forked from OSchip/llvm-project
323 lines
16 KiB
C++
323 lines
16 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 -std=c++98 -o - %s -Wuninitialized
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// 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 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify -fopenmp-simd -ferror-limit 100 -std=c++98 -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 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 for ordered
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered
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argc = x; // expected-warning {{variable 'x' is uninitialized when used here}}
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}
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}
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int foo();
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#if __cplusplus >= 201103L
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// expected-note@-2 {{declared here}}
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#endif
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template <class T>
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T foo() {
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T k;
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#pragma omp for ordered
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for (int i = 0; i < 10; ++i) {
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L1:
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foo();
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#pragma omp ordered
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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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}
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#pragma omp for ordered
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for (int i = 0; i < 10; ++i) {
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foo();
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goto L2; // expected-error {{use of undeclared label 'L2'}}
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#pragma omp ordered
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{
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L2:
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foo();
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}
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}
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#pragma omp for ordered
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered threads threads // expected-error {{directive '#pragma omp ordered' cannot contain more than one 'threads' clause}}
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{
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foo();
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}
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}
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#pragma omp for ordered(1) // expected-note {{'ordered' clause with specified parameter}}
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered // expected-error {{'ordered' directive without any clauses cannot be closely nested inside ordered region with specified parameter}}
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{
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foo();
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}
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}
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#pragma omp for ordered(1) // expected-note {{'ordered' clause with specified parameter}}
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered threads // expected-error {{'ordered' directive with 'threads' clause cannot be closely nested inside ordered region with specified parameter}}
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{
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foo();
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}
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}
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#pragma omp for ordered
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered // expected-note {{previous 'ordered' directive used here}}
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{
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foo();
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}
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#pragma omp ordered // expected-error {{exactly one 'ordered' directive must appear in the loop body of an enclosing directive}}
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{
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foo();
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}
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}
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#pragma omp ordered simd simd // expected-error {{directive '#pragma omp ordered' cannot contain more than one 'simd' clause}}
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{
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foo();
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}
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#pragma omp simd
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered // expected-error {{OpenMP constructs may not be nested inside a simd region}}
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{
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foo();
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}
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}
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#pragma omp simd
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered threads // expected-error {{OpenMP constructs may not be nested inside a simd region}}
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{
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foo();
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}
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}
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#pragma omp simd
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered simd // expected-note {{previous 'ordered' directive used here}}
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{
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foo();
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}
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#pragma omp ordered simd // expected-error {{exactly one 'ordered' directive must appear in the loop body of an enclosing directive}}
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{
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foo();
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}
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}
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#pragma omp for simd
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered // expected-error {{OpenMP constructs may not be nested inside a simd region}}
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{
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foo();
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}
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}
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#pragma omp for simd
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered threads // expected-error {{OpenMP constructs may not be nested inside a simd region}}
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{
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foo();
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}
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}
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#pragma omp parallel for simd
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered // expected-error {{OpenMP constructs may not be nested inside a simd region}}
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{
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foo();
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}
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}
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#pragma omp parallel for simd
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered threads // expected-error {{OpenMP constructs may not be nested inside a simd region}}
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{
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foo();
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}
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#pragma omp ordered depend(source) // expected-error {{OpenMP constructs may not be nested inside a simd region}}
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}
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#pragma omp parallel for ordered
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered depend(source) // expected-error {{'ordered' directive with 'depend' clause cannot be closely nested inside ordered region without specified parameter}}
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#pragma omp ordered depend(sink : i) // expected-error {{'ordered' directive with 'depend' clause cannot be closely nested inside ordered region without specified parameter}}
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}
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#pragma omp parallel for ordered(2) // expected-note 3 {{'ordered' clause with specified parameter}}
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for (int i = 0; i < 10; ++i) {
