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