[OPENMP] Parsing and sema analysis for 'omp task' directive.

llvm-svn: 212804

1 files changed, 46 insertions, 0 deletions

diff --git a/clang/test/OpenMP/task_if_messages.cpp b/clang/test/OpenMP/task_if_messages.cpp
new file mode 100644
index 00000000000..51900c0be2e
--- /dev/null
+++ b/clang/test/OpenMP/task_if_messages.cpp
@@ -0,0 +1,46 @@
+// RUN: %clang_cc1 -verify -fopenmp=libiomp5 -ferror-limit 100 %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note {{declared here}}
+
+template <class T, class S> // expected-note {{declared here}}
+int tmain(T argc, S **argv) {
+  #pragma omp task if // expected-error {{expected '(' after 'if'}}
+  #pragma omp task if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp task if () // expected-error {{expected expression}}
+  #pragma omp task if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp task if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp task' are ignored}}
+  #pragma omp task if (argc > 0 ? argv[1] : argv[2])
+  #pragma omp task if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp task' cannot contain more than one 'if' clause}}
+  #pragma omp task if (S) // expected-error {{'S' does not refer to a value}}
+  #pragma omp task if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp task if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp task if(argc)
+  foo();
+
+  return 0;
+}
+
+int main(int argc, char **argv) {
+  #pragma omp task if // expected-error {{expected '(' after 'if'}}
+  #pragma omp task if ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp task if () // expected-error {{expected expression}}
+  #pragma omp task if (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp task if (argc)) // expected-warning {{extra tokens at the end of '#pragma omp task' are ignored}}
+  #pragma omp task if (argc > 0 ? argv[1] : argv[2])
+  #pragma omp task if (foobool(argc)), if (true) // expected-error {{directive '#pragma omp task' cannot contain more than one 'if' clause}}
+  #pragma omp task if (S1) // expected-error {{'S1' does not refer to a value}}
+  #pragma omp task if (argv[1]=2) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp task if (argc argc) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp task if (1 0) // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp task if(if(tmain(argc, argv) // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  foo();
+
+  return tmain(argc, argv);
+}