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// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -std=c++17 -fopenmp -fsyntax-only -Wuninitialized -verify %s
void func() {
// expected-error@+1 {{expected '('}}
#pragma omp tile sizes
;
// expected-error@+2 {{expected expression}}
// expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp tile sizes(
;
// expected-error@+1 {{expected expression}}
#pragma omp tile sizes()
;
// expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp tile sizes(5
for (int i = 0; i < 7; ++i);
// expected-error@+2 {{expected expression}}
// expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp tile sizes(5,
;
// expected-error@+1 {{expected expression}}
#pragma omp tile sizes(5,)
;
// expected-error@+2 {{expected expression}}
// expected-error@+1 {{expected ')'}} expected-note@+1 {{to match this '('}}
#pragma omp tile sizes(5+
;
// expected-error@+1 {{expected expression}}
#pragma omp tile sizes(5+)
;
// expected-error@+1 {{expected expression}}
#pragma omp tile sizes(for)
;
// expected-error@+1 {{argument to 'sizes' clause must be a strictly positive integer value}}
#pragma omp tile sizes(0)
for (int i = 0; i < 7; ++i)
;
// expected-warning@+2 {{extra tokens at the end of '#pragma omp tile' are ignored}}
// expected-error@+1 {{directive '#pragma omp tile' requires the 'sizes' clause}}
#pragma omp tile foo
;
// expected-error@+1 {{directive '#pragma omp tile' cannot contain more than one 'sizes' clause}}
#pragma omp tile sizes(5) sizes(5)
for (int i = 0; i < 7; ++i)
;
// expected-error@+1 {{unexpected OpenMP clause 'collapse' in directive '#pragma omp tile'}}
#pragma omp tile sizes(5) collapse(2)
for (int i = 0; i < 7; ++i)
;
{
// expected-error@+2 {{expected statement}}
#pragma omp tile sizes(5)
}
// expected-error@+2 {{statement after '#pragma omp tile' must be a for loop}}
#pragma omp tile sizes(5)
int b = 0;
// expected-error@+3 {{statement after '#pragma omp tile' must be a for loop}}
#pragma omp tile sizes(5,5)
for (int i = 0; i < 7; ++i)
;
// expected-error@+2 {{statement after '#pragma omp tile' must be a for loop}}
#pragma omp tile sizes(5,5)
for (int i = 0; i < 7; ++i) {
int k = 3;
for (int j = 0; j < 7; ++j)
;
}
// expected-error@+3 {{expected loop invariant expression}}
#pragma omp tile sizes(5,5)
for (int i = 0; i < 7; ++i)
for (int j = i; j < 7; ++j)
;
// expected-error@+3 {{expected loop invariant expression}}
#pragma omp tile sizes(5,5)
for (int i = 0; i < 7; ++i)
for (int j = 0; j < i; ++j)
;
// expected-error@+3 {{expected loop invariant expression}}
#pragma omp tile sizes(5,5)
for (int i = 0; i < 7; ++i)
for (int j = 0; j < i; ++j)
;
// expected-error@+5 {{expected 3 for loops after '#pragma omp for', but found only 2}}
// expected-note@+1 {{as specified in 'collapse' clause}}
#pragma omp for collapse(3)
#pragma omp tile sizes(5)
for (int i = 0; i < 7; ++i)
;
// expected-error@+2 {{statement after '#pragma omp tile' must be a for loop}}
#pragma omp tile sizes(5)
#pragma omp for
for (int i = 0; i < 7; ++i)
;
// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', '>=', or '!=') of loop variable 'i'}}
#pragma omp tile sizes(5)
for (int i = 0; i/3<7; ++i)
;
// expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'struct S'}}
struct S{} s;
#pragma omp tile sizes(s)
for (int i = 0; i < 7; ++i)
;
}
template <typename T>
static void templated_func() {
// In a template context, but expression itself not instantiation-dependent
// expected-error@+1 {{argument to 'sizes' clause must be a strictly positive integer value}}
#pragma omp tile sizes(0)
for (int i = 0; i < 7; ++i)
;
}
template <int S>
static void templated_func_value_dependent() {
// expected-error@+1 {{argument to 'sizes' clause must be a strictly positive integer value}}
#pragma omp tile sizes(S)
for (int i = 0; i < 7; ++i)
;
}
template <typename T>
static void templated_func_type_dependent() {
constexpr T s = 0;
// expected-error@+1 {{argument to 'sizes' clause must be a strictly positive integer value}}
#pragma omp tile sizes(s)
for (int i = 0; i < 7; ++i)
;
}
void template_inst() {
templated_func<int>();
// expected-note@+1 {{in instantiation of function template specialization 'templated_func_value_dependent<0>' requested here}}
templated_func_value_dependent<0>();
// expected-note@+1 {{in instantiation of function template specialization 'templated_func_type_dependent<int>' requested here}}
templated_func_type_dependent<int>();
}
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