parallel_for_messages.cpp
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// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized
// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized
// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized
// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized
void xxx(int argc) {
int x; // expected-note {{initialize the variable 'x' to silence this warning}}
#pragma omp parallel for
for(int i = 0; i < 10; ++i)
argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
}
void foo() {
}
#pragma omp parallel for // expected-error {{unexpected OpenMP directive '#pragma omp parallel for'}}
int main(int argc, char **argv) {
#pragma omp parallel for { // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}
for (int i = 0; i < argc; ++i)
foo();
#pragma omp parallel for ( // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}
for (int i = 0; i < argc; ++i)
foo();
#pragma omp parallel for[ // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}
for (int i = 0; i < argc; ++i)
foo();
#pragma omp parallel for] // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}
for (int i = 0; i < argc; ++i)
foo();
#pragma omp parallel for) // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}
for (int i = 0; i < argc; ++i)
foo();
#pragma omp parallel for } // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}
for (int i = 0; i < argc; ++i)
foo();
#pragma omp parallel for
for (int i = 0; i < argc; ++i)
foo();
// expected-warning@+1 {{extra tokens at the end of '#pragma omp parallel for' are ignored}}
#pragma omp parallel for unknown()
for (int i = 0; i < argc; ++i)
foo();
L1:
for (int i = 0; i < argc; ++i)
foo();
#pragma omp parallel for
for (int i = 0; i < argc; ++i)
foo();
#pragma omp parallel for
for (int i = 0; i < argc; ++i) {
goto L1; // expected-error {{use of undeclared label 'L1'}}
argc++;
}
for (int i = 0; i < 10; ++i) {
switch (argc) {
case (0):
#pragma omp parallel for
for (int i = 0; i < argc; ++i) {
foo();
break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
continue;
}
default:
break;
}
}
#pragma omp parallel for default(none) // expected-note {{explicit data sharing attribute requested here}}
for (int i = 0; i < 10; ++i)
++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}
goto L2; // expected-error {{use of undeclared label 'L2'}}
#pragma omp parallel for
for (int i = 0; i < argc; ++i)
L2:
foo();
#pragma omp parallel for
for (int i = 0; i < argc; ++i) {
return 1; // expected-error {{cannot return from OpenMP region}}
}
[[]] // expected-error {{an attribute list cannot appear here}}
#pragma omp parallel for
for (int n = 0; n < 100; ++n) {
}
return 0;
}
void test_ordered() {
#pragma omp parallel for ordered ordered // expected-error {{directive '#pragma omp parallel for' cannot contain more than one 'ordered' clause}}
for (int i = 0; i < 16; ++i)
;
#pragma omp parallel for order // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp parallel for'}} expected-error {{expected '(' after 'order'}}
for (int i = 0; i < 10; ++i)
;
#pragma omp parallel for order( // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp parallel for'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}}
for (int i = 0; i < 10; ++i)
;
#pragma omp parallel for order(none // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp parallel for'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}}
for (int i = 0; i < 10; ++i)
;
#pragma omp parallel for order(concurrent // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp parallel for'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
for (int i = 0; i < 10; ++i)
;
#pragma omp parallel for order(concurrent) // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp parallel for'}}
for (int i = 0; i < 10; ++i)
;
}