353 lines · cpp
1// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -o - %s -Wuninitialized2// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 -o - %s -Wuninitialized3// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 -o - %s -Wuninitialized4// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -o - %s -Wuninitialized5// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++98 -o - %s -Wuninitialized6// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++11 -o - %s -Wuninitialized7// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -o - %s -Wuninitialized8// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++98 -o - %s -Wuninitialized9// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++11 -o - %s -Wuninitialized10// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -o - %s -Wuninitialized11// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++98 -o - %s -Wuninitialized12// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++11 -o - %s -Wuninitialized13 14// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -o - %s -Wuninitialized15// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 -o - %s -Wuninitialized16// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 -o - %s -Wuninitialized17// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -o - %s -Wuninitialized18// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++98 -o - %s -Wuninitialized19// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++11 -o - %s -Wuninitialized20// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -o - %s -Wuninitialized21// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++98 -o - %s -Wuninitialized22// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++11 -o - %s -Wuninitialized23// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -o - %s -Wuninitialized24// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++98 -o - %s -Wuninitialized25// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++11 -o - %s -Wuninitialized26 27extern int omp_default_mem_alloc;28void xxx(int argc) {29 int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}30#pragma omp parallel for simd reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}31 for (int i = 0; i < 10; ++i)32 ;33}34 35void foo() {36}37 38bool foobool(int argc) {39 return argc;40}41 42void foobar(int &ref) {43#pragma omp parallel for simd reduction(+:ref)44 for (int i = 0; i < 10; ++i)45 foo();46}47 48struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}49extern S1 a;50class S2 {51 mutable int a;52 S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}53 54public:55 S2() : a(0) {}56 S2(S2 &s2) : a(s2.a) {}57 static float S2s; // expected-note 2 {{static data member is predetermined as shared}}58 static const float S2sc; // expected-note 2 {{'S2sc' declared here}}59};60const float S2::S2sc = 0;61S2 b; // expected-note 3 {{'b' defined here}}62const S2 ba[5]; // expected-note 2 {{'ba' defined here}}63class S3 {64 int a;65 66public:67 int b;68 S3() : a(0) {}69 S3(const S3 &s3) : a(s3.a) {}70 S3 operator+(const S3 &arg1) { return arg1; }71};72int operator+(const S3 &arg1, const S3 &arg2) { return 5; }73S3 c; // expected-note 3 {{'c' defined here}}74const S3 ca[5]; // expected-note 2 {{'ca' defined here}}75extern const int f; // expected-note 4 {{'f' declared here}}76class S4 {77 int a;78 S4(); // expected-note {{implicitly declared private here}}79 S4(const S4 &s4);80 S4 &operator+(const S4 &arg) { return (*this); }81 82public:83 S4(int v) : a(v) {}84};85S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }86class S5 {87 int a;88 S5() : a(0) {} // expected-note {{implicitly declared private here}}89 S5(const S5 &s5) : a(s5.a) {}90 S5 &operator+(const S5 &arg);91 92public:93 S5(int v) : a(v) {}94};95class S6 { // expected-note 3 {{candidate function (the implicit copy assignment operator) not viable: no known conversion from 'int' to 'const S6' for 1st argument}}96#if __cplusplus >= 201103L // C++11 or later97// expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}98#endif99 int a;100 101public:102 S6() : a(6) {}103 operator int() { return 6; }104} o;105 106S3 h, k;107#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}108 109template <class T> // expected-note {{declared here}}110T tmain(T argc) {111 const T d = T(); // expected-note 4 {{'d' defined here}}112 const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}113 T qa[5] = {T()};114 T i, z;115 T &j = i; // expected-note 4 {{'j' defined here}}116 S3 &p = k; // expected-note 2 {{'p' defined here}}117 const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}118 T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}119 T fl;120#pragma omp parallel for simd reduction // expected-error {{expected '(' after 'reduction'}}121 