[LVI] NFC. Fix a typo Bofore -> Before

llvm-svn: 278105
diff --git a/llvm/lib/Analysis/LazyValueInfo.cpp b/llvm/lib/Analysis/LazyValueInfo.cpp
index 6b8bb12..2728687 100644
--- a/llvm/lib/Analysis/LazyValueInfo.cpp
+++ b/llvm/lib/Analysis/LazyValueInfo.cpp
@@ -799,7 +799,7 @@
     if (Result.isOverdefined()) {
       DEBUG(dbgs() << " compute BB '" << BB->getName()
             << "' - overdefined because of pred (non local).\n");
-      // Bofore giving up, see if we can prove the pointer non-null local to
+      // Before giving up, see if we can prove the pointer non-null local to
       // this particular block.
       if (Val->getType()->isPointerTy() &&
           isObjectDereferencedInBlock(Val, BB)) {