[OPENMP] Initial support for '#pragma omp for' (fixed incompatibility with MSVC).

llvm-svn: 211140

1 files changed, 134 insertions, 0 deletions

diff --git a/clang/test/OpenMP/for_private_messages.cpp b/clang/test/OpenMP/for_private_messages.cpp
new file mode 100644
index 00000000000..f955e87692f
--- /dev/null
+++ b/clang/test/OpenMP/for_private_messages.cpp
@@ -0,0 +1,134 @@
+// 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 for private // expected-error {{expected '(' after 'private'}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private () // expected-error {{expected expression}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private (argc)
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private (S1) // expected-error {{'S1' does not refer to a value}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private (a, b) // expected-error {{private variable with incomplete type 'S1'}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private (argv[1]) // expected-error {{expected variable name}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private(e, g)
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for shared(i) // expected-error {{unexpected OpenMP clause 'shared' in directive '#pragma omp for'}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp parallel
+  {
+    int v = 0;
+    int i;
+    #pragma omp for private(i)
+    for (int k = 0; k < argc; ++k) { i = k; v += i; }
+  }
+  #pragma omp parallel shared(i)
+  #pragma omp parallel private(i)
+  #pragma omp for private(j) // expected-error {{arguments of OpenMP clause 'private' cannot be of reference type}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private(i)
+  for (int k = 0; k < argc; ++k) ++k;
+  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 for private // expected-error {{expected '(' after 'private'}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private () // expected-error {{expected expression}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private (argc)
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private (S1) // expected-error {{'S1' does not refer to a value}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private (a, b) // expected-error {{private variable with incomplete type 'S1'}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private (argv[1]) // expected-error {{expected variable name}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private(e, g) // expected-error 2 {{private variable must have an accessible, unambiguous default constructor}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for shared(i) // expected-error {{unexpected OpenMP clause 'shared' in directive '#pragma omp for'}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp parallel
+  {
+    int i;
+    #pragma omp for private(i)
+    for (int k = 0; k < argc; ++k) ++k;
+  }
+  #pragma omp parallel shared(i)
+  #pragma omp parallel private(i)
+  #pragma omp for private(j) // expected-error {{arguments of OpenMP clause 'private' cannot be of reference type}}
+  for (int k = 0; k < argc; ++k) ++k;
+  #pragma omp for private(i)
+  for (int k = 0; k < argc; ++k) ++k;
+
+  return 0;
+}
+