Simplify.  Testing shows that this is not equivalent to BBI = CR.CaseBB + 1.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81124 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
index b0a6a6e..ce412e0 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
@@ -1715,8 +1715,7 @@
 
   // Figure out which block is immediately after the current one.
   MachineFunction::iterator BBI = CR.CaseBB;
-
-  if (++BBI != FuncInfo.MF->end()) {}
+  ++BBI;
 
   const BasicBlock *LLVMBB = CR.CaseBB->getBasicBlock();
 
@@ -1786,8 +1785,7 @@
 
   // Figure out which block is immediately after the current one.
   MachineFunction::iterator BBI = CR.CaseBB;
-
-  if (++BBI != FuncInfo.MF->end()) {}
+  ++BBI;
 
   Case& FrontCase = *CR.Range.first;
   Case& BackCase  = *(CR.Range.second-1);