84 lines · cpp
1// RUN: %clang_cc1 -verify -fopenmp -std=c++11 -o - %s -Wuninitialized2 3// RUN: %clang_cc1 -verify -fopenmp-simd -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 target teams8 argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}9}10 11void foo() {12}13 14#pragma omp target teams // expected-error {{unexpected OpenMP directive '#pragma omp target teams'}}15 16int main(int argc, char **argv) {17#pragma omp target teams { // expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}18 foo();19#pragma omp target teams ( // expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}20 foo();21#pragma omp target teams [ // expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}22 foo();23#pragma omp target teams ] // expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}24 foo();25#pragma omp target teams ) // expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}26 foo();27#pragma omp target teams } // expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}28 foo();29#pragma omp target teams30 foo();31#pragma omp target teams unknown() // expected-warning {{extra tokens at the end of '#pragma omp target teams' are ignored}}32 foo();33 L1:34 foo();35#pragma omp target teams36 ;37#pragma omp target teams38 {39 goto L1; // expected-error {{use of undeclared label 'L1'}}40 argc++;41 }42 43 for (int i = 0; i < 10; ++i) {44 switch(argc) {45 case (0):46 #pragma omp target teams47 {48 foo();49 break; // expected-error {{'break' statement not in loop or switch statement}}50 continue; // expected-error {{'continue' statement not in loop statement}}51 }52 default:53 break;54 }55 }56#pragma omp target teams default(none) // expected-note {{explicit data sharing attribute requested here}}57 ++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}58 59#pragma omp target teams default(none) // expected-note {{explicit data sharing attribute requested here}}60#pragma omp parallel num_threads(argc) // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}61 ;62 63#pragma omp target teams default(none) // expected-note {{explicit data sharing attribute requested here}}64 {65#pragma omp parallel num_threads(argc) // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}66 ;67 }68 69 goto L2; // expected-error {{use of undeclared label 'L2'}}70#pragma omp target teams71 L2:72 foo();73#pragma omp target teams74 {75 return 1; // expected-error {{cannot return from OpenMP region}}76 }77 78 [[]] // expected-error {{an attribute list cannot appear here}}79#pragma omp target teams80 for (int n = 0; n < 100; ++n) {}81 82 return 0;83}84