1 // RUN: %clang_cc1 -verify -fopenmp -std=c++11 %s -Wuninitialized 2 3 // RUN: %clang_cc1 -verify -fopenmp-simd -std=c++11 %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 target teams distribute simd 8 for (int i = 0; i < 10; ++i) 9 argc = x; // expected-warning {{variable 'x' is uninitialized when used here}} 10 } 11 foo()12void foo() { 13 } 14 15 static int pvt; 16 #pragma omp threadprivate(pvt) 17 18 #pragma omp target teams distribute simd // expected-error {{unexpected OpenMP directive '#pragma omp target teams distribute simd'}} 19 main(int argc,char ** argv)20int main(int argc, char **argv) { 21 #pragma omp target teams distribute simd { // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}} 22 for (int i = 0; i < argc; ++i) 23 foo(); 24 #pragma omp target teams distribute simd ( // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}} 25 for (int i = 0; i < argc; ++i) 26 foo(); 27 #pragma omp target teams distribute simd[ // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}} 28 for (int i = 0; i < argc; ++i) 29 foo(); 30 #pragma omp target teams distribute simd] // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}} 31 for (int i = 0; i < argc; ++i) 32 foo(); 33 #pragma omp target teams distribute simd) // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}} 34 for (int i = 0; i < argc; ++i) 35 foo(); 36 #pragma omp target teams distribute simd } // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}} 37 for (int i = 0; i < argc; ++i) 38 foo(); 39 #pragma omp target teams distribute simd 40 for (int i = 0; i < argc; ++i) 41 foo(); 42 // expected-warning@+1 {{extra tokens at the end of '#pragma omp target teams distribute simd' are ignored}} 43 #pragma omp target teams distribute simd unknown() 44 for (int i = 0; i < argc; ++i) 45 foo(); 46 L1: 47 for (int i = 0; i < argc; ++i) 48 foo(); 49 #pragma omp target teams distribute simd 50 for (int i = 0; i < argc; ++i) 51 foo(); 52 #pragma omp target teams distribute simd 53 for (int i = 0; i < argc; ++i) { 54 goto L1; // expected-error {{use of undeclared label 'L1'}} 55 argc++; 56 } 57 58 for (int i = 0; i < 10; ++i) { 59 switch (argc) { 60 case (0): 61 #pragma omp target teams distribute simd 62 for (int i = 0; i < argc; ++i) { 63 foo(); 64 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}} 65 continue; 66 } 67 default: 68 break; 69 } 70 } 71 // expected-error@+1 {{unexpected OpenMP clause 'default' in directive '#pragma omp target teams distribute simd'}} 72 #pragma omp target teams distribute simd default(none) 73 for (int i = 0; i < 10; ++i) 74 ++argc; 75 76 goto L2; // expected-error {{use of undeclared label 'L2'}} 77 #pragma omp target teams distribute simd 78 for (int i = 0; i < argc; ++i) 79 L2: 80 foo(); 81 #pragma omp target teams distribute simd 82 for (int i = 0; i < argc; ++i) { 83 return 1; // expected-error {{cannot return from OpenMP region}} 84 } 85 86 [[]] // expected-error {{an attribute list cannot appear here}} 87 #pragma omp target teams distribute simd 88 for (int n = 0; n < 100; ++n) { 89 } 90 91 #pragma omp target teams distribute simd copyin(pvt) // expected-error {{unexpected OpenMP clause 'copyin' in directive '#pragma omp target teams distribute simd'}} 92 for (int n = 0; n < 100; ++n) {} 93 94 return 0; 95 } 96 test_ordered()97void test_ordered() { 98 #pragma omp target teams distribute simd ordered // expected-error {{unexpected OpenMP clause 'ordered' in directive '#pragma omp target teams distribute simd'}} 99 for (int i = 0; i < 16; ++i) 100 ; 101 } 102 103