forked from OSchip/llvm-project
96 lines
2.6 KiB
C++
96 lines
2.6 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify -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 sections
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{
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argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
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}
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}
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void foo() {
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}
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#pragma omp parallel sections // expected-error {{unexpected OpenMP directive '#pragma omp parallel sections'}}
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int main(int argc, char **argv) {
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#pragma omp parallel sections {// expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
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{
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foo();
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}
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#pragma omp parallel sections( // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
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{
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foo();
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}
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#pragma omp parallel sections[ // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
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{
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foo();
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}
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#pragma omp parallel sections] // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
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{
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foo();
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}
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#pragma omp parallel sections) // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
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{
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foo();
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}
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#pragma omp parallel sections } // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
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{
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foo();
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}
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// expected-warning@+1 {{extra tokens at the end of '#pragma omp parallel sections' are ignored}}
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#pragma omp parallel sections unknown()
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{
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foo();
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#pragma omp section
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L1:
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foo();
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}
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#pragma omp parallel sections
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{
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;
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}
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#pragma omp parallel sections
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{
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goto L1; // expected-error {{use of undeclared label 'L1'}}
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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 sections
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{
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foo();
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break; // expected-error {{'break' statement not in loop or switch statement}}
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continue; // expected-error {{'continue' statement not in loop statement}}
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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 sections default(none) // expected-note {{explicit data sharing attribute requested here}}
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{
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++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}
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}
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goto L2; // expected-error {{use of undeclared label 'L2'}}
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#pragma omp parallel sections
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{
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L2:
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foo();
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}
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#pragma omp parallel sections
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{
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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 sections
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{
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}
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return 0;
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}
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