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clang-p2996/clang/test/OpenMP/target_parallel_for_map_messages.cpp
Alexey Bataev 60d71a286b [OPENMP50]Allow overlapping mapping in target constructs. 
OpenMP 5.0 removed a lot of restriction for overlapped mapped items
comparing to OpenMP 4.5. Patch restricts the checks for overlapped data
mappings only for OpenMP 4.5 and less and reorders mapping of the
arguments so, that present and alloc mappings are processed first and
then all others.

Differential Revision: https://reviews.llvm.org/D86119
2021-02-16 14:42:08 -08:00

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// RUN: %clang_cc1 -verify=expected,lt50,lt51 -fopenmp -fopenmp-version=45 -ferror-limit 100 %s -Wno-openmp-mapping -Wuninitialized
// RUN: %clang_cc1 -verify=expected,ge50,lt51 -fopenmp -fopenmp-version=50 -ferror-limit 100 %s -Wno-openmp-mapping -Wuninitialized
// RUN: %clang_cc1 -verify=expected,ge50,ge51 -fopenmp -fopenmp-version=51 -ferror-limit 100 %s -Wno-openmp-mapping -Wuninitialized
// RUN: %clang_cc1 -verify=expected,lt50,lt51 -fopenmp-simd -fopenmp-version=45 -ferror-limit 100 %s -Wno-openmp-mapping -Wuninitialized
// RUN: %clang_cc1 -verify=expected,ge50,lt51 -fopenmp-simd -fopenmp-version=50 -ferror-limit 100 %s -Wno-openmp-mapping -Wuninitialized
// RUN: %clang_cc1 -verify=expected,ge50,ge51 -fopenmp-simd -fopenmp-version=51 -ferror-limit 100 %s -Wno-openmp-mapping -Wuninitialized
void foo() {
}
bool foobool(int argc) {
return argc;
}
void xxx(int argc) {
int map; // expected-note {{initialize the variable 'map' to silence this warning}}
#pragma omp target parallel for map(tofrom: map) // expected-warning {{variable 'map' is uninitialized when used here}}
for (int i = 0; i < 10; ++i)
;
}
struct S1; // expected-note 2 {{declared here}}
extern S1 a;
class S2 {
mutable int a;
public:
S2():a(0) { }
S2(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(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);
public:
S4(int v):a(v) { }
};
class S5 {
int a;
S5():a(0) {}
S5(const S5 &s5):a(s5.a) { }
public:
S5(int v):a(v) { }
};
S3 h;
#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
typedef int from;
template <typename T, int I> // expected-note {{declared here}}
T tmain(T argc) {
const T d = 5;
const T da[5] = { 0 };
S4 e(4);
S5 g(5);
T i, t[20];
T &j = i;
T *k = &j;
T x;
T y;
T to, tofrom, always;
const T (&l)[5] = da;
#pragma omp target parallel for map // expected-error {{expected '(' after 'map'}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map( // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected expression}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map() // expected-error {{expected expression}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(alloc) // expected-error {{use of undeclared identifier 'alloc'}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(to argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected ',' or ')' in 'map' clause}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(to:) // expected-error {{expected expression}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(from: argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(x: y) // expected-error {{incorrect map type, expected one of 'to', 'from', 'tofrom', 'alloc', 'release', or 'delete'}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(l[-1:]) // expected-error 2 {{array section must be a subset of the original array}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(l[:-1]) // expected-error 2 {{section length is evaluated to a negative value -1}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(l[true:true])
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(tofrom: t[:I])
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(T: a) // expected-error {{incorrect map type, expected one of 'to', 'from', 'tofrom', 'alloc', 'release', or 'delete'}} expected-error {{incomplete type 'S1' where a complete type is required}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(T) // expected-error {{'T' does not refer to a value}}
for (i = 0; i < argc; ++i) foo();
// ge50-error@+2 2 {{expected addressable lvalue in 'map' clause}}
// lt50-error@+1 2 {{expected expression containing only member accesses and/or array sections based on named variables}}
#pragma omp target parallel for map(I)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(S2::S2s)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(S2::S2sc)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(to: x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(to: to)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(to)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(to, x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(to x) // expected-error {{expected ',' or ')' in 'map' clause}}
for (i = 0; i < argc; ++i) foo();
// ge50-error@+3 2 {{expected addressable lvalue in 'map' clause}}
// lt50-error@+2 2 {{expected expression containing only member accesses and/or array sections based on named variables}}
#pragma omp target parallel for map(tofrom \
: argc > 0 ? x : y)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(argc)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(S1) // expected-error {{'S1' does not refer to a value}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(a, b, c, d, f) // expected-error {{incomplete type 'S1' where a complete type is required}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(ba)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(ca)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(da)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(S2::S2s)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(S2::S2sc)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(e, g)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(h) // expected-error {{threadprivate variables are not allowed in 'map' clause}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(k), map(k) // lt50-error 2 {{variable already marked as mapped in current construct}} lt50-note 2 {{used here}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(k), map(k[:5]) // lt50-error 2 {{pointer cannot be mapped along with a section derived from itself}} lt50-note 2 {{used here}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(da)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(da[:4])
for (i = 0; i < argc; ++i) foo();
#pragma omp target data map(k, j, l) // lt50-note 2 {{used here}}
