[OPENMP] Initial parsing and sema analysis for 'single' directive.

llvm-svn: 211774

1 files changed, 239 insertions, 0 deletions

diff --git a/clang/test/OpenMP/single_firstprivate_messages.cpp b/clang/test/OpenMP/single_firstprivate_messages.cpp
new file mode 100644
index 00000000000..6d4988254fb
--- /dev/null
+++ b/clang/test/OpenMP/single_firstprivate_messages.cpp
@@ -0,0 +1,239 @@
+// 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) {}
+  S2(S2 &s2) : a(s2.a) {}
+  static float S2s;
+  static const float S2sc;
+};
+const float S2::S2sc = 0;
+const S2 b;
+const S2 ba[5];
+class S3 {
+  int a;
+  S3 &operator=(const S3 &s3);
+
+public:
+  S3() : a(0) {}
+  S3(S3 &s3) : a(s3.a) {}
+};
+const S3 c;
+const S3 ca[5];
+extern const int f;
+class S4 { // expected-note 2 {{'S4' declared here}}
+  int a;
+  S4();
+  S4(const S4 &s4);
+
+public:
+  S4(int v) : a(v) {}
+};
+class S5 { // expected-note 4 {{'S5' declared here}}
+  int a;
+  S5(const S5 &s5) : a(s5.a) {}
+
+public:
+  S5() : a(0) {}
+  S5(int v) : a(v) {}
+};
+class S6 {
+  int a;
+  S6() : a(0) {}
+
+public:
+  S6(const S6 &s6) : a(s6.a) {}
+  S6(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(int argc, char **argv) {
+  I e(4); // expected-note {{'e' defined here}}
+  C g(5); // expected-note 2 {{'g' defined here}}
+  int i;
+  int &j = i; // expected-note {{'j' defined here}}
+#pragma omp parallel
+#pragma omp single firstprivate // expected-error {{expected '(' after 'firstprivate'}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate() // expected-error {{expected expression}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(argc)
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(a, b) // expected-error {{firstprivate variable with incomplete type 'S1'}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(argv[1]) // expected-error {{expected variable name}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(e, g) // expected-error 2 {{firstprivate variable must have an accessible, unambiguous copy constructor}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
+  foo();
+#pragma omp parallel
+#pragma omp single linear(i) // expected-error {{unexpected OpenMP clause 'linear' in directive '#pragma omp single'}}
+  foo();
+#pragma omp parallel
+  {
+    int v = 0;
+    int i;                         // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp single' directive into a parallel or another task region?}}
+#pragma omp single firstprivate(i) // expected-error {{private variable cannot be firstprivate}}
+    foo();
+    v += i;
+  }
+#pragma omp parallel shared(i)
+#pragma omp parallel private(i)
+#pragma omp single firstprivate(j) // expected-error {{arguments of OpenMP clause 'firstprivate' cannot be of reference type}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(i)
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(g) // expected-error {{firstprivate variable must have an accessible, unambiguous copy constructor}}
+  foo();
+#pragma omp parallel private(i)    // expected-note {{defined as private}}
+#pragma omp single firstprivate(i) // expected-error {{firstprivate variable must be shared}}
+  foo();
+#pragma omp parallel reduction(+ : i) // expected-note {{defined as reduction}}
+#pragma omp single firstprivate(i)    // expected-error {{firstprivate variable must be shared}}
+  foo();
+  return 0;
+}
+
+int main(int argc, char **argv) {
+  const int d = 5;
+  const int da[5] = {0};
+  S4 e(4); // expected-note {{'e' defined here}}
+  S5 g(5); // expected-note 2 {{'g' defined here}}
+  S3 m;
+  S6 n(2);
+  int i;
+  int &j = i; // expected-note {{'j' defined here}}
+#pragma omp parallel
+#pragma omp single firstprivate // expected-error {{expected '(' after 'firstprivate'}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate() // expected-error {{expected expression}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(argc)
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(S1) // expected-error {{'S1' does not refer to a value}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(argv[1]) // expected-error {{expected variable name}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(2 * 2) // expected-error {{expected variable name}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(ba) // OK
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(ca) // OK
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(da) // OK
+  foo();
+  int xa;
+#pragma omp parallel
+#pragma omp single firstprivate(xa) // OK
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(S2::S2s) // OK
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(S2::S2sc) // OK
+  foo();
+#pragma omp parallel
+#pragma omp single safelen(5) // expected-error {{unexpected OpenMP clause 'safelen' in directive '#pragma omp single'}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(e, g) // expected-error 2 {{firstprivate variable must have an accessible, unambiguous copy constructor}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(m) // OK
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
+  foo();
+#pragma omp parallel
+#pragma omp single private(xa), firstprivate(xa) // expected-error {{private variable cannot be firstprivate}} expected-note {{defined as private}}
+  foo();
+#pragma omp parallel shared(xa)
+#pragma omp single firstprivate(xa) // OK: may be firstprivate
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(j) // expected-error {{arguments of OpenMP clause 'firstprivate' cannot be of reference type}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(g) // expected-error {{firstprivate variable must have an accessible, unambiguous copy constructor}}
+  foo();
+#pragma omp parallel
+#pragma omp single firstprivate(n) // OK
+  foo();
+#pragma omp parallel
+  {
+    int v = 0;
+    int i;                         // expected-note {{variable with automatic storage duration is predetermined as private; perhaps you forget to enclose 'omp single' directive into a parallel or another task region?}}
+#pragma omp single firstprivate(i) // expected-error {{private variable cannot be firstprivate}}
+    foo();
+    v += i;
+  }
+#pragma omp parallel private(i)    // expected-note {{defined as private}}
+#pragma omp single firstprivate(i) // expected-error {{firstprivate variable must be shared}}
+  foo();
+#pragma omp parallel reduction(+ : i) // expected-note {{defined as reduction}}
+#pragma omp single firstprivate(i)    // expected-error {{firstprivate variable must be shared}}
+  foo();
+
+  return foomain<S4, S5>(argc, argv); // expected-note {{in instantiation of function template specialization 'foomain<S4, S5>' requested here}}
+}