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

llvm-svn: 212516

1 files changed, 204 insertions, 0 deletions

diff --git a/clang/test/OpenMP/parallel_sections_private_messages.cpp b/clang/test/OpenMP/parallel_sections_private_messages.cpp
new file mode 100644
index 00000000000..9bcae8314f9
--- /dev/null
+++ b/clang/test/OpenMP/parallel_sections_private_messages.cpp
@@ -0,0 +1,204 @@
+// RUN: %clang_cc1 -verify -fopenmp=libiomp5 %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note 2 {{declared here}} expected-note 2 {{forward declaration of 'S1'}}
+extern S1 a;
+class S2 {
+  mutable int a;
+
+public:
+  S2() : a(0) {}
+};
+const S2 b;
+const S2 ba[5];
+class S3 {
+  int a;
+
+public:
+  S3() : a(0) {}
+};
+const S3 ca[5];
+class S4 { // expected-note {{'S4' declared here}}
+  int a;
+  S4();
+
+public:
+  S4(int v) : a(v) {}
+};
+class S5 { // expected-note {{'S5' declared here}}
+  int a;
+  S5() : a(0) {}
+
+public:
+  S5(int v) : a(v) {}
+};
+
+S3 h;
+#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
+
+template <class I, class C>
+int foomain(I argc, C **argv) {
+  I e(4);
+  I g(5);
+  int i;
+  int &j = i;                         // expected-note {{'j' defined here}}
+#pragma omp parallel sections private // expected-error {{expected '(' after 'private'}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private() // expected-error {{expected expression}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private(argc)
+  {
+    foo();
+  }
+#pragma omp parallel sections private(S1) // expected-error {{'S1' does not refer to a value}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private(a, b) // expected-error {{private variable with incomplete type 'S1'}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private(argv[1]) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private(e, g)
+  {
+    foo();
+  }
+#pragma omp parallel sections private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
+  {
+    foo();
+  }
+#pragma omp parallel sections copyprivate(i) // expected-error {{unexpected OpenMP clause 'copyprivate' in directive '#pragma omp parallel sections'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+  {
+    int v = 0;
+    int i;
+#pragma omp parallel sections private(i)
+    {
+      foo();
+    }
+    v += i;
+  }
+#pragma omp parallel shared(i)
+#pragma omp parallel private(i)
+#pragma omp parallel sections private(j) // expected-error {{arguments of OpenMP clause 'private' cannot be of reference type}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private(i)
+  {
+    foo();
+  }
+  return 0;
+}
+
+int main(int argc, char **argv) {
+  S4 e(4); // expected-note {{'e' defined here}}
+  S5 g(5); // expected-note {{'g' defined here}}
+  int i;
+  int &j = i;                         // expected-note {{'j' defined here}}
+#pragma omp parallel sections private // expected-error {{expected '(' after 'private'}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private() // expected-error {{expected expression}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private(argc)
+  {
+    foo();
+  }
+#pragma omp parallel sections private(S1) // expected-error {{'S1' does not refer to a value}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private(a, b) // expected-error {{private variable with incomplete type 'S1'}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private(argv[1]) // expected-error {{expected variable name}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private(e, g) // expected-error 2 {{private variable must have an accessible, unambiguous default constructor}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
+  {
+    foo();
+  }
+#pragma omp parallel sections copyprivate(i) // expected-error {{unexpected OpenMP clause 'copyprivate' in directive '#pragma omp parallel sections'}}
+  {
+    foo();
+  }
+#pragma omp parallel
+  {
+    int i;
+#pragma omp parallel sections private(i)
+    {
+      foo();
+    }
+  }
+#pragma omp parallel shared(i)
+#pragma omp parallel private(i)
+#pragma omp parallel sections private(j) // expected-error {{arguments of OpenMP clause 'private' cannot be of reference type}}
+  {
+    foo();
+  }
+#pragma omp parallel sections private(i)
+  {
+    foo();
+  }
+
+  return 0;
+}
+