[OPENMP] Parsing and sema analysis for 'copyprivate' clause.

llvm-svn: 211886
diff --git a/clang/test/OpenMP/single_copyprivate_messages.cpp b/clang/test/OpenMP/single_copyprivate_messages.cpp
new file mode 100644
index 0000000..f07ab12
--- /dev/null
+++ b/clang/test/OpenMP/single_copyprivate_messages.cpp
@@ -0,0 +1,157 @@
+// RUN: %clang_cc1 -verify -fopenmp=libiomp5 %s
+
+void foo() {
+}
+
+struct S1; // expected-note 2 {{declared here}}
+class S2 {
+  mutable int a;
+
+public:
+  S2() : a(0) {}
+  S2 &operator=(S2 &s2) { return *this; }
+};
+class S3 {
+  int a;
+
+public:
+  S3() : a(0) {}
+  S3 &operator=(S3 &s3) { return *this; }
+};
+class S4 { // expected-note 2 {{'S4' declared here}}
+  int a;
+  S4();
+  S4 &operator=(const S4 &s4);
+
+public:
+  S4(int v) : a(v) {}
+};
+class S5 { // expected-note 2 {{'S5' declared here}}
+  int a;
+  S5() : a(0) {}
+  S5 &operator=(const S5 &s5) { return *this; }
+
+public:
+  S5(int v) : a(v) {}
+};
+
+S2 k;
+S3 h;
+S4 l(3); // expected-note 2 {{'l' defined here}}
+S5 m(4); // expected-note 2 {{'m' defined here}}
+#pragma omp threadprivate(h, k, l, m)
+
+template <class T, class C>
+T tmain(T argc, C **argv) {
+  T i;
+#pragma omp parallel
+#pragma omp single copyprivate // expected-error {{expected '(' after 'copyprivate'}}
+#pragma omp parallel
+#pragma omp single copyprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+#pragma omp parallel
+#pragma omp single copyprivate() // expected-error {{expected expression}}
+#pragma omp parallel
+#pragma omp single copyprivate(k // expected-error {{expected ')'}} expected-note {{to match this '('}}
+#pragma omp parallel
+#pragma omp single copyprivate(h, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+#pragma omp parallel
+#pragma omp single copyprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+#pragma omp parallel
+#pragma omp single copyprivate(l) // expected-error {{copyprivate variable must have an accessible, unambiguous copy assignment operator}}
+#pragma omp parallel
+#pragma omp single copyprivate(S1) // expected-error {{'S1' does not refer to a value}}
+#pragma omp parallel
+#pragma omp single copyprivate(argv[1]) // expected-error {{expected variable name}}
+#pragma omp parallel // expected-note {{implicitly determined as shared}}
+#pragma omp single copyprivate(i) // expected-error {{copyprivate variable must be threadprivate or private in the enclosing context}}
+#pragma omp parallel
+#pragma omp single copyprivate(m) // expected-error {{copyprivate variable must have an accessible, unambiguous copy assignment operator}}
+  foo();
+#pragma omp parallel private(i)
+  {
+#pragma omp single copyprivate(i)
+    foo();
+  }
+#pragma omp parallel shared(i) // expected-note {{defined as shared}}
+  {
+#pragma omp single copyprivate(i) // expected-error {{copyprivate variable must be threadprivate or private in the enclosing context}}
+    foo();
+  }
+#pragma omp parallel private(i)
+#pragma omp parallel default(shared) // expected-note {{implicitly determined as shared}}
+  {
+#pragma omp single copyprivate(i) // expected-error {{copyprivate variable must be threadprivate or private in the enclosing context}}
+    foo();
+  }
+#pragma omp parallel private(i)
+#pragma omp parallel // expected-note {{implicitly determined as shared}}
+  {
+#pragma omp single copyprivate(i) // expected-error {{copyprivate variable must be threadprivate or private in the enclosing context}}
+    foo();
+  }
+#pragma omp parallel
+#pragma omp single private(i) copyprivate(i) // expected-error {{private variable cannot be copyprivate}} expected-note {{defined as private}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(i) copyprivate(i) // expected-error {{firstprivate variable cannot be copyprivate}} expected-note {{defined as firstprivate}}
+  foo();
+
+  return T();
+}
+
+int main(int argc, char **argv) {
+  int i;
+#pragma omp parallel
+#pragma omp single copyprivate // expected-error {{expected '(' after 'copyprivate'}}
+#pragma omp parallel
+#pragma omp single copyprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+#pragma omp parallel
+#pragma omp single copyprivate() // expected-error {{expected expression}}
+#pragma omp parallel
+#pragma omp single copyprivate(k // expected-error {{expected ')'}} expected-note {{to match this '('}}
+#pragma omp parallel
+#pragma omp single copyprivate(h, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+#pragma omp parallel
+#pragma omp single copyprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+#pragma omp parallel
+#pragma omp single copyprivate(l) // expected-error {{copyprivate variable must have an accessible, unambiguous copy assignment operator}}
+#pragma omp parallel
+#pragma omp single copyprivate(S1) // expected-error {{'S1' does not refer to a value}}
+#pragma omp parallel
+#pragma omp single copyprivate(argv[1]) // expected-error {{expected variable name}}
+#pragma omp parallel // expected-note {{implicitly determined as shared}}
+#pragma omp single copyprivate(i) // expected-error {{copyprivate variable must be threadprivate or private in the enclosing context}}
+#pragma omp parallel
+#pragma omp single copyprivate(m) // expected-error {{copyprivate variable must have an accessible, unambiguous copy assignment operator}}
+  foo();
+#pragma omp parallel private(i)
+  {
+#pragma omp single copyprivate(i)
+    foo();
+  }
+#pragma omp parallel shared(i) // expected-note {{defined as shared}}
+  {
+#pragma omp single copyprivate(i) // expected-error {{copyprivate variable must be threadprivate or private in the enclosing context}}
+    foo();
+  }
+#pragma omp parallel private(i)
+#pragma omp parallel default(shared) // expected-note {{implicitly determined as shared}}
+  {
+#pragma omp single copyprivate(i) // expected-error {{copyprivate variable must be threadprivate or private in the enclosing context}}
+    foo();
+  }
+#pragma omp parallel private(i)
+#pragma omp parallel // expected-note {{implicitly determined as shared}}
+  {
+#pragma omp single copyprivate(i) // expected-error {{copyprivate variable must be threadprivate or private in the enclosing context}}
+    foo();
+  }
+#pragma omp parallel
+#pragma omp single private(i) copyprivate(i) // expected-error {{private variable cannot be copyprivate}} expected-note {{defined as private}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(i) copyprivate(i) // expected-error {{firstprivate variable cannot be copyprivate}} expected-note {{defined as firstprivate}}
+  foo();
+
+  return tmain(argc, argv); // expected-note {{in instantiation of function template specialization 'tmain<int, char>' requested here}}
+}