Remove non-DebugLoc forms of CopyToReg and CopyFromReg.
Adjust callers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63789 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 537b704..32f6935 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -4386,7 +4386,7 @@
///
/// Note that MorphNodeTo returns the resultant node. If there is already a
/// node of the specified opcode and operands, it returns that node instead of
-/// the current one.
+/// the current one. Note that the DebugLoc need not be the same.
///
/// Using MorphNodeTo is faster than creating a new node and swapping it in
/// with ReplaceAllUsesWith both because it often avoids allocating a new