[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, 152 insertions, 0 deletions

diff --git a/clang/test/OpenMP/teams_distribute_simd_firstprivate_messages.cpp b/clang/test/OpenMP/teams_distribute_simd_firstprivate_messages.cpp
new file mode 100644
index 00000000000..324672c1412
--- /dev/null
+++ b/clang/test/OpenMP/teams_distribute_simd_firstprivate_messages.cpp
@@ -0,0 +1,152 @@
+// 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) {}
+  S2(const 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) {} // expected-note {{candidate constructor not viable: requires 0 arguments, but 1 was provided}}
+  S3(S3 &s3) : a(s3.a) {} // expected-note {{candidate constructor not viable: 1st argument ('const S3') would lose const qualifier}}
+};
+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) { }
+};
+class S6 {
+  int a;
+public:
+  S6() : a(0) { }
+};
+
+S3 h;
+#pragma omp threadprivate(h) // expected-note {{defined as threadprivate or thread local}}
+
+int main(int argc, char **argv) {
+  const int d = 5;
+  const int da[5] = { 0 };
+  S4 e(4);
+  S5 g(5);
+  S6 p;
+  int i;
+  int &j = i;
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate // expected-error {{expected '(' after 'firstprivate'}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate () // expected-error {{expected expression}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate (argc)
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate (S1) // expected-error {{'S1' does not refer to a value}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate (a, b, c, d, f) // expected-error {{firstprivate variable with incomplete type 'S1'}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate (argv[1]) // expected-error {{expected variable name}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate(ba)
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate(ca) // expected-error {{no matching constructor for initialization of 'S3'}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate(da)
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate(S2::S2s)
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate(S2::S2sc)
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate(h) // expected-error {{threadprivate or thread local variable cannot be firstprivate}}
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute simd private(i), firstprivate(i) // expected-error {{private variable cannot be firstprivate}} expected-note 2 {{defined as private}}
+  for (i = 0; i < argc; ++i) foo(); // expected-error {{loop iteration variable in the associated loop of 'omp teams distribute simd' directive may not be private, predetermined as linear}}
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate(i)
+  for (j = 0; j < argc; ++j) foo();
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate(i) // expected-note {{defined as firstprivate}}
+  for (i = 0; i < argc; ++i) foo(); // expected-error {{loop iteration variable in the associated loop of 'omp teams distribute simd' directive may not be firstprivate, predetermined as linear}}
+
+#pragma omp target
+#pragma omp teams distribute simd firstprivate(j)
+  for (i = 0; i < argc; ++i) foo();
+
+#pragma omp target
+#pragma omp teams distribute simd lastprivate(argc), firstprivate(argc) // OK
+  for (i = 0; i < argc; ++i) foo();
+
+  return 0;
+}