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llvm-project/clang/test/OpenMP/target_parallel_map_messages.cpp
Kelvin Li ad9ecbab42 [OpenMP] Allow negative lower bound in array sections based on pointers 
OpenMP 4.5 removed the restriction that array section lower bound must be non negative.
This change is to allow negative values for array section based on pointers.
For array section based on array type there is still a restriction: "The array section must be a subset of the original array."

Patch by David S.

Differential Revision: https://reviews.llvm.org/D22481

llvm-svn: 276177
2016-07-20 20:45:29 +00:00

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// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s
void foo() {
}
bool foobool(int argc) {
return argc;
}
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; // expected-note 4 {{mappable type cannot contain static members}}
static const float S2sc; // expected-note 4 {{mappable type cannot contain static members}}
};
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 map // expected-error {{expected '(' after 'map'}}
foo();
#pragma omp target parallel map( // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected expression}}
foo();
#pragma omp target parallel map() // expected-error {{expected expression}}
foo();
#pragma omp target parallel map(alloc) // expected-error {{use of undeclared identifier 'alloc'}}
foo();
#pragma omp target parallel map(to argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected ',' or ')' in 'map' clause}}
foo();
#pragma omp target parallel map(to:) // expected-error {{expected expression}}
foo();
#pragma omp target parallel map(from: argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
foo();
#pragma omp target parallel map(x: y) // expected-error {{incorrect map type, expected one of 'to', 'from', 'tofrom', 'alloc', 'release', or 'delete'}}
foo();
#pragma omp target parallel map(l[-1:]) // expected-error 2 {{array section must be a subset of the original array}}
foo();
#pragma omp target parallel map(l[:-1]) // expected-error 2 {{section length is evaluated to a negative value -1}}
foo();
#pragma omp target parallel map(x)
foo();
#pragma omp target parallel map(tofrom: t[:I])
foo();
#pragma omp target parallel 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}}
foo();
#pragma omp target parallel map(T) // expected-error {{'T' does not refer to a value}}
foo();
#pragma omp target parallel map(I) // expected-error 2 {{expected expression containing only member accesses and/or array sections based on named variables}}
foo();
#pragma omp target parallel map(S2::S2s)
foo();
#pragma omp target parallel map(S2::S2sc)
foo();
#pragma omp target parallel map(x)
foo();
#pragma omp target parallel map(to: x)
foo();
#pragma omp target parallel map(to: to)
foo();
#pragma omp target parallel map(to)
foo();
#pragma omp target parallel map(to, x)
foo();
#pragma omp target parallel map(to x) // expected-error {{expected ',' or ')' in 'map' clause}}
foo();
#pragma omp target parallel map(tofrom: argc > 0 ? x : y) // expected-error 2 {{expected expression containing only member accesses and/or array sections based on named variables}}
foo();
#pragma omp target parallel map(argc)
foo();
#pragma omp target parallel map(S1) // expected-error {{'S1' does not refer to a value}}
foo();
#pragma omp target parallel map(a, b, c, d, f) // expected-error {{incomplete type 'S1' where a complete type is required}} expected-error 2 {{type 'S2' is not mappable to target}}
foo();
#pragma omp target parallel map(ba) // expected-error 2 {{type 'S2' is not mappable to target}}
foo();
#pragma omp target parallel map(ca)
foo();
#pragma omp target parallel map(da)
foo();
#pragma omp target parallel map(S2::S2s)
foo();
#pragma omp target parallel map(S2::S2sc)
foo();
#pragma omp target parallel map(e, g)
foo();
#pragma omp target parallel map(h) // expected-error {{threadprivate variables are not allowed in 'map' clause}}
foo();
#pragma omp target parallel map(k), map(k) // expected-error 2 {{variable already marked as mapped in current construct}} expected-note 2 {{used here}}
foo();
#pragma omp target parallel map(k), map(k[:5]) // expected-error 2 {{pointer cannot be mapped along with a section derived from itself}} expected-note 2 {{used here}}
foo();
#pragma omp target parallel map(da)
foo();
#pragma omp target parallel map(da[:4])
foo();
#pragma omp target data map(k, j, l) // expected-note 2 {{used here}}
#pragma omp target parallel map(k[:4]) // expected-error 2 {{pointer cannot be mapped along with a section derived from itself}}
foo();
#pragma omp target parallel map(j)
foo();
#pragma omp target parallel map(l) map(l[:5]) // expected-error 2 {{variable already marked as mapped in current construct}} expected-note 2 {{used here}}
foo();
#pragma omp target data map(k[:4], j, l[:5]) // expected-note 2 {{used here}}
{
#pragma omp target parallel map(k) // expected-error 2 {{pointer cannot be mapped along with a section derived from itself}}
