[OpenMP] Initial implementation of teams distribute code generation

https://reviews.llvm.org/D38371

This patch implements codegen for the combined 'teams distribute" OpenMP pragma and adds regression tests for all its clauses.

llvm-svn: 314905
diff --git a/clang/lib/Basic/OpenMPKinds.cpp b/clang/lib/Basic/OpenMPKinds.cpp
index 5eea4b5..b5f66e0 100644
--- a/clang/lib/Basic/OpenMPKinds.cpp
+++ b/clang/lib/Basic/OpenMPKinds.cpp
@@ -890,6 +890,9 @@
     CaptureRegions.push_back(OMPD_target);
     CaptureRegions.push_back(OMPD_teams);
     break;
+  case OMPD_teams_distribute:
+    CaptureRegions.push_back(OMPD_teams);
+    break;
   case OMPD_teams:
   case OMPD_simd:
   case OMPD_for:
@@ -913,7 +916,6 @@
   case OMPD_taskloop_simd:
   case OMPD_distribute_parallel_for_simd:
   case OMPD_distribute_simd:
-  case OMPD_teams_distribute:
   case OMPD_teams_distribute_simd:
   case OMPD_teams_distribute_parallel_for_simd:
   case OMPD_teams_distribute_parallel_for: