Remove some not-really-used variables, as warned
about by icc (#593, partial).  Patch by Erick Tryzelaar.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81115 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
index cd05f71..b0a6a6e 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
@@ -1714,11 +1714,9 @@
   MachineFunction *CurMF = FuncInfo.MF;
 
   // Figure out which block is immediately after the current one.
-  MachineBasicBlock *NextBlock = 0;
   MachineFunction::iterator BBI = CR.CaseBB;
 
-  if (++BBI != FuncInfo.MF->end())
-    NextBlock = BBI;
+  if (++BBI != FuncInfo.MF->end()) {}
 
   const BasicBlock *LLVMBB = CR.CaseBB->getBasicBlock();
 
@@ -1787,11 +1785,9 @@
   MachineFunction *CurMF = FuncInfo.MF;
 
   // Figure out which block is immediately after the current one.
-  MachineBasicBlock *NextBlock = 0;
   MachineFunction::iterator BBI = CR.CaseBB;
 
-  if (++BBI != FuncInfo.MF->end())
-    NextBlock = BBI;
+  if (++BBI != FuncInfo.MF->end()) {}
 
   Case& FrontCase = *CR.Range.first;
   Case& BackCase  = *(CR.Range.second-1);