96 lines · cpp
1// RUN: %clang_cc1 -verify -fopenmp -std=c++11 -o - %s -Wuninitialized2// RUN: not %clang_cc1 -fopenmp -std=c++11 -fopenmp-targets=aaa-bbb-ccc-ddd -o - %s 2>&1 | FileCheck %s3 4// RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 -o - %s -Wuninitialized5// CHECK: error: OpenMP target is invalid: 'aaa-bbb-ccc-ddd'6 7void xxx(int argc) {8 int x; // expected-note {{initialize the variable 'x' to silence this warning}}9#pragma omp target parallel10 argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}11}12 13void foo() {14}15 16static int pvt;17#pragma omp threadprivate(pvt)18 19#pragma omp target parallel // expected-error {{unexpected OpenMP directive '#pragma omp target parallel'}}20 21int main(int argc, char **argv) {22 #pragma omp target parallel { // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}23 foo();24 #pragma omp target parallel ( // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}25 foo();26 #pragma omp target parallel [ // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}27 foo();28 #pragma omp target parallel ] // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}29 foo();30 #pragma omp target parallel ) // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}31 foo();32 #pragma omp target parallel } // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}33 foo();34 #pragma omp target parallel35 foo();36 // expected-warning@+1 {{extra tokens at the end of '#pragma omp target parallel' are ignored}}37 #pragma omp target parallel unknown()38 foo();39 L1:40 foo();41 #pragma omp target parallel42 ;43 #pragma omp target parallel44 {45 goto L1; // expected-error {{use of undeclared label 'L1'}}46 argc++;47 }48 49 for (int i = 0; i < 10; ++i) {50 switch(argc) {51 case (0):52 #pragma omp target parallel53 {54 foo();55 break; // expected-error {{'break' statement not in loop or switch statement}}56 continue; // expected-error {{'continue' statement not in loop statement}}57 }58 default:59 break;60 }61 }62 63 goto L2; // expected-error {{use of undeclared label 'L2'}}64 #pragma omp target parallel65 L2:66 foo();67 #pragma omp target parallel68 {69 return 1; // expected-error {{cannot return from OpenMP region}}70 }71 72 [[]] // expected-error {{an attribute list cannot appear here}}73 #pragma omp target parallel74 for (int n = 0; n < 100; ++n) {}75 76 #pragma omp target parallel copyin(pvt) // expected-error {{unexpected OpenMP clause 'copyin' in directive '#pragma omp target parallel'}}77 foo();78 79 #pragma omp target parallel80 {81#pragma omp cancel // expected-error {{one of 'for', 'parallel', 'sections' or 'taskgroup' is expected}}82#pragma omp cancellation point // expected-error {{one of 'for', 'parallel', 'sections' or 'taskgroup' is expected}}83#pragma omp cancel for // expected-error {{region cannot be closely nested inside 'target parallel' region}}84#pragma omp cancellation point for // expected-error {{region cannot be closely nested inside 'target parallel' region}}85#pragma omp cancel sections // expected-error {{region cannot be closely nested inside 'target parallel' region}}86#pragma omp cancellation point sections // expected-error {{region cannot be closely nested inside 'target parallel' region}}87#pragma omp cancel taskgroup // expected-error {{region cannot be closely nested inside 'target parallel' region}}88#pragma omp cancellation point taskgroup // expected-error {{region cannot be closely nested inside 'target parallel' region}}89#pragma omp cancel parallel90#pragma omp cancellation point parallel91 }92 93 return 0;94}95 96