forked from OSchip/llvm-project
281 lines
11 KiB
C++
281 lines
11 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
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// RUN: %clang_cc1 -verify -fopenmp-simd %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 i, step; // expected-note {{initialize the variable 'step' to silence this warning}}
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#pragma omp target
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#pragma omp teams distribute simd linear(i : step) // expected-warning {{variable 'step' is uninitialized when used here}}
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for (i = 0; i < 10; ++i)
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;
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}
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namespace X {
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int x;
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};
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struct B {
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static int ib; // expected-note {{'B::ib' declared here}}
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static int bfoo() { return 8; }
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};
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int bfoo() { return 4; }
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int z;
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const int C1 = 1;
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const int C2 = 2;
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void test_linear_colons()
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{
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int B = 0;
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// expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
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#pragma omp target
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#pragma omp teams distribute simd linear(B:bfoo())
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
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#pragma omp target
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#pragma omp teams distribute simd linear(B::ib:B:bfoo()) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'}}
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
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#pragma omp target
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#pragma omp teams distribute simd linear(B:ib) // expected-error {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
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#pragma omp target
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#pragma omp teams distribute simd linear(z:B:ib) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'?}}
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
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#pragma omp target
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#pragma omp teams distribute simd linear(B:B::bfoo())
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
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#pragma omp target
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#pragma omp teams distribute simd linear(X::x : ::z)
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+2 3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
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#pragma omp target
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#pragma omp teams distribute simd linear(B,::z, X::x)
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
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#pragma omp target
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#pragma omp teams distribute simd linear(::z)
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for (int i = 0; i < 10; ++i) ;
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#pragma omp target
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#pragma omp teams distribute simd linear(B::bfoo()) // expected-error {{expected variable name}}
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+2 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
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#pragma omp target
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#pragma omp teams distribute simd linear(B::ib,B:C1+C2)
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for (int i = 0; i < 10; ++i) ;
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}
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template<int L, class T, class N> T test_template(T* arr, N num) {
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N i;
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T sum = (T)0;
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T ind2 = - num * L; // expected-note {{'ind2' defined here}}
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#pragma omp target
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#pragma omp teams distribute simd linear(ind2:L) // expected-error {{argument of a linear clause should be of integral or pointer type}}
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for (i = 0; i < num; ++i) {
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T cur = arr[(int)ind2];
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ind2 += L;
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sum += cur;
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}
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return T();
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}
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template<int LEN> int test_warn() {
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int ind2 = 0;
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// expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
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#pragma omp target
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#pragma omp teams distribute simd linear(ind2:LEN) // expected-warning {{zero linear step (ind2 should probably be const)}}
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for (int i = 0; i < 100; i++) {
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ind2 += LEN;
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}
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return ind2;
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}
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struct S1; // expected-note 2 {{declared here}} expected-note 2 {{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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public:
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S2():a(0) { }
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};
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const S2 b; // expected-note 2 {{'b' defined here}}
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const S2 ba[5];
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class S3 {
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int a;
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public:
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S3():a(0) { }
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};
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const S3 ca[5];
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class S4 {
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int a;
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S4();
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public:
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S4(int v):a(v) { }
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};
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class S5 {
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int a;
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S5():a(0) {}
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public:
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S5(int v):a(v) { }
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};
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S3 h;
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#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
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template<class I, class C> int foomain(I argc, C **argv) {
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I e(4);
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I g(5);
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int i;
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int &j = i;
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#pragma omp target
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#pragma omp teams distribute simd linear // expected-error {{expected '(' after 'linear'}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp target
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#pragma omp teams distribute simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp target
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#pragma omp teams distribute simd linear () // expected-error {{expected expression}}
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for (int k = 0; k < argc; ++k) ++k;
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// expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
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#pragma omp target
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#pragma omp teams distribute simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int k = 0; k < argc; ++k) ++k;
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// expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
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#pragma omp target
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#pragma omp teams distribute simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp target
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#pragma omp teams distribute simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
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for (int k = 0; k < argc; ++k) ++k;
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// expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
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#pragma omp target
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#pragma omp teams distribute simd linear (argc : 5) 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 k = 0; k < argc; ++k) ++k;
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#pragma omp target
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#pragma omp teams distribute simd linear (S1) // expected-error {{'S1' does not refer to a value}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp target
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#pragma omp teams distribute simd linear (a, b:B::ib) // expected-error {{linear variable with incomplete type 'S1'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S2'}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp target
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#pragma omp teams distribute simd linear (argv[1]) // expected-error {{expected variable name}}
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for (int k = 0; k < argc; ++k) ++k;
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// expected-error@+2 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
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#pragma omp target
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#pragma omp teams distribute simd linear(e, g)
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp target
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#pragma omp teams distribute simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
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for (int k = 0; k < argc; ++k) ++k;
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// expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
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#pragma omp target
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#pragma omp teams distribute simd linear(i)
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for (int k = 0; k < argc; ++k) ++k;
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return 0;
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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 C {
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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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double darr[100];
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// expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
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test_template<-4>(darr, 4);
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// expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
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test_warn<0>();
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S4 e(4); // expected-note {{'e' defined here}}
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S5 g(5); // expected-note {{'g' defined here}}
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int i;
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int &j = i;
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#pragma omp target
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#pragma omp teams distribute simd linear // expected-error {{expected '(' after 'linear'}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp target
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#pragma omp teams distribute simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp target
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#pragma omp teams distribute simd linear () // expected-error {{expected expression}}
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for (int k = 0; k < argc; ++k) ++k;
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// expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
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#pragma omp target
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#pragma omp teams distribute simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int k = 0; k < argc; ++k) ++k;
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// expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
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#pragma omp target
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#pragma omp teams distribute simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp target
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#pragma omp teams distribute simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
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for (int k = 0; k < argc; ++k) ++k;
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// expected-error@+2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
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#pragma omp target
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#pragma omp teams distribute simd linear (argc)
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp target
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#pragma omp teams distribute simd linear (S1) // expected-error {{'S1' does not refer to a value}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp target
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#pragma omp teams distribute simd linear (a, b) // expected-error {{incomplete type 'S1' where a complete type is required}} expected-error {{linear variable with incomplete type 'S1'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S2'}} expected-warning {{Non-trivial type 'const S2' is mapped, only trivial types are guaranteed to be mapped correctly}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp target
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#pragma omp teams distribute simd linear (argv[1]) // expected-error {{expected variable name}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp target
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#pragma omp teams distribute simd linear(e, g) // expected-error {{argument of a linear clause should be of integral or pointer type, not 'S4'}} expected-error {{argument of a linear clause should be of integral or pointer type, not 'S5'}} expected-warning {{Non-trivial type 'S4' is mapped, only trivial types are guaranteed to be mapped correctly}} expected-warning {{Non-trivial type 'S5' is mapped, only trivial types are guaranteed to be mapped correctly}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp target
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#pragma omp teams distribute simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
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for (int k = 0; k < argc; ++k) ++k;
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foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
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return 0;
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}
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