// RUN: %clang_cc1 -verify -fopenmp -fsyntax-only %s -Wuninitialized
// RUN: %clang_cc1 -verify -fopenmp -std=c++11 -fsyntax-only %s -Wuninitialized
// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -fsyntax-only %s -Wuninitialized
// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++11 -fsyntax-only %s -Wuninitialized
// RUN: %clang_cc1 -verify -fopenmp-simd -fsyntax-only %s -Wuninitialized
// RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 -fsyntax-only %s -Wuninitialized
// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -fsyntax-only %s -Wuninitialized
// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++11 -fsyntax-only %s -Wuninitialized
typedef void **omp_allocator_handle_t;
extern const omp_allocator_handle_t omp_null_allocator;
extern const omp_allocator_handle_t omp_default_mem_alloc;
extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
extern const omp_allocator_handle_t omp_const_mem_alloc;
extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
extern const omp_allocator_handle_t omp_pteam_mem_alloc;
extern const omp_allocator_handle_t omp_thread_mem_alloc;
void xxx(int argc) {
int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
[[omp::directive(taskloop reduction(+:fp))]] // expected-warning {{variable 'fp' is uninitialized when used here}}
for (int i = 0; i < 10; ++i)
;
}
void foo() {
}
bool foobool(int argc) {
return argc;
}
void foobar(int &ref) {
[[omp::directive(taskloop reduction(+:ref))]]
for (int i = 0; i < 10; ++i)
foo();
}
struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
extern S1 a;
class S2 {
mutable int a;
S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
public:
S2() : a(0) {}
S2(S2 &s2) : a(s2.a) {}
static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
};
const float S2::S2sc = 0;
S2 b; // expected-note 3 {{'b' defined here}}
const S2 ba[5]; // expected-note 2 {{'ba' defined here}}
class S3 {
int a;
public:
int b;
S3() : a(0) {}
S3(const S3 &s3) : a(s3.a) {}
S3 operator+(const S3 &arg1) { return arg1; }
};
int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
S3 c; // expected-note 3 {{'c' defined here}}
const S3 ca[5]; // expected-note 2 {{'ca' defined here}}
extern const int f; // expected-note 4 {{'f' declared here}}
class S4 {
int a;
S4(); // expected-note {{implicitly declared private here}}
S4(const S4 &s4);
S4 &operator+(const S4 &arg) { return (*this); }
public:
S4(int v) : a(v) {}
};
S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
class S5 {
int a:32;
S5() : a(0) {} // expected-note {{implicitly declared private here}}
S5(const S5 &s5) : a(s5.a) {}
S5 &operator+(const S5 &arg);
public:
S5(int v) : a(v) {}
};
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}}
#if __cplusplus >= 201103L // C++11 or later
// expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
#endif
int a;
public:
S6() : a(6) {}
operator int() { return 6; }
} o;
struct S7 {
int a: 32;
S7() {
[[omp::directive(taskloop reduction(+:a))]] // expected-error {{expected addressable reduction item for the task-based directives}}
for (int i = 0; i < 10; ++i)
++a;
}
};
S3 h, k;
[[omp::directive(threadprivate(h))]]; // expected-note 2 {{defined as threadprivate or thread local}}
template <class T> // expected-note {{declared here}}
T tmain(T argc) {
const T d = T(); // expected-note 4 {{'d' defined here}}
const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
T qa[5] = {T()};
T i, z;
T &j = i; // expected-note 4 {{'j' defined here}}
S3 &p = k; // expected-note 2 {{'p' defined here}}
const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}
T fl;
[[omp::directive(taskloop reduction)]] // expected-error {{expected '(' after 'reduction'}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction +)]] // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp taskloop' are ignored}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction())]] // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(*))]] // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(\))]] // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop 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'}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(^ : T))]] // expected-error {{'T' does not refer to a value}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop 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'}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop 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}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(max : h.b))]] // expected-error {{expected variable name, array element or array section}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(+ : ba))]] // expected-error {{const-qualified variable cannot be reduction}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(* : ca))]] // expected-error {{const-qualified variable cannot be reduction}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop 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}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(^ : fl))]] // expected-error {{invalid operands to binary expression ('float' and 'float')}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(&& : S2::S2s))]] // expected-error {{shared variable cannot be reduction}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(&& : S2::S2sc))]] // expected-error {{const-qualified variable cannot be reduction}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(+ : h, k))]] // expected-error {{threadprivate or thread local variable cannot be reduction}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(+ : o))]] // expected-error 2 {{no viable overloaded '='}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop private(i), reduction(+ : j), reduction(+ : q))]] // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::sequence(directive(parallel private(k)), directive(taskloop reduction(+ : p), reduction(+ : p)))]] // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(+ : p), reduction(+ : p))]] // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(+ : r))]] // expected-error 2 {{const-qualified variable cannot be reduction}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::sequence(directive(parallel shared(i)), directive(parallel reduction(min : i)), directive(taskloop reduction(max : j)))]] // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::sequence(directive(parallel private(fl)), directive(taskloop reduction(+ : fl) allocate(omp_thread_mem_alloc: fl)))]] // expected-warning 2 {{allocator with the 'thread' trait access has unspecified behavior on 'taskloop' directive}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::sequence(directive(parallel reduction(* : fl)), directive(taskloop reduction(+ : fl)))]]
for (int i = 0; i < 10; ++i)
foo();
return T();
}
namespace A {
double x;
[[omp::directive(threadprivate(x))]]; // expected-note {{defined as threadprivate or thread local}}
}
namespace B {
using A::x;
}
int main(int argc, char **argv) {
const int d = 5; // expected-note 2 {{'d' defined here}}
const int da[5] = {0}; // expected-note {{'da' defined here}}
int qa[5] = {0};
S4 e(4);
S5 g(5);
int i, z;
int &j = i; // expected-note 2 {{'j' defined here}}
S3 &p = k; // expected-note 2 {{'p' defined here}}
const int &r = da[i]; // expected-note {{'r' defined here}}
int &q = qa[i]; // expected-note {{'q' defined here}}
float fl;
[[omp::directive(taskloop reduction)]] // expected-error {{expected '(' after 'reduction'}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction +)]] // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp taskloop' are ignored}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction())]] // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(*))]] // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(\))]] // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(~ : argc))]] // expected-error {{expected unqualified-id}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(&& : argc, z))]]
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(^ : S1))]] // expected-error {{'S1' does not refer to a value}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop 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'}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop 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}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(max : h.b))]] // expected-error {{expected variable name, array element or array section}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(+ : ba))]] // expected-error {{const-qualified variable cannot be reduction}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(* : ca))]] // expected-error {{const-qualified variable cannot be reduction}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(- : da))]] // expected-error {{const-qualified variable cannot be reduction}} omp52-warning {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(^ : fl))]] // expected-error {{invalid operands to binary expression ('float' and 'float')}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(&& : S2::S2s))]] // expected-error {{shared variable cannot be reduction}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(&& : S2::S2sc))]] // expected-error {{const-qualified variable cannot be reduction}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop 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')}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(+ : h, k, B::x))]] // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(+ : o))]] // expected-error {{no viable overloaded '='}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop private(i), reduction(+ : j), reduction(+ : q))]] // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::sequence(directive(parallel private(k)), directive(taskloop reduction(+ : p), reduction(+ : p)))]] // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(+ : p), reduction(+ : p))]] // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::directive(taskloop reduction(+ : r))]] // expected-error {{const-qualified variable cannot be reduction}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::sequence(directive(parallel shared(i)), directive(parallel reduction(min : i)), directive(taskloop reduction(max : j)))]] // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
for (int i = 0; i < 10; ++i)
foo();
[[omp::sequence(directive(parallel private(fl)), directive(taskloop reduction(+ : fl)))]]
for (int i = 0; i < 10; ++i)
foo();
[[omp::sequence(directive(parallel reduction(* : fl)), directive(taskloop reduction(+ : fl)))]]
for (int i = 0; i < 10; ++i)
foo();
static int m;
[[omp::directive(taskloop reduction(+ : m))]] // OK
for (int i = 0; i < 10; ++i)
m++;
[[omp::directive(taskloop reduction(task, + : m))]] // expected-error {{'reduction' clause with 'task' modifier allowed only on non-simd parallel or worksharing constructs}}
for (int i = 0; i < 10; ++i)
m++;
[[omp::directive(taskloop nogroup reduction(+ : m))]] // expected-error {{'reduction' clause cannot be used with 'nogroup' clause}}
for (int i = 0; i < 10; ++i)
m++;
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}}
}
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