Remove the bitwise NOT operator from the Attributes class. Replace it with the equivalent from the builder class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165892 91177308-0d34-0410-b5e6-96231b3b80d8

4 files changed, 16 insertions, 13 deletions

diff --git a/lib/VMCore/Attributes.cpp b/lib/VMCore/Attributes.cpp
index 4f3200b..326afc7 100644
--- a/lib/VMCore/Attributes.cpp
+++ b/lib/VMCore/Attributes.cpp
@@ -110,9 +110,6 @@ Attributes &Attributes::operator &= (const Attributes &A) {
   Attrs.Bits &= A.Raw();
   return *this;
 }
-Attributes Attributes::operator ~ () const {
-  return Attributes(~Raw());
-}
 
 uint64_t Attributes::Raw() const {
   return Attrs.Bits;
@@ -242,8 +239,10 @@ removeAttribute(Attributes::AttrVal Val) {
   return *this;
 }
 
-void Attributes::Builder::removeAttributes(const Attributes &A) {
+Attributes::Builder &Attributes::Builder::
+removeAttributes(const Attributes &A) {
   Bits &= ~A.Raw();
+  return *this;
 }
 
 bool Attributes::Builder::hasAttribute(Attributes::AttrVal A) const {
@@ -548,7 +547,8 @@ AttrListPtr AttrListPtr::addAttr(unsigned Idx, Attributes Attrs) const {
   return get(NewAttrList);
 }
 
-AttrListPtr AttrListPtr::removeAttr(unsigned Idx, Attributes Attrs) const {
+AttrListPtr AttrListPtr::removeAttr(LLVMContext &C, unsigned Idx,
+                                    Attributes Attrs) const {
 #ifndef NDEBUG
   // FIXME it is not obvious how this should work for alignment.
   // For now, say we can't pass in alignment, which no current use does.
@@ -558,8 +558,9 @@ AttrListPtr AttrListPtr::removeAttr(unsigned Idx, Attributes Attrs) const {
   if (AttrList == 0) return AttrListPtr();
   
   Attributes OldAttrs = getAttributes(Idx);
-  Attributes NewAttrs = OldAttrs & ~Attrs;
-  if (NewAttrs == OldAttrs)
+  Attributes::Builder NewAttrs =
+    Attributes::Builder(OldAttrs).removeAttributes(Attrs);
+  if (NewAttrs == Attributes::Builder(OldAttrs))
     return *this;
 
   SmallVector<AttributeWithIndex, 8> NewAttrList;
@@ -572,7 +573,8 @@ AttrListPtr AttrListPtr::removeAttr(unsigned Idx, Attributes Attrs) const {
   
   // If there are attributes already at this index, merge them in.
   assert(OldAttrList[i].Index == Idx && "Attribute isn't set?");
-  Attrs = OldAttrList[i].Attrs & ~Attrs;
+  Attrs = Attributes::get(C, Attributes::Builder(OldAttrList[i].Attrs).
+                          removeAttributes(Attrs));
   ++i;
   if (Attrs)  // If any attributes left for this parameter, add them.
     NewAttrList.push_back(AttributeWithIndex::get(Idx, Attrs));
diff --git a/lib/VMCore/Core.cpp b/lib/VMCore/Core.cpp
index 7973325..bafdfa3 100644
--- a/lib/VMCore/Core.cpp
+++ b/lib/VMCore/Core.cpp
@@ -1388,7 +1388,8 @@ void LLVMAddFunctionAttr(LLVMValueRef Fn, LLVMAttribute PA) {
 void LLVMRemoveFunctionAttr(LLVMValueRef Fn, LLVMAttribute PA) {
   Function *Func = unwrap<Function>(Fn);
   const AttrListPtr PAL = Func->getAttributes();
-  const AttrListPtr PALnew = PAL.removeAttr(~0U, Attributes(PA));
+  const AttrListPtr PALnew = PAL.removeAttr(Func->getContext(), ~0U,
+                                            Attributes(PA));
   Func->setAttributes(PALnew);
 }
 
@@ -1673,7 +1674,7 @@ void LLVMRemoveInstrAttribute(LLVMValueRef Instr, unsigned index,
                               LLVMAttribute PA) {
   CallSite Call = CallSite(unwrap<Instruction>(Instr));
   Call.setAttributes(
-    Call.getAttributes().removeAttr(index, Attributes(PA)));
+    Call.getAttributes().removeAttr(Call->getContext(), index, Attributes(PA)));
 }
 
 void LLVMSetInstrParamAlignment(LLVMValueRef Instr, unsigned index, 
diff --git a/lib/VMCore/Function.cpp b/lib/VMCore/Function.cpp
index 5c2a03c..15e9f7c 100644
--- a/lib/VMCore/Function.cpp
+++ b/lib/VMCore/Function.cpp
@@ -255,7 +255,7 @@ void Function::addAttribute(unsigned i, Attributes attr) {
 
 void Function::removeAttribute(unsigned i, Attributes attr) {
   AttrListPtr PAL = getAttributes();
-  PAL = PAL.removeAttr(i, attr);
+  PAL = PAL.removeAttr(getContext(), i, attr);
   setAttributes(PAL);
 }
 
diff --git a/lib/VMCore/Instructions.cpp b/lib/VMCore/Instructions.cpp
index 74c0c6e..15bc3ae 100644
--- a/lib/VMCore/Instructions.cpp
+++ b/lib/VMCore/Instructions.cpp
@@ -338,7 +338,7 @@ void CallInst::addAttribute(unsigned i, Attributes attr) {
 
 void CallInst::removeAttribute(unsigned i, Attributes attr) {
   AttrListPtr PAL = getAttributes();
-  PAL = PAL.removeAttr(i, attr);
+  PAL = PAL.removeAttr(getContext(), i, attr);
   setAttributes(PAL);
 }
 
@@ -594,7 +594,7 @@ void InvokeInst::addAttribute(unsigned i, Attributes attr) {
 
 void InvokeInst::removeAttribute(unsigned i, Attributes attr) {
   AttrListPtr PAL = getAttributes();
-  PAL = PAL.removeAttr(i, attr);
+  PAL = PAL.removeAttr(getContext(), i, attr);
   setAttributes(PAL);
 }