From aebab7c03f1facefb0e92c987ee880136d43f3bd Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@gmail.com>
Date: Mon, 2 Nov 2015 07:24:32 +0000
Subject: [PATCH] [X86] Use isa instead of dyn_cast in a bool context. NFC

llvm-svn: 251777
---
 llvm/lib/Target/X86/X86ISelLowering.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index cfe899b3fd21..a185bdc72631 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -23186,9 +23186,9 @@ static SDValue PerformEXTRACT_VECTOR_ELTCombine(SDNode *N, SelectionDAG &DAG,
 
   EVT VT = N->getValueType(0);
 
-  if (VT == MVT::i1 && dyn_cast<ConstantSDNode>(N->getOperand(1)) &&
+  if (VT == MVT::i1 && isa<ConstantSDNode>(N->getOperand(1)) &&
       InputVector.getOpcode() == ISD::BITCAST &&
-      dyn_cast<ConstantSDNode>(InputVector.getOperand(0))) {
+      isa<ConstantSDNode>(InputVector.getOperand(0))) {
     uint64_t ExtractedElt =
         cast<ConstantSDNode>(N->getOperand(1))->getZExtValue();
     uint64_t InputValue =