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For PR1146:

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Move parameter attributes functionality to ParamAttrsList class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35806 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2007-04-09 06:07:52 +00:00
parent e365af5aa2
commit 89b1f46a10
1 changed files with 106 additions and 52 deletions
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158
lib/VMCore/Type.cpp
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@ -13,6 +13,7 @@
#include "llvm/AbstractTypeUser.h"
#include "llvm/DerivedTypes.h"
#include "llvm/ParameterAttributes.h"
#include "llvm/Constants.h"
#include "llvm/ADT/DepthFirstIterator.h"
#include "llvm/ADT/StringExtras.h"
@ -279,11 +280,13 @@ static std::string getTypeDescription(const Type *Ty,
Result += " ";
Result += getTypeDescription(FTy->getReturnType(), TypeStack) + " (";
unsigned Idx = 1;
const ParamAttrsList *Attrs = FTy->getParamAttrs();
for (FunctionType::param_iterator I = FTy->param_begin(),
E = FTy->param_end(); I != E; ++I) {
if (I != FTy->param_begin())
Result += ", ";
Result += FunctionType::getParamAttrsText(FTy->getParamAttrs(Idx));
if (Attrs && Attrs->getParamAttrs(Idx) != NoAttributeSet)
Result += Attrs->getParamAttrsTextByIndex(Idx);
Idx++;
Result += getTypeDescription(*I, TypeStack);
}
@ -292,8 +295,8 @@ static std::string getTypeDescription(const Type *Ty,
Result += "...";
}
Result += ")";
if (FTy->getParamAttrs(0)) {
Result += " " + FunctionType::getParamAttrsText(FTy->getParamAttrs(0));
if (Attrs && Attrs->getParamAttrs(0) != NoAttributeSet) {
Result += " " + Attrs->getParamAttrsTextByIndex(0);
}
break;
}
@ -411,8 +414,8 @@ const IntegerType *Type::Int64Ty = new BuiltinIntegerType(64);
FunctionType::FunctionType(const Type *Result,
const std::vector<const Type*> &Params,
bool IsVarArgs, const ParamAttrsList &Attrs)
: DerivedType(FunctionTyID), isVarArgs(IsVarArgs), ParamAttrs(0) {
bool IsVarArgs, ParamAttrsList *Attrs)
: DerivedType(FunctionTyID), isVarArgs(IsVarArgs), ParamAttrs(Attrs) {
ContainedTys = reinterpret_cast<PATypeHandle*>(this+1);
NumContainedTys = Params.size() + 1; // + 1 for result type
assert((Result->isFirstClassType() || Result == Type::VoidTy ||
@ -428,12 +431,6 @@ FunctionType::FunctionType(const Type *Result,
isAbstract |= Params[i]->isAbstract();
}
// Set the ParameterAttributes
if (!Attrs.empty())
ParamAttrs = new ParamAttrsList(Attrs);
else
ParamAttrs = 0;
// Calculate whether or not this type is abstract
setAbstract(isAbstract);
@ -639,12 +636,24 @@ static bool TypesEqual(const Type *Ty, const Type *Ty2,
const FunctionType *FTy2 = cast<FunctionType>(Ty2);
if (FTy->isVarArg() != FTy2->isVarArg() ||
FTy->getNumParams() != FTy2->getNumParams() ||
FTy->getNumAttrs() != FTy2->getNumAttrs() ||
FTy->getParamAttrs(0) != FTy2->getParamAttrs(0) ||
!TypesEqual(FTy->getReturnType(), FTy2->getReturnType(), EqTypes))
return false;
const ParamAttrsList *Attrs1 = FTy->getParamAttrs();
