1 // RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized 2 3 // RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized 4 xxx(int argc)5void xxx(int argc) { 6 int x; // expected-note {{initialize the variable 'x' to silence this warning}} 7 #pragma omp parallel sections 8 { 9 argc = x; // expected-warning {{variable 'x' is uninitialized when used here}} 10 } 11 } 12 foo()13void foo() { 14 } 15 16 #pragma omp parallel sections // expected-error {{unexpected OpenMP directive '#pragma omp parallel sections'}} 17 main(int argc,char ** argv)18int main(int argc, char **argv) { 19 #pragma omp parallel sections {// expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}} 20 { 21 foo(); 22 } 23 #pragma omp parallel sections( // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}} 24 { 25 foo(); 26 } 27 #pragma omp parallel sections[ // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}} 28 { 29 foo(); 30 } 31 #pragma omp parallel sections] // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}} 32 { 33 foo(); 34 } 35 #pragma omp parallel sections) // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}} 36 { 37 foo(); 38 } 39 #pragma omp parallel sections } // expected-warning {{extra tokens at the end of '#pragma omp parallel sections' are ignored}} 40 { 41 foo(); 42 } 43 // expected-warning@+1 {{extra tokens at the end of '#pragma omp parallel sections' are ignored}} 44 #pragma omp parallel sections unknown() 45 { 46 foo(); 47 #pragma omp section 48 L1: 49 foo(); 50 } 51 #pragma omp parallel sections 52 { 53 ; 54 } 55 #pragma omp parallel sections 56 { 57 goto L1; // expected-error {{use of undeclared label 'L1'}} 58 } 59 60 for (int i = 0; i < 10; ++i) { 61 switch (argc) { 62 case (0): 63 #pragma omp parallel sections 64 { 65 foo(); 66 break; // expected-error {{'break' statement not in loop or switch statement}} 67 continue; // expected-error {{'continue' statement not in loop statement}} 68 } 69 default: 70 break; 71 } 72 } 73 #pragma omp parallel sections default(none) // expected-note {{explicit data sharing attribute requested here}} 74 { 75 ++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}} 76 } 77 78 goto L2; // expected-error {{use of undeclared label 'L2'}} 79 #pragma omp parallel sections 80 { 81 L2: 82 foo(); 83 } 84 #pragma omp parallel sections 85 { 86 return 1; // expected-error {{cannot return from OpenMP region}} 87 } 88 89 [[]] // expected-error {{an attribute list cannot appear here}} 90 #pragma omp parallel sections 91 { 92 } 93 94 return 0; 95 } 96