected-note 2 {{'p' defined here}}
109 const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
110 T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}
111 T fl;
112 #pragma omp target teams distribute parallel for reduction // expected-error {{expected '(' after 'reduction'}}
113 for (int j=0; j<100; j++) foo();
114 #pragma omp target teams distribute parallel for reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target teams distribute parallel for' are ignored}}
115 for (int j=0; j<100; j++) foo();
116 #pragma omp target teams distribute parallel for reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
117 for (int j=0; j<100; j++) foo();
118 #pragma omp target teams distribute parallel for reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
119 for (int j=0; j<100; j++) foo();
120 #pragma omp target teams distribute parallel for reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
121 for (int j=0; j<100; j++) foo();
122 #pragma omp target teams distribute parallel for reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
123 for (int j=0; j<100; j++) foo();
124 #pragma omp target teams distribute parallel for reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
125 for (int j=0; j<100; j++) foo();
126 #pragma omp target teams distribute parallel for reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
127 for (int j=0; j<100; j++) foo();
128 #pragma omp target teams distribute parallel for reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
129 for (int j=0; j<100; j++) foo();
130 #pragma omp target teams distribute parallel for reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
131 for (int j=0; j<100; j++) foo();
132 #pragma omp target teams distribute parallel for reduction(foo : argc) //expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}}
133 for (int j=0; j<100; j++) foo();
134 #pragma omp target teams distribute parallel for reduction(&& : 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 '('}}
135 for (int j=0; j<100; j++) foo();
136 #pragma omp target teams distribute parallel for reduction(^ : T) // expected-error {{'T' does not refer to a value}}
137 for (int j=0; j<100; j++) foo();
138 #pragma omp target teams distribute parallel for reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 3 {{const-qualified variable cannot be reduction}} expected-error 2 {{'operator+' is a private member of 'S2'}}
139 for (int j=0; j<100; j++) foo();
140 #pragma omp target teams distribute parallel for reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 4 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified variable cannot be reduction}}
141 for (int j=0; j<100; j++) foo();
142 #pragma omp target teams distribute parallel for reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
143 for (int j=0; j<100; j++) foo();
144 #pragma omp target teams distribute parallel for reduction(+ : z, ba) // expected-error {{const-qualified variable cannot be reduction}}
145 for (int j=0; j<100; j++) foo();
146 #pragma omp target teams distribute parallel for reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
147 for (int j=0; j<100; j++) foo();
148 #pragma omp target teams distribute parallel for reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} expected-error {{const-qualified variable cannot be reduction}}
149 for (int j=0; j<100; j++) foo();
150 #pragma omp target teams distribute parallel for reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
151 for (int j=0; j<100; j++) foo();
152 #pragma omp target teams distribute parallel for reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
153 for (int j=0; j<100; j++) foo();
154 #pragma omp target teams distribute parallel for reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
155 for (int j=0; j<100; j++) foo();
156 #pragma omp target teams distribute parallel for reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
157 for (int j=0; j<100; j++) foo();
158 #pragma omp target teams distribute parallel for reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
159 for (int j=0; j<100; j++) foo();
160 #pragma omp target teams distribute parallel for private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
161 for (int j=0; j<100; j++) foo();
162 #pragma omp parallel private(k)
163 #pragma omp target teams distribute parallel for reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
164 for (int j=0; j<100; j++) foo();
165 #pragma omp target teams distribute parallel for reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
166 for (int j=0; j<100; j++) foo();
167 #pragma omp target teams distribute parallel for reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
168 for (int j=0; j<100; j++) foo();
169 #pragma omp parallel shared(i)
170 #pragma omp parallel reduction(min : i)
171 #pragma omp target teams distribute parallel for reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
172 for (int j=0; j<100; j++) foo();
173 #pragma omp target teams distribute parallel for reduction(+ : fl) allocate(omp_thread_mem_alloc: fl) uses_allocators(omp_thread_mem_alloc)// expected-warning 2 {{allocator with the 'thread' trait access has unspecified behavior on 'target teams distribute parallel for' directive}} omp45-error {{unexpected OpenMP clause 'uses_allocators' in directive '#pragma omp target teams distribute parallel for'}}
174 for (int j=0; j<100; j++) foo();
175
176 return T();
177 }
178
179 namespace A {
180 double x;
181 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
182 }
183 namespace B {
184 using A::x;
185 }
186
main(int argc,char ** argv)187 int main(int argc, char **argv) {
188 const int d = 5; // expected-note 2 {{'d' defined here}}
189 const int da[5] = {0}; // expected-note {{'da' defined here}}
190 int qa[5] = {0};
