[OPENMP] Initial parsing and sema analysis for 'flush' directive.
llvm-svn: 213512
diff --git a/clang/test/OpenMP/flush_messages.cpp b/clang/test/OpenMP/flush_messages.cpp
new file mode 100644
index 0000000..8c61680
--- /dev/null
+++ b/clang/test/OpenMP/flush_messages.cpp
@@ -0,0 +1,134 @@
+// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -ferror-limit 100 %s
+
+struct S1 { // expected-note 2 {{declared here}}
+ int a;
+};
+
+template <class T>
+T tmain(T argc) {
+#pragma omp flush
+ ;
+#pragma omp flush untied // expected-error {{unexpected OpenMP clause 'untied' in directive '#pragma omp flush'}}
+#pragma omp flush unknown // expected-warning {{extra tokens at the end of '#pragma omp flush' are ignored}}
+ if (argc)
+#pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
+ if (argc) {
+#pragma omp flush
+ }
+ while (argc)
+#pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
+ while (argc) {
+#pragma omp flush
+ }
+ do
+#pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
+ while (argc)
+ ;
+ do {
+#pragma omp flush
+ } while (argc);
+ switch (argc)
+#pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
+ switch (argc)
+ case 1:
+#pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
+ switch (argc)
+ case 1: {
+#pragma omp flush
+ }
+ switch (argc) {
+#pragma omp flush
+ case 1:
+#pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
+ break;
+ default: {
+#pragma omp flush
+ } break;
+ }
+ for (;;)
+#pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
+ for (;;) {
+#pragma omp flush
+ }
+label:
+#pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
+label1 : {
+#pragma omp flush
+}
+
+#pragma omp flush
+#pragma omp flush( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+#pragma omp flush() // expected-error {{expected expression}}
+#pragma omp flush(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+#pragma omp flush(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+#pragma omp flush(argc)
+#pragma omp flush(S1) // expected-error {{'S1' does not refer to a value}}
+#pragma omp flush(argc) flush(argc) // expected-warning {{extra tokens at the end of '#pragma omp flush' are ignored}}
+#pragma omp parallel flush(argc) // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
+ ;
+ return T();
+}
+
+int main(int argc, char **argv) {
+#pragma omp flush
+ ;
+#pragma omp flush untied // expected-error {{unexpected OpenMP clause 'untied' in directive '#pragma omp flush'}}
+#pragma omp flush unknown // expected-warning {{extra tokens at the end of '#pragma omp flush' are ignored}}
+ if (argc)
+#pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
+ if (argc) {
+#pragma omp flush
+ }
+ while (argc)
+#pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
+ while (argc) {
+#pragma omp flush
+ }
+ do
+#pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
+ while (argc)
+ ;
+ do {
+#pragma omp flush
+ } while (argc);
+ switch (argc)
+#pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
+ switch (argc)
+ case 1:
+#pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
+ switch (argc)
+ case 1: {
+#pragma omp flush
+ }
+ switch (argc) {
+#pragma omp flush
+ case 1:
+#pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
+ break;
+ default: {
+#pragma omp flush
+ } break;
+ }
+ for (;;)
+#pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
+ for (;;) {
+#pragma omp flush
+ }
+label:
+#pragma omp flush // expected-error {{'#pragma omp flush' cannot be an immediate substatement}}
+label1 : {
+#pragma omp flush
+}
+
+#pragma omp flush
+#pragma omp flush( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+#pragma omp flush() // expected-error {{expected expression}}
+#pragma omp flush(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+#pragma omp flush(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+#pragma omp flush(argc)
+#pragma omp flush(S1) // expected-error {{'S1' does not refer to a value}}
+#pragma omp flush(argc) flush(argc) // expected-warning {{extra tokens at the end of '#pragma omp flush' are ignored}}
+#pragma omp parallel flush(argc) // expected-warning {{extra tokens at the end of '#pragma omp parallel' are ignored}}
+ ;
+ return tmain(argc);
+}