Provide an interface to transfer SDDbgValue from one SDNode to another.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124245 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h b/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
index 2dcb229..e5cd23a 100644
--- a/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
+++ b/lib/CodeGen/SelectionDAG/SDNodeDbgValue.h
@@ -83,6 +83,14 @@
// Returns the SDNode* for a register ref
SDNode *getSDNode() { assert (kind==SDNODE); return u.s.Node; }
+ // setSDNode - If underlying SDNode is replaced by another node then
+ // SelectionDAG can use this to transfer DbgValue.
+ void setSDNode(SDNode *N, unsigned R) {
+ assert (kind==SDNODE);
+ u.s.Node = N;
+ u.s.ResNo = R;
+ }
+
// Returns the ResNo for a register ref
unsigned getResNo() { assert (kind==SDNODE); return u.s.ResNo; }