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