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clang-p2996/clang/test/OpenMP/target_teams_distribute_map_messages.cpp
Alexey Bataev 94a170f811 [OPENMP][Analysis] Add analysis of the map clauses. 
Summary:
Added basic analysis of map clauses. Only map clauses with to and tofrom
map type must be analyzed since all other map types (alloc, delete, etc.) do not require to use the value of the initial variable, instead they create the new copy of the variable.

Reviewers: NoQ

Subscribers: guansong, cfe-commits, kkwli0, caomhin

Tags: #clang

Differential Revision: https://reviews.llvm.org/D66668

llvm-svn: 370214
2019-08-28 14:55:08 +00:00

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// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s -Wno-openmp-target -Wuninitialized
// RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 %s -Wno-openmp-target -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 teams distribute map(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 teams distribute map // expected-error {{expected '(' after 'map'}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map( // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected expression}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map() // expected-error {{expected expression}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(alloc) // expected-error {{use of undeclared identifier 'alloc'}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute 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 teams distribute map(to:) // expected-error {{expected expression}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute 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 teams distribute 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 teams distribute 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 teams distribute 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 teams distribute map(l[true:true])
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(tofrom: t[:I])
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute 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 teams distribute map(T) // expected-error {{'T' does not refer to a value}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(I) // expected-error 2 {{expected expression containing only member accesses and/or array sections based on named variables}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(S2::S2s)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(S2::S2sc)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(to: x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(to: to)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(to)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(to, x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(to x) // expected-error {{expected ',' or ')' in 'map' clause}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(tofrom: argc > 0 ? x : y) // expected-error 2 {{expected expression containing only member accesses and/or array sections based on named variables}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(argc)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(S1) // expected-error {{'S1' does not refer to a value}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute 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 teams distribute map(ba)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(ca)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(da)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(S2::S2s)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(S2::S2sc)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(e, g)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(h) // expected-error {{threadprivate variables are not allowed in 'map' clause}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(k), map(k) // expected-error 2 {{variable already marked as mapped in current construct}} expected-note 2 {{used here}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(k), map(k[:5]) // expected-error 2 {{pointer cannot be mapped along with a section derived from itself}} expected-note 2 {{used here}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(da)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(da[:4])
for (i = 0; i < argc; ++i) foo();
#pragma omp target data map(k, j, l) // expected-note 2 {{used here}}
#pragma omp target teams distribute map(k[:4]) // expected-error 2 {{pointer cannot be mapped along with a section derived from itself}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(j)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(l) map(l[:5]) // expected-error 2 {{variable already marked as mapped in current construct}} expected-note 2 {{used here}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target data map(k[:4], j, l[:5]) // expected-note 2 {{used here}}
{
#pragma omp target teams distribute map(k) // expected-error 2 {{pointer cannot be mapped along with a section derived from itself}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(j)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(l)
for (i = 0; i < argc; ++i) foo();
}
#pragma omp target teams distribute map(always, tofrom: x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(always: x) // expected-error {{missing map type}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(tofrom, always: x) // expected-error {{incorrect map type modifier, expected 'always', 'close', or 'mapper'}} expected-error {{missing map type}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(always, tofrom: always, tofrom, x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute 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 teams distribute map // expected-error {{expected '(' after 'map'}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map( // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected expression}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map() // expected-error {{expected expression}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(alloc) // expected-error {{use of undeclared identifier 'alloc'}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute 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 teams distribute map(to:) // expected-error {{expected expression}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute 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 teams distribute 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 teams distribute 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 teams distribute map(l[:-1]) // expected-error {{section length is evaluated to a negative value -1}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(l[true:true])
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(to: x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(to: to)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(to)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(to, x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(to x) // expected-error {{expected ',' or ')' in 'map' clause}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(tofrom: argc > 0 ? argv[1] : argv[2]) // expected-error {{expected expression containing only member accesses and/or array sections based on named variables}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(argc)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(S1) // expected-error {{'S1' does not refer to a value}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute 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 teams distribute map(argv[1])
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(ba)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(ca)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(da)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(S2::S2s)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(S2::S2sc)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(e, g)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(h) // expected-error {{threadprivate variables are not allowed in 'map' clause}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(k), map(k) // expected-error {{variable already marked as mapped in current construct}} expected-note {{used here}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(k), map(k[:5]) // expected-error {{pointer cannot be mapped along with a section derived from itself}} expected-note {{used here}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(da)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(da[:4])
for (i = 0; i < argc; ++i) foo();
#pragma omp target data map(k, j, l) // expected-note {{used here}}
#pragma omp target teams distribute map(k[:4]) // expected-error {{pointer cannot be mapped along with a section derived from itself}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(j)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(l) map(l[:5]) // expected-error 1 {{variable already marked as mapped in current construct}} expected-note 1 {{used here}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target data map(k[:4], j, l[:5]) // expected-note {{used here}}
{
#pragma omp target teams distribute map(k) // expected-error {{pointer cannot be mapped along with a section derived from itself}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(j)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(l)
for (i = 0; i < argc; ++i) foo();
}
#pragma omp target teams distribute map(always, tofrom: x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(always: x) // expected-error {{missing map type}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(tofrom, always: x) // expected-error {{incorrect map type modifier, expected 'always', 'close', or 'mapper'}} expected-error {{missing map type}}
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(always, tofrom: always, tofrom, x)
for (i = 0; i < argc; ++i) foo();
#pragma omp target teams distribute map(tofrom j) // expected-error {{expected ',' or ')' in 'map' clause}}
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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