[SelectionDAG] Add a node creation debug message to getMachineNode.

llvm-svn: 369204

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index d8711f8..6d6d65e 100644 (file)
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -7915,6 +7915,7 @@ MachineSDNode *SelectionDAG::getMachineNode(unsigned Opcode, const SDLoc &DL,
     CSEMap.InsertNode(N, IP);
 
   InsertNode(N);
+  NewSDValueDbgMsg(SDValue(N, 0), "Creating new machine node: ", this);
   return N;
 }