[llvm] r316257 - [SelectionDAG] Use isa to silence unused variable warning (NFC).

[Florian Hahn via llvm-commits]

Author: fhahn
Date: Fri Oct 20 21:57:03 2017
New Revision: 316257

URL: http://llvm.org/viewvc/llvm-project?rev=316257&view=rev
Log:
[SelectionDAG] Use isa to silence unused variable warning (NFC).

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=316257&r1=316256&r2=316257&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp Fri Oct 20 21:57:03 2017
@@ -2966,7 +2966,7 @@ unsigned SelectionDAG::ComputeNumSignBit
   unsigned Tmp, Tmp2;
   unsigned FirstAnswer = 1;
 
-  if (auto *C = dyn_cast<ConstantSDNode>(Op)) {
+  if (isa<ConstantSDNode>(Op)) {
     const APInt &Val = cast<ConstantSDNode>(Op)->getAPIntValue();
     return Val.getNumSignBits();
   }