Run DCE after a LoopFlatten test to reduce spurious output [nfc]
[llvm-project.git] / clang / test / OpenMP / teams_reduction_messages.cpp
blobc980dfa61ef2a8346a40e18947e17462f378eb48
1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -o - %s -Wno-openmp-mapping -Wuninitialized
2 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 -o - %s -Wno-openmp-mapping -Wuninitialized
3 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 -o - %s -Wno-openmp-mapping -Wuninitialized
4 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -o - %s -Wno-openmp-mapping -Wuninitialized
5 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -std=c++98 -o - %s -Wno-openmp-mapping -Wuninitialized
6 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -std=c++11 -o - %s -Wno-openmp-mapping -Wuninitialized
7 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -o - %s -Wno-openmp-mapping -Wuninitialized
8 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++98 -o - %s -Wno-openmp-mapping -Wuninitialized
9 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++11 -o - %s -Wno-openmp-mapping -Wuninitialized
10 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -o - %s -Wno-openmp-mapping -Wuninitialized
11 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++98 -o - %s -Wno-openmp-mapping -Wuninitialized
12 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++11 -o - %s -Wno-openmp-mapping -Wuninitialized
14 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -o - %s -Wno-openmp-mapping -Wuninitialized
15 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 -o - %s -Wno-openmp-mapping -Wuninitialized
16 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 -o - %s -Wno-openmp-mapping -Wuninitialized
17 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -o - %s -Wno-openmp-mapping -Wuninitialized
18 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -std=c++98 -o - %s -Wno-openmp-mapping -Wuninitialized
19 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -std=c++11 -o - %s -Wno-openmp-mapping -Wuninitialized
20 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -o - %s -Wno-openmp-mapping -Wuninitialized
21 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++98 -o - %s -Wno-openmp-mapping -Wuninitialized
22 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++11 -o - %s -Wno-openmp-mapping -Wuninitialized
23 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -o - %s -Wno-openmp-mapping -Wuninitialized
24 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++98 -o - %s -Wno-openmp-mapping -Wuninitialized
25 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++11 -o - %s -Wno-openmp-mapping -Wuninitialized
27 extern int omp_default_mem_alloc;
28 void xxx(int argc) {
29 int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
30 #pragma omp target
31 #pragma omp teams reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
32 for (int i = 0; i < 10; ++i)
36 void foo() {
39 bool foobool(int argc) {
40 return argc;
43 void foobar(int &ref) {
44 #pragma omp target
45 #pragma omp teams reduction(+:ref)
46 foo();
49 struct S1; // expected-note {{declared here}} expected-note 6 {{forward declaration of 'S1'}}
50 extern S1 a;
51 class S2 {
52 mutable int a;
53 S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
55 public:
56 S2() : a(0) {}
57 S2(S2 &s2) : a(s2.a) {}
58 static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
59 static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
61 const float S2::S2sc = 0;
62 S2 b; // expected-note 3 {{'b' defined here}}
63 const S2 ba[5]; // expected-note 2 {{'ba' defined here}}
64 class S3 {
65 int a;
67 public:
68 int b;
69 S3() : a(0) {}
70 S3(const S3 &s3) : a(s3.a) {}
71 S3 operator+(const S3 &arg1) { return arg1; }
73 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
74 S3 c; // expected-note 3 {{'c' defined here}}
75 const S3 ca[5]; // expected-note 2 {{'ca' defined here}}
76 extern const int f; // expected-note 4 {{'f' declared here}}
77 class S4 {
78 int a;
79 S4(); // expected-note {{implicitly declared private here}}
80 S4(const S4 &s4);
81 S4 &operator+(const S4 &arg) { return (*this); }
83 public:
84 S4(int v) : a(v) {}
86 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
87 class S5 {
88 int a;
89 S5() : a(0) {} // expected-note {{implicitly declared private here}}
90 S5(const S5 &s5) : a(s5.a) {}
91 S5 &operator+(const S5 &arg);
93 public:
94 S5(int v) : a(v) {}
96 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}}
97 #if __cplusplus >= 201103L // C++11 or later
98 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
99 #endif
100 int a;
102 public:
103 S6() : a(6) {}
104 operator int() { return 6; }
105 } o;
107 S3 h, k;
108 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
110 template <class T> // expected-note {{declared here}}
111 T tmain(T argc) {
112 const T d = T(); // expected-note 4 {{'d' defined here}}
113 const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
114 T qa[5] = {T()};
115 T i, z;
116 T &j = i; // expected-note 4 {{'j' defined here}}
117 S3 &p = k; // expected-note 2 {{'p' defined here}}
118 const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
119 T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}
120 T fl;
121 #pragma omp target
122 #pragma omp teams reduction // expected-error {{expected '(' after 'reduction'}}
123 foo();
124 #pragma omp target
125 #pragma omp teams reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
126 foo();
127 #pragma omp target
128 #pragma omp teams reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
129 foo();
130 #pragma omp target
131 #pragma omp teams reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
132 foo();
133 #pragma omp target
134 #pragma omp teams reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
135 foo();
136 #pragma omp target
137 #pragma omp teams reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
138 foo();
139 #pragma omp target
140 #pragma omp teams reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
141 foo();
142 #pragma omp target
143 #pragma omp teams reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
144 foo();
145 #pragma omp target
146 #pragma omp 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
149 #pragma omp teams reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
150 foo();
151 #pragma omp target
152 #pragma omp 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'}}
153 foo();
154 #pragma omp target
155 #pragma omp 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 '('}}
156 foo();
157 #pragma omp target
158 #pragma omp teams reduction(^ : T) // expected-error {{'T' does not refer to a value}}
159 foo();
160 #pragma omp target
161 #pragma omp 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'}}
162 foo();
163 #pragma omp target
164 #pragma omp 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}}
165 foo();
166 #pragma omp target
167 #pragma omp teams reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
