[Alignment][NFC] Remove StoreInst::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, bollu, jdoerfert

Subscribers: hiraditya, asbirlea, cfe-commits, llvm-commits

Tags: #clang, #llvm

Differential Revision: https://reviews.llvm.org/D68268

git-svn-id: https://llvm.org/svn/llvm-project/polly/trunk@373595 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/BlockGenerators.cpp b/lib/CodeGen/BlockGenerators.cpp
index da9ed98..599ae6c 100644
--- a/lib/CodeGen/BlockGenerators.cpp
+++ b/lib/CodeGen/BlockGenerators.cpp
@@ -1209,7 +1209,7 @@
     StoreInst *Store = Builder.CreateStore(Vector, VectorPtr);
 
     if (!Aligned)
-      Store->setAlignment(8);
+      Store->setAlignment(Align(8));
   } else {
     for (unsigned i = 0; i < ScalarMaps.size(); i++) {
       Value *Scalar = Builder.CreateExtractElement(Vector, Builder.getInt32(i));