[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

llvm-svn: 290508
diff --git a/clang/lib/CodeGen/CGStmt.cpp b/clang/lib/CodeGen/CGStmt.cpp
index 5b426b8..0100dc2 100644
--- a/clang/lib/CodeGen/CGStmt.cpp
+++ b/clang/lib/CodeGen/CGStmt.cpp
@@ -318,6 +318,10 @@
   case Stmt::OMPTargetTeamsDirectiveClass:
     EmitOMPTargetTeamsDirective(cast<OMPTargetTeamsDirective>(*S));
     break;
+  case Stmt::OMPTargetTeamsDistributeDirectiveClass:
+    EmitOMPTargetTeamsDistributeDirective(
+        cast<OMPTargetTeamsDistributeDirective>(*S));
+    break;
   }
 }
 
diff --git a/clang/lib/CodeGen/CGStmtOpenMP.cpp b/clang/lib/CodeGen/CGStmtOpenMP.cpp
index 0ca7f34..fad8b73 100644
--- a/clang/lib/CodeGen/CGStmtOpenMP.cpp
+++ b/clang/lib/CodeGen/CGStmtOpenMP.cpp
@@ -2011,6 +2011,14 @@
       });
 }
 
+void CodeGenFunction::EmitOMPTargetTeamsDistributeDirective(
+    const OMPTargetTeamsDistributeDirective &S) {
+  CGM.getOpenMPRuntime().emitInlinedDirective(*this, OMPD_target_teams_distribute,
+      [&S](CodeGenFunction &CGF, PrePostActionTy &) {
+        CGF.EmitStmt(cast<CapturedStmt>(S.getAssociatedStmt())->getCapturedStmt());
+      });
+}
+
 /// \brief Emit a helper variable and return corresponding lvalue.
 static LValue EmitOMPHelperVar(CodeGenFunction &CGF,
                                const DeclRefExpr *Helper) {
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index b78abdc..55fc822 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -2695,6 +2695,8 @@
   void EmitOMPTeamsDistributeParallelForDirective(
       const OMPTeamsDistributeParallelForDirective &S);
   void EmitOMPTargetTeamsDirective(const OMPTargetTeamsDirective &S);
+  void EmitOMPTargetTeamsDistributeDirective(
+      const OMPTargetTeamsDistributeDirective &S);
 
   /// Emit outlined function for the target directive.
   static std::pair<llvm::Function * /*OutlinedFn*/,