25569296c6
Summary: Firstprivate variables are the variables, for which the private copies must be created in the OpenMP regions and must be initialized with the original values. Thus, we must report if the uninitialized variable is used as firstprivate. Reviewers: NoQ Subscribers: guansong, jdoerfert, caomhin, kkwli0, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D64765 llvm-svn: 366689
272 lines
9.9 KiB
C++
272 lines
9.9 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
|
|
|
|
// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
|
|
|
|
extern int omp_default_mem_alloc;
|
|
void foo() {
|
|
}
|
|
|
|
bool foobool(int argc) {
|
|
return argc;
|
|
}
|
|
|
|
void xxx(int argc) {
|
|
int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
|
|
#pragma omp parallel for firstprivate(fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
|
|
for (int i = 0; i < 10; ++i)
|
|
;
|
|
}
|
|
|
|
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) {}
|
|
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;
|
|
S3 &operator=(const S3 &s3);
|
|
|
|
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 2 {{implicitly declared private here}}
|
|
|
|
public:
|
|
S4(int v) : a(v) {}
|
|
};
|
|
class S5 {
|
|
int a;
|
|
S5(const S5 &s5) : a(s5.a) {} // expected-note 4 {{implicitly declared private here}}
|
|
|
|
public:
|
|
S5() : a(0) {}
|
|
S5(int v) : a(v) {}
|
|
};
|
|
class S6 {
|
|
int a;
|
|
S6() : a(0) {}
|
|
|
|
public:
|
|
S6(const S6 &s6) : a(s6.a) {}
|
|
S6(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(int argc, char **argv) {
|
|
I e(4);
|
|
C g(5);
|
|
int i, z;
|
|
int &j = i;
|
|
#pragma omp parallel for firstprivate // expected-error {{expected '(' after 'firstprivate'}}
|
|
for (int k = 0; k < argc; ++k)
|
|
++k;
|
|
#pragma omp parallel for firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
|
|
for (int k = 0; k < argc; ++k)
|
|
++k;
|
|
#pragma omp parallel for firstprivate() // expected-error {{expected expression}}
|
|
for (int k = 0; k < argc; ++k)
|
|
++k;
|
|
#pragma omp parallel for firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
|
|
for (int k = 0; k < argc; ++k)
|
|
++k;
|
|
#pragma omp parallel for firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
|
|
for (int k = 0; k < argc; ++k)
|
|
++k;
|
|
#pragma omp parallel for firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
|
|
for (int k = 0; k < argc; ++k)
|
|
++k;
|
|
#pragma omp parallel for 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 '('}}
|
|
for (int k = 0; k < argc; ++k)
|
|
++k;
|
|
#pragma omp parallel for firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
|
|
for (int k = 0; k < argc; ++k)
|
|
++k;
|
|
#pragma omp parallel for firstprivate(z, a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}}
|
|
for (int k = 0; k < argc; ++k)
|
|
++k;
|
|
#pragma omp parallel for firstprivate(argv[1]) // expected-error {{expected variable name}}
|
|
for (int k = 0; k < argc; ++k)
|
|
++k;
|
|
#pragma omp parallel for firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
|
|
for (int k = 0; k < argc; ++k)
|
|
++k;
|
|
#pragma omp parallel for firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
|
|
for (int k = 0; k < argc; ++k)
|
|
++k;
|
|
#pragma omp parallel
|
|
{
|
|
int v = 0;
|
|
int i;
|
|
#pragma omp parallel for firstprivate(i)
|
|
for (int k = 0; k < argc; ++k) {
|
|
i = k;
|
|
v += i;
|
|
}
|
|
}
|
|
#pragma omp parallel shared(i)
|
|
#pragma omp parallel private(i)
|
|
#pragma omp parallel for firstprivate(j)
|
|
for (int k = 0; k < argc; ++k)
|
|
++k;
|
|
#pragma omp parallel for firstprivate(i)
|
|
for (int k = 0; k < argc; ++k)
|
|
++k;
|
|
#pragma omp parallel for lastprivate(g) firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel private(i)
|
|
#pragma omp parallel for firstprivate(i) // expected-note 2 {{defined as firstprivate}}
|
|
for (i = 0; i < argc; ++i) // expected-error 2 {{loop iteration variable in the associated loop of 'omp parallel for' directive may not be firstprivate, predetermined as private}}
|
|
foo();
|
|
#pragma omp parallel reduction(+ : i)
|
|
#pragma omp parallel for firstprivate(i) // expected-note 2 {{defined as firstprivate}}
|
|
for (i = 0; i < argc; ++i) // expected-error 2 {{loop iteration variable in the associated loop of 'omp parallel for' directive may not be firstprivate, predetermined as private}}
|
|
foo();
|
|
return 0;
|
|
}
|
|
|
|
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);
|
|
S3 m;
|
|
S6 n(2);
|
|
int i;
|
|
int &j = i;
|
|
#pragma omp parallel for firstprivate // expected-error {{expected '(' after 'firstprivate'}}
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate() // expected-error {{expected expression}}
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate(argc)
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}}
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate(argv[1]) // expected-error {{expected variable name}}
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate(2 * 2) // expected-error {{expected variable name}}
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate(ba) // OK
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate(ca) // OK
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate(da) // OK
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
int xa;
|
|
#pragma omp parallel for firstprivate(xa) // OK
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate(S2::S2s) // OK
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate(S2::S2sc) // OK
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for safelen(5) // expected-error {{unexpected OpenMP clause 'safelen' in directive '#pragma omp parallel for'}}
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate(m) // OK
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be firstprivate}}
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for private(xa), firstprivate(xa) // expected-error {{private variable cannot be firstprivate}} expected-note {{defined as private}}
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate(i) // expected-note {{defined as firstprivate}}
|
|
for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp parallel for' directive may not be firstprivate, predetermined as private}}
|
|
foo();
|
|
#pragma omp parallel shared(xa)
|
|
#pragma omp parallel for firstprivate(xa) // OK: may be firstprivate
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for firstprivate(j)
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for lastprivate(g) firstprivate(g) // expected-error {{calling a private constructor of class 'S5'}}
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel for lastprivate(n) firstprivate(n) // OK
|
|
for (i = 0; i < argc; ++i)
|
|
foo();
|
|
#pragma omp parallel
|
|
{
|
|
int v = 0;
|
|
int i;
|
|
#pragma omp parallel for firstprivate(i)
|
|
for (int k = 0; k < argc; ++k) {
|
|
i = k;
|
|
v += i;
|
|
}
|
|
}
|
|
#pragma omp parallel private(i)
|
|
#pragma omp parallel for firstprivate(i) // expected-note {{defined as firstprivate}}
|
|
for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp parallel for' directive may not be firstprivate, predetermined as private}}
|
|
foo();
|
|
#pragma omp parallel reduction(+ : i)
|
|
#pragma omp parallel for firstprivate(i) // expected-note {{defined as firstprivate}}
|
|
for (i = 0; i < argc; ++i) // expected-error {{loop iteration variable in the associated loop of 'omp parallel for' directive may not be firstprivate, predetermined as private}}
|
|
foo();
|
|
static int si;
|
|
#pragma omp parallel for firstprivate(si) // OK
|
|
for (i = 0; i < argc; ++i)
|
|
si = i + 1;
|
|
|
|
return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
|
|
}
|