Cleanup whitespace.

llvm-svn: 166013

lib/VMCore/Attributes.cpp

@@ -93,12 +93,12 @@ uint64_t Attributes::Raw() const {
 
 Attributes Attributes::typeIncompatible(Type *Ty) {
   AttrBuilder Incompatible;
-  
+
   if (!Ty->isIntegerTy())
     // Attributes that only apply to integers.
     Incompatible.addAttribute(Attributes::SExt)
       .addAttribute(Attributes::ZExt);
-  
+
   if (!Ty->isPointerTy())
     // Attributes that only apply to pointers.
     Incompatible.addAttribute(Attributes::ByVal)
@@ -106,7 +106,7 @@ Attributes Attributes::typeIncompatible(Type *Ty) {
       .addAttribute(Attributes::NoAlias)
       .addAttribute(Attributes::NoCapture)
       .addAttribute(Attributes::StructRet);
-  
+
   return Attributes::get(Ty->getContext(), Incompatible);
 }
 
@@ -362,19 +362,19 @@ static ManagedStatic<sys::SmartMutex<true> > ALMutex;
 
 class AttributeListImpl : public FoldingSetNode {
   sys::cas_flag RefCount;
-  
+
   // AttributesList is uniqued, these should not be publicly available.
   void operator=(const AttributeListImpl &) LLVM_DELETED_FUNCTION;
   AttributeListImpl(const AttributeListImpl &) LLVM_DELETED_FUNCTION;
   ~AttributeListImpl();                        // Private implementation
 public:
   SmallVector<AttributeWithIndex, 4> Attrs;
-  
+
   AttributeListImpl(ArrayRef<AttributeWithIndex> attrs)
     : Attrs(attrs.begin(), attrs.end()) {
     RefCount = 0;
   }
-  
+
   void AddRef() {
     sys::SmartScopedLock<true> Lock(*ALMutex);
     ++RefCount;
@@ -387,7 +387,7 @@ public:
     if (new_val == 0)
       delete this;
   }
-  
+
   void Profile(FoldingSetNodeID &ID) const {
     Profile(ID, Attrs);
   }
@@ -398,50 +398,49 @@ public:
     }
   }
 };
-}
+
+} // end llvm namespace
 
 AttributeListImpl::~AttributeListImpl() {
   // NOTE: Lock must be acquired by caller.
   AttributesLists->RemoveNode(this);
 }
 
-
 AttrListPtr AttrListPtr::get(ArrayRef<AttributeWithIndex> Attrs) {
   // If there are no attributes then return a null AttributesList pointer.
   if (Attrs.empty())
     return AttrListPtr();
-  
+
 #ifndef NDEBUG
   for (unsigned i = 0, e = Attrs.size(); i != e; ++i) {
-    assert(Attrs[i].Attrs.hasAttributes() && 
+    assert(Attrs[i].Attrs.hasAttributes() &&
            "Pointless attribute!");
     assert((!i || Attrs[i-1].Index < Attrs[i].Index) &&
            "Misordered AttributesList!");
   }
 #endif
-  
+
   // Otherwise, build a key to look up the existing attributes.
   FoldingSetNodeID ID;
   AttributeListImpl::Profile(ID, Attrs);
   void *InsertPos;
-  
+
   sys::SmartScopedLock<true> Lock(*ALMutex);
-  
+
   AttributeListImpl *PAL =
     AttributesLists->FindNodeOrInsertPos(ID, InsertPos);
-  
+
   // If we didn't find any existing attributes of the same shape then
   // create a new one and insert it.
   if (!PAL) {
     PAL = new AttributeListImpl(Attrs);
     AttributesLists->InsertNode(PAL, InsertPos);
   }
-  
+
   // Return the AttributesList that we found or created.
   return AttrListPtr(PAL);
 }
 
-
 //===----------------------------------------------------------------------===//
 // AttrListPtr Method Implementations
 //===----------------------------------------------------------------------===//
@@ -451,7 +450,7 @@ AttrListPtr::AttrListPtr(AttributeListImpl *LI) : AttrList(LI) {
 }
 
 AttrListPtr::AttrListPtr(const AttrListPtr &P) : AttrList(P.AttrList) {
-  if (AttrList) AttrList->AddRef();  
+  if (AttrList) AttrList->AddRef();
 }
 
 const AttrListPtr &AttrListPtr::operator=(const AttrListPtr &RHS) {
@@ -467,7 +466,7 @@ AttrListPtr::~AttrListPtr() {
   if (AttrList) AttrList->DropRef();
 }
 
