[OpenMP] Sema and parsing for 'target teams distribute' pragma

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

Differential Revision: https://reviews.llvm.org/D28015


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@290508 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 85 insertions, 0 deletions

diff --git a/test/OpenMP/target_teams_distribute_num_teams_messages.cpp b/test/OpenMP/target_teams_distribute_num_teams_messages.cpp
new file mode 100644
index 0000000000..9b36e9c581
--- /dev/null
+++ b/test/OpenMP/target_teams_distribute_num_teams_messages.cpp
@@ -0,0 +1,85 @@
+// RUN: %clang_cc1 -verify -fopenmp -std=c++11 -ferror-limit 100 -o - %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+  return argc;
+}
+
+struct S1; // expected-note 2 {{declared here}}
+
+template <typename T, int C> // expected-note {{declared here}}
+T tmain(T argc) {
+  char **a;
+#pragma omp target teams distribute num_teams(C)
+  for (int i=0; i<100; i++) foo();
+#pragma omp target teams distribute num_teams(T) // expected-error {{'T' does not refer to a value}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target teams distribute num_teams // expected-error {{expected '(' after 'num_teams'}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target teams distribute num_teams( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target teams distribute num_teams() // expected-error {{expected expression}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target teams distribute num_teams(argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target teams distribute num_teams(argc)) // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute' are ignored}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target teams distribute num_teams(argc > 0 ? a[1] : a[2]) // expected-error {{expression must have integral or unscoped enumeration type, not 'char *'}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target teams distribute num_teams(argc + argc)
+  for (int i=0; i<100; i++) foo();
+#pragma omp target teams distribute num_teams(argc), num_teams (argc+1) // expected-error {{directive '#pragma omp target teams distribute' cannot contain more than one 'num_teams' clause}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target teams distribute num_teams(S1) // expected-error {{'S1' does not refer to a value}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target teams distribute num_teams(-2) // expected-error {{argument to 'num_teams' clause must be a strictly positive integer value}}
+  for (int i=0; i<100; i++) foo();
+#pragma omp target teams distribute num_teams(-10u)
+  for (int i=0; i<100; i++) foo();
+#pragma omp target teams distribute num_teams(3.14) // expected-error 2 {{expression must have integral or unscoped enumeration type, not 'double'}}
+  for (int i=0; i<100; i++) foo();
+
+  return 0;
+}
+
+int main(int argc, char **argv) {
+#pragma omp target teams distribute num_teams // expected-error {{expected '(' after 'num_teams'}}
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target teams distribute num_teams ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target teams distribute num_teams () // expected-error {{expected expression}}
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target teams distribute num_teams (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target teams distribute num_teams (argc)) // expected-warning {{extra tokens at the end of '#pragma omp target teams distribute' are ignored}}
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target teams distribute num_teams (argc > 0 ? argv[1] : argv[2]) // expected-error {{expression must have integral or unscoped enumeration type, not 'char *'}}
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target teams distribute num_teams (argc + argc)
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target teams distribute num_teams (argc), num_teams (argc+1) // expected-error {{directive '#pragma omp target teams distribute' cannot contain more than one 'num_teams' clause}}
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target teams distribute num_teams (S1) // expected-error {{'S1' does not refer to a value}}
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target teams distribute num_teams (-2) // expected-error {{argument to 'num_teams' clause must be a strictly positive integer value}}
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target teams distribute num_teams (-10u)
+  for (int i=0; i<100; i++) foo();
+
+#pragma omp target teams distribute num_teams (3.14) // expected-error {{expression must have integral or unscoped enumeration type, not 'double'}}
+  for (int i=0; i<100; i++) foo();
+
+  return tmain<int, 10>(argc); // expected-note {{in instantiation of function template specialization 'tmain<int, 10>' requested here}}
+}