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