Fix unused variable warnings. NFCI.

llvm-svn: 316964

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 0e0b83f..5a9e798 100644 (file)
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2582,7 +2582,6 @@ void SelectionDAG::computeKnownBits(SDValue Op, KnownBits &Known,
   }
   // 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(SDValue Op, KnownBits &Known,
     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;