xref: /llvm-project/clang/test/OpenMP/target_teams_reduction_messages.cpp (revision 52807ba3836ef30c54622f227c4a23e2eb9375cd)
1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -o - %s -Wuninitialized
2 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 -o - %s -Wuninitialized
3 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 -o - %s -Wuninitialized
4 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -o - %s -Wuninitialized
5 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -std=c++98 -o - %s -Wuninitialized
6 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -std=c++11 -o - %s -Wuninitialized
7 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -o - %s -Wuninitialized
8 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++98 -o - %s -Wuninitialized
9 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++11 -o - %s -Wuninitialized
10 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -o - %s -Wuninitialized
11 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++98 -o - %s -Wuninitialized
12 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++11 -o - %s -Wuninitialized
13 
14 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -o - %s -Wuninitialized
15 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 -o - %s -Wuninitialized
16 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 -o - %s -Wuninitialized
17 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -o - %s -Wuninitialized
18 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -std=c++98 -o - %s -Wuninitialized
19 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -std=c++11 -o - %s -Wuninitialized
20 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -o - %s -Wuninitialized
21 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++98 -o - %s -Wuninitialized
22 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++11 -o - %s -Wuninitialized
23 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -o - %s -Wuninitialized
24 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++98 -o - %s -Wuninitialized
25 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++11 -o - %s -Wuninitialized
26 
27 #pragma omp requires dynamic_allocators
28 typedef void **omp_allocator_handle_t;
29 extern const omp_allocator_handle_t omp_null_allocator;
30 extern const omp_allocator_handle_t omp_default_mem_alloc;
31 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
32 extern const omp_allocator_handle_t omp_const_mem_alloc;
33 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
34 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
35 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
36 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
37 extern const omp_allocator_handle_t omp_thread_mem_alloc;
38 
xxx(int argc)39 void xxx(int argc) {
40   int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
41 #pragma omp target teams reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
42   for (int i = 0; i < 10; ++i)
43     ;
44 }
45 
foo()46 void foo() {
47 }
48 
foobool(int argc)49 bool foobool(int argc) {
50   return argc;
51 }
52 
foobar(int & ref)53 void foobar(int &ref) {
54 #pragma omp target teams reduction(+:ref)
55   foo();
56 }
57 
58 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
59 extern S1 a;
60 class S2 {
61   mutable int a;
operator +(const S2 & arg)62   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
63 
64 public:
S2()65   S2() : a(0) {}
S2(S2 & s2)66   S2(S2 &s2) : a(s2.a) {}
67   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
68   static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
69 };
70 const float S2::S2sc = 0;
71 S2 b;                     // expected-note 3 {{'b' defined here}}
72 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
73 class S3 {
74   int a;
75 
76 public:
77   int b;
S3()78   S3() : a(0) {}
S3(const S3 & s3)79   S3(const S3 &s3) : a(s3.a) {}
operator +(const S3 & arg1)80   S3 operator+(const S3 &arg1) { return arg1; }
81 };
operator +(const S3 & arg1,const S3 & arg2)82 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
83 S3 c;               // expected-note 3 {{'c' defined here}}
84 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
85 extern const int f; // expected-note 4 {{'f' declared here}}
86 class S4 {
87   int a;
88   S4(); // expected-note {{implicitly declared private here}}
89   S4(const S4 &s4);
operator +(const S4 & arg)90   S4 &operator+(const S4 &arg) { return (*this); }
91 
92 public:
S4(int v)93   S4(int v) : a(v) {}
94 };
operator &=(S4 & arg1,S4 & arg2)95 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
96 class S5 {
97   int a;
S5()98   S5() : a(0) {} // expected-note {{implicitly declared private here}}
S5(const S5 & s5)99   S5(const S5 &s5) : a(s5.a) {}
100   S5 &operator+(const S5 &arg);
101 
102 public:
S5(int v)103   S5(int v) : a(v) {}
104 };
105 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}}
106 #if __cplusplus >= 201103L // C++11 or later
107 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
108 #endif
109   int a;
110 
111 public:
S6()112   S6() : a(6) {}
operator int()113   operator int() { return 6; }
114 } o;
115 
116 S3 h, k;
117 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
118 
119 template <class T>       // expected-note {{declared here}}
tmain(T argc)120 T tmain(T argc) {
121   const T d = T();       // expected-note 4 {{'d' defined here}}
122   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
123   T qa[5] = {T()};
124   T i, z;
125   T &j = i;                    // expected-note 4 {{'j' defined here}}
126   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
127   const T &r = da[(int)i];     // expected-note 2 {{'r' defined here}}
128   T &q = qa[(int)i];           // expected-note 2 {{'q' defined here}}
129   T fl;
130 #pragma omp target teams reduction // expected-error {{expected '(' after 'reduction'}}
131   foo();
132 #pragma omp target teams reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}
133   foo();
134 #pragma omp target teams reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
135   foo();
136 #pragma omp target teams reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
137   foo();
138 #pragma omp target teams reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
139   foo();
140 #pragma omp target teams reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
141   foo();
142 #pragma omp target teams reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
143   foo();
144 #pragma omp target teams reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
145   foo();
146 #pragma omp target teams reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
147   foo();
148 #pragma omp target teams reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
149   foo();
150 #pragma omp target teams reduction(foo : argc) //omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp51-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp51-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp52-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp52-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}}
151   foo();
152 #pragma omp target teams 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 '('}}
153   foo();
154 #pragma omp target teams reduction(^ : T) // expected-error {{'T' does not refer to a value}}
155   foo();
156 #pragma omp target teams 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'}}
157   foo();
158 #pragma omp target teams 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}}
