8bd06d5b65
In Clang 16, we implemented the ability to add a label at the end of a compound statement. These changes complete the implementation by allowing a label to be followed by a declaration in C. Note, this seems to have fixed an issue with some OpenMP stand-alone directives not being properly diagnosed as per: https://www.openmp.org/spec-html/5.1/openmpsu19.html#x34-330002.1.3 (The same requirement exists in OpenMP 5.2 as well.)
114 lines
3.6 KiB
C++
114 lines
3.6 KiB
C++
// RUN: %clang_cc1 -verify -fopenmp -fopenmp-version=45 -ferror-limit 100 %s -Wuninitialized
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// RUN: %clang_cc1 -verify -fopenmp-simd -fopenmp-version=45 -ferror-limit 100 %s -Wuninitialized
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template <class T>
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T tmain(T argc) {
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#pragma omp taskwait allocate(argc) // expected-error {{unexpected OpenMP clause 'allocate' in directive '#pragma omp taskwait'}}
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#pragma omp taskwait depend(in:argc) // expected-error {{unexpected OpenMP clause 'depend' in directive '#pragma omp taskwait'}}
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;
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#pragma omp taskwait untied // expected-error {{unexpected OpenMP clause 'untied' in directive '#pragma omp taskwait'}}
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#pragma omp taskwait unknown // expected-warning {{extra tokens at the end of '#pragma omp taskwait' are ignored}}
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if (argc)
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#pragma omp taskwait // expected-error {{'#pragma omp taskwait' cannot be an immediate substatement}}
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if (argc) {
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#pragma omp taskwait
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}
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while (argc)
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#pragma omp taskwait // expected-error {{'#pragma omp taskwait' cannot be an immediate substatement}}
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while (argc) {
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#pragma omp taskwait
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}
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do
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#pragma omp taskwait // expected-error {{'#pragma omp taskwait' cannot be an immediate substatement}}
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while (argc)
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;
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do {
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#pragma omp taskwait
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} while (argc);
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switch (argc)
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#pragma omp taskwait // expected-error {{'#pragma omp taskwait' cannot be an immediate substatement}}
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switch (argc)
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case 1:
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#pragma omp taskwait // expected-error {{'#pragma omp taskwait' cannot be an immediate substatement}}
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switch (argc)
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case 1: {
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#pragma omp taskwait
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}
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switch (argc) {
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#pragma omp taskwait
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case 1:
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#pragma omp taskwait // expected-error {{'#pragma omp taskwait' cannot be an immediate substatement}}
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break;
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default: {
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#pragma omp taskwait
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} break;
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}
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for (;;)
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#pragma omp taskwait // expected-error {{'#pragma omp taskwait' cannot be an immediate substatement}}
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for (;;) {
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#pragma omp taskwait
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}
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label:
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#pragma omp taskwait // expected-error {{'#pragma omp taskwait' cannot be an immediate substatement}}
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label1 : {
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#pragma omp taskwait
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}
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return T();
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}
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int main(int argc, char **argv) {
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#pragma omp taskwait
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;
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#pragma omp taskwait untied // expected-error {{unexpected OpenMP clause 'untied' in directive '#pragma omp taskwait'}}
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#pragma omp taskwait unknown // expected-warning {{extra tokens at the end of '#pragma omp taskwait' are ignored}}
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if (argc)
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#pragma omp taskwait // expected-error {{'#pragma omp taskwait' cannot be an immediate substatement}}
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if (argc) {
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#pragma omp taskwait
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}
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while (argc)
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#pragma omp taskwait // expected-error {{'#pragma omp taskwait' cannot be an immediate substatement}}
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while (argc) {
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#pragma omp taskwait
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}
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do
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#pragma omp taskwait // expected-error {{'#pragma omp taskwait' cannot be an immediate substatement}}
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while (argc)
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;
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do {
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#pragma omp taskwait
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} while (argc);
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switch (argc)
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#pragma omp taskwait // expected-error {{'#pragma omp taskwait' cannot be an immediate substatement}}
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switch (argc)
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case 1:
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#pragma omp taskwait // expected-error {{'#pragma omp taskwait' cannot be an immediate substatement}}
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switch (argc)
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case 1: {
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#pragma omp taskwait
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}
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switch (argc) {
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#pragma omp taskwait
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case 1:
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#pragma omp taskwait // expected-error {{'#pragma omp taskwait' cannot be an immediate substatement}}
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break;
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default: {
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#pragma omp taskwait
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} break;
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}
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for (;;)
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#pragma omp taskwait // expected-error {{'#pragma omp taskwait' cannot be an immediate substatement}}
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for (;;) {
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#pragma omp taskwait
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}
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label:
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#pragma omp taskwait // expected-error {{'#pragma omp taskwait' cannot be an immediate substatement}}
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label1 : {
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#pragma omp taskwait
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}
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return tmain(argc);
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}
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