Temporarily revert "Change the informal convention of DBG_VALUE so that we can express a"
because it breaks some buildbots.

This reverts commit 180816.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180819 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
index 060492e..3b1abd7 100644
--- a/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
+++ b/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
@@ -678,13 +678,7 @@
     MIB.addReg(0U);
   }
 
-  if (Offset != 0) // Indirect addressing.
-    MIB.addImm(Offset);
-  else
-    MIB.addReg(0U, RegState::Debug);
-
-  MIB.addMetadata(MDPtr);
-
+  MIB.addImm(Offset).addMetadata(MDPtr);
   return &*MIB;
 }