#include "llvm/DerivedTypes.h"
#include "llvm/ParameterAttributes.h"
#include "llvm/IntrinsicInst.h"
+#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/Support/LeakDetector.h"
+#include "llvm/Support/ManagedStatic.h"
#include "SymbolTableListTraitsImpl.h"
#include "llvm/ADT/StringExtras.h"
using namespace llvm;
ParamAttrsList::getParamAttrsText(uint16_t Attrs) {
std::string Result;
if (Attrs & ParamAttr::ZExt)
- Result += "zext ";
+ Result += "zeroext ";
if (Attrs & ParamAttr::SExt)
- Result += "sext ";
+ Result += "signext ";
if (Attrs & ParamAttr::NoReturn)
Result += "noreturn ";
if (Attrs & ParamAttr::NoUnwind)
Result += "nounwind ";
if (Attrs & ParamAttr::InReg)
Result += "inreg ";
+ if (Attrs & ParamAttr::NoAlias)
+ Result += "noalias ";
if (Attrs & ParamAttr::StructRet)
Result += "sret ";
+ if (Attrs & ParamAttr::ByVal)
+ Result += "byval ";
+ if (Attrs & ParamAttr::Nest)
+ Result += "nest ";
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::Profile(FoldingSetNodeID &ID) const {
+ for (unsigned i = 0; i < attrs.size(); ++i) {
+ unsigned val = attrs[i].attrs << 16 | attrs[i].index;
+ ID.AddInteger(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 == ParamAttr::None)
- attrs.erase(&attrs[i]);
- return;
- }
+static ManagedStatic<FoldingSet<ParamAttrsList> > ParamAttrsLists;
+
+ParamAttrsList *
+ParamAttrsList::get(const ParamAttrsVector &attrVec) {
+ assert(!attrVec.empty() && "Illegal to create empty ParamAttrsList");
+#ifndef NDEBUG
+ for (unsigned i = 1, e = attrVec.size(); i < e; ++i)
+ assert(attrVec[i-1].index < attrVec[i].index && "Misordered ParamAttrsList!");
+#endif
+ ParamAttrsList key(attrVec);
+ FoldingSetNodeID ID;
+ key.Profile(ID);
+ void *InsertPos;
+ ParamAttrsList* PAL = ParamAttrsLists->FindNodeOrInsertPos(ID, InsertPos);
+ if (!PAL) {
+ PAL = new ParamAttrsList(attrVec);
+ ParamAttrsLists->InsertNode(PAL, InsertPos);
+ }
+ return PAL;
+}
- // The index wasn't found above
- assert(0 && "Index not found for removeAttributes");
+ParamAttrsList::~ParamAttrsList() {
+ ParamAttrsLists->RemoveNode(this);
}
//===----------------------------------------------------------------------===//
const std::string &name, Module *ParentModule)
: GlobalValue(PointerType::get(Ty), Value::FunctionVal, 0, 0, Linkage, name) {
ParamAttrs = 0;
- CallingConvention = 0;
SymTab = new ValueSymbolTable();
assert((getReturnType()->isFirstClassType() ||getReturnType() == Type::VoidTy)
&& "LLVM functions cannot return aggregate values!");
- // Create the arguments vector, all arguments start out unnamed.
- for (unsigned i = 0, e = Ty->getNumParams(); i != e; ++i) {
- assert(Ty->getParamType(i) != Type::VoidTy &&
- "Cannot have void typed arguments!");
- ArgumentList.push_back(new Argument(Ty->getParamType(i)));
- }
-
+ // If the function has arguments, mark them as lazily built.
+ if (Ty->getNumParams())
+ SubclassData = 1; // Set the "has lazy arguments" bit.
+
// Make sure that we get added to a function
LeakDetector::addGarbageObject(this);
// Delete all of the method arguments and unlink from symbol table...
ArgumentList.clear();
delete SymTab;
+
+ // Drop our reference to the parameter attributes, if any.
+ if (ParamAttrs)
+ ParamAttrs->dropRef();
+}
+
+void Function::BuildLazyArguments() const {
+ // Create the arguments vector, all arguments start out unnamed.
+ const FunctionType *FT = getFunctionType();
+ for (unsigned i = 0, e = FT->getNumParams(); i != e; ++i) {
+ assert(FT->getParamType(i) != Type::VoidTy &&
+ "Cannot have void typed arguments!");
+ ArgumentList.push_back(new Argument(FT->getParamType(i)));
+ }
+
+ // Clear the lazy arguments bit.
+ const_cast<Function*>(this)->SubclassData &= ~1;
+}
+
+size_t Function::arg_size() const {
+ return getFunctionType()->getNumParams();
+}
+bool Function::arg_empty() const {
+ return getFunctionType()->getNumParams() == 0;
}
void Function::setParent(Module *parent) {
LeakDetector::removeGarbageObject(this);
}
+void Function::setParamAttrs(ParamAttrsList *attrs) {
+ if (ParamAttrs)
+ ParamAttrs->dropRef();
+
+ if (attrs)
+ attrs->addRef();
+
+ ParamAttrs = attrs;
+}
+
const FunctionType *Function::getFunctionType() const {
return cast<FunctionType>(getType()->getElementType());
}
std::string Result(Table[id]);
for (unsigned i = 0; i < numTys; ++i)
if (Tys[i])
- Result += "." + Tys[i]->getDescription();
+ Result += "." + MVT::getValueTypeString(MVT::getValueType(Tys[i]));
return Result;
}
const FunctionType *Intrinsic::getType(ID id, const Type **Tys,
- uint32_t numTys) {
+ unsigned numTys) {
const Type *ResultTy = NULL;
std::vector<const Type*> ArgTys;
bool IsVarArg = false;
if (isa<PointerType>(CI->getOperand(0)->getType()))
return StripPointerCasts(CI->getOperand(0));
} else if (GetElementPtrInst *GEP = dyn_cast<GetElementPtrInst>(Ptr)) {
- for (unsigned i = 1, e = GEP->getNumOperands(); i != e; ++i)
- if (!isa<Constant>(GEP->getOperand(i)) ||
- !cast<Constant>(GEP->getOperand(i))->isNullValue())
- return Ptr;
- return StripPointerCasts(GEP->getOperand(0));
+ if (GEP->hasAllZeroIndices())
+ return StripPointerCasts(GEP->getOperand(0));
}
return Ptr;
}
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