1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -ferror-limit 100 -std=c++11 -o - %s -fopenmp-version=45 -Wuninitialized 2 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized 3 4 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -ferror-limit 100 -std=c++11 -o - %s -fopenmp-version=45 -Wuninitialized 5 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized 6 foo()7void foo() { 8 } 9 xxx(int argc)10void xxx(int argc) { 11 int x; // expected-note {{initialize the variable 'x' to silence this warning}} 12 #pragma omp distribute parallel for 13 for (int i = 0; i < 10; ++i) 14 argc = x; // expected-warning {{variable 'x' is uninitialized when used here}} 15 } 16 17 #pragma omp distribute parallel for // expected-error {{unexpected OpenMP directive '#pragma omp distribute parallel for'}} 18 main(int argc,char ** argv)19int main(int argc, char **argv) { 20 #pragma omp distribute parallel for order // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp distribute parallel for'}} expected-error {{expected '(' after 'order'}} 21 for (int i = 0; i < argc; ++i) 22 foo(); 23 #pragma omp distribute parallel for order( // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp distribute parallel for'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}} 24 for (int i = 0; i < argc; ++i) 25 foo(); 26 #pragma omp distribute parallel for order(none // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp distribute parallel for'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}} 27 for (int i = 0; i < argc; ++i) 28 foo(); 29 #pragma omp distribute parallel for order(concurrent // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp distribute parallel for'}} expected-error {{expected ')'}} expected-note {{to match this '('}} 30 for (int i = 0; i < argc; ++i) 31 foo(); 32 #pragma omp distribute parallel for order(concurrent) // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp distribute parallel for'}} 33 for (int i = 0; i < argc; ++i) 34 foo(); 35 #pragma omp target 36 #pragma omp teams 37 #pragma omp distribute parallel for { // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for' are ignored}} 38 for (int i = 0; i < argc; ++i) 39 foo(); 40 #pragma omp target 41 #pragma omp teams 42 #pragma omp distribute parallel for ( // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for' are ignored}} 43 for (int i = 0; i < argc; ++i) 44 foo(); 45 #pragma omp target 46 #pragma omp teams 47 #pragma omp distribute parallel for[ // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for' are ignored}} 48 for (int i = 0; i < argc; ++i) 49 foo(); 50 #pragma omp target 51 #pragma omp teams 52 #pragma omp distribute parallel for] // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for' are ignored}} 53 for (int i = 0; i < argc; ++i) 54 foo(); 55 #pragma omp target 56 #pragma omp teams 57 #pragma omp distribute parallel for) // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for' are ignored}} 58 for (int i = 0; i < argc; ++i) 59 foo(); 60 #pragma omp target 61 #pragma omp teams 62 #pragma omp distribute parallel for } // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for' are ignored}} 63 for (int i = 0; i < argc; ++i) 64 foo(); 65 #pragma omp target 66 #pragma omp teams 67 #pragma omp distribute parallel for linear(argc) // expected-error {{unexpected OpenMP clause 'linear' in directive '#pragma omp distribute parallel for'}} 68 for (int i = 0; i < argc; ++i) 69 foo(); 70 #pragma omp target 71 #pragma omp teams 72 #pragma omp distribute parallel for unknown() // expected-warning {{extra tokens at the end of '#pragma omp distribute parallel for' are ignored}} 73 for (int i = 0; i < argc; ++i) 74 foo(); 75 L1: 76 for (int i = 0; i < argc; ++i) 77 foo(); 78 #pragma omp target 79 #pragma omp teams 80 #pragma omp distribute parallel for 81 for (int i = 0; i < argc; ++i) 82 foo(); 83 #pragma omp target 84 #pragma omp teams 85 #pragma omp distribute parallel for 86 for (int i = 0; i < argc; ++i) { 87 goto L1; // expected-error {{use of undeclared label 'L1'}} 88 argc++; 89 } 90 91 for (int i = 0; i < 10; ++i) { 92 switch (argc) { 93 case (0): 94 #pragma omp target 95 #pragma omp teams 96 #pragma omp distribute parallel for 97 for (int i = 0; i < argc; ++i) { 98 foo(); 99 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}} 100 continue; 101 } 102 default: 103 break; 104 } 105 } 106 #pragma omp target 107 #pragma omp teams 108 #pragma omp distribute parallel for default(none) // expected-note {{explicit data sharing attribute requested here}} 109 for (int i = 0; i < 10; ++i) 110 ++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}} 111 112 goto L2; // expected-error {{use of undeclared label 'L2'}} 113 #pragma omp target 114 #pragma omp teams 115 #pragma omp distribute parallel for 116 for (int i = 0; i < argc; ++i) 117 L2: 118 foo(); 119 #pragma omp target 120 #pragma omp teams 121 #pragma omp distribute parallel for 122 for (int i = 0; i < argc; ++i) { 123 return 1; // expected-error {{cannot return from OpenMP region}} 124 } 125 126 [[]] // expected-error {{an attribute list cannot appear here}} 127 #pragma omp target 128 #pragma omp teams 129 #pragma omp distribute parallel for 130 for (int n = 0; n < 100; ++n) { 131 } 132 133 return 0; 134 } 135 test_ordered()136void test_ordered() { 137 #pragma omp target 138 #pragma omp teams 139 #pragma omp distribute parallel for collapse(2) collapse(3) // expected-error {{directive '#pragma omp distribute parallel for' cannot contain more than one 'collapse' clause}} 140 for (int i = 0; i < 16; ++i) 141 for (int j = 0; j < 16; ++j) 142 ; 143 } 144 test_cancel()145void test_cancel() { 146 #pragma omp target 147 #pragma omp teams 148 #pragma omp distribute parallel for 149 for (int i = 0; i < 16; ++i) 150 for (int j = 0; j < 16; ++j) { 151 #pragma omp cancel for 152 ; 153 } 154 } 155 156