[OpenMP] Parsing + Sema for nowait clause on target directive

Summary:
Allow nowait clause on target directive in sema and add test cases.

Reviewers: ABataev

Differential Revision: http://reviews.llvm.org/D16358

llvm-svn: 258441

1 files changed, 17 insertions, 0 deletions

diff --git a/clang/test/OpenMP/target_nowait_messages.cpp b/clang/test/OpenMP/target_nowait_messages.cpp
new file mode 100644
index 00000000000..7531c81c0f6
--- /dev/null
+++ b/clang/test/OpenMP/target_nowait_messages.cpp
@@ -0,0 +1,17 @@
+// RUN: %clang_cc1 -triple x86_64-apple-macos10.7.0 -verify -fopenmp -ferror-limit 100 -o - %s
+
+void foo() {
+}
+
+int main(int argc, char **argv) {
+  #pragma omp target nowait( // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
+  foo();
+  #pragma omp target nowait (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
+  foo();
+  #pragma omp target nowait device (-10u)
+  foo();
+  #pragma omp target nowait (3.14) device (-10u) // expected-warning {{extra tokens at the end of '#pragma omp target' are ignored}}
+  foo();
+
+  return 0;
+}