fix copy/paste/modify think-o

llvm-svn: 105653
diff --git a/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp b/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
index f11575e..b39d44f 100644
--- a/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
+++ b/llvm/lib/Target/ARM/ARMLoadStoreOptimizer.cpp
@@ -694,7 +694,7 @@
   }
 
   // Try merging with the next instruction.
-  MachineBasicBlock::iterator EndMBBI = MBB.begin();
+  MachineBasicBlock::iterator EndMBBI = MBB.end();
   if (!DoMerge && MBBI != EndMBBI) {
     MachineBasicBlock::iterator NextMBBI = llvm::next(MBBI);
     while (NextMBBI != EndMBBI && NextMBBI->isDebugValue())