168 foo();
169 #pragma omp target
170 #pragma omp teams reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
171 foo();
172 #pragma omp target
173 #pragma omp teams reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
174 foo();
175 #pragma omp target
176 #pragma omp 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}}
177 foo();
178 #pragma omp target
179 #pragma omp teams reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
180 foo();
181 #pragma omp target
182 #pragma omp teams reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
183 foo();
184 #pragma omp target
185 #pragma omp teams reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
186 foo();
187 #pragma omp target
188 #pragma omp teams reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
189 foo();
190 #pragma omp target
191 #pragma omp teams reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
192 foo();
193 #pragma omp target
194 #pragma omp teams private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
195 foo();
196 #pragma omp parallel private(k)
197 #pragma omp target
198 #pragma omp teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
199 foo();
200 #pragma omp target
201 #pragma omp teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
202 foo();
203 #pragma omp target
204 #pragma omp teams reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
205 foo();
206 #pragma omp parallel shared(i)
207 #pragma omp parallel reduction(min : i)
208 #pragma omp target
209 #pragma omp teams reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
210 foo();
211 #pragma omp target
212 #pragma omp teams
213 #pragma omp parallel for private(fl)
214 for (int i = 0; i < 10; ++i)
216 #pragma omp target
217 #pragma omp teams reduction(+ : fl)
218 foo();
219 #pragma omp target
220 #pragma omp teams
221 #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'}}
222 for (int i = 0; i < 10; ++i)
224 #pragma omp target
225 #pragma omp teams reduction(+ : fl)
226 foo();
228 return T();
231 namespace A {
232 double x;
233 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
235 namespace B {
236 using A::x;
239 int main(int argc, char **argv) {
240 const int d = 5; // expected-note 2 {{'d' defined here}}
241 const int da[5] = {0}; // expected-note {{'da' defined here}}
242 int qa[5] = {0};
243 S4 e(4);
244 S5 g(5);
245 int i, z;
246 int &j = i; // expected-note 2 {{'j' defined here}}
247 S3 &p = k; // expected-note 2 {{'p' defined here}}
248 const int &r = da[i]; // expected-note {{'r' defined here}}
249 int &q = qa[i]; // expected-note {{'q' defined here}}
250 float fl;
251 #pragma omp target
252 #pragma omp teams reduction // expected-error {{expected '(' after 'reduction'}}
253 foo();
254 #pragma omp target
255 #pragma omp teams reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp teams' are ignored}}
256 foo();
257 #pragma omp target
258 #pragma omp teams reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
259 foo();
260 #pragma omp target
261 #pragma omp teams reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
262 foo();
263 #pragma omp target
264 #pragma omp teams reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
265 foo();
266 #pragma omp target
267 #pragma omp teams reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
268 foo();
269 #pragma omp target
270 #pragma omp teams reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
271 foo();
272 #pragma omp target
273 #pragma omp 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'}}
274 foo();
275 #pragma omp target
276 #pragma omp teams reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
277 foo();
278 #pragma omp target
279 #pragma omp teams reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
280 foo();
281 #pragma omp target
282 #pragma omp teams reduction(~ : argc) // expected-error {{expected unqualified-id}}
283 foo();
284 #pragma omp target
285 #pragma omp teams reduction(&& : argc)
286 foo();
287 #pragma omp target
288 #pragma omp teams reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
289 foo();
290 #pragma omp target
291 #pragma omp teams reduction(+ : a, b, c, d, f) // expected-error {{incomplete type 'S1' where a complete type is required}} 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'}}
292 foo();
293 #pragma omp target
294 #pragma omp teams reduction(min : a, b, c, d, f) // expected-error {{incomplete type 'S1' where a complete type is required}} 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}}
295 foo();
296 #pragma omp target
297 #pragma omp teams reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
298 foo();
299 #pragma omp target
300 #pragma omp teams reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
301 foo();
302 #pragma omp target
303 #pragma omp teams reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
304 foo();
305 #pragma omp target
306 #pragma omp 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}}
307 foo();
308 #pragma omp target
309 #pragma omp teams reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
310 foo();
311 #pragma omp target
312 #pragma omp teams reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
313 foo();
314 #pragma omp target
315 #pragma omp teams reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
316 foo();
317 #pragma omp target
318 #pragma omp 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')}}
319 foo();
320 #pragma omp target
321 #pragma omp teams reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
322 foo();
323 #pragma omp target
324 #pragma omp teams reduction(+ : z, o) // expected-error {{no viable overloaded '='}}
325 foo();
326 #pragma omp target
327 #pragma omp teams private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
328 foo();
329 #pragma omp parallel private(k)
330 #pragma omp target
331 #pragma omp teams reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
332 foo();
333 #pragma omp target
334 #pragma omp teams reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
335 foo();
336 #pragma omp target
337 #pragma omp teams reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
338 foo();
339 #pragma omp parallel shared(i)
340 #pragma omp parallel reduction(min : i)
341 #pragma omp target
342 #pragma omp teams reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
343 foo();
344 #pragma omp target
345 #pragma omp teams
346 #pragma omp parallel for private(fl)
347 for (int i = 0; i < 10; ++i)
349 #pragma omp target
350 #pragma omp teams reduction(+ : fl)
351 foo();
352 #pragma omp target
353 #pragma omp teams
354 #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'}}
355 for (int i = 0; i < 10; ++i)
357 #pragma omp target
358 #pragma omp teams reduction(+ : fl)
359 foo();
360 static int m;
361 #pragma omp target
362 #pragma omp teams reduction(+ : m) // OK
363 foo();
364 #pragma omp target
365 #pragma omp 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}}
366 foo();
368 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}}