X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FVMCore%2FFunction.cpp;h=00d1d7873247736ca734b950449f53b38ebf9f10;hb=6c3541d5597033bdb2f26f5ade811b482c32a39a;hp=23adaed4a24aa48bf072b12388a71a5d859a52cb;hpb=f81b57694b3c34a79b1464ffd21e6768c8d22662;p=oota-llvm.git diff --git a/lib/VMCore/Function.cpp b/lib/VMCore/Function.cpp index 23adaed4a24..00d1d787324 100644 --- a/lib/VMCore/Function.cpp +++ b/lib/VMCore/Function.cpp @@ -16,11 +16,12 @@ #include "llvm/IntrinsicInst.h" #include "llvm/LLVMContext.h" #include "llvm/CodeGen/ValueTypes.h" +#include "llvm/Support/CallSite.h" #include "llvm/Support/LeakDetector.h" #include "llvm/Support/ManagedStatic.h" #include "llvm/Support/StringPool.h" -#include "llvm/System/RWMutex.h" -#include "llvm/System/Threading.h" +#include "llvm/Support/RWMutex.h" +#include "llvm/Support/Threading.h" #include "SymbolTableListTraitsImpl.h" #include "llvm/ADT/DenseMap.h" #include "llvm/ADT/StringExtras.h" @@ -29,14 +30,14 @@ using namespace llvm; // Explicit instantiations of SymbolTableListTraits since some of the methods // are not in the public header file... -template class SymbolTableListTraits; -template class SymbolTableListTraits; +template class llvm::SymbolTableListTraits; +template class llvm::SymbolTableListTraits; //===----------------------------------------------------------------------===// // Argument Implementation //===----------------------------------------------------------------------===// -Argument::Argument(const Type *Ty, const std::string &Name, Function *Par) +Argument::Argument(const Type *Ty, const Twine &Name, Function *Par) : Value(Ty, Value::ArgumentVal) { Parent = 0; @@ -73,28 +74,35 @@ unsigned Argument::getArgNo() const { /// hasByValAttr - Return true if this argument has the byval attribute on it /// in its containing function. bool Argument::hasByValAttr() const { - if (!isa(getType())) return false; + if (!getType()->isPointerTy()) return false; return getParent()->paramHasAttr(getArgNo()+1, Attribute::ByVal); } +/// hasNestAttr - Return true if this argument has the nest attribute on +/// it in its containing function. +bool Argument::hasNestAttr() const { + if (!getType()->isPointerTy()) return false; + return getParent()->paramHasAttr(getArgNo()+1, Attribute::Nest); +} + /// hasNoAliasAttr - Return true if this argument has the noalias attribute on /// it in its containing function. bool Argument::hasNoAliasAttr() const { - if (!isa(getType())) return false; + if (!getType()->isPointerTy()) return false; return getParent()->paramHasAttr(getArgNo()+1, Attribute::NoAlias); } /// hasNoCaptureAttr - Return true if this argument has the nocapture attribute /// on it in its containing function. bool Argument::hasNoCaptureAttr() const { - if (!isa(getType())) return false; + if (!getType()->isPointerTy()) return false; return getParent()->paramHasAttr(getArgNo()+1, Attribute::NoCapture); } /// hasSRetAttr - Return true if this argument has the sret attribute on /// it in its containing function. bool Argument::hasStructRetAttr() const { - if (!isa(getType())) return false; + if (!getType()->isPointerTy()) return false; if (this != getParent()->arg_begin()) return false; // StructRet param must be first param return getParent()->paramHasAttr(1, Attribute::StructRet); @@ -115,10 +123,8 @@ void Argument::removeAttr(Attributes attr) { // Helper Methods in Function //===----------------------------------------------------------------------===// -LLVMContext *Function::getContext() const { - const Module* M = getParent(); - if (M) return &M->getContext(); - return 0; +LLVMContext &Function::getContext() const { + return getType()->getContext(); } const