#include "llvm/Module.h"
#include "llvm/DerivedTypes.h"
#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/Support/RWMutex.h"
+#include "llvm/Support/Threading.h"
#include "SymbolTableListTraitsImpl.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/StringExtras.h"
// Explicit instantiations of SymbolTableListTraits since some of the methods
// are not in the public header file...
-template class SymbolTableListTraits<Argument, Function>;
-template class SymbolTableListTraits<BasicBlock, Function>;
+template class
llvm::SymbolTableListTraits<Argument, Function>;
+template class llvm::SymbolTableListTraits<BasicBlock, Function>;
//===----------------------------------------------------------------------===//
// 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;
/// hasByValAttr - Return true if this argument has the byval attribute on it
/// in its containing function.
bool Argument::hasByValAttr() const {
- if (!isa<PointerType>(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<PointerType>(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<PointerType>(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<PointerType>(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);
// Helper Methods in Function
//===----------------------------------------------------------------------===//
+LLVMContext &Function::getContext() const {
+ return getType()->getContext();
+}
+
const FunctionType *Function::getFunctionType() const {
return cast<FunctionType>(getType()->getElementType());
}
//===----------------------------------------------------------------------===//
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<OpaqueType>(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);
// 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<Function*>(this)->SubclassData &= ~1;
+ unsigned SDC = getSubclassDataFromValue();
+ const_cast<Function*>(this)->setValueSubclassData(SDC &= ~1);
}
size_t Function::arg_size() const {
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) {
// allocating an additional word in Function for programs which do not use GC
// (i.e., most programs) at the cost of increased overhead for clients which do
// use GC.
-static ManagedStatic<DenseMap<const Function*,PooledStringPtr> > GCNames;
-static ManagedStatic<StringPool> GCNamePool;
-static ManagedStatic<sys::RWMutex> GCLock;
+static DenseMap<const Function*,PooledStringPtr> *GCNames;
+static StringPool *GCNamePool;
+static ManagedStatic<sys::SmartRWMutex<true> > GCLock;
bool Function::hasGC() const {
- if (llvm_is_multithreaded()) {
- sys::ScopedReader Reader(&*GCLock);
- return GCNames->count(this);
- } else
- return GCNames->count(this);
+ sys::SmartScopedReader<true> Reader(*GCLock);
+ return GCNames && GCNames->count(this);
}
const char *Function::getGC() const {
assert(hasGC() && "Function has no collector");
-
- if (llvm_is_multithreaded()) {
- sys::ScopedReader Reader(&*GCLock);
- return *(*GCNames)[this];
- } else
- return *(*GCNames)[this];
+ sys::SmartScopedReader<true> Reader(*GCLock);
+ return *(*GCNames)[this];
}
void Function::setGC(const char *Str) {
- if (llvm_is_multithreaded()) {
- sys::ScopedWriter Writer(&*GCLock);
- (*GCNames)[this] = GCNamePool->intern(Str);
- } else
- (*GCNames)[this] = GCNamePool->intern(Str);
+ sys::SmartScopedWriter<true> Writer(*GCLock);
+ if (!GCNamePool)
+ GCNamePool = new StringPool();
+ if (!GCNames)
+ GCNames = new DenseMap<const Function*,PooledStringPtr>();
+ (*GCNames)[this] = GCNamePool->intern(Str);
}
void Function::clearGC() {
- if (llvm_is_multithreaded()) {
- sys::ScopedWriter Writer(&*GCLock);
- GCNames->erase(this);
- } else
+ sys::SmartScopedWriter<true> Writer(*GCLock);
+ if (GCNames) {
GCNames->erase(this);
+ if (GCNames->empty()) {
+ delete GCNames;
+ GCNames = 0;
+ if (GCNamePool->empty()) {
+ delete GCNamePool;
+ GCNamePool = 0;
+ }
+ }
+ }
}
/// copyAttributesFrom - copy all additional attributes (those not needed to
for (unsigned i = 0; i < numTys; ++i) {
if (const PointerType* PTyp = dyn_cast<PointerType>(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;
}
-const FunctionType *Intrinsic::getType(ID id, const Type **Tys,
+const FunctionType *Intrinsic::getType(LLVMContext &Context,
+ ID id, const Type **Tys,
unsigned numTys) {
const Type *ResultTy = NULL;
std::vector<const Type*> ArgTys;
// because intrinsics must be a specific type.
return
cast<Function>(M->getOrInsertFunction(getName(id, Tys, numTys),
- getType(id, Tys, numTys)));
+ getType(M->getContext(),
+ id, Tys, numTys)));
}
// This defines the "Intrinsic::getIntrinsicForGCCBuiltin()" method.
#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<CallInst>(*I) && !isa<InvokeInst>(*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<CallInst>(U) && !isa<InvokeInst>(U))
+ return PutOffender ? (*PutOffender = U, true) : true;
+ ImmutableCallSite CS(cast<Instruction>(U));
+ if (!CS.isCallee(I))
+ return PutOffender ? (*PutOffender = U, true) : true;
}
return false;
}
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