8c1f2d15b8
to dependent declarations. Treat an id-expression that names a local variable in a templated function as being instantiation-dependent. This addresses a language defect whereby a reference to a dependent declaration can be formed without any construct being value-dependent. Fixing that through value-dependence turns out to be problematic, so instead this patch takes the approach (proposed on the core reflector) of allowing the use of pointers or references to (but not values of) dependent declarations inside value-dependent expressions, and instead treating template arguments as dependent if they evaluate to a constant involving such dependent declarations. This ends up affecting a bunch of OpenMP tests, due to OpenMP imprecisely handling instantiation-dependent constructs, bailing out early instead of processing dependent constructs to the extent possible when handling the template.
211 lines
14 KiB
C++
211 lines
14 KiB
C++
// RUN: %clang_cc1 -verify=expected,le50 -fopenmp -ferror-limit 100 %s -Wno-openmp-mapping -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,le45 -fopenmp -fopenmp-version=40 -ferror-limit 100 %s -Wno-openmp-mapping -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,le45 -fopenmp -fopenmp-version=45 -ferror-limit 100 %s -Wno-openmp-mapping -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,le50 -fopenmp -fopenmp-version=50 -ferror-limit 100 %s -Wno-openmp-mapping -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,le50 -fopenmp-simd -ferror-limit 100 %s -Wno-openmp-mapping -Wuninitialized
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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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struct S1; // expected-note 2 {{declared here}}
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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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S2(S2 &s2):a(s2.a) { }
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static float S2s;
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static const float S2sc;
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};
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const float S2::S2sc = 0;
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const S2 b;
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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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S3(S3 &s3):a(s3.a) { }
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};
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const S3 c;
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const S3 ca[5];
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extern const int f;
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class S4 {
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int a;
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S4();
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S4(const S4 &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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S5(const S5 &s5):a(s5.a) { }
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public:
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S5(int v):a(v) { }
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};
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struct S6 {
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int ii;
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int aa[30];
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float xx;
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double *pp;
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};
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struct S7 {
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int i;
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int a[50];
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float x;
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S6 s6[5];
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double *p;
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unsigned bfa : 4;
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};
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struct S8 {
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int *ptr;
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int a;
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struct S7* S;
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void foo() {
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#pragma omp target update from(*this) // le45-error {{expected expression containing only member accesses and/or array sections based on named variables}} le45-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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{}
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#pragma omp target update from(*(this->ptr)) // le45-error {{expected expression containing only member accesses and/or array sections based on named variables}} le45-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(*(this->S->i+this->S->p)) // le45-error {{expected expression containing only member accesses and/or array sections based on named variables}} le45-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(*(this->S->i+this->S->s6[0].pp)) // le45-error {{expected expression containing only member accesses and/or array sections based on named variables}} le45-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(*(a+this->ptr)) // le45-error {{expected expression containing only member accesses and/or array sections based on named variables}} le45-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(*(*(this->ptr)+a+this->ptr)) // le45-error {{expected expression containing only member accesses and/or array sections based on named variables}} le45-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(*(this+this)) // expected-error {{invalid operands to binary expression ('S8 *' and 'S8 *')}}
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}
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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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typedef int to;
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template <typename T, int I> // expected-note {{declared here}}
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T tmain(T argc) {
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const T d = 5;
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const T da[5] = { 0 };
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S4 e(4);
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S5 g(5);
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T i, t[20];
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T &j = i;
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T *k = &j;
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T x;
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T y;
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T from;
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const T (&l)[5] = da;
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T *m;
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S7 s7;
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#pragma omp target update from // expected-error {{expected '(' after 'from'}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from( // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected expression}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from() // expected-error {{expected expression}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update() // expected-warning {{extra tokens at the end of '#pragma omp target update' are ignored}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(alloc) // expected-error {{use of undeclared identifier 'alloc'}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(x)
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#pragma omp target update from(t[:I])
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#pragma omp target update from(T) // expected-error {{'T' does not refer to a value}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(I) // le50-error 2 {{expected addressable lvalue in 'from' clause}} le45-error 2 {{expected expression containing only member accesses and/or array sections based on named variables}}
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#pragma omp target update from(S2::S2s)
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#pragma omp target update from(S2::S2sc)
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#pragma omp target update from(from)
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#pragma omp target update from(y x) // expected-error {{expected ',' or ')' in 'from' clause}}
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#pragma omp target update from(argc > 0 ? x : y) // le50-error 2 {{expected addressable lvalue in 'from' clause}} le45-error 2 {{expected expression containing only member accesses and/or array sections based on named variables}}
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#pragma omp target update from(S1) // expected-error {{'S1' does not refer to a value}}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(a, b, c, d, f) // expected-error {{incomplete type 'S1' where a complete type is required}}
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#pragma omp target update from(ba)
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#pragma omp target update from(h) // expected-error {{threadprivate variables are not allowed in 'from' clause}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(k), to(k) // expected-error 2 {{variable can appear only once in OpenMP 'target update' construct}} expected-note 2 {{used here}}
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#pragma omp target update from(t), from(t[:5]) // expected-error 2 {{variable can appear only once in OpenMP 'target update' construct}} expected-note 2 {{used here}}
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#pragma omp target update from(da)