const ParamAttrsList *Attrs2 = FTy2->getParamAttrs();
if ((!Attrs1 && Attrs2 && !Attrs2->empty()) ||
(!Attrs2 && Attrs1 && !Attrs1->empty()) ||
(Attrs1 && Attrs2 && (Attrs1->size() != Attrs2->size() ||
(Attrs1->size() > 0 &&
Attrs1->getParamAttrs(0) != Attrs2->getParamAttrs(0)))))
return false;
ParamAttrsList PAL1;
if (Attrs1)
PAL1 = *Attrs1;
ParamAttrsList PAL2;
if (Attrs2)
PAL2 = *Attrs2;
for (unsigned i = 0, e = FTy2->getNumParams(); i != e; ++i) {
if (FTy->getParamAttrs(i+1) != FTy->getParamAttrs(i+1))
if (PAL1.getParamAttrs(i+1) != PAL2.getParamAttrs(i+1))
return false;
if (!TypesEqual(FTy->getParamType(i), FTy2->getParamType(i), EqTypes))
return false;
@ -1024,22 +1033,23 @@ namespace llvm {
class FunctionValType {
const Type *RetTy;
std::vector<const Type*> ArgTypes;
std::vector<FunctionType::ParameterAttributes> ParamAttrs;
const ParamAttrsList *ParamAttrs;
bool isVarArg;
public:
FunctionValType(const Type *ret, const std::vector<const Type*> &args,
bool IVA, const FunctionType::ParamAttrsList &attrs)
: RetTy(ret), isVarArg(IVA) {
bool IVA, const ParamAttrsList *attrs)
: RetTy(ret), ParamAttrs(attrs), isVarArg(IVA) {
for (unsigned i = 0; i < args.size(); ++i)
ArgTypes.push_back(args[i]);
for (unsigned i = 0; i < attrs.size(); ++i)
ParamAttrs.push_back(attrs[i]);
}
static FunctionValType get(const FunctionType *FT);
static unsigned hashTypeStructure(const FunctionType *FT) {
return FT->getNumParams()*64+FT->getNumAttrs()*2+FT->isVarArg();
unsigned Result = FT->getNumParams()*64 + FT->isVarArg();
if (FT->getParamAttrs())
Result += FT->getParamAttrs()->size()*2;
return Result;
}
inline bool operator<(const FunctionValType &MTV) const {
@ -1048,7 +1058,20 @@ public:
if (isVarArg < MTV.isVarArg) return true;
if (isVarArg > MTV.isVarArg) return false;
if (ArgTypes < MTV.ArgTypes) return true;
return ArgTypes == MTV.ArgTypes && ParamAttrs < MTV.ParamAttrs;
if (ArgTypes > MTV.ArgTypes) return false;
if (ParamAttrs)
if (MTV.ParamAttrs)
return *ParamAttrs < *MTV.ParamAttrs;
else if (ParamAttrs->empty())
return true;
else
return false;
else if (MTV.ParamAttrs)
if (MTV.ParamAttrs->empty())
return false;
else
return true;
return false;
}
};
}
@ -1059,14 +1082,11 @@ static ManagedStatic<TypeMap<FunctionValType, FunctionType> > FunctionTypes;
FunctionValType FunctionValType::get(const FunctionType *FT) {
// Build up a FunctionValType
std::vector<const Type *> ParamTypes;
std::vector<FunctionType::ParameterAttributes> ParamAttrs;
ParamTypes.reserve(FT->getNumParams());
for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i)
ParamTypes.push_back(FT->getParamType(i));
for (unsigned i = 0, e = FT->getNumAttrs(); i != e; ++i)
ParamAttrs.push_back(FT->getParamAttrs(i));
return FunctionValType(FT->getReturnType(), ParamTypes, FT->isVarArg(),
ParamAttrs);
FT->getParamAttrs());
}
@ -1074,24 +1094,15 @@ FunctionValType FunctionValType::get(const FunctionType *FT) {
FunctionType *FunctionType::get(const Type *ReturnType,
const std::vector<const Type*> &Params,
bool isVarArg,
