From 507ffd2423cfd0f5204c69e44c50aa3c759609d8 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 27 Apr 2008 00:16:18 +0000
Subject: [PATCH] isa+cast -> dyn_cast

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@50314 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 888d4605bd5..7e8b61465ad 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -3789,10 +3789,8 @@ void SelectionDAGLowering::visitInlineAsm(CallSite CS) {
     // If this is an input or an indirect output, process the call argument.
     // BasicBlocks are labels, currently appearing only in asm's.
     if (OpInfo.CallOperandVal) {
-      if (isa<BasicBlock>(OpInfo.CallOperandVal))
-        OpInfo.CallOperand = 
-          DAG.getBasicBlock(FuncInfo.MBBMap[cast<BasicBlock>(
-                                                 OpInfo.CallOperandVal)]);
+      if (BasicBlock *BB = dyn_cast<BasicBlock>(OpInfo.CallOperandVal))
+        OpInfo.CallOperand = DAG.getBasicBlock(FuncInfo.MBBMap[BB]);
       else {
         OpInfo.CallOperand = getValue(OpInfo.CallOperandVal);
         const Type *OpTy = OpInfo.CallOperandVal->getType();