[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

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@258441 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Basic/OpenMPKinds.def b/include/clang/Basic/OpenMPKinds.def
index a57d34ca497c3fbe9becd579b429e7c74727a6a0..d56770a94342158e62d5f6fdc1c4ab0e9bd885ce 100644 (file)
--- a/include/clang/Basic/OpenMPKinds.def
+++ b/include/clang/Basic/OpenMPKinds.def
@@ -355,6 +355,7 @@ OPENMP_TARGET_CLAUSE(if)
 OPENMP_TARGET_CLAUSE(device)
 OPENMP_TARGET_CLAUSE(map)
 OPENMP_TARGET_CLAUSE(private)
+OPENMP_TARGET_CLAUSE(nowait)
 
 // Clauses allowed for OpenMP directive 'target data'.
 // TODO More clauses for 'target data' directive.

diff --git a/test/OpenMP/target_ast_print.cpp b/test/OpenMP/target_ast_print.cpp
index acf032a22120276aedbb6ba7440d644f5d5497b0..13d14736babbee9ceb4cbcac8ae9e571bed6c35c 100644 (file)
--- a/test/OpenMP/target_ast_print.cpp
+++ b/test/OpenMP/target_ast_print.cpp
@@ -25,6 +25,8 @@ T tmain(T argc, T *argv) {
   foo();
 #pragma omp target map(always,alloc: i)
   foo();
+#pragma omp target nowait
+  foo();
   return 0;
 }
 
@@ -44,6 +46,8 @@ T tmain(T argc, T *argv) {
 // CHECK-NEXT: foo()
 // CHECK-NEXT: #pragma omp target map(always,alloc: i)
 // CHECK-NEXT: foo()
+// CHECK-NEXT: #pragma omp target nowait
+// CHECK-NEXT: foo()
 // CHECK: template <typename T = char, int C = 1> char tmain(char argc, char *argv) {
 // CHECK-NEXT: char i, j, a[20]
 // CHECK-NEXT: #pragma omp target
@@ -60,6 +64,8 @@ T tmain(T argc, T *argv) {
 // CHECK-NEXT: foo()
 // CHECK-NEXT: #pragma omp target map(always,alloc: i)
 // CHECK-NEXT: foo()
+// CHECK-NEXT: #pragma omp target nowait
+// CHECK-NEXT: foo()
 // CHECK: template <typename T, int C> T tmain(T argc, T *argv) {
 // CHECK-NEXT: T i, j, a[20]
 // CHECK-NEXT: #pragma omp target
@@ -76,6 +82,8 @@ T tmain(T argc, T *argv) {
 // CHECK-NEXT: foo()
 // CHECK-NEXT: #pragma omp target map(always,alloc: i)
 // CHECK-NEXT: foo()
+// CHECK-NEXT: #pragma omp target nowait
+// CHECK-NEXT: foo()
 
 // CHECK-LABEL: int main(int argc, char **argv) {
 int main (int argc, char **argv) {
@@ -115,6 +123,11 @@ int main (int argc, char **argv) {
   foo();
 // CHECK-NEXT: foo();
 
+#pragma omp target nowait
+// CHECK-NEXT: #pragma omp target nowait
+  foo();
+// CHECK-NEXT: foo();
+
   return tmain<int, 5>(argc, &argc) + tmain<char, 1>(argv[0][0], argv[0]);
 }
 

diff --git a/test/OpenMP/target_nowait_messages.cpp b/test/OpenMP/target_nowait_messages.cpp
new file mode 100644 (file)
index 0000000..7531c81
--- /dev/null
+++ b/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;
+}