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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
352 lines
20 KiB
C++
352 lines
20 KiB
C++
// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp51 -fopenmp %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -std=c++98 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -std=c++11 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++98 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++11 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++98 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++11 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -std=c++98 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -std=c++11 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++98 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++11 %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++98 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++11 -o - %s -Wuninitialized
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extern int omp_default_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 simd 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 simd 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;
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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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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 simd 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 simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp simd' are ignored}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 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')}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp simd 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 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'}} 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'}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp 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 '('}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp simd 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 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'}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp 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}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp simd 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 simd 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 simd 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 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}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd reduction(+ : j), reduction(+ : q) // OK
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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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp simd' are ignored}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp simd 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 simd 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 simd 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 simd 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 simd 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 simd 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'}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp simd 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 simd 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 simd 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 simd 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 simd 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 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'}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp 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}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp simd 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 simd 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 simd 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 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}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp simd 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 simd 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 simd 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 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')}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd 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 simd reduction(+ : fl)
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|
for (int i = 0; i < 10; ++i)
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|
foo();
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|
#pragma omp simd reduction(task, + : fl) // 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}}
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for (int i = 0; i < 10; ++i)
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|
foo();
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|
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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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