forked from OSchip/llvm-project
159 lines
6.3 KiB
C++
159 lines
6.3 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp %s -Wuninitialized
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// RUN: %clang_cc1 -verify -fopenmp-simd %s -Wuninitialized
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int foo();
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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 critical
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argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
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}
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template<typename T, int N>
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int tmain(int argc, char **argv) { // expected-note {{declared here}}
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#pragma omp critical
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;
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#pragma omp critical untied allocate(argc) // expected-error {{unexpected OpenMP clause 'untied' in directive '#pragma omp critical'}} expected-error {{unexpected OpenMP clause 'allocate' in directive '#pragma omp critical'}}
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#pragma omp critical unknown // expected-warning {{extra tokens at the end of '#pragma omp critical' are ignored}}
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#pragma omp critical ( // expected-error {{expected identifier}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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#pragma omp critical ( + // expected-error {{expected identifier}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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#pragma omp critical (name2 // expected-error {{expected ')'}} expected-note {{to match this '('}}
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#pragma omp critical (name1)
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foo();
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{
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#pragma omp critical
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} // expected-error {{expected statement}}
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#pragma omp critical (name2) // expected-note {{previous 'critical' region starts here}}
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#pragma omp critical
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for (int i = 0; i < 10; ++i) {
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foo();
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#pragma omp parallel
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#pragma omp for
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for (int j = 0; j < 10; j++) {
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foo();
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#pragma omp critical(name2) // expected-error {{cannot nest 'critical' regions having the same name 'name2'}}
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foo();
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}
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}
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#pragma omp critical (name2)
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#pragma omp critical
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for (int i = 0; i < 10; ++i) {
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foo();
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#pragma omp parallel
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#pragma omp for
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for (int j = 0; j < 10; j++) {
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#pragma omp critical
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foo();
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}
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}
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#pragma omp critical (name2)
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#pragma omp critical
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for (int i = 0; i < 10; ++i) {
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foo();
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#pragma omp parallel
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#pragma omp for
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for (int j = 0; j < 10; j++) {
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#pragma omp critical (nam)
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foo();
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}
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}
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#pragma omp critical (name2) hint // expected-error {{expected '(' after 'hint'}}
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foo();
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#pragma omp critical (name2) hint( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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foo();
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#pragma omp critical (name2) hint(+ // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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foo();
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#pragma omp critical (name2) hint(argc) // expected-error {{expression is not an integral constant expression}} expected-note {{read of non-const variable 'argc' is not allowed in a constant expression}}
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foo();
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#pragma omp critical (name) hint(N) // expected-error {{argument to 'hint' clause must be a strictly positive integer value}} expected-error {{constructs with the same name must have a 'hint' clause with the same value}} expected-note {{'hint' clause with value '4'}}
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foo();
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#pragma omp critical hint(N) // expected-error {{the name of the construct must be specified in presence of 'hint' clause}}
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foo();
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return 0;
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}
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int main(int argc, char **argv) { // expected-note {{declared here}}
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#pragma omp critical
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;
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#pragma omp critical untied // expected-error {{unexpected OpenMP clause 'untied' in directive '#pragma omp critical'}}
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#pragma omp critical unknown // expected-warning {{extra tokens at the end of '#pragma omp critical' are ignored}}
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#pragma omp critical ( // expected-error {{expected identifier}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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#pragma omp critical ( + // expected-error {{expected identifier}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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#pragma omp critical (name2 // expected-error {{expected ')'}} expected-note {{to match this '('}}
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#pragma omp critical (name1)
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foo();
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{
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#pragma omp critical
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} // expected-error {{expected statement}}
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#pragma omp critical (name2) // expected-note {{previous 'critical' region starts here}}
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#pragma omp critical
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for (int i = 0; i < 10; ++i) {
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foo();
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#pragma omp parallel
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#pragma omp for
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for (int j = 0; j < 10; j++) {
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foo();
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#pragma omp critical(name2) // expected-error {{cannot nest 'critical' regions having the same name 'name2'}}
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foo();
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}
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}
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#pragma omp critical (name2)
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#pragma omp critical
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for (int i = 0; i < 10; ++i) {
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foo();
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#pragma omp parallel
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#pragma omp for
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for (int j = 0; j < 10; j++) {
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#pragma omp critical
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foo();
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}
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}
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#pragma omp critical (name2)
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#pragma omp critical
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for (int i = 0; i < 10; ++i) {
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foo();
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#pragma omp parallel
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#pragma omp for
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for (int j = 0; j < 10; j++) {
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#pragma omp critical (nam)
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foo();
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}
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}
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#pragma omp critical (name2) hint // expected-error {{expected '(' after 'hint'}}
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foo();
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#pragma omp critical (name2) hint( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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foo();
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#pragma omp critical (name2) hint(+ // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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foo();
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#pragma omp critical (name2) hint(argc) // expected-error {{expression is not an integral constant expression}} expected-note {{read of non-const variable 'argc' is not allowed in a constant expression}}
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foo();
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#pragma omp critical (name) hint(23) // expected-note {{previous 'hint' clause with value '23'}}
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foo();
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#pragma omp critical hint(-5) // expected-error {{argument to 'hint' clause must be a strictly positive integer value}}
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foo();
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#pragma omp critical hint(1) // expected-error {{the name of the construct must be specified in presence of 'hint' clause}}
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foo();
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return tmain<int, 4>(argc, argv) + tmain<float, -5>(argc, argv); // expected-note {{in instantiation of function template specialization 'tmain<float, -5>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<int, 4>' requested here}}
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}
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int foo() {
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L1:
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foo();
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#pragma omp critical
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{
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foo();
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goto L1; // expected-error {{use of undeclared label 'L1'}}
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}
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goto L2; // expected-error {{use of undeclared label 'L2'}}
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#pragma omp critical
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{
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L2:
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foo();
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}
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return 0;
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}
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