FunctionType *Function::getFunctionType() const { @@ -146,16 +152,16 @@ void Function::eraseFromParent() { //===----------------------------------------------------------------------===// Function::Function(const FunctionType *Ty, LinkageTypes Linkage, - const std::string &name, Module *ParentModule) + const Twine &name, Module *ParentModule) : GlobalValue(PointerType::getUnqual(Ty), Value::FunctionVal, 0, 0, Linkage, name) { assert(FunctionType::isValidReturnType(getReturnType()) && - !isa(getReturnType()) && "invalid return type"); + !getReturnType()->isOpaqueTy() && "invalid return type"); SymTab = new ValueSymbolTable(); // If the function has arguments, mark them as lazily built. if (Ty->getNumParams()) - SubclassData = 1; // Set the "has lazy arguments" bit. + setValueSubclassData(1); // Set the "has lazy arguments" bit. // Make sure that we get added to a function LeakDetector::addGarbageObject(this); @@ -184,13 +190,14 @@ 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 && + assert(!FT->getParamType(i)->isVoidTy() && "Cannot have void typed arguments!"); ArgumentList.push_back(new Argument(FT->getParamType(i))); } // Clear the lazy arguments bit. - const_cast(this)->SubclassData &= ~1; + unsigned SDC = getSubclassDataFromValue(); + const_cast(this)->setValueSubclassData(SDC &= ~1); } size_t Function::arg_size() const { @@ -219,7 +226,11 @@ void Function::setParent(Module *parent) { void Function::dropAllReferences() { for (iterator I = begin(), E = end(); I != E; ++I) I->dropAllReferences(); - BasicBlocks.clear(); // Delete all basic blocks... + + // Delete all basic blocks. They are now unused, except possibly by + // blockaddresses, but BasicBlock's destructor takes care of those. + while (!BasicBlocks.empty()) + BasicBlocks.begin()->eraseFromParent(); } void Function::addAttribute(unsigned i, Attributes attr) { @@ -329,10 +340,10 @@ std::string Intrinsic::getName(ID id, const Type **Tys, unsigned numTys) { for (unsigned i = 0; i < numTys; ++i) { if (const PointerType* PTyp = dyn_cast(Tys[i])) { Result += ".p" + llvm::utostr(PTyp->getAddressSpace()) + - MVT::getMVT(PTyp->getElementType()).getMVTString(); + EVT::getEVT(PTyp->getElementType()).getEVTString(); } else if (Tys[i]) - Result += "." + MVT::getMVT(Tys[i]).getMVTString(); + Result += "." + EVT::getEVT(Tys[i]).getEVTString(); } return Result; } @@ -348,7 +359,7 @@ const FunctionType *Intrinsic::getType(LLVMContext &Context, #include "llvm/Intrinsics.gen" #undef GET_INTRINSIC_GENERATOR - return Context.getFunctionType(ResultTy, ArgTys, IsVarArg); + return FunctionType::get(ResultTy, ArgTys, IsVarArg); } bool Intrinsic::isOverloaded(ID id) { @@ -381,13 +392,16 @@ Function *Intrinsic::getDeclaration(Module *M, ID id, const Type **Tys, #include "llvm/Intrinsics.gen" #undef GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN - /// hasAddressTaken - returns true if there are any uses of this function - /// other than direct calls or invokes to it. -bool Function::hasAddressTaken() const { - for (Value::use_const_iterator I = use_begin(), E = use_end(); I != E; ++I) { - if (I.getOperandNo() != 0 || - (!isa(*I) && !isa(*I))) - return true; +/// hasAddressTaken - returns true if there are any uses of this function +/// other than direct calls or invokes to it. +bool Function::hasAddressTaken(const User* *PutOffender) const { + for (Value::const_use_iterator I = use_begin(), E = use_end(); I != E; ++I) { + const User *U = *I; + if (!isa(U) && !isa(U)) + return PutOffender ? (*PutOffender = U, true) : true; + ImmutableCallSite CS(cast(U)); + if (!CS.isCallee(I)) + return PutOffender ? (*PutOffender = U, true) : true; } return false; }