1 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 -o - %s -Wuninitialized 2 // RUN: not %clang_cc1 -fopenmp -std=c++11 -fopenmp-targets=aaa-bbb-ccc-ddd -o - %s 2>&1 | FileCheck %s 3 4 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 -o - %s -Wuninitialized 5 // CHECK: error: OpenMP target is invalid: 'aaa-bbb-ccc-ddd' 6 xxx(int argc)7void xxx(int argc) { 8 int x; // expected-note {{initialize the variable 'x' to silence this warning}} 9 #pragma omp target parallel 10 argc = x; // expected-warning {{variable 'x' is uninitialized when used here}} 11 } 12 foo()13void foo() { 14 } 15 16 static int pvt; 17 #pragma omp threadprivate(pvt) 18 19 #pragma omp target parallel // expected-error {{unexpected OpenMP directive '#pragma omp target parallel'}} 20 main(int argc,char ** argv)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 parallel 35 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 parallel 42 ; 43 #pragma omp target parallel 44 { 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 parallel 53 { 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 parallel 65 L2: 66 foo(); 67 #pragma omp target parallel 68 { 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 parallel 74 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 parallel 80 { 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 parallel 90 #pragma omp cancellation point parallel 91 } 92 93 return 0; 94 } 95 96