108 lines · cpp
1// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized2 3// RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized4 5void foo() {6}7 8void xxx(int argc) {9 int x; // expected-note {{initialize the variable 'x' to silence this warning}}10#pragma omp parallel11 argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}12}13 14#pragma omp parallel // expected-error {{unexpected OpenMP directive '#pragma omp parallel'}}15 16int a;17struct S;18S& bar();19int main(int argc, char **argv) {20 S &s = bar();21 #pragma omp parallel22 (void)&s;23 #pragma omp parallel { // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}24 foo();25 #pragma omp parallel ( // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}26 foo();27 #pragma omp parallel [ // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}28 foo();29 #pragma omp parallel ] // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}30 foo();31 #pragma omp parallel ) // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}32 foo();33 #pragma omp parallel } // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}34 foo();35 #pragma omp parallel36 // expected-warning@+1 {{extra tokens at the end of '#pragma omp parallel' are ignored}}37 #pragma omp parallel unknown()38 foo();39 L1:40 foo();41 #pragma omp parallel ordered // expected-error {{unexpected OpenMP clause 'ordered' in directive '#pragma omp parallel'}}42 ;43 #pragma omp parallel44 ;45 #pragma omp parallel46 {47 goto L1; // expected-error {{use of undeclared label 'L1'}}48 argc++;49 }50 51 for (int i = 0; i < 10; ++i) {52 switch(argc) {53 case (0):54 #pragma omp parallel55 {56 foo();57 break; // expected-error {{'break' statement not in loop or switch statement}}58 continue; // expected-error {{'continue' statement not in loop statement}}59 }60 default:61 break;62 }63 }64#pragma omp parallel default(none) // expected-note 2 {{explicit data sharing attribute requested here}}65 {66 ++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}67 ++a; // expected-error {{variable 'a' must have explicitly specified data sharing attributes}}68 }69 70 goto L2; // expected-error {{use of undeclared label 'L2'}}71 #pragma omp parallel72 L2:73 foo();74 #pragma omp parallel75 {76 return 1; // expected-error {{cannot return from OpenMP region}}77 }78 79 [[]] // expected-error {{an attribute list cannot appear here}}80 #pragma omp parallel81 for (int n = 0; n < 100; ++n) {}82 83 return 0;84}85 86struct a {87 static constexpr int b = 0;88};89template <bool> struct c;90template <typename d, typename e> bool operator<(d, e);91struct f {92 int cbegin;93};94class g {95 f blocks;96 void j();97};98template <typename> struct is_error_code_enum : a {};99struct h {100 template <typename i, typename = c<is_error_code_enum<i>::b>> h(i);101};102h operator<(h, h);103void g::j() {104#pragma omp parallel for default(none) if(a::b)105 for (auto a = blocks.cbegin; a < blocks; ++a) // expected-error 2 {{invalid operands to binary expression ('f' and 'int')}}106 ;107}108