const std::vector<ParameterAttributes> &Attrs) {
bool noAttrs = true;
for (unsigned i = 0, e = Attrs.size(); i < e; ++i)
if (Attrs[i] != FunctionType::NoAttributeSet) {
noAttrs = false;
break;
}
const std::vector<FunctionType::ParameterAttributes> NullAttrs;
const std::vector<FunctionType::ParameterAttributes> *TheAttrs = &Attrs;
if (noAttrs)
TheAttrs = &NullAttrs;
FunctionValType VT(ReturnType, Params, isVarArg, *TheAttrs);
ParamAttrsList *Attrs) {
FunctionValType VT(ReturnType, Params, isVarArg, Attrs);
FunctionType *MT = FunctionTypes->get(VT);
if (MT) return MT;
MT = (FunctionType*) new char[sizeof(FunctionType) +
sizeof(PATypeHandle)*(Params.size()+1)];
new (MT) FunctionType(ReturnType, Params, isVarArg, *TheAttrs);
new (MT) FunctionType(ReturnType, Params, isVarArg, Attrs);
FunctionTypes->add(VT, MT);
#ifdef DEBUG_MERGE_TYPES
@ -1100,32 +1111,75 @@ FunctionType *FunctionType::get(const Type *ReturnType,
return MT;
}
FunctionType::ParameterAttributes
FunctionType::getParamAttrs(unsigned Idx) const {
if (!ParamAttrs)
return NoAttributeSet;
if (Idx >= ParamAttrs->size())
return NoAttributeSet;
return (*ParamAttrs)[Idx];
FunctionType::~FunctionType() {
delete ParamAttrs;
}
std::string FunctionType::getParamAttrsText(ParameterAttributes Attr) {
bool FunctionType::isStructReturn() const {
if (ParamAttrs)
return ParamAttrs->paramHasAttr(1, StructRetAttribute);
return false;
}
uint16_t
ParamAttrsList::getParamAttrs(uint16_t Index) const {
unsigned limit = attrs.size();
for (unsigned i = 0; i < limit; ++i)
if (attrs[i].index == Index)
return attrs[i].attrs;
return NoAttributeSet;
}
std::string
ParamAttrsList::getParamAttrsText(uint16_t Attrs) {
std::string Result;
if (Attr & ZExtAttribute)
if (Attrs & ZExtAttribute)
Result += "zext ";
if (Attr & SExtAttribute)
if (Attrs & SExtAttribute)
Result += "sext ";
if (Attr & NoReturnAttribute)
if (Attrs & NoReturnAttribute)
Result += "noreturn ";
if (Attr & NoUnwindAttribute)
if (Attrs & NoUnwindAttribute)
Result += "nounwind ";
if (Attr & InRegAttribute)
if (Attrs & InRegAttribute)
Result += "inreg ";
if (Attr & StructRetAttribute)
if (Attrs & StructRetAttribute)
Result += "sret ";
return Result;
}
void
ParamAttrsList::addAttributes(uint16_t Index, uint16_t Attrs) {
// First, try to replace an existing one
for (unsigned i = 0; i < attrs.size(); ++i)
if (attrs[i].index == Index) {
attrs[i].attrs |= Attrs;
return;
}
// If not found, add a new one
ParamAttrsWithIndex Val;
Val.attrs = Attrs;
Val.index = Index;
attrs.push_back(Val);
}
void
ParamAttrsList::removeAttributes(uint16_t Index, uint16_t Attrs) {
// Find the index from which to remove the attributes
for (unsigned i = 0; i < attrs.size(); ++i)
if (attrs[i].index == Index) {
attrs[i].attrs &= ~Attrs;
if (attrs[i].attrs == NoAttributeSet)
attrs.erase(&attrs[i]);
return;
}
// The index wasn't found above
assert(0 && "Index not found for removeAttributes");
}
//===----------------------------------------------------------------------===//
// Array Type Factory...
//