[llvm] r285025 - Use SDValue::getConstantOperandVal() helper. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Mon Oct 24 15:56:52 2016
New Revision: 285025

URL: http://llvm.org/viewvc/llvm-project?rev=285025&view=rev
Log:
Use SDValue::getConstantOperandVal() helper. 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=285025&r1=285024&r2=285025&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp Mon Oct 24 15:56:52 2016
@@ -2423,8 +2423,7 @@ void SelectionDAG::computeKnownBits(SDVa
   }
   case ISD::EXTRACT_ELEMENT: {
     computeKnownBits(Op.getOperand(0), KnownZero, KnownOne, Depth+1);
-    const unsigned Index =
-      cast<ConstantSDNode>(Op.getOperand(1))->getZExtValue();
+    const unsigned Index = Op.getConstantOperandVal(1);
     const unsigned BitWidth = Op.getValueSizeInBits();
 
     // Remove low part of known bits mask
@@ -2716,8 +2715,7 @@ unsigned SelectionDAG::ComputeNumSignBit
 
     // Get reverse index (starting from 1), Op1 value indexes elements from
     // little end. Sign starts at big end.
-    const int rIndex = Items - 1 -
-      cast<ConstantSDNode>(Op.getOperand(1))->getZExtValue();
+    const int rIndex = Items - 1 - Op.getConstantOperandVal(1);
 
     // If the sign portion ends in our element the subtraction gives correct
     // result. Otherwise it gives either negative or > bitwidth result