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for (int j = 0; j < 10; ++j) {
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#pragma omp ordered depend // expected-error {{expected '(' after 'depend'}} expected-error {{'ordered' directive without any clauses cannot be closely nested inside ordered region with specified parameter}}
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#pragma omp ordered depend( // expected-error {{expected ')'}} expected-error {{expected 'source' or 'sink' in OpenMP clause 'depend'}} expected-error {{'ordered' directive without any clauses cannot be closely nested inside ordered region with specified parameter}} expected-warning {{missing ':' or ')' after dependency type - ignoring}} expected-note {{to match this '('}}
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#pragma omp ordered depend(source // expected-error {{expected ')'}} expected-note {{to match this '('}}
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#pragma omp ordered depend(sink // expected-error {{expected expression}} expected-warning {{missing ':' or ')' after dependency type - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected 'i' loop iteration variable}}
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#pragma omp ordered depend(sink : // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected expression}} expected-error {{expected 'i' loop iteration variable}}
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#pragma omp ordered depend(sink : i // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected 'j' loop iteration variable}}
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#pragma omp ordered depend(sink : i) // expected-error {{expected 'j' loop iteration variable}}
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#pragma omp ordered depend(source)
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if (i == j)
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#pragma omp ordered depend(source) // expected-error {{'#pragma omp ordered' with 'depend' clause cannot be an immediate substatement}}
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;
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if (i == j)
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#pragma omp ordered depend(sink : i, j) // expected-error {{'#pragma omp ordered' with 'depend' clause cannot be an immediate substatement}}
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;
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#pragma omp ordered depend(source) threads // expected-error {{'depend' clauses cannot be mixed with 'threads' clause}}
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#pragma omp ordered simd depend(source) // expected-error {{'depend' clauses cannot be mixed with 'simd' clause}}
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#pragma omp ordered depend(source) depend(source) // expected-error {{directive '#pragma omp ordered' cannot contain more than one 'depend' clause with 'source' dependence}}
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#pragma omp ordered depend(in : i) // expected-error {{expected 'source' or 'sink' in OpenMP clause 'depend'}} expected-error {{'ordered' directive without any clauses cannot be closely nested inside ordered region with specified parameter}}
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#pragma omp ordered depend(sink : i, j)
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#pragma omp ordered depend(sink : j, i) // expected-error {{expected 'i' loop iteration variable}} expected-error {{expected 'j' loop iteration variable}}
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#pragma omp ordered depend(sink : i, j, k) // expected-error {{unexpected expression: number of expressions is larger than the number of associated loops}}
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#pragma omp ordered depend(sink : i+foo(), j/4) // expected-error {{integral constant expression}} expected-error {{expected '+' or '-' operation}}
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#if __cplusplus >= 201103L
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// expected-note@-2 {{non-constexpr function 'foo' cannot be used in a constant expression}}
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#endif
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#pragma omp ordered depend(sink : i*0, j-4)// expected-error {{expected '+' or '-' operation}}
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#pragma omp ordered depend(sink : i-0, j+sizeof(T)) depend(sink : i-0, j+sizeof(T))
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#pragma omp ordered depend(sink : i-0, j+sizeof(T)) depend(source) // expected-error {{'depend(source)' clause cannot be mixed with 'depend(sink:vec)' clauses}}
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#pragma omp ordered depend(source) depend(sink : i-0, j+sizeof(T)) // expected-error {{'depend(sink:vec)' clauses cannot be mixed with 'depend(source)' clause}}
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}
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}
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#pragma omp ordered depend(source) // expected-error {{'ordered' directive with 'depend' clause cannot be closely nested inside ordered region without specified parameter}}
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#pragma omp ordered depend(sink:k) // expected-error {{'ordered' directive with 'depend' clause cannot be closely nested inside ordered region without specified parameter}}
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return T();
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}
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int foo() {
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#if __cplusplus >= 201103L
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// expected-note@-2 {{declared here}}
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#endif
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int k;
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#pragma omp for ordered
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for (int i = 0; i < 10; ++i) {
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L1:
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foo();
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#pragma omp ordered
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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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}
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#pragma omp for ordered
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for (int i = 0; i < 10; ++i) {
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foo();
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goto L2; // expected-error {{use of undeclared label 'L2'}}
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#pragma omp ordered
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{
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L2:
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foo();
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}
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}
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#pragma omp for ordered
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered threads threads // expected-error {{directive '#pragma omp ordered' cannot contain more than one 'threads' clause}}
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{
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foo();
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}
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}
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#pragma omp for ordered(1) // expected-note {{'ordered' clause with specified parameter}}
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered // expected-error {{'ordered' directive without any clauses cannot be closely nested inside ordered region with specified parameter}}
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{
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foo();
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}
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}
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#pragma omp for ordered(1) // expected-note {{'ordered' clause with specified parameter}}
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered threads // expected-error {{'ordered' directive with 'threads' clause cannot be closely nested inside ordered region with specified parameter}}
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{
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foo();
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}
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}
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#pragma omp ordered simd simd // expected-error {{directive '#pragma omp ordered' cannot contain more than one 'simd' clause}}
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{
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foo();
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}
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#pragma omp simd
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered // expected-error {{OpenMP constructs may not be nested inside a simd region}}
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{
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foo();
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}
