96 lines · cpp
1// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized2 3// RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized4 5void xxx(int argc) {6 int x; // expected-note {{initialize the variable 'x' to silence this warning}}7#pragma omp parallel sections8{9 argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}10}11}12 13void foo() {14}15 16#pragma omp parallel sections // expected-error {{unexpected OpenMP directive '#pragma omp parallel sections'}}17 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 section48 L1:49 foo();50 }51#pragma omp parallel sections52 {53 ;54 }55#pragma omp parallel sections56 {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 sections64 {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 sections80 {81 L2:82 foo();83 }84#pragma omp parallel sections85 {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 sections91 {92 }93 94 return 0;95}96