[OpenMP] Parsing + sema for target parallel directive.

Summary:
This patch adds parsing + sema for the target parallel directive and its clauses along with testcases.

Reviewers: ABataev

Differential Revision: http://reviews.llvm.org/D16553

Rebased to current trunk and updated test cases.

llvm-svn: 258832

1 files changed, 17 insertions, 0 deletions

diff --git a/clang/test/OpenMP/target_parallel_nowait_messages.cpp b/clang/test/OpenMP/target_parallel_nowait_messages.cpp
new file mode 100644
index 00000000000..91e26f20819
--- /dev/null
+++ b/clang/test/OpenMP/target_parallel_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 parallel nowait( // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
+  foo();
+  #pragma omp target parallel nowait (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
+  foo();
+  #pragma omp target parallel nowait device (-10u)
+  foo();
+  #pragma omp target parallel nowait (3.14) device (-10u) // expected-warning {{extra tokens at the end of '#pragma omp target parallel' are ignored}}
+  foo();
+
+  return 0;
+}