X86SelectionDAGInfo.cpp - move dyn_cast check inside if(). NFC.

Minor cleanup - we only use the non-null pointer inside the if() block

diff --git a/llvm/lib/Target/X86/X86SelectionDAGInfo.cpp b/llvm/lib/Target/X86/X86SelectionDAGInfo.cpp
index 78a286a..f47d8a6 100644 (file)
--- a/llvm/lib/Target/X86/X86SelectionDAGInfo.cpp
+++ b/llvm/lib/Target/X86/X86SelectionDAGInfo.cpp
@@ -74,9 +74,8 @@ SDValue X86SelectionDAGInfo::EmitTargetCodeForMemset(
   SDValue InFlag;
   EVT AVT;
   SDValue Count;
-  ConstantSDNode *ValC = dyn_cast<ConstantSDNode>(Val);
   unsigned BytesLeft = 0;
-  if (ValC) {
+  if (auto *ValC = dyn_cast<ConstantSDNode>(Val)) {
     unsigned ValReg;
     uint64_t Val = ValC->getZExtValue() & 255;