Debug info: Fix PR16736 and rdar://problem/14990587.
A DBG_VALUE is register-indirect iff the first operand is a register
_and_ the second operand is an immediate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190821 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveDebugVariables.cpp b/lib/CodeGen/LiveDebugVariables.cpp
index 1216445..4b8395b 100644
--- a/lib/CodeGen/LiveDebugVariables.cpp
+++ b/lib/CodeGen/LiveDebugVariables.cpp
@@ -457,9 +457,10 @@
   }
 
   // Get or create the UserValue for (variable,offset).
-  bool IsIndirect = MI->getOperand(1).isImm();
+  bool IsIndirect = MI->isIndirectDebugValue();
   unsigned Offset = IsIndirect ? MI->getOperand(1).getImm() : 0;
   const MDNode *Var = MI->getOperand(2).getMetadata();
+  //here.
   UserValue *UV = getUserValue(Var, Offset, IsIndirect, MI->getDebugLoc());
   UV->addDef(Idx, MI->getOperand(0));
   return true;