-/// getNumSlots - Return the number of slots used in this attribute list. 
+/// getNumSlots - Return the number of slots used in this attribute list.
 /// This is the number of arguments that have an attribute set on them
 /// (including the function itself).
 unsigned AttrListPtr::getNumSlots() const {
@@ -481,13 +480,12 @@ const AttributeWithIndex &AttrListPtr::getSlot(unsigned Slot) const {
   return AttrList->Attrs[Slot];
 }
 
-
+/// getAttributes - The attributes for the specified index are returned.
-/// getAttributes - The attributes for the specified index are
+/// Attributes for the result are denoted with Idx = 0.  Function notes are
-/// returned.  Attributes for the result are denoted with Idx = 0.
+/// denoted with idx = ~0.
-/// Function notes are denoted with idx = ~0.
 Attributes AttrListPtr::getAttributes(unsigned Idx) const {
   if (AttrList == 0) return Attributes();
-  
+
   const SmallVector<AttributeWithIndex, 4> &Attrs = AttrList->Attrs;
   for (unsigned i = 0, e = Attrs.size(); i != e && Attrs[i].Index <= Idx; ++i)
     if (Attrs[i].Index == Idx)
@@ -529,12 +527,12 @@ AttrListPtr AttrListPtr::addAttr(LLVMContext &C, unsigned Idx,
   assert((!OldAlign || !NewAlign || OldAlign == NewAlign) &&
          "Attempt to change alignment!");
 #endif
-  
+
   AttrBuilder NewAttrs =
     AttrBuilder(OldAttrs).addAttributes(Attrs);
   if (NewAttrs == AttrBuilder(OldAttrs))
     return *this;
-  
+
   SmallVector<AttributeWithIndex, 8> NewAttrList;
   if (AttrList == 0)
     NewAttrList.push_back(AttributeWithIndex::get(Idx, Attrs));
@@ -552,14 +550,14 @@ AttrListPtr AttrListPtr::addAttr(LLVMContext &C, unsigned Idx,
                         addAttributes(OldAttrList[i].Attrs));
       ++i;
     }
-    
+
     NewAttrList.push_back(AttributeWithIndex::get(Idx, Attrs));
-    
+
     // Copy attributes for arguments after this one.
-    NewAttrList.insert(NewAttrList.end(), 
+    NewAttrList.insert(NewAttrList.end(),
                        OldAttrList.begin()+i, OldAttrList.end());
   }
-  
+
   return get(NewAttrList);
 }
 
@@ -572,7 +570,7 @@ AttrListPtr AttrListPtr::removeAttr(LLVMContext &C, unsigned Idx,
          "Attempt to exclude alignment!");
 #endif
   if (AttrList == 0) return AttrListPtr();
-  
+
   Attributes OldAttrs = getAttributes(Idx);
   AttrBuilder NewAttrs =
     AttrBuilder(OldAttrs).removeAttributes(Attrs);
@@ -582,11 +580,11 @@ AttrListPtr AttrListPtr::removeAttr(LLVMContext &C, unsigned Idx,
   SmallVector<AttributeWithIndex, 8> NewAttrList;
   const SmallVector<AttributeWithIndex, 4> &OldAttrList = AttrList->Attrs;
   unsigned i = 0, e = OldAttrList.size();
-  
+
   // Copy attributes for arguments before this one.
   for (; i != e && OldAttrList[i].Index < Idx; ++i)
     NewAttrList.push_back(OldAttrList[i]);
-  
+
   // If there are attributes already at this index, merge them in.
   assert(OldAttrList[i].Index == Idx && "Attribute isn't set?");
   Attrs = Attributes::get(C, AttrBuilder(OldAttrList[i].Attrs).
@@ -594,11 +592,11 @@ AttrListPtr AttrListPtr::removeAttr(LLVMContext &C, unsigned Idx,
   ++i;
   if (Attrs.hasAttributes()) // If any attributes left for this param, add them.
     NewAttrList.push_back(AttributeWithIndex::get(Idx, Attrs));
-  
+
   // Copy attributes for arguments after this one.
-  NewAttrList.insert(NewAttrList.end(), 
+  NewAttrList.insert(NewAttrList.end(),
                      OldAttrList.begin()+i, OldAttrList.end());
-  
+
   return get(NewAttrList);
 }
 
@@ -608,6 +606,6 @@ void AttrListPtr::dump() const {
     const AttributeWithIndex &PAWI = getSlot(i);
     dbgs() << "{" << PAWI.Index << "," << PAWI.Attrs.getAsString() << "} ";
   }
-  
+
   dbgs() << "]\n";
 }