forked from OSchip/llvm-project
108 lines
3.2 KiB
C++
108 lines
3.2 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 -std=c++11 -o - %s -Wuninitialized
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void foo() {
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}
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void xxx(int argc) {
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int x; // expected-note {{initialize the variable 'x' to silence this warning}}
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#pragma omp parallel
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argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
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}
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#pragma omp parallel // expected-error {{unexpected OpenMP directive '#pragma omp parallel'}}
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int a;
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struct S;
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S& bar();
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int main(int argc, char **argv) {
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S &s = bar();
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#pragma omp parallel
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(void)&s;
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#pragma omp parallel { // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
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foo();
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#pragma omp parallel ( // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
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foo();
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#pragma omp parallel [ // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
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foo();
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#pragma omp parallel ] // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
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foo();
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#pragma omp parallel ) // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
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foo();
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#pragma omp parallel } // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
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foo();
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#pragma omp parallel
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// expected-warning@+1 {{extra tokens at the end of '#pragma omp parallel' are ignored}}
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#pragma omp parallel unknown()
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foo();
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L1:
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foo();
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#pragma omp parallel ordered // expected-error {{unexpected OpenMP clause 'ordered' in directive '#pragma omp parallel'}}
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;
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#pragma omp parallel
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;
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#pragma omp parallel
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{
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goto L1; // expected-error {{use of undeclared label 'L1'}}
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argc++;
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}
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for (int i = 0; i < 10; ++i) {
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switch(argc) {
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case (0):
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#pragma omp parallel
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{
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foo();
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break; // expected-error {{'break' statement not in loop or switch statement}}
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continue; // expected-error {{'continue' statement not in loop statement}}
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}
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default:
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break;
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}
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}
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#pragma omp parallel default(none) // expected-note 2 {{explicit data sharing attribute requested here}}
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{
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++argc; // expected-error {{variable 'argc' must have explicitly specified data sharing attributes}}
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++a; // expected-error {{variable 'a' must have explicitly specified data sharing attributes}}
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}
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goto L2; // expected-error {{use of undeclared label 'L2'}}
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#pragma omp parallel
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L2:
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foo();
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#pragma omp parallel
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{
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return 1; // expected-error {{cannot return from OpenMP region}}
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}
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[[]] // expected-error {{an attribute list cannot appear here}}
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#pragma omp parallel
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for (int n = 0; n < 100; ++n) {}
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return 0;
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}
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struct a {
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static constexpr int b = 0;
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};
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template <bool> struct c;
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template <typename d, typename e> bool operator<(d, e);
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struct f {
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int cbegin;
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};
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class g {
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f blocks;
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void j();
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};
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template <typename> struct is_error_code_enum : a {};
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struct h {
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template <typename i, typename = c<is_error_code_enum<i>::b>> h(i);
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};
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h operator<(h, h);
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void g::j() {
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#pragma omp parallel for default(none) if(a::b)
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for (auto a = blocks.cbegin; a < blocks; ++a) // expected-error {{invalid operands to binary expression ('f' and 'int')}}
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;
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}
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