foo();
#pragma omp target parallel map(j)
foo();
#pragma omp target parallel map(l)
foo();
}
#pragma omp target parallel map(always, tofrom: x)
foo();
#pragma omp target parallel map(always: x) // expected-error {{missing map type}}
foo();
#pragma omp target parallel map(tofrom, always: x) // expected-error {{incorrect map type modifier, expected 'always'}} expected-error {{incorrect map type, expected one of 'to', 'from', 'tofrom', 'alloc', 'release', or 'delete'}}
foo();
#pragma omp target parallel map(always, tofrom: always, tofrom, x)
foo();
#pragma omp target parallel map(tofrom j) // expected-error {{expected ',' or ')' in 'map' clause}}
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 map // expected-error {{expected '(' after 'map'}}
foo();
#pragma omp target parallel map( // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected expression}}
foo();
#pragma omp target parallel map() // expected-error {{expected expression}}
foo();
#pragma omp target parallel map(alloc) // expected-error {{use of undeclared identifier 'alloc'}}
foo();
#pragma omp target parallel map(to argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected ',' or ')' in 'map' clause}}
foo();
#pragma omp target parallel map(to:) // expected-error {{expected expression}}
foo();
#pragma omp target parallel map(from: argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
foo();
#pragma omp target parallel map(x: y) // expected-error {{incorrect map type, expected one of 'to', 'from', 'tofrom', 'alloc', 'release', or 'delete'}}
foo();
#pragma omp target parallel map(l[-1:]) // expected-error {{array section must be a subset of the original array}}
foo();
#pragma omp target parallel map(l[:-1]) // expected-error {{section length is evaluated to a negative value -1}}
foo();
#pragma omp target parallel map(x)
foo();
#pragma omp target parallel map(to: x)
foo();
#pragma omp target parallel map(to: to)
foo();
#pragma omp target parallel map(to)
foo();
#pragma omp target parallel map(to, x)
foo();
#pragma omp target parallel map(to x) // expected-error {{expected ',' or ')' in 'map' clause}}
foo();
#pragma omp target parallel map(tofrom: argc > 0 ? argv[1] : argv[2]) // expected-error {{expected expression containing only member accesses and/or array sections based on named variables}}
foo();
#pragma omp target parallel map(argc)
foo();
#pragma omp target parallel map(S1) // expected-error {{'S1' does not refer to a value}}
foo();
#pragma omp target parallel map(a, b, c, d, f) // expected-error {{incomplete type 'S1' where a complete type is required}} expected-error 2 {{type 'S2' is not mappable to target}}
foo();
#pragma omp target parallel map(argv[1])
foo();
#pragma omp target parallel map(ba) // expected-error 2 {{type 'S2' is not mappable to target}}
foo();
#pragma omp target parallel map(ca)
foo();
#pragma omp target parallel map(da)
foo();
#pragma omp target parallel map(S2::S2s)
foo();
#pragma omp target parallel map(S2::S2sc)
foo();
#pragma omp target parallel map(e, g)
foo();
#pragma omp target parallel map(h) // expected-error {{threadprivate variables are not allowed in 'map' clause}}
foo();
#pragma omp target parallel map(k), map(k) // expected-error {{variable already marked as mapped in current construct}} expected-note {{used here}}
foo();
#pragma omp target parallel map(k), map(k[:5]) // expected-error {{pointer cannot be mapped along with a section derived from itself}} expected-note {{used here}}
foo();
#pragma omp target parallel map(da)
foo();
#pragma omp target parallel map(da[:4])
foo();
#pragma omp target data map(k, j, l) // expected-note {{used here}}
#pragma omp target parallel map(k[:4]) // expected-error {{pointer cannot be mapped along with a section derived from itself}}
foo();
#pragma omp target parallel map(j)
foo();
#pragma omp target parallel map(l) map(l[:5]) // expected-error 1 {{variable already marked as mapped in current construct}} expected-note 1 {{used here}}
foo();
#pragma omp target data map(k[:4], j, l[:5]) // expected-note 1 {{used here}}
{
#pragma omp target parallel map(k) // expected-error {{pointer cannot be mapped along with a section derived from itself}}
foo();
#pragma omp target parallel map(j)
foo();
#pragma omp target parallel map(l)
foo();
}
#pragma omp target parallel map(always, tofrom: x)
foo();
#pragma omp target parallel map(always: x) // expected-error {{missing map type}}
foo();
#pragma omp target parallel map(tofrom, always: x) // expected-error {{incorrect map type modifier, expected 'always'}} expected-error {{incorrect map type, expected one of 'to', 'from', 'tofrom', 'alloc', 'release', or 'delete'}}
foo();
#pragma omp target parallel map(always, tofrom: always, tofrom, x)
foo();
#pragma omp target parallel map(tofrom j) // expected-error {{expected ',' or ')' in 'map' clause}}
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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