[Alignment][NFC] Move and type functions from MathExtras to Alignment

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: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D68942

llvm-svn: 374773

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/unittests/Support/AllocatorTest.cpp b/llvm/unittests/Support/AllocatorTest.cpp
index a0223ea932b..8a07ddda130 100644
--- a/llvm/unittests/Support/AllocatorTest.cpp
+++ b/llvm/unittests/Support/AllocatorTest.cpp
@@ -145,8 +145,8 @@ public:
   void *Allocate(size_t Size, size_t /*Alignment*/) {
     // Allocate space for the alignment, the slab, and a void* that goes right
     // before the slab.
-    size_t Alignment = 4096;
-    void *MemBase = safe_malloc(Size + Alignment - 1 + sizeof(void*));
+    Align Alignment(4096);
+    void *MemBase = safe_malloc(Size + Alignment.value() - 1 + sizeof(void *));
 
     // Find the slab start.
     void *Slab = (void *)alignAddr((char*)MemBase + sizeof(void *), Alignment);