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}
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#pragma omp simd
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered threads // expected-error {{OpenMP constructs may not be nested inside a simd region}}
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{
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foo();
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}
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}
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#pragma omp for simd
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered // expected-error {{OpenMP constructs may not be nested inside a simd region}}
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{
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foo();
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}
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}
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#pragma omp for simd
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered threads // expected-error {{OpenMP constructs may not be nested inside a simd region}}
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{
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foo();
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}
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}
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#pragma omp parallel for simd
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered // expected-error {{OpenMP constructs may not be nested inside a simd region}}
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{
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foo();
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}
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}
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#pragma omp parallel for simd
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered threads // expected-error {{OpenMP constructs may not be nested inside a simd region}}
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{
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foo();
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}
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#pragma omp ordered depend(source) // expected-error {{OpenMP constructs may not be nested inside a simd region}}
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}
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#pragma omp parallel for ordered
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for (int i = 0; i < 10; ++i) {
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#pragma omp ordered depend(source) // expected-error {{'ordered' directive with 'depend' clause cannot be closely nested inside ordered region without specified parameter}}
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#pragma omp ordered depend(sink : i) // expected-error {{'ordered' directive with 'depend' clause cannot be closely nested inside ordered region without specified parameter}}
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}
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#pragma omp parallel for ordered(2) // expected-note 3 {{'ordered' clause with specified parameter}}
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for (int i = 0; i < 10; ++i) {
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for (int j = 0; j < 10; ++j) {
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#pragma omp ordered depend // expected-error {{expected '(' after 'depend'}} expected-error {{'ordered' directive without any clauses cannot be closely nested inside ordered region with specified parameter}}
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#pragma omp ordered depend( // expected-error {{expected ')'}} expected-error {{expected 'source' or 'sink' in OpenMP clause 'depend'}} expected-error {{'ordered' directive without any clauses cannot be closely nested inside ordered region with specified parameter}} expected-warning {{missing ':' or ')' after dependency type - ignoring}} expected-note {{to match this '('}}
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#pragma omp ordered depend(source // expected-error {{expected ')'}} expected-note {{to match this '('}}
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#pragma omp ordered depend(sink // expected-error {{expected expression}} expected-warning {{missing ':' or ')' after dependency type - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected 'i' loop iteration variable}}
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#pragma omp ordered depend(sink : // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected expression}} expected-error {{expected 'i' loop iteration variable}}
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#pragma omp ordered depend(sink : i // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected 'j' loop iteration variable}}
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#pragma omp ordered depend(sink : i) // expected-error {{expected 'j' loop iteration variable}}
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#pragma omp ordered depend(source)
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if (i == j)
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#pragma omp ordered depend(source) // expected-error {{'#pragma omp ordered' with 'depend' clause cannot be an immediate substatement}}
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;
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if (i == j)
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#pragma omp ordered depend(sink : i, j) // expected-error {{'#pragma omp ordered' with 'depend' clause cannot be an immediate substatement}}
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;
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#pragma omp ordered depend(source) threads // expected-error {{'depend' clauses cannot be mixed with 'threads' clause}}
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#pragma omp ordered simd depend(source) // expected-error {{'depend' clauses cannot be mixed with 'simd' clause}}
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#pragma omp ordered depend(source) depend(source) // expected-error {{directive '#pragma omp ordered' cannot contain more than one 'depend' clause with 'source' dependence}}
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#pragma omp ordered depend(in : i) // expected-error {{expected 'source' or 'sink' in OpenMP clause 'depend'}} expected-error {{'ordered' directive without any clauses cannot be closely nested inside ordered region with specified parameter}}
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#pragma omp ordered depend(sink : i, j) allocate(i) // expected-error {{unexpected OpenMP clause 'allocate' in directive '#pragma omp ordered'}}
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#pragma omp ordered depend(sink : j, i) // expected-error {{expected 'i' loop iteration variable}} expected-error {{expected 'j' loop iteration variable}}
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#pragma omp ordered depend(sink : i, j, k) // expected-error {{unexpected expression: number of expressions is larger than the number of associated loops}}
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#pragma omp ordered depend(sink : i+foo(), j/4) // expected-error {{integral constant expression}} expected-error {{expected '+' or '-' operation}}
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#if __cplusplus >= 201103L
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// expected-note@-2 {{non-constexpr function 'foo' cannot be used in a constant expression}}
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#endif
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#pragma omp ordered depend(sink : i*0, j-4)// expected-error {{expected '+' or '-' operation}}
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#pragma omp ordered depend(sink : i-0, j+sizeof(int)) depend(sink : i-0, j+sizeof(int))
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#pragma omp ordered depend(sink : i-0, j+sizeof(int)) depend(source) // expected-error {{'depend(source)' clause cannot be mixed with 'depend(sink:vec)' clauses}}
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#pragma omp ordered depend(source) depend(sink : i-0, j+sizeof(int)) // expected-error {{'depend(sink:vec)' clauses cannot be mixed with 'depend(source)' clause}}
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}
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}
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#pragma omp for ordered(2) // expected-note {{as specified in 'ordered' clause}}
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for (int i = 0; i < 10; ++i) { // expected-error {{expected 2 for loops after '#pragma omp for', but found only 1}}
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#pragma omp ordered depend(sink : i)
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int j;
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#pragma omp ordered depend(sink : i, j) // expected-error {{expected loop iteration variable}}
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foo();
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}
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return foo<int>(); // expected-note {{in instantiation of function template specialization 'foo<int>' requested here}}
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}
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