for (int i = 0; i < 10; ++i)122 foo();123#pragma omp parallel for simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel for simd' are ignored}}124 for (int i = 0; i < 10; ++i)125 foo();126#pragma omp parallel for simd reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}127 for (int i = 0; i < 10; ++i)128 foo();129#pragma omp parallel for simd reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}130 for (int i = 0; i < 10; ++i)131 foo();132#pragma omp parallel for simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}133 for (int i = 0; i < 10; ++i)134 foo();135#pragma omp parallel for simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}136 for (int i = 0; i < 10; ++i)137 foo();138#pragma omp parallel for simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}139 for (int i = 0; i < 10; ++i)140 foo();141#pragma omp parallel for simd reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}142 for (int i = 0; i < 10; ++i)143 foo();144#pragma omp 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')}}145 for (int i = 0; i < 10; ++i)146 foo();147#pragma omp parallel for simd reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}148 for (int i = 0; i < 10; ++i)149 foo();150#pragma omp parallel for simd 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'}} omp50-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp50-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 for (int i = 0; i < 10; ++i)152 foo();153#pragma omp 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 '('}}154 for (int i = 0; i < 10; ++i)155 foo();156#pragma omp parallel for simd reduction(^ : T) // expected-error {{'T' does not refer to a value}}157 for (int i = 0; i < 10; ++i)158 foo();159#pragma omp 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'}}160 for (int i = 0; i < 10; ++i)161 foo();162#pragma omp 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}}163 for (int i = 0; i < 10; ++i)164 foo();165#pragma omp parallel for simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}166 for (int i = 0; i < 10; ++i)167 foo();168#pragma omp parallel for simd reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}169 for (int i = 0; i < 10; ++i)170 foo();171#pragma omp parallel for simd reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}172 for (int i = 0; i < 10; ++i)173 foo();174#pragma omp parallel for simd 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}}175 for (int i = 0; i < 10; ++i)176 foo();177#pragma omp parallel for simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}178 for (int i = 0; i < 10; ++i)179 foo();180#pragma omp parallel for simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}181 for (int i = 0; i < 10; ++i)182 foo();183#pragma omp parallel for simd reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}184 for (int i = 0; i < 10; ++i)185 foo();186#pragma omp parallel for simd reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}187 for (int i = 0; i < 10; ++i)188 foo();189#pragma omp parallel for simd reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}190 for (int i = 0; i < 10; ++i)191 foo();192#pragma omp 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}}193 for (int i = 0; i < 10; ++i)194 foo();195#pragma omp parallel private(k)196#pragma omp parallel for simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}197 for (int i = 0; i < 10; ++i)198 foo();199#pragma omp 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}}200 for (int i = 0; i < 10; ++i)201 foo();202#pragma omp parallel for simd reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}203 for (int i = 0; i < 10; ++i)204 foo();205#pragma omp parallel shared(i)206#pragma omp parallel reduction(min : i)207#pragma omp parallel for simd reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}208 for (int i = 0; i < 10; ++i)209 foo();210#pragma omp parallel private(fl)211#pragma omp parallel for simd reduction(+ : fl)212 for (int i = 0; i < 10; ++i)213 foo();214#pragma omp parallel reduction(* : fl)215#pragma omp parallel for simd reduction(+ : fl)216 for (int i = 0; i < 10; ++i)217 foo();218 219 return T();220}221 222namespace A {223double x;224#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}225}226namespace B {227using A::x;228}229 230int main(int argc, char **argv) {231 const int d = 5; // expected-note 2 {{'d' defined here}}232 const int da[5] = {0}; // expected-note {{'da' defined here}}233 int qa[5] = {0};234 S4 e(4);235 S5 g(5);236 int i, z;237 int &j = i; // expected-note 2 {{'j' defined here}}238 S3 &p = k; // expected-note 2 {{'p' defined here}}239 const int &r = da[i]; // expected-note {{'r' defined here}}240 int &q = qa[i]; // expected-note {{'q' defined here}}241 float fl;242#pragma omp parallel for simd reduction // expected-error {{expected '(' after 'reduction'}}243 for (int i = 0; i < 10; ++i)244 foo();245#pragma omp parallel for simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel for simd' are ignored}}246 for (int i = 0; i < 10; ++i)247 foo();248#pragma omp parallel for simd reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}249 for (int i = 0; i < 10; ++i)250 foo();251#pragma omp parallel for simd reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}252 for (int i = 0; i < 10; ++i)253 foo();254#pragma omp parallel for simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}255 for (int i = 0; i < 10; ++i)256 foo();257#pragma omp parallel for simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}258 for (int i = 0; i < 10; ++i)259 foo();260#pragma omp parallel for simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}261 for (int i = 0; i < 10; ++i)262 foo();263#pragma omp parallel for simd reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp50-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'}}264 for (int i = 0; i < 10; ++i)265 foo();266#pragma omp parallel for simd reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}267 for (int i = 0; i < 10; ++i)268 foo();269#pragma omp parallel for simd reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}270 for (int i = 0; i < 10; ++i)271 foo();272#pragma omp parallel for simd reduction(~ : argc) // expected-error {{expected unqualified-id}}273 for (int i = 0; i < 10; ++i)274 foo();275#pragma omp parallel for simd reduction(&& : argc, z)276 for (int i = 0; i < 10; ++i)277 foo();278#pragma omp parallel for simd reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}279 for (int i = 0; i < 10; ++i)280 foo();281#pragma omp 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'}}282 for (int i = 0; i < 10; ++i)283 foo();284#pragma omp parallel for simd 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}}285 for (int i = 0; i < 10; ++i)286 foo();287#pragma omp parallel for simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}288 for (int i = 0; i < 10; ++i)289 foo();290#pragma omp parallel for simd reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}291 for (int i = 0; i < 10; ++i)292 foo();293#pragma omp parallel for simd reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}294 for (int i = 0; i < 10; ++i)295 foo();296#pragma omp parallel for simd reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} omp52-warning {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}297 for (int i = 0; i < 10; ++i)298 foo();299#pragma omp parallel for simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}300 for (int i = 0; i < 10; ++i)301 foo();302#pragma omp parallel for simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}303 for (int i = 0; i < 10; ++i)304 foo();305#pragma omp parallel for simd reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}306 for (int i = 0; i < 10; ++i)307 foo();308#pragma omp parallel for simd 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')}}309 for (int i = 0; i < 10; ++i)310 foo();311#pragma omp parallel for simd reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}312 for (int i = 0; i < 10; ++i)313 foo();314#pragma omp parallel for simd reduction(+ : o) // expected-error {{no viable overloaded '='}}315 for (int i = 0; i < 10; ++i)316 foo();317#pragma omp 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}}318 for (int i = 0; i < 10; ++i)319 foo();320#pragma omp parallel private(k)321#pragma omp parallel for simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}322 for (int i = 0; i < 10; ++i)323 foo();324#pragma omp parallel for simd reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}325 for (int i = 0; i < 10; ++i)326 foo();327#pragma omp parallel for simd reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}328 for (int i = 0; i < 10; ++i)329 foo();330#pragma omp parallel shared(i)331#pragma omp parallel reduction(min : i)332#pragma omp parallel for simd reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}333 for (int i = 0; i < 10; ++i)334 foo();335#pragma omp parallel private(fl)336#pragma omp parallel for simd reduction(+ : fl)337 for (int i = 0; i < 10; ++i)338 foo();339#pragma omp parallel reduction(* : fl)340#pragma omp parallel for simd reduction(+ : fl)341 for (int i = 0; i < 10; ++i)342 foo();343 static int m;344#pragma omp parallel for simd reduction(+ : m) // OK345 for (int i = 0; i < 10; ++i)346 m++;347#pragma omp parallel for simd reduction(task, + : m) // omp45-error 2 {{expected expression}} omp45-warning {{missing ':' after reduction identifier - ignoring}} omp50-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}}348 for (int i = 0; i < 10; ++i)349 m++;350 351 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}}352}353