191 S4 e(4);
192 S5 g(5);
193 int i, z;
194 int &j = i; // expected-note 2 {{'j' defined here}}
195 S3 &p = k; // expected-note 2 {{'p' defined here}}
196 const int &r = da[i]; // expected-note {{'r' defined here}}
197 int &q = qa[i]; // expected-note {{'q' defined here}}
198 float fl;
199 #pragma omp target teams distribute parallel for reduction // expected-error {{expected '(' after 'reduction'}}
200 for (int j=0; j<100; j++) foo();
201 #pragma omp target teams distribute parallel for reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target teams distribute parallel for' are ignored}}
202 for (int j=0; j<100; j++) foo();
203 #pragma omp target teams distribute parallel for reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
204 for (int j=0; j<100; j++) foo();
205 #pragma omp target teams distribute parallel for reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
206 for (int j=0; j<100; j++) foo();
207 #pragma omp target teams distribute parallel for reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
208 for (int j=0; j<100; j++) foo();
209 #pragma omp target teams distribute parallel for reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
210 for (int j=0; j<100; j++) foo();
211 #pragma omp target teams distribute parallel for reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
212 for (int j=0; j<100; j++) foo();
213 #pragma omp target teams distribute parallel for reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
214 for (int j=0; j<100; j++) foo();
215 #pragma omp target teams distribute parallel for reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
216 for (int j=0; j<100; j++) foo();
217 #pragma omp target teams distribute parallel for reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
218 for (int j=0; j<100; j++) foo();
219 #pragma omp target teams distribute parallel for reduction(~ : argc) // expected-error {{expected unqualified-id}}
220 for (int j=0; j<100; j++) foo();
221 #pragma omp target teams distribute parallel for reduction(&& : argc)
222 for (int j=0; j<100; j++) foo();
223 #pragma omp target teams distribute parallel for reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
224 for (int j=0; j<100; j++) foo();
225 #pragma omp target teams distribute parallel for reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{const-qualified variable cannot be reduction}} expected-error {{'operator+' is a private member of 'S2'}}
226 for (int j=0; j<100; j++) foo();
227 #pragma omp target teams distribute parallel for reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 2 {{const-qualified variable cannot be reduction}}
228 for (int j=0; j<100; j++) foo();
229 #pragma omp target teams distribute parallel for reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
230 for (int j=0; j<100; j++) foo();
231 #pragma omp target teams distribute parallel for reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
232 for (int j=0; j<100; j++) foo();
233 #pragma omp target teams distribute parallel for reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
234 for (int j=0; j<100; j++) foo();
235 #pragma omp target teams distribute parallel for reduction(- : da, z) // expected-error {{const-qualified variable cannot be reduction}}
236 for (int j=0; j<100; j++) foo();
237 #pragma omp target teams distribute parallel for reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
238 for (int j=0; j<100; j++) foo();
239 #pragma omp target teams distribute parallel for reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
240 for (int j=0; j<100; j++) foo();
241 #pragma omp target teams distribute parallel for reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
242 for (int j=0; j<100; j++) foo();
243 #pragma omp target teams distribute parallel for reduction(& : e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}} expected-error {{invalid operands to binary expression ('S5' and 'S5')}}
244 for (int j=0; j<100; j++) foo();
245 #pragma omp target teams distribute parallel for reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
246 for (int j=0; j<100; j++) foo();
247 #pragma omp target teams distribute parallel for reduction(+ : o) // expected-error {{no viable overloaded '='}}
248 for (int j=0; j<100; j++) foo();
249 #pragma omp target teams distribute parallel for private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
250 for (int j=0; j<100; j++) foo();
251 #pragma omp parallel private(k)
252 #pragma omp target teams distribute parallel for reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
253 for (int j=0; j<100; j++) foo();
254 #pragma omp target teams distribute parallel for reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
255 for (int j=0; j<100; j++) foo();
256 #pragma omp target teams distribute parallel for reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
257 for (int j=0; j<100; j++) foo();
258 #pragma omp parallel shared(i)
259 #pragma omp parallel reduction(min : i)
260 #pragma omp target teams distribute parallel for reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
261 for (int j=0; j<100; j++) foo();
262 #pragma omp target teams distribute parallel for reduction(+ : fl)
263 for (int j=0; j<100; j++) foo();
264 static int m;
265 #pragma omp target teams distribute parallel for reduction(+ : m) // OK
266 for (int j=0; j<100; j++) foo();
267 #pragma omp target teams distribute parallel for reduction(task, + : m) // omp45-error 2 {{expected expression}} omp45-warning {{missing ':' after reduction identifier - ignoring}}
268 for (int j=0; j<100; j++) foo();
269
270 return tmain(argc) + tmain(fl); // expected-note {{in instantiation of function template specialization 'tmain<int>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<float>' requested here}}
271 }
272