OpenMP: basic support for #pragma omp parallel

llvm-svn: 186647

5 files changed, 120 insertions, 3 deletions

diff --git a/clang/test/OpenMP/parallel_ast_print.cpp b/clang/test/OpenMP/parallel_ast_print.cpp
new file mode 100644
index 00000000000..44108e7ec2f
--- /dev/null
+++ b/clang/test/OpenMP/parallel_ast_print.cpp
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -verify -fopenmp -ast-print %s | FileCheck %s
+// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -emit-pch -o %t %s
+// RUN: %clang_cc1 -fopenmp -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print | FileCheck %s
+// expected-no-diagnostics
+
+#ifndef HEADER
+#define HEADER
+
+void foo() {}
+
+int main (int argc, char **argv) {
+  int b = argc, c, d, e, f, g;
+  static int a;
+// CHECK: static int a;
+#pragma omp parallel
+// CHECK-NEXT: #pragma omp parallel
+  a=2;
+// CHECK-NEXT: a = 2;
+#pragma omp parallel default(none), private(argc,b)
+// CHECK-NEXT: #pragma omp parallel default(none) private(argc,b)
+  foo();
+// CHECK-NEXT: foo();
+  return (0);
+}
+
+#endif
diff --git a/clang/test/OpenMP/parallel_default_messages.cpp b/clang/test/OpenMP/parallel_default_messages.cpp
new file mode 100644
index 00000000000..e5e25721102
--- /dev/null
+++ b/clang/test/OpenMP/parallel_default_messages.cpp
@@ -0,0 +1,15 @@
+// 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 parallel default // expected-error {{expected '(' after 'default'}}
+  #pragma omp parallel default ( // expected-error {{expected 'none' or 'shared' in OpenMP clause 'default'}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp parallel default () // expected-error {{expected 'none' or 'shared' in OpenMP clause 'default'}}
+  #pragma omp parallel default (none // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp parallel default (shared), default(shared) // expected-error {{directive '#pragma omp parallel' cannot contain more than one 'default' clause}}
+  #pragma omp parallel default (x) // expected-error {{expected 'none' or 'shared' in OpenMP clause 'default'}}
+  foo();
+
+  return 0;
+}
diff --git a/clang/test/OpenMP/parallel_private_messages.cpp b/clang/test/OpenMP/parallel_private_messages.cpp
new file mode 100644
index 00000000000..e64fac8003b
--- /dev/null
+++ b/clang/test/OpenMP/parallel_private_messages.cpp
@@ -0,0 +1,69 @@
+// RUN: %clang_cc1 -triple x86_64-apple-macos10.7.0 -verify -fopenmp -ferror-limit 100 %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note {{declared here}} expected-note{{forward declaration of 'S1'}}
+extern S1 a;
+class S2 {
+  mutable int a;
+public:
+  S2():a(0) { }
+  static float S2s;
+};
+const S2 b;
+const S2 ba[5];
+class S3 {
+  int a;
+public:
+  S3():a(0) { }
+};
+const S3 c;
+const S3 ca[5];
+extern const int f;
+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) { }
+};
+
+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 {{'g' defined here}}
+  int i;
+  int &j = i; // expected-note {{'j' defined here}}
+  #pragma omp parallel private // expected-error {{expected '(' after 'private'}}
+  #pragma omp parallel private ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp parallel private () // expected-error {{expected expression}}
+  #pragma omp parallel private (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp parallel private (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  #pragma omp parallel private (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  #pragma omp parallel private (argc argv) // expected-error {{expected ',' or ')' in 'private' clause}}
+  #pragma omp parallel private (S1) // expected-error {{'S1' does not refer to a value}}
+  #pragma omp parallel private (a, b, c, d, f) // expected-error {{a private variable with incomplete type 'S1'}}
+  #pragma omp parallel private (argv[1]) // expected-error {{expected variable name}}
+  #pragma omp parallel private(ba)
+  #pragma omp parallel private(ca)
+  #pragma omp parallel private(da)
+  #pragma omp parallel private(S2::S2s)
+  #pragma omp parallel private(e, g) // expected-error 2 {{private variable must have an accessible, unambiguous default constructor}}
+  foo();
+  #pragma omp parallel private(i)
+  #pragma omp parallel private(j) // expected-error {{arguments of OpenMP clause 'private' cannot be of reference type 'int &'}}
+  foo();
+
+  return 0;
+}
diff --git a/clang/test/OpenMP/threadprivate_ast_print.cpp b/clang/test/OpenMP/threadprivate_ast_print.cpp
index deb829e9267..ddf488250aa 100644
--- a/clang/test/OpenMP/threadprivate_ast_print.cpp
+++ b/clang/test/OpenMP/threadprivate_ast_print.cpp
@@ -1,6 +1,11 @@
 // RUN: %clang_cc1 -verify -fopenmp -ast-print %s | FileCheck %s
+// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -emit-pch -o %t
+// RUN: %clang_cc1 -fopenmp -std=c++11 -include-pch %t -fsyntax-only -verify %s -ast-print
 // expected-no-diagnostics
 
+#ifndef HEADER
+#define HEADER
+
 struct St{
  int a;
 };
@@ -41,3 +46,5 @@ int main () {
   a=2;
   return (foo<int>());
 }
+
+#endif
diff --git a/clang/test/OpenMP/threadprivate_messages.cpp b/clang/test/OpenMP/threadprivate_messages.cpp
index 1bfba6d8643..bfa596db344 100644
--- a/clang/test/OpenMP/threadprivate_messages.cpp
+++ b/clang/test/OpenMP/threadprivate_messages.cpp
@@ -1,6 +1,6 @@
 // RUN: %clang_cc1 -triple x86_64-apple-macos10.7.0 -verify -fopenmp -ferror-limit 100 %s
 
-#pragma omp threadprivate // expected-error {{expected '(' after 'threadprivate'}} expected-error {{expected identifier}}
+#pragma omp threadprivate // expected-error {{expected '(' after 'threadprivate'}}
 #pragma omp threadprivate( // expected-error {{expected identifier}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 #pragma omp threadprivate() // expected-error {{expected identifier}}
 #pragma omp threadprivate(1) // expected-error {{expected unqualified-id}}
@@ -24,7 +24,7 @@ int foo() { // expected-note {{declared here}}
   return (a);
 }
 
-#pragma omp threadprivate a // expected-error {{expected '(' after 'threadprivate'}} expected-error {{'#pragma omp threadprivate' must precede all references to variable 'a'}}
+#pragma omp threadprivate a // expected-error {{expected '(' after 'threadprivate'}}
 #pragma omp threadprivate(d // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{'#pragma omp threadprivate' must precede all references to variable 'd'}}
 #pragma omp threadprivate(d)) // expected-error {{'#pragma omp threadprivate' must precede all references to variable 'd'}} expected-warning {{extra tokens at the end of '#pragma omp threadprivate' are ignored}}
 int x, y;
@@ -44,7 +44,7 @@ extern IncompleteSt e;
 #pragma omp threadprivate (e) // expected-error {{threadprivate variable with incomplete type 'IncompleteSt'}}
 
 int &f = a; // expected-note {{'f' defined here}}
-#pragma omp threadprivate (f) // expected-error {{arguments of '#pragma omp threadprivate' cannot be of reference type}}
+#pragma omp threadprivate (f) // expected-error {{arguments of '#pragma omp threadprivate' cannot be of reference type 'int &'}}
 
 class Class {
   private: