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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@369204 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index d8711f82ad15a78636f650e594e3ada0cbb61262..6d6d65e55e6b80a00a5781bddad1480e7af17295 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/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;
 }