teak-llvm/clang/test/OpenMP/target_teams_firstprivate_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

127 lines
4.3 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;
void foo() {
}
bool foobool(int argc) {
return argc;
}
struct S1; // expected-note {{declared here}} expected-note{{forward declaration of 'S1'}}
extern S1 a;
class S2 {
mutable int a;
public:
S2() : a(0) {}
S2(const S2 &s2) : a(s2.a) {}
static float S2s;
static const float S2sc;
};
const float S2::S2sc = 0;
const S2 b;
const S2 ba[5];
class S3 {
int a;
public:
S3() : a(0) {}
S3(const S3 &s3) : a(s3.a) {}
};
const S3 c;
const S3 ca[5];
extern const int f;
class S4 {
int a;
S4();
S4(const S4 &s4); // expected-note {{implicitly declared private here}}
public:
S4(int v) : a(v) {}
};
class S5 {
int a;
S5() : a(0) {}
S5(const S5 &s5) : a(s5.a) {} // expected-note {{implicitly declared private here}}
public:
S5(int v) : a(v) {}
};
S3 h;
#pragma omp threadprivate(h) // expected-note {{defined as threadprivate or thread local}}
namespace A {
double x;
#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
}
namespace B {
using A::x;
}
int main(int argc, char **argv) {
const int d = 5;
const int da[5] = {0};
S4 e(4);
S5 g(5);
int i;
int &j = i;
#pragma omp target teams firstprivate // expected-error {{expected '(' after 'firstprivate'}}
foo();
#pragma omp target teams firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
foo();
#pragma omp target teams firstprivate() // expected-error {{expected expression}}
foo();
#pragma omp target teams firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
foo();
#pragma omp target teams firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
foo();
#pragma omp target teams firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
foo();
#pragma omp target teams firstprivate(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 '('}}
foo();
#pragma omp target teams firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
foo();
#pragma omp target teams firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}}
foo();
#pragma omp target teams firstprivate(argv[1]) // expected-error {{expected variable name}}
foo();
#pragma omp target teams allocate(omp_thread_mem_alloc: ba) firstprivate(ba) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'target teams' directive}}
foo();
#pragma omp target teams firstprivate(ca)
foo();
#pragma omp target teams firstprivate(da)
foo();
#pragma omp target teams firstprivate(S2::S2s)
foo();
#pragma omp target teams firstprivate(S2::S2sc)
foo();
#pragma omp target teams firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
foo();
#pragma omp target teams firstprivate(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be firstprivate}}
foo();
#pragma omp target teams private(i), firstprivate(i) // expected-error {{private variable cannot be firstprivate}} expected-note{{defined as private}}
foo();
#pragma omp target teams shared(i)
foo();
#pragma omp target teams firstprivate(i)
foo();
#pragma omp target teams firstprivate(j)
foo();
static int m;
#pragma omp target teams firstprivate(m) // OK
foo();
return 0;
}