[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

2 files changed, 5 insertions, 5 deletions

diff --git a/llvm/lib/ProfileData/Coverage/CoverageMappingReader.cpp b/llvm/lib/ProfileData/Coverage/CoverageMappingReader.cpp
index 6fffacfde74..679ff3525ee 100644
--- a/llvm/lib/ProfileData/Coverage/CoverageMappingReader.cpp
+++ b/llvm/lib/ProfileData/Coverage/CoverageMappingReader.cpp
@@ -506,7 +506,7 @@ public:
       return make_error<CoverageMapError>(coveragemap_error::malformed);
     // Each coverage map has an alignment of 8, so we need to adjust alignment
     // before reading the next map.
-    Buf += alignmentAdjustment(Buf, 8);
+    Buf += offsetToAlignedAddr(Buf, Align(8));
 
     auto CFR = reinterpret_cast<const FuncRecordType *>(FunBuf);
     while ((const char *)CFR < FunEnd) {
@@ -648,7 +648,7 @@ loadTestingFormat(StringRef Data) {
   // Skip the padding bytes because coverage map data has an alignment of 8.
   if (CoverageMapping.empty())
     return make_error<CoverageMapError>(coveragemap_error::truncated);
-  size_t Pad = alignmentAdjustment(CoverageMapping.data(), 8);
+  size_t Pad = offsetToAlignedAddr(CoverageMapping.data(), Align(8));
   if (CoverageMapping.size() < Pad)
     return make_error<CoverageMapError>(coveragemap_error::malformed);
   CoverageMapping = CoverageMapping.substr(Pad);
diff --git a/llvm/lib/Support/Unix/Memory.inc b/llvm/lib/Support/Unix/Memory.inc
index a0927da50e4..05f8e32896f 100644
--- a/llvm/lib/Support/Unix/Memory.inc
+++ b/llvm/lib/Support/Unix/Memory.inc
@@ -176,7 +176,7 @@ Memory::releaseMappedMemory(MemoryBlock &M) {
 
 std::error_code
 Memory::protectMappedMemory(const MemoryBlock &M, unsigned Flags) {
-  static const size_t PageSize = Process::getPageSizeEstimate();
+  static const Align PageSize = Align(Process::getPageSizeEstimate());
   if (M.Address == nullptr || M.AllocatedSize == 0)
     return std::error_code();
 
@@ -184,8 +184,8 @@ Memory::protectMappedMemory(const MemoryBlock &M, unsigned Flags) {
     return std::error_code(EINVAL, std::generic_category());
 
   int Protect = getPosixProtectionFlags(Flags);
-  uintptr_t Start = alignAddr((uint8_t *)M.Address - PageSize + 1, PageSize);
-  uintptr_t End = alignAddr((uint8_t *)M.Address + M.AllocatedSize, PageSize);
+  uintptr_t Start = alignAddr((const uint8_t *)M.Address - PageSize.value() + 1, PageSize);
+  uintptr_t End = alignAddr((const uint8_t *)M.Address + M.AllocatedSize, PageSize);
 
   bool InvalidateCache = (Flags & MF_EXEC);