[llvm] r316964 - Fix unused variable warnings. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Mon Oct 30 15:38:07 2017
New Revision: 316964

URL: http://llvm.org/viewvc/llvm-project?rev=316964&view=rev
Log:
Fix unused variable warnings. NFCI.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp?rev=316964&r1=316963&r2=316964&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp Mon Oct 30 15:38:07 2017
@@ -2582,7 +2582,6 @@ void SelectionDAG::computeKnownBits(SDVa
   }
   // TODO ISD::SIGN_EXTEND_VECTOR_INREG
   case ISD::SIGN_EXTEND: {
-    EVT InVT = Op.getOperand(0).getValueType();
     computeKnownBits(Op.getOperand(0), Known, DemandedElts, Depth + 1);
     // If the sign bit is known to be zero or one, then sext will extend
     // it to the top bits, else it will just zext.
@@ -2590,13 +2589,11 @@ void SelectionDAG::computeKnownBits(SDVa
     break;
   }
   case ISD::ANY_EXTEND: {
-    EVT InVT = Op.getOperand(0).getValueType();
     computeKnownBits(Op.getOperand(0), Known, Depth+1);
     Known = Known.zext(BitWidth);
     break;
   }
   case ISD::TRUNCATE: {
-    EVT InVT = Op.getOperand(0).getValueType();
     computeKnownBits(Op.getOperand(0), Known, DemandedElts, Depth + 1);
     Known = Known.trunc(BitWidth);
     break;