52807ba383
Currently, clang gives an incorrect reduction identifier error for the PLUS
operator for OpenMP version > 52. But, PLUS operator is allowed in OpenMP
version > 52. This revision fixes this issue and also modified the error
messages to show the correct expected operators in the message based on the OpenMP
version used (prior to OMP 6.0 and since OMP 6.0).
Test Src:
void foo() {
int a = 0 ;
#pragma omp parallel reduction(+:a)
;
#pragma omp parallel reduction(-:a)
;
}
Before this revision:
$ clang -fopenmp -fopenmp-version=60 test.c -c
test.c:3:34: error: incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'
3 | #pragma omp parallel reduction(+:a)
| ^
test.c:5:34: error: incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'
5 | #pragma omp parallel reduction(-:a)
| ^
2 errors generated.
Wit this revision:
$ clang -fopenmp -fopenmp-version=60 test.c -c
test.c:5:34: error: incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'
5 | #pragma omp parallel reduction(-:a)
|
1 error generated.
Differential Revision: https://reviews.llvm.org/D155635
375 lines
23 KiB
C++
375 lines
23 KiB
C++
// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
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typedef void **omp_allocator_handle_t;
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extern const omp_allocator_handle_t omp_null_allocator;
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extern const omp_allocator_handle_t omp_default_mem_alloc;
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extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
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extern const omp_allocator_handle_t omp_const_mem_alloc;
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extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
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extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
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extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
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extern const omp_allocator_handle_t omp_pteam_mem_alloc;
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extern const omp_allocator_handle_t omp_thread_mem_alloc;
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void xxx(int argc) {
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int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
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#pragma omp parallel master taskloop reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
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for (int i = 0; i < 10; ++i)
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;
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}
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void foo() {
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}
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bool foobool(int argc) {
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return argc;
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}
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void foobar(int &ref) {
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#pragma omp parallel master taskloop reduction(+:ref)
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for (int i = 0; i < 10; ++i)
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foo();
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}
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struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
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extern S1 a;
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class S2 {
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mutable int a;
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S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
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public:
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S2() : a(0) {}
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S2(S2 &s2) : a(s2.a) {}
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static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
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static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
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};
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const float S2::S2sc = 0;
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S2 b; // expected-note 3 {{'b' defined here}}
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const S2 ba[5]; // expected-note 2 {{'ba' defined here}}
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class S3 {
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int a;
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public:
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int b;
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S3() : a(0) {}
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S3(const S3 &s3) : a(s3.a) {}
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S3 operator+(const S3 &arg1) { return arg1; }
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};
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int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
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S3 c; // expected-note 3 {{'c' defined here}}
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const S3 ca[5]; // expected-note 2 {{'ca' defined here}}
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extern const int f; // expected-note 4 {{'f' declared here}}
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class S4 {
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int a;
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S4(); // expected-note {{implicitly declared private here}}
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S4(const S4 &s4);
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S4 &operator+(const S4 &arg) { return (*this); }
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public:
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S4(int v) : a(v) {}
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};
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S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
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class S5 {
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int a:32;
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S5() : a(0) {} // expected-note {{implicitly declared private here}}
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S5(const S5 &s5) : a(s5.a) {}
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S5 &operator+(const S5 &arg);
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public:
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S5(int v) : a(v) {}
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};
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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}}
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#if __cplusplus >= 201103L // C++11 or later
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// expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
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#endif
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int a;
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public:
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S6() : a(6) {}
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operator int() { return 6; }
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} o;
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struct S7 {
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int a: 32;
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S7() {
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#pragma omp parallel master taskloop reduction(+:a) // expected-error {{expected addressable reduction item for the task-based directives}}
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for (int i = 0; i < 10; ++i)
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++a;
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}
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};
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S3 h, k;
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#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
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template <class T> // expected-note {{declared here}}
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T tmain(T argc) {
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const T d = T(); // expected-note 4 {{'d' defined here}}
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const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
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T qa[5] = {T()};
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T i, z;
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T &j = i; // expected-note 4 {{'j' defined here}}
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S3 &p = k; // expected-note 2 {{'p' defined here}}
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const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
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T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}
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T fl;
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#pragma omp parallel master taskloop reduction // expected-error {{expected '(' after 'reduction'}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel master taskloop' are ignored}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop 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'}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop 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 '('}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(^ : T) // expected-error {{'T' does not refer to a value}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master 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'}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master 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}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master 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}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel private(k)
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#pragma omp parallel master taskloop reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel shared(i)
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#pragma omp parallel reduction(min : i)
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#pragma omp parallel master taskloop reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel private(fl)
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#pragma omp parallel master taskloop reduction(+ : fl) allocate(omp_thread_mem_alloc: fl) // expected-warning 2 {{allocator with the 'thread' trait access has unspecified behavior on 'parallel master taskloop' directive}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel reduction(* : fl)
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#pragma omp parallel master taskloop reduction(+ : fl)
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for (int i = 0; i < 10; ++i)
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foo();
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return T();
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}
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namespace A {
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double x;
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#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
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}
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namespace B {
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using A::x;
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}
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int main(int argc, char **argv) {
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const int d = 5; // expected-note 2 {{'d' defined here}}
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const int da[5] = {0}; // expected-note {{'da' defined here}}
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int qa[5] = {0};
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S4 e(4);
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S5 g(5);
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int i, z;
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int &j = i; // expected-note 2 {{'j' defined here}}
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S3 &p = k; // expected-note 2 {{'p' defined here}}
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const int &r = da[i]; // expected-note {{'r' defined here}}
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int &q = qa[i]; // expected-note {{'q' defined here}}
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float fl;
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#pragma omp parallel master taskloop reduction // expected-error {{expected '(' after 'reduction'}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp parallel master taskloop' are ignored}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop 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'}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(~ : argc) // expected-error {{expected unqualified-id}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(&& : argc, z)
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master 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'}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master 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}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master 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}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master 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')}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(+ : o) // expected-error {{no viable overloaded '='}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel private(k)
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#pragma omp parallel master taskloop reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel master taskloop reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel shared(i)
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#pragma omp parallel reduction(min : i)
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#pragma omp parallel master taskloop reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel private(fl)
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#pragma omp parallel master taskloop reduction(+ : fl)
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel reduction(* : fl)
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#pragma omp parallel master taskloop reduction(+ : fl)
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for (int i = 0; i < 10; ++i)
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foo();
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static int m;
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#pragma omp parallel master taskloop reduction(+ : m) // OK
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for (int i = 0; i < 10; ++i)
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m++;
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#pragma omp parallel master taskloop reduction(task, + : m) // omp45-error 2 {{expected expression}} omp45-warning {{missing ':' after reduction identifier - ignoring}}
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for (int i = 0; i < 10; ++i)
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m++;
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#pragma omp parallel master taskloop nogroup reduction(+ : m) // expected-error {{'reduction' clause cannot be used with 'nogroup' clause}}
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for (int i = 0; i < 10; ++i)
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m++;
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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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}
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