[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, 127 insertions, 0 deletions

diff --git a/clang/test/OpenMP/teams_distribute_simd_shared_messages.cpp b/clang/test/OpenMP/teams_distribute_simd_shared_messages.cpp
new file mode 100644
index 00000000000..cd963e8469a
--- /dev/null
+++ b/clang/test/OpenMP/teams_distribute_simd_shared_messages.cpp
@@ -0,0 +1,127 @@
+// RUN: %clang_cc1 -verify -fopenmp %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note {{declared here}}
+extern S1 a;
+class S2 {
+  mutable int a;
+public:
+  S2():a(0) { }
+  S2(S2 &s2):a(s2.a) { }
+};
+const S2 b;
+const S2 ba[5];
+class S3 {
+  int a;
+public:
+  S3():a(0) { }
+  S3(S3 &s3):a(s3.a) { }
+};
+const S3 c;
+const S3 ca[5];
+extern const int f;
+class S4 {
+  int a;
+  S4();
+  S4(const S4 &s4);
+public:
+  S4(int v):a(v) { }
+};
+class S5 {
+  int a;
+  S5():a(0) {}
+  S5(const S5 &s5):a(s5.a) { }
+public:
+  S5(int v):a(v) { }
+};
+
+S3 h;
+#pragma omp threadprivate(h) // expected-note {{defined as threadprivate or thread local}}
+
+namespace A {
+double x;
+#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
+}
+namespace B {
+using A::x;
+}
+
+int main(int argc, char **argv) {
+  const int d = 5;
+  const int da[5] = { 0 };
+  S4 e(4);
+  S5 g(5);
+  int i;
+  int &j = i;
+  #pragma omp target
+  #pragma omp teams distribute simd shared // expected-error {{expected '(' after 'shared'}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd shared ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd shared () // expected-error {{expected expression}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd shared (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd shared (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd shared (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd shared (argc)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd shared (S1) // expected-error {{'S1' does not refer to a value}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd shared (a, b, c, d, f)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd shared (argv[1]) // expected-error {{expected variable name}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd shared(ba)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd shared(ca)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd shared(da)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd shared(e, g)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd shared(h, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be shared}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd private(i), shared(i) // expected-error {{private variable cannot be shared}} expected-note {{defined as private}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd firstprivate(i), shared(i) // expected-error {{firstprivate variable cannot be shared}} expected-note {{defined as firstprivate}}
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd private(i)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd shared(i)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd shared(j)
+  for (int j=0; j<100; j++) foo();
+  #pragma omp target
+  #pragma omp teams distribute simd firstprivate(i)
+  for (int j=0; j<100; j++) foo();
+
+  return 0;
+}