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#pragma omp target update from(da[:4])
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#pragma omp target update from(x, a[:2]) // expected-error {{subscripted value is not an array or pointer}}
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#pragma omp target update from(x, c[:]) // expected-error {{subscripted value is not an array or pointer}}
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#pragma omp target update from(x, (m+1)[2]) // le45-error 2 {{expected expression containing only member accesses and/or array sections based on named variables}}
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#pragma omp target update from(s7.i, s7.a[:3])
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#pragma omp target update from(s7.s6[1].aa[0:5])
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#pragma omp target update from(x, s7.s6[:5].aa[6]) // expected-error {{OpenMP array section is not allowed here}}
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#pragma omp target update from(x, s7.s6[:5].aa[:6]) // expected-error {{OpenMP array section is not allowed here}}
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#pragma omp target update from(s7.p[:10])
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#pragma omp target update from(x, s7.bfa) // expected-error 2{{bit fields cannot be used to specify storage in a 'from' clause}}
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#pragma omp target update from(x, s7.p[:]) // expected-error {{section length is unspecified and cannot be inferred because subscripted value is not an array}}
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#pragma omp target data map(to: s7.i)
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{
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#pragma omp target update from(s7.x)
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}
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return 0;
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}
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int main(int argc, char **argv) {
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const int d = 5;
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const int da[5] = { 0 };
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S4 e(4);
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S5 g(5);
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int i, t[20];
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int &j = i;
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int *k = &j;
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int x;
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int y;
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int from;
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const int (&l)[5] = da;
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int *m;
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S7 s7;
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int **BB, *offset;
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int ***BBB;
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#pragma omp target update from // expected-error {{expected '(' after 'from'}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from( // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected expression}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from() // expected-error {{expected expression}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update() // expected-warning {{extra tokens at the end of '#pragma omp target update' are ignored}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(alloc) // expected-error {{use of undeclared identifier 'alloc'}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(x)
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#pragma omp target update from(t[:i])
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#pragma omp target update from(S2::S2s)
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#pragma omp target update from(S2::S2sc)
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#pragma omp target update from(from)
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#pragma omp target update from(y x) // expected-error {{expected ',' or ')' in 'from' clause}}
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#pragma omp target update from(argc > 0 ? x : y) // le50-error {{expected addressable lvalue in 'from' clause}} le45-error {{expected expression containing only member accesses and/or array sections based on named variables}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(S1) // expected-error {{'S1' does not refer to a value}}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(a, b, c, d, f) // expected-error {{incomplete type 'S1' where a complete type is required}}
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#pragma omp target update from(ba)
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#pragma omp target update from(h) // expected-error {{threadprivate variables are not allowed in 'from' clause}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(k), to(k) // expected-error {{variable can appear only once in OpenMP 'target update' construct}} expected-note {{used here}}
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#pragma omp target update from(t), from(t[:5]) // expected-error {{variable can appear only once in OpenMP 'target update' construct}} expected-note {{used here}}
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#pragma omp target update from(da)
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#pragma omp target update from(da[:4])
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#pragma omp target update from(x, a[:2]) // expected-error {{subscripted value is not an array or pointer}}
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#pragma omp target update from(x, c[:]) // expected-error {{subscripted value is not an array or pointer}}
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#pragma omp target update from(x, (m+1)[2]) // // le45-error {{expected expression containing only member accesses and/or array sections based on named variables}}
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#pragma omp target update from(s7.i, s7.a[:3])
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#pragma omp target update from(s7.s6[1].aa[0:5])
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#pragma omp target update from(x, s7.s6[:5].aa[6]) // expected-error {{OpenMP array section is not allowed here}}
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#pragma omp target update from(x, s7.s6[:5].aa[:6]) // expected-error {{OpenMP array section is not allowed here}}
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#pragma omp target update from(s7.p[:10])
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#pragma omp target update from(x, s7.bfa) // expected-error {{bit fields cannot be used to specify storage in a 'from' clause}}
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#pragma omp target update from(x, s7.p[:]) // expected-error {{section length is unspecified and cannot be inferred because subscripted value is not an array}}
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#pragma omp target update from(**(BB+*offset)) // le45-error {{expected expression containing only member accesses and/or array sections based on named variables}} le45-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(**(BB+y)) // le45-error {{expected expression containing only member accesses and/or array sections based on named variables}} le45-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(*(m+*offset)) // le45-error {{expected expression containing only member accesses and/or array sections based on named variables}} le45-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(**(*offset+BB)) // le45-error {{expected expression containing only member accesses and/or array sections based on named variables}} le45-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(**(y+BB)) // le45-error {{expected expression containing only member accesses and/or array sections based on named variables}} le45-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(*(*offset+m)) // le45-error {{expected expression containing only member accesses and/or array sections based on named variables}} le45-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(**(-(*offset)+BB+*m)) // le45-error {{expected expression containing only member accesses and/or array sections based on named variables}} le45-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(**(*(*(&offset))+BB-*m)) // le45-error {{expected expression containing only member accesses and/or array sections based on named variables}} le45-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(*(x+*(y+*(**BB+BBB)+s7.i))) // le45-error {{expected expression containing only member accesses and/or array sections based on named variables}} le45-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
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#pragma omp target update from(*(m+(m))) // expected-error {{invalid operands to binary expression ('int *' and 'int *')}}
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#pragma omp target update from(*(1+y+y)) // expected-error {{indirection requires pointer operand ('int' invalid)}}
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#pragma omp target data map(to: s7.i)
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{
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#pragma omp target update from(s7.x)
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}
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return tmain<int, 3>(argc)+tmain<to, 4>(argc); // expected-note {{in instantiation of function template specialization 'tmain<int, 3>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<int, 4>' requested here}}
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}
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