diff --git a/llvm/include/llvm/IR/DataLayout.h b/llvm/include/llvm/IR/DataLayout.h
index cfed302e657d..d32b8402d64d 100644
--- a/llvm/include/llvm/IR/DataLayout.h
+++ b/llvm/include/llvm/IR/DataLayout.h
@@ -118,11 +118,12 @@ private:
   typedef SmallVector<PointerAlignElem, 8> PointersTy;
   PointersTy Pointers;
 
-  PointersTy::const_iterator findPoiterLowerBound(uint32_t AddressSpace) const {
-    return const_cast<DataLayout *>(this)->findPoiterLowerBound(AddressSpace);
+  PointersTy::const_iterator
+  findPointerLowerBound(uint32_t AddressSpace) const {
+    return const_cast<DataLayout *>(this)->findPointerLowerBound(AddressSpace);
   }
 
-  PointersTy::iterator findPoiterLowerBound(uint32_t AddressSpace);
+  PointersTy::iterator findPointerLowerBound(uint32_t AddressSpace);
 
   /// InvalidAlignmentElem - This member is a signal that a requested alignment
   /// type and bit width were not found in the SmallVector.
diff --git a/llvm/lib/IR/DataLayout.cpp b/llvm/lib/IR/DataLayout.cpp
index 162f3d3ac373..12723c09b66e 100644
--- a/llvm/lib/IR/DataLayout.cpp
+++ b/llvm/lib/IR/DataLayout.cpp
@@ -390,7 +390,7 @@ static bool comparePointerAlignElem(const PointerAlignElem &A,
 }
 
 DataLayout::PointersTy::iterator
-DataLayout::findPoiterLowerBound(uint32_t AddressSpace) {
+DataLayout::findPointerLowerBound(uint32_t AddressSpace) {
   return std::lower_bound(Pointers.begin(), Pointers.end(), AddressSpace,
                           comparePointerAlignElem);
 }
@@ -399,7 +399,7 @@ void DataLayout::setPointerAlignment(uint32_t AddrSpace, unsigned ABIAlign,
                                      unsigned PrefAlign,
                                      uint32_t TypeByteWidth) {
   assert(ABIAlign <= PrefAlign && "Preferred alignment worse than ABI!");
-  PointersTy::iterator I = findPoiterLowerBound(AddrSpace);
+  PointersTy::iterator I = findPointerLowerBound(AddrSpace);
   if (I == Pointers.end() || I->AddressSpace != AddrSpace) {
     Pointers.insert(I, PointerAlignElem::get(AddrSpace, ABIAlign, PrefAlign,
                                              TypeByteWidth));
@@ -597,27 +597,27 @@ std::string DataLayout::getStringRepresentation() const {
 }
 
 unsigned DataLayout::getPointerABIAlignment(unsigned AS) const {
-  PointersTy::const_iterator I = findPoiterLowerBound(AS);
+  PointersTy::const_iterator I = findPointerLowerBound(AS);
   if (I == Pointers.end() || I->AddressSpace != AS) {
-    I = findPoiterLowerBound(0);
+    I = findPointerLowerBound(0);
     assert(I->AddressSpace == 0);
   }
   return I->ABIAlign;
 }
 
 unsigned DataLayout::getPointerPrefAlignment(unsigned AS) const {
-  PointersTy::const_iterator I = findPoiterLowerBound(AS);
+  PointersTy::const_iterator I = findPointerLowerBound(AS);
   if (I == Pointers.end() || I->AddressSpace != AS) {
-    I = findPoiterLowerBound(0);
+    I = findPointerLowerBound(0);
     assert(I->AddressSpace == 0);
   }
   return I->PrefAlign;
 }
 
 unsigned DataLayout::getPointerSize(unsigned AS) const {
-  PointersTy::const_iterator I = findPoiterLowerBound(AS);
+  PointersTy::const_iterator I = findPointerLowerBound(AS);
   if (I == Pointers.end() || I->AddressSpace != AS) {
-    I = findPoiterLowerBound(0);
+    I = findPointerLowerBound(0);
     assert(I->AddressSpace == 0);
   }
   return I->TypeByteWidth;