[OpenMP] Sema and parsing for 'teams distribute simd’ pragma

This patch is to implement sema and parsing for 'teams distribute simd’ pragma.

This patch is originated by Carlo Bertolli.

Differential Revision: https://reviews.llvm.org/D23528

llvm-svn: 279003

1 files changed, 146 insertions, 0 deletions

diff --git a/clang/test/OpenMP/teams_distribute_simd_private_messages.cpp b/clang/test/OpenMP/teams_distribute_simd_private_messages.cpp
new file mode 100644
index 00000000000..90442130d26
--- /dev/null
+++ b/clang/test/OpenMP/teams_distribute_simd_private_messages.cpp
@@ -0,0 +1,146 @@
+// RUN: %clang_cc1 -verify -fopenmp %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; // expected-note {{predetermined as shared}}
+};
+const S2 b;
+const S2 ba[5];
+class S3 {
+  int a;
+public:
+  S3():a(0) { }
+};
+const S3 c; // expected-note {{predetermined as shared}}
+const S3 ca[5]; // expected-note {{predetermined as shared}}
+extern const int f;  // expected-note {{predetermined as shared}}
+class S4 {
+  int a;
+  S4(); // expected-note {{implicitly declared private here}}
+public:
+  S4(int v):a(v) { }
+};
+class S5 { 
+  int a;
+  S5():a(0) {} // expected-note {{implicitly declared private here}}
+public:
+  S5(int v):a(v) { }
+};
+
+S3 h;
+#pragma omp threadprivate(h) // expected-note {{defined as threadprivate or thread local}}
+
+
+int main(int argc, char **argv) {
+  const int d = 5;  // expected-note {{predetermined as shared}}
+  const int da[5] = { 0 }; // expected-note {{predetermined as shared}}
+  S4 e(4);
+  S5 g(5);
+  int i;
+  int &j = i;
+
+  #pragma omp target
+  #pragma omp teams distribute simd private // expected-error {{expected '(' after 'private'}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd private ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd private () // expected-error {{expected expression}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd private (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd private (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd private (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd private (argc)
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd private (S1) // expected-error {{'S1' does not refer to a value}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd private (a, b, c, d, f) // expected-error {{private variable with incomplete type 'S1'}} expected-error 3 {{shared variable cannot be private}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd private (argv[1]) // expected-error {{expected variable name}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd private(ba)
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd private(ca) // expected-error {{shared variable cannot be private}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd private(da) // expected-error {{shared variable cannot be private}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd private(S2::S2s) // expected-error {{shared variable cannot be private}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd private(e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd private(h) // expected-error {{threadprivate or thread local variable cannot be private}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd shared(i)
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd firstprivate(i), private(i) // expected-error {{firstprivate variable cannot be private}} expected-note {{defined as firstprivate}}
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd private(j)
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp target
+  #pragma omp teams distribute simd reduction(+:i)
+  for (int k = 0; k < argc; ++k) ++k;
+
+  #pragma omp distribute private(i)
+  for (int k = 0; k < 10; ++k) {
+    #pragma omp target
+    #pragma omp teams distribute simd private(i)
+    for (int x = 0; x < 10; ++x) foo();
+  }
+
+  #pragma omp target
+  #pragma omp teams distribute simd firstprivate(i)
+  for (int k = 0; k < 10; ++k) {
+  }
+
+  return 0;
+}