[OpenMP] Code generation for target data directive

Summary:
This patch adds support for the target data directive code generation.

Part of the already existent functionality related with data maps is moved to a new function so that it could be reused.

Reviewers: hfinkel, carlo.bertolli, arpith-jacob, kkwli0, ABataev

Subscribers: cfe-commits, fraggamuffin, caomhin

Differential Revision: http://reviews.llvm.org/D17367

llvm-svn: 267811

1 files changed, 12 insertions, 0 deletions

diff --git a/clang/lib/CodeGen/CGOpenMPRuntime.h b/clang/lib/CodeGen/CGOpenMPRuntime.h
index 4abdd23b7e1..c1589e8ff44 100644
--- a/clang/lib/CodeGen/CGOpenMPRuntime.h
+++ b/clang/lib/CodeGen/CGOpenMPRuntime.h
@@ -1039,6 +1039,18 @@ public:
   /// \param ThreadLimit An integer expression of threads.
   virtual void emitNumTeamsClause(CodeGenFunction &CGF, const Expr *NumTeams,
                                   const Expr *ThreadLimit, SourceLocation Loc);
+
+  /// \brief Emit the target data mapping code associated with \a D.
+  /// \param D Directive to emit.
+  /// \param IfCond Expression evaluated in if clause associated with the target
+  /// directive, or null if no if clause is used.
+  /// \param Device Expression evaluated in device clause associated with the
+  /// target directive, or null if no device clause is used.
+  /// \param CodeGen, Function that emits the enclosed region.
+  virtual void emitTargetDataCalls(CodeGenFunction &CGF,
+                                   const OMPExecutableDirective &D,
+                                   const Expr *IfCond, const Expr *Device,
+                                   const RegionCodeGenTy &CodeGen);
 };
 
 } // namespace CodeGen