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https://github.com/Gericom/teak-llvm.git
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071dca24ce
A trivially copyable type provides a trivial copy constructor and a trivial copy assignment operator. This is enough for the runtime to memcpy the data to the device. Additionally there must be no virtual functions or virtual base classes and the destructor is guaranteed to be trivial, ie performs no action. The runtime does not require trivial default constructors because on alloc the memory is undefined. Thus, weaken the warning to be only issued if the mapped type is not trivially copyable. Differential Revision: https://reviews.llvm.org/D71134
331 lines
11 KiB
C++
331 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;
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#pragma omp distribute simd linear(i)
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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@+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
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#pragma omp distribute simd linear(B:bfoo())
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+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
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#pragma omp 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@+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
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#pragma omp 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@+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
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#pragma omp 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@+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
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#pragma omp distribute simd linear(B:B::bfoo())
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+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
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#pragma omp distribute simd linear(X::x : ::z)
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+3 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
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#pragma omp distribute simd linear(B,::z, X::x)
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+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
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#pragma omp 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
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#pragma omp 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@+3 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
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#pragma omp 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
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#pragma omp 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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#pragma omp target
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#pragma omp teams
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#pragma omp parallel for 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
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#pragma omp 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
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#pragma omp 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
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#pragma omp 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@+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
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#pragma omp 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@+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
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#pragma omp 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
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#pragma omp 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@+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
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#pragma omp distribute simd linear (argc : 5)
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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
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#pragma omp 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
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#pragma omp 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
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#pragma omp 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@+3 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
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#pragma omp 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
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#pragma omp 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@+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
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#pragma omp 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
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#pragma omp 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
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#pragma omp 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
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#pragma omp 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@+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
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#pragma omp 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@+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
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#pragma omp 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
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#pragma omp 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@+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
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#pragma omp distribute simd linear (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 k = 0; k < argc; ++k) ++k;
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#pragma omp target
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#pragma omp teams
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#pragma omp 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
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#pragma omp distribute simd linear (a, b) // 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-error {{incomplete type 'S1' where a complete type is required}}
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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
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#pragma omp 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
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#pragma omp 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'}}
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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
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#pragma omp 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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#pragma omp parallel
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{
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int k;
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd linear(k)
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for (k = 0; k < argc; ++k) ++k;
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd linear(k : 4)
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for (k = 0; k < argc; k+=4) { }
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}
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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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