[Alignment][NFC] Remove dependency on GlobalObject::setAlignment(unsigned)

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

Subscribers: arsenm, mehdi_amini, jvesely, nhaehnle, hiraditya, steven_wu, dexonsmith, dang, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D68944

llvm-svn: 374880
diff --git a/llvm/lib/CodeGen/LowerEmuTLS.cpp b/llvm/lib/CodeGen/LowerEmuTLS.cpp
index c8cf6ab..ed48365 100644
--- a/llvm/lib/CodeGen/LowerEmuTLS.cpp
+++ b/llvm/lib/CodeGen/LowerEmuTLS.cpp
@@ -142,7 +142,7 @@
     assert(EmuTlsTmplVar && "Failed to create emualted TLS initializer");
     EmuTlsTmplVar->setConstant(true);
     EmuTlsTmplVar->setInitializer(const_cast<Constant*>(InitValue));
-    EmuTlsTmplVar->setAlignment(GVAlignment);
+    EmuTlsTmplVar->setAlignment(Align(GVAlignment));
     copyLinkageVisibility(M, GV, EmuTlsTmplVar);
   }
 
@@ -155,9 +155,8 @@
   ArrayRef<Constant*> ElementValueArray(ElementValues, 4);
   EmuTlsVar->setInitializer(
       ConstantStruct::get(EmuTlsVarType, ElementValueArray));
-  unsigned MaxAlignment = std::max(
-      DL.getABITypeAlignment(WordType),
-      DL.getABITypeAlignment(VoidPtrType));
+  Align MaxAlignment(std::max(DL.getABITypeAlignment(WordType),
+                              DL.getABITypeAlignment(VoidPtrType)));
   EmuTlsVar->setAlignment(MaxAlignment);
   return true;
 }