From ce00b440f5d754aaf7196255bc139ce64c260e00 Mon Sep 17 00:00:00 2001
From: Jakub Staszak <kubastaszak@gmail.com>
Date: Tue, 1 May 2012 23:06:00 +0000
Subject: [PATCH] Use dyn_cast instead of checking opcode and cast.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155957 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 0f2a5dff963..d6b866fb559 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2246,8 +2246,7 @@ unsigned SelectionDAG::ComputeNumSignBits(SDValue Op, unsigned Depth) const{
   }
 
   // Handle LOADX separately here. EXTLOAD case will fallthrough.
-  if (Op.getOpcode() == ISD::LOAD) {
-    LoadSDNode *LD = cast<LoadSDNode>(Op);
+  if (LoadSDNode *LD = dyn_cast<LoadSDNode>(Op)) {
     unsigned ExtType = LD->getExtensionType();
     switch (ExtType) {
     default: break;