#pragma omp target parallel for map(k[:4]) // lt50-error 2 {{pointer cannot be mapped along with a section derived from itself}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(j)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(l) map(l[:5]) // lt50-error 2 {{variable already marked as mapped in current construct}} lt50-note 2 {{used here}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target data map(k[:4], j, l[:5]) // lt50-note 2 {{used here}}
{
#pragma omp target parallel for map(k) // lt50-error 2 {{pointer cannot be mapped along with a section derived from itself}}
for (i = 0; i < argc; ++i)
foo();
#pragma omp target parallel for map(j)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(l)
for (i = 0; i < argc; ++i) foo();
}
#pragma omp target parallel for map(always, tofrom: x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(always: x) // expected-error {{missing map type}}
for (i = 0; i < argc; ++i) foo();
// ge51-error@+3 {{incorrect map type modifier, expected 'always', 'close', 'mapper', or 'present'}}
// lt51-error@+2 {{incorrect map type modifier, expected 'always', 'close', or 'mapper'}}
// expected-error@+1 {{missing map type}}
#pragma omp target parallel for map(tofrom, always: x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(always, tofrom: always, tofrom, x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(tofrom j) // expected-error {{expected ',' or ')' in 'map' clause}}
for (i = 0; i < argc; ++i) foo();
return 0;
}
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;
int *k = &j;
int x;
int y;
int to, tofrom, always;
const int (&l)[5] = da;
#pragma omp target parallel for map // expected-error {{expected '(' after 'map'}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map( // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected expression}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map() // expected-error {{expected expression}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(alloc) // expected-error {{use of undeclared identifier 'alloc'}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(to argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected ',' or ')' in 'map' clause}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(to:) // expected-error {{expected expression}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(from: argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(x: y) // expected-error {{incorrect map type, expected one of 'to', 'from', 'tofrom', 'alloc', 'release', or 'delete'}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(l[-1:]) // expected-error {{array section must be a subset of the original array}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(l[:-1]) // expected-error {{section length is evaluated to a negative value -1}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(l[true:true])
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(to: x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(to: to)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(to)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(to, x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(to x) // expected-error {{expected ',' or ')' in 'map' clause}}
for (i = 0; i < argc; ++i)
foo();
// ge50-error@+3 {{expected addressable lvalue in 'map' clause}}
// lt50-error@+2 {{expected expression containing only member accesses and/or array sections based on named variables}}
#pragma omp target parallel for map(tofrom \
: argc > 0 ? argv[1] : argv[2])
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(argc)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(S1) // expected-error {{'S1' does not refer to a value}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(a, b, c, d, f) // expected-error {{incomplete type 'S1' where a complete type is required}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(argv[1])
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(ba)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(ca)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(da)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(S2::S2s)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(S2::S2sc)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(e, g)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(h) // expected-error {{threadprivate variables are not allowed in 'map' clause}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(k), map(k) // lt50-error {{variable already marked as mapped in current construct}} lt50-note {{used here}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(k), map(k[:5]) // lt50-error {{pointer cannot be mapped along with a section derived from itself}} lt50-note {{used here}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(da)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(da[:4])
for (i = 0; i < argc; ++i) foo();
#pragma omp target data map(k, j, l) // lt50-note {{used here}}
#pragma omp target parallel for map(k[:4]) // lt50-error {{pointer cannot be mapped along with a section derived from itself}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(j)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(l) map(l[:5]) // lt50-error 1 {{variable already marked as mapped in current construct}} lt50-note 1 {{used here}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target data map(k[:4], j, l[:5]) // lt50-note {{used here}}
{
#pragma omp target parallel for map(k) // lt50-error {{pointer cannot be mapped along with a section derived from itself}}
for (i = 0; i < argc; ++i)
foo();
#pragma omp target parallel for map(j)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(l)
for (i = 0; i < argc; ++i) foo();
}
#pragma omp target parallel for map(always, tofrom: x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(always: x) // expected-error {{missing map type}}
for (i = 0; i < argc; ++i) foo();
// ge51-error@+3 {{incorrect map type modifier, expected 'always', 'close', 'mapper', or 'present'}}
// lt51-error@+2 {{incorrect map type modifier, expected 'always', 'close', or 'mapper'}}
// expected-error@+1 {{missing map type}}
#pragma omp target parallel for map(tofrom, always: x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(always, tofrom: always, tofrom, x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(tofrom j) // expected-error {{expected ',' or ')' in 'map' clause}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target parallel for map(delete: j) // expected-error {{map type 'delete' is not allowed for '#pragma omp target parallel for'}}
for (i = 0; i < argc; ++i)
foo();
#pragma omp target parallel for map(release: j) // expected-error {{map type 'release' is not allowed for '#pragma omp target parallel for'}}
for (i = 0; i < argc; ++i)
foo();
return tmain<int, 3>(argc)+tmain<from, 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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