130 lines · cpp
1// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized2// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -fopenmp-version=50 -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized3// RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized4 5// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized6// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -fopenmp-version=50 -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized7// RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized8 9void xxx(int argc) {10 int x; // expected-note {{initialize the variable 'x' to silence this warning}}11#pragma omp parallel for12 for(int i = 0; i < 10; ++i)13 argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}14}15 16void foo() {17}18 19#pragma omp parallel for // expected-error {{unexpected OpenMP directive '#pragma omp parallel for'}}20 21int main(int argc, char **argv) {22#pragma omp parallel for { // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}23 for (int i = 0; i < argc; ++i)24 foo();25#pragma omp parallel for ( // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}26 for (int i = 0; i < argc; ++i)27 foo();28#pragma omp parallel for[ // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}29 for (int i = 0; i < argc; ++i)30 foo();31#pragma omp parallel for] // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}32 for (int i = 0; i < argc; ++i)33 foo();34#pragma omp parallel for) // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}35 for (int i = 0; i < argc; ++i)36 foo();37#pragma omp parallel for } // expected-warning {{extra tokens at the end of '#pragma omp parallel for' are ignored}}38 for (int i = 0; i < argc; ++i)39 foo();40#pragma omp parallel for41 for (int i = 0; i < argc; ++i)42 foo();43// expected-warning@+1 {{extra tokens at the end of '#pragma omp parallel for' are ignored}}44#pragma omp parallel for unknown()45 for (int i = 0; i < argc; ++i)46 foo();47L1:48 for (int i = 0; i < argc; ++i)49 foo();50#pragma omp parallel for51 for (int i = 0; i < argc; ++i)52 foo();53#pragma omp parallel for54 for (int i = 0; i < argc; ++i) {55 goto L1; // expected-error {{use of undeclared label 'L1'}}56 argc++;57 }58 59 for (int i = 0; i < 10; ++i) {60 switch (argc) {61 case (0):62#pragma omp parallel for63 for (int i = 0; i < argc; ++i) {64 foo();65 break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}66 continue;67 }68 default:69 break;70 }71 }72#pragma omp parallel for default(none) // expected-note {{explicit data sharing attribute requested here}}73 for (int i = 0; i < 10; ++i)74 ++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}75 76 goto L2; // expected-error {{use of undeclared label 'L2'}}77#pragma omp parallel for78 for (int i = 0; i < argc; ++i)79 L2:80 foo();81#pragma omp parallel for82 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 parallel for88 for (int n = 0; n < 100; ++n) {89 }90 91 return 0;92}93 94void test_ordered() {95#pragma omp parallel for ordered ordered // expected-error {{directive '#pragma omp parallel for' cannot contain more than one 'ordered' clause}}96 for (int i = 0; i < 16; ++i)97 ;98#pragma omp parallel for order // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp parallel for'}} expected-error {{expected '(' after 'order'}}99 for (int i = 0; i < 10; ++i)100 ;101#pragma omp parallel for order( // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp parallel for'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}} omp51-error {{expected 'concurrent' in OpenMP clause 'order'}}102 for (int i = 0; i < 10; ++i)103 ;104#pragma omp parallel for order(none // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp parallel for'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}} omp51-error {{expected 'concurrent' in OpenMP clause 'order'}}105 for (int i = 0; i < 10; ++i)106 ;107#pragma omp parallel for order(concurrent // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp parallel for'}} expected-error {{expected ')'}} expected-note {{to match this '('}}108 for (int i = 0; i < 10; ++i)109 ;110#pragma omp parallel for order(concurrent) // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp parallel for'}}111 for (int i = 0; i < 10; ++i)112 ;113#pragma omp parallel for order(unconstrained:) // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp parallel for'}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}} omp51-error {{expected 'concurrent' in OpenMP clause 'order'}}114 for (int i = 0; i < 10; ++i)115 ;116#pragma omp parallel for order(reproducible:concurrent // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp parallel for'}} expected-error {{expected ')'}} expected-note {{to match this '('}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}}117 for (int i = 0; i < 10; ++i)118 ;119#pragma omp parallel for order(reproducible:concurrent) // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp parallel for'}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}}120 for (int i = 0; i < 10; ++i)121 ;122#pragma omp parallel for order(unconstrained:concurrent) // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp parallel for'}} omp50-error {{expected 'concurrent' in OpenMP clause 'order'}}123 for (int i = 0; i < 10; ++i)124 ;125#pragma omp parallel for order(concurrent) order(concurrent) // omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp parallel for'}} omp45-error {{unexpected OpenMP clause 'order' in directive '#pragma omp parallel for'}} omp51-error {{directive '#pragma omp parallel for' cannot contain more than one 'order' clause}}126 for (int i = 0; i < 10; ++i)127 ;128}129 130