159   foo();
160 #pragma omp target teams reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
161   foo();
162 #pragma omp target teams reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
163   foo();
164 #pragma omp target teams reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
165   foo();
166 #pragma omp target teams reduction(- : da) // expected-error 2 {{const-qualified variable cannot be reduction}} omp52-warning 3 {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
167   foo();
168 #pragma omp target teams reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
169   foo();
170 #pragma omp target teams reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
171   foo();
172 #pragma omp target teams reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
173   foo();
174 #pragma omp target teams reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
175   foo();
176 #pragma omp target teams reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
177   foo();
178 #pragma omp target teams private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
179   foo();
180 #pragma omp parallel private(k)
181 #pragma omp target teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
182   foo();
183 #pragma omp target teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
184   foo();
185 #pragma omp target teams reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
186   foo();
187 #pragma omp parallel shared(i)
188 #pragma omp parallel reduction(min : i)
189 #pragma omp target teams reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
190   foo();
191 #pragma omp target teams
192 #pragma omp parallel for private(fl)
193   for (int i = 0; i < 10; ++i)
194   {}
195 #pragma omp target teams reduction(+ : fl) allocate(omp_thread_mem_alloc: fl) // expected-warning 2 {{allocator with the 'thread' trait access has unspecified behavior on 'target teams' directive}}
196     foo();
197 #pragma omp target teams
198 #pragma omp parallel for reduction(- : fl) // omp52-warning 3 {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}} omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}}
199   for (int i = 0; i < 10; ++i)
200   {}
201 #pragma omp target teams reduction(+ : fl)
202     foo();
203 
204   return T();
205 }
206 
207 namespace A {
208 double x;
209 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
210 }
211 namespace B {
212 using A::x;
213 }
214 
main(int argc,char ** argv)215 int main(int argc, char **argv) {
216   const int d = 5;       // expected-note 2 {{'d' defined here}}
217   const int da[5] = {0}; // expected-note {{'da' defined here}}
218   int qa[5] = {0};
219   S4 e(4);
220   S5 g(5);
221   int i, z;
222   int &j = i;                  // expected-note 2 {{'j' defined here}}
223   S3 &p = k;                   // expected-note 2 {{'p' defined here}}
224   const int &r = da[i];        // expected-note {{'r' defined here}}
225   int &q = qa[i];              // expected-note {{'q' defined here}}
226   float fl;
227 #pragma omp target teams reduction // expected-error {{expected '(' after 'reduction'}}
228   foo();
229 #pragma omp target teams reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}
230   foo();
231 #pragma omp target teams reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
232   foo();
233 #pragma omp target teams reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
234   foo();
235 #pragma omp target teams reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
236   foo();
237 #pragma omp target teams reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
238   foo();
239 #pragma omp target teams reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
240   foo();
241 #pragma omp target teams reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp51-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp52-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}  omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
242   foo();
243 #pragma omp target teams reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
244   foo();
245 #pragma omp target teams reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
246   foo();
247 #pragma omp target teams reduction(~ : argc) // expected-error {{expected unqualified-id}}
248   foo();
249 #pragma omp target teams reduction(&& : argc, z)
250   foo();
251 #pragma omp target teams reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
252   foo();
253 #pragma omp target teams 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'}}
254   foo();
255 #pragma omp target teams 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}}
256   foo();
257 #pragma omp target teams reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
258   foo();
259 #pragma omp target teams reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
260   foo();
261 #pragma omp target teams reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
262   foo();
263 #pragma omp target teams reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} omp52-warning {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
264   foo();
265 #pragma omp target teams reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
266   foo();
267 #pragma omp target teams reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
268   foo();
269 #pragma omp target teams reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
270   foo();
271 #pragma omp target teams 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')}}
272   foo();
273 #pragma omp target teams reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
274   foo();
275 #pragma omp target teams reduction(+ : o) // expected-error {{no viable overloaded '='}}
276   foo();
277 #pragma omp target teams private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
278   foo();
279 #pragma omp parallel private(k)
280 #pragma omp target teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
281   foo();
282 #pragma omp target teams reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
283   foo();
284 #pragma omp target teams reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
285   foo();
286 #pragma omp parallel shared(i)
287 #pragma omp parallel reduction(min : i)
288 #pragma omp target teams reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
289   foo();
290 #pragma omp target teams
291 #pragma omp parallel for private(fl)
292   for (int i = 0; i < 10; ++i)
293   {}
294 #pragma omp target teams reduction(+ : fl)
295     foo();
296 #pragma omp target teams
297 #pragma omp parallel for reduction(- : fl) // omp52-warning {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}} omp60-error{{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}}
298   for (int i = 0; i < 10; ++i)
299   {}
300 #pragma omp target teams reduction(+ : fl)
301     foo();
302   static int m;
303 #pragma omp target teams reduction(+ : m) // OK
304   foo();
305 #pragma omp target teams reduction(task, + : m) // omp45-error 2 {{expected expression}} omp45-warning {{missing ':' after reduction identifier - ignoring}} omp51-error {{'reduction' clause with 'task' modifier allowed only on non-simd parallel or worksharing constructs}} omp52-error {{'reduction' clause with 'task' modifier allowed only on non-simd parallel or worksharing constructs}} omp60-error {{'reduction' clause with 'task' modifier allowed only on non-simd parallel or worksharing constructs}}
306   foo();
307 
308   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}}
309 }
310