teak-llvm/clang/test/OpenMP/target_teams_distribute_simd_linear_messages.cpp
Alexey Bataev 471171c4c9 [OPENMP]Add check for undefined behavior with thread allocators on
target and task-based directives.

According to OpenMP 5.0, 2.11.4 allocate Clause, Restrictions, For task,
taskloop or target directives, allocation requests to memory allocators
with the trait access set to thread result in unspecified behavior.
Patch introduces a check for omp_thread_mem_alloc predefined allocator
on target- and trask-based directives.

llvm-svn: 357205
2019-03-28 19:15:36 +00:00

245 lines
10 KiB
C++

// RUN: %clang_cc1 -verify -fopenmp %s
// RUN: %clang_cc1 -verify -fopenmp-simd %s
typedef void **omp_allocator_handle_t;
extern const omp_allocator_handle_t omp_default_mem_alloc;
extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
extern const omp_allocator_handle_t omp_const_mem_alloc;
extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
extern const omp_allocator_handle_t omp_pteam_mem_alloc;
extern const omp_allocator_handle_t omp_thread_mem_alloc;
namespace X {
int x;
};
struct B {
static int ib; // expected-note {{'B::ib' declared here}}
static int bfoo() { return 8; }
};
int bfoo() { return 4; }
int z;
const int C1 = 1;
const int C2 = 2;
void test_linear_colons()
{
int B = 0;
// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(B:bfoo())
for (int i = 0; i < 10; ++i) ;
// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(B::ib:B:bfoo()) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'}}
for (int i = 0; i < 10; ++i) ;
// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(B:ib) // expected-error {{use of undeclared identifier 'ib'; did you mean 'B::ib'}}
for (int i = 0; i < 10; ++i) ;
// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(z:B:ib) // expected-error {{unexpected ':' in nested name specifier; did you mean '::'?}}
for (int i = 0; i < 10; ++i) ;
// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(B:B::bfoo())
for (int i = 0; i < 10; ++i) ;
// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(X::x : ::z)
for (int i = 0; i < 10; ++i) ;
// expected-error@+1 3 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(B,::z, X::x)
for (int i = 0; i < 10; ++i) ;
// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(::z)
for (int i = 0; i < 10; ++i) ;
#pragma omp target teams distribute simd linear(B::bfoo()) // expected-error {{expected variable name}}
for (int i = 0; i < 10; ++i) ;
// expected-error@+1 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(B::ib,B:C1+C2)
for (int i = 0; i < 10; ++i) ;
}
template<int L, class T, class N> T test_template(T* arr, N num) {
N i;
T sum = (T)0;
T ind2 = - num * L; // expected-note {{'ind2' defined here}}
#pragma omp target teams distribute simd linear(ind2:L) // expected-error {{argument of a linear clause should be of integral or pointer type}}
for (i = 0; i < num; ++i) {
T cur = arr[(int)ind2];
ind2 += L;
sum += cur;
}
return T();
}
template<int LEN> int test_warn() {
int ind2 = 0;
// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(ind2:LEN) // expected-warning {{zero linear step (ind2 should probably be const)}}
for (int i = 0; i < 100; i++) {
ind2 += LEN;
}
return ind2;
}
struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
extern S1 a;
class S2 {
mutable int a;
public:
S2():a(0) { }
};
const S2 b; // expected-note 2 {{'b' defined here}}
const S2 ba[5];
class S3 {
int a;
public:
S3():a(0) { }
};
const S3 ca[5];
class S4 {
int a;
S4();
public:
S4(int v):a(v) { }
};
class S5 {
int a;
S5():a(0) {}
public:
S5(int v):a(v) { }
};
S3 h;
#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
template<class I, class C> int foomain(I argc, C **argv) {
I e(4);
I g(5);
int i;
int &j = i;
#pragma omp target teams distribute simd linear // expected-error {{expected '(' after 'linear'}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target teams distribute simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target teams distribute simd linear () // expected-error {{expected expression}}
for (int k = 0; k < argc; ++k) ++k;
// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target teams distribute simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
for (int k = 0; k < argc; ++k) ++k;
// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear (argc : 5)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target teams distribute simd linear (S1) // expected-error {{'S1' does not refer to a value}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target 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'}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target teams distribute simd linear (argv[1]) // expected-error {{expected variable name}}
for (int k = 0; k < argc; ++k) ++k;
// expected-error@+1 2 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(e, g)
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target teams distribute simd linear(h) // expected-error {{threadprivate or thread local variable cannot be linear}}
for (int k = 0; k < argc; ++k) ++k;
// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear(i)
for (int k = 0; k < argc; ++k) ++k;
return 0;
}
namespace A {
double x;
#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
}
namespace C {
using A::x;
}
int main(int argc, char **argv) {
double darr[100];
// expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
test_template<-4>(darr, 4);
// expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
test_warn<0>();
S4 e(4); // expected-note {{'e' defined here}}
S5 g(5); // expected-note {{'g' defined here}}
int i;
int &j = i;
#pragma omp target teams distribute simd linear // expected-error {{expected '(' after 'linear'}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target teams distribute simd linear ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target teams distribute simd linear () // expected-error {{expected expression}}
for (int k = 0; k < argc; ++k) ++k;
// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams distribute simd linear (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target teams distribute simd linear (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
for (int k = 0; k < argc; ++k) ++k;
// expected-error@+1 {{only loop iteration variables are allowed in 'linear' clause in distribute directives}}
#pragma omp target teams 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 '('}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target teams distribute simd linear (S1) // expected-error {{'S1' does not refer to a value}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target teams 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'}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target teams distribute simd linear (argv[1]) // expected-error {{expected variable name}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target 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'}}
for (int k = 0; k < argc; ++k) ++k;
#pragma omp target teams distribute simd linear(h, C::x) // expected-error 2 {{threadprivate or thread local variable cannot be linear}}
for (int k = 0; k < argc; ++k) ++k;
foomain<int,char>(argc,argv); // expected-note {{in instantiation of function template specialization 'foomain<int, char>' requested here}}
return 0;
}