Vendor import of llvm trunk r132879:

http://llvm.org/svn/llvm-project/llvm/trunk@132879

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
index a689b76..8376d41 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
@@ -332,6 +332,14 @@ public:
   /// consumed.
   void clear();
 
+  /// clearDanglingDebugInfo - Clear the dangling debug information
+  /// map. This function is seperated from the clear so that debug
+  /// information that is dangling in a basic block can be properly
+  /// resolved in a different basic block. This allows the
+  /// SelectionDAG to resolve dangling debug information attached
+  /// to PHI nodes.
+  void clearDanglingDebugInfo();
+
   /// getRoot - Return the current virtual root of the Selection DAG,
   /// flushing any PendingLoad items. This must be done before emitting
   /// a store or any other node that may need to be ordered after any