[Alignment] Move OffsetToAlignment to Alignment.h

Summary:
This is patch is part of a series to introduce an Alignment type.
See this thread for context: http://lists.llvm.org/pipermail/llvm-dev/2019-July/133851.html
See this patch for the introduction of the type: https://reviews.llvm.org/D64790

Reviewers: courbet, JDevlieghere, alexshap, rupprecht, jhenderson

Subscribers: sdardis, nemanjai, hiraditya, kbarton, jakehehrlich, jrtc27, MaskRay, atanasyan, jsji, seiya, cfe-commits, llvm-commits

Tags: #clang, #llvm

Differential Revision: https://reviews.llvm.org/D67499

llvm-svn: 371742
diff --git a/llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.cpp b/llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.cpp
index ede34d0..0b8b3f1 100644
--- a/llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.cpp
+++ b/llvm/tools/llvm-objcopy/MachO/MachOLayoutBuilder.cpp
@@ -7,6 +7,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "MachOLayoutBuilder.h"
+#include "llvm/Support/Alignment.h"
 #include "llvm/Support/Errc.h"
 #include "llvm/Support/ErrorHandling.h"
 
@@ -145,7 +146,7 @@
           Sec.Offset = 0;
         } else {
           uint64_t PaddingSize =
-              OffsetToAlignment(SegFileSize, 1ull << Sec.Align);
+              offsetToAlignment(SegFileSize, llvm::Align(1ull << Sec.Align));
           Sec.Offset = SegOffset + SegFileSize + PaddingSize;
           Sec.Size = Sec.Content.size();
           SegFileSize += PaddingSize + Sec.Size;