Update to use new name alignTo().

llvm-svn: 257804
diff --git a/llvm/lib/Analysis/MemoryBuiltins.cpp b/llvm/lib/Analysis/MemoryBuiltins.cpp
index 9e896ae..480ab5c 100644
--- a/llvm/lib/Analysis/MemoryBuiltins.cpp
+++ b/llvm/lib/Analysis/MemoryBuiltins.cpp
@@ -376,7 +376,7 @@
 
 APInt ObjectSizeOffsetVisitor::align(APInt Size, uint64_t Align) {
   if (RoundToAlign && Align)
-    return APInt(IntTyBits, RoundUpToAlignment(Size.getZExtValue(), Align));
+    return APInt(IntTyBits, alignTo(Size.getZExtValue(), Align));
   return Size;
 }