//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#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/Support/RWMutex.h"
+#include "llvm/Support/Threading.h"
#include "SymbolTableListTraitsImpl.h"
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringExtras.h"
using namespace llvm;
-BasicBlock *ilist_traits<BasicBlock>::createSentinel() {
- BasicBlock *Ret = new BasicBlock();
- // This should not be garbage monitored.
- LeakDetector::removeGarbageObject(Ret);
- return Ret;
-}
-
-iplist<BasicBlock> &ilist_traits<BasicBlock>::getList(Function *F) {
- return F->getBasicBlockList();
-}
-
-Argument *ilist_traits<Argument>::createSentinel() {
- Argument *Ret = new Argument(Type::Int32Ty);
- // This should not be garbage monitored.
- LeakDetector::removeGarbageObject(Ret);
- return Ret;
-}
-
-iplist<Argument> &ilist_traits<Argument>::getList(Function *F) {
- return F->getArgumentList();
-}
// 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;
LeakDetector::removeGarbageObject(this);
}
-//===----------------------------------------------------------------------===//
-// ParamAttrsList Implementation
-//===----------------------------------------------------------------------===//
+/// getArgNo - Return the index of this formal argument in its containing
+/// function. For example in "void foo(int a, float b)" a is 0 and b is 1.
+unsigned Argument::getArgNo() const {
+ const Function *F = getParent();
+ assert(F && "Argument is not in a function");
+
+ Function::const_arg_iterator AI = F->arg_begin();
+ unsigned ArgIdx = 0;
+ for (; &*AI != this; ++AI)
+ ++ArgIdx;
-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 ParamAttr::None;
-}
-
-std::string
-ParamAttrsList::getParamAttrsText(uint16_t Attrs) {
- std::string Result;
- if (Attrs & ParamAttr::ZExt)
- Result += "zeroext ";
- if (Attrs & ParamAttr::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 ";
- if (Attrs & ParamAttr::ReadNone)
- Result += "readnone ";
- if (Attrs & ParamAttr::ReadOnly)
- Result += "readonly ";
- return Result;
+ return ArgIdx;
}
-/// onlyInformative - Returns whether only informative attributes are set.
-static inline bool onlyInformative(uint16_t attrs) {
- return !(attrs & ~ParamAttr::Informative);
-}
-
-bool
-ParamAttrsList::areCompatible(const ParamAttrsList *A, const ParamAttrsList *B){
- if (A == B)
- return true;
- unsigned ASize = A ? A->size() : 0;
- unsigned BSize = B ? B->size() : 0;
- unsigned AIndex = 0;
- unsigned BIndex = 0;
-
- while (AIndex < ASize && BIndex < BSize) {
- uint16_t AIdx = A->getParamIndex(AIndex);
- uint16_t BIdx = B->getParamIndex(BIndex);
- uint16_t AAttrs = A->getParamAttrsAtIndex(AIndex);
- uint16_t BAttrs = B->getParamAttrsAtIndex(AIndex);
-
- if (AIdx < BIdx) {
- if (!onlyInformative(AAttrs))
- return false;
- ++AIndex;
- } else if (BIdx < AIdx) {
- if (!onlyInformative(BAttrs))
- return false;
- ++BIndex;
- } else {
- if (!onlyInformative(AAttrs ^ BAttrs))
- return false;
- ++AIndex;
- ++BIndex;
- }
- }
- for (; AIndex < ASize; ++AIndex)
- if (!onlyInformative(A->getParamAttrsAtIndex(AIndex)))
- return false;
- for (; BIndex < BSize; ++BIndex)
- if (!onlyInformative(B->getParamAttrsAtIndex(AIndex)))
- return false;
- return true;
-}
-
-void
-ParamAttrsList::Profile(FoldingSetNodeID &ID) const {
- for (unsigned i = 0; i < attrs.size(); ++i) {
- uint32_t val = uint32_t(attrs[i].attrs) << 16 | attrs[i].index;
- ID.AddInteger(val);
- }
+/// hasByValAttr - Return true if this argument has the byval attribute on it
+/// in its containing function.
+bool Argument::hasByValAttr() const {
+ if (!getType()->isPointerTy()) return false;
+ return getParent()->paramHasAttr(getArgNo()+1, Attribute::ByVal);
}
-static ManagedStatic<FoldingSet<ParamAttrsList> > ParamAttrsLists;
+unsigned Argument::getParamAlignment() const {
+ assert(getType()->isPointerTy() && "Only pointers have alignments");
+ return getParent()->getParamAlignment(getArgNo()+1);
+
+}
-const ParamAttrsList *
-ParamAttrsList::get(const ParamAttrsVector &attrVec) {
- // If there are no attributes then return a null ParamAttrsList pointer.
- if (attrVec.empty())
- return 0;
+/// 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);
+}
-#ifndef NDEBUG
- for (unsigned i = 0, e = attrVec.size(); i < e; ++i) {
- assert(attrVec[i].attrs != ParamAttr::None
- && "Pointless parameter attribute!");
- assert((!i || attrVec[i-1].index < attrVec[i].index)
- && "Misordered ParamAttrsList!");
- }
-#endif
-
- // Otherwise, build a key to look up the existing attributes.
- ParamAttrsList key(attrVec);
- FoldingSetNodeID ID;
- key.Profile(ID);
- void *InsertPos;
- ParamAttrsList* PAL = ParamAttrsLists->FindNodeOrInsertPos(ID, InsertPos);
-
- // If we didn't find any existing attributes of the same shape then
- // create a new one and insert it.
- if (!PAL) {
- PAL = new ParamAttrsList(attrVec);
- ParamAttrsLists->InsertNode(PAL, InsertPos);
- }
+/// hasNoAliasAttr - Return true if this argument has the noalias attribute on
+/// it in its containing function.
+bool Argument::hasNoAliasAttr() const {
+ if (!getType()->isPointerTy()) return false;
+ return getParent()->paramHasAttr(getArgNo()+1, Attribute::NoAlias);
+}
- // Return the ParamAttrsList that we found or created.
- return PAL;
-}
-
-const ParamAttrsList *
-ParamAttrsList::getModified(const ParamAttrsList *PAL,
- const ParamAttrsVector &modVec) {
- if (modVec.empty())
- return PAL;
-
-#ifndef NDEBUG
- for (unsigned i = 0, e = modVec.size(); i < e; ++i)
- assert((!i || modVec[i-1].index < modVec[i].index)
- && "Misordered ParamAttrsList!");
-#endif
-
- if (!PAL) {
- // Strip any instances of ParamAttr::None from modVec before calling 'get'.
- ParamAttrsVector newVec;
- for (unsigned i = 0, e = modVec.size(); i < e; ++i)
- if (modVec[i].attrs != ParamAttr::None)
- newVec.push_back(modVec[i]);
- return get(newVec);
- }
+/// hasNoCaptureAttr - Return true if this argument has the nocapture attribute
+/// on it in its containing function.
+bool Argument::hasNoCaptureAttr() const {
+ if (!getType()->isPointerTy()) return false;
+ return getParent()->paramHasAttr(getArgNo()+1, Attribute::NoCapture);
+}
- const ParamAttrsVector &oldVec = PAL->attrs;
-
- ParamAttrsVector newVec;
- unsigned oldI = 0;
- unsigned modI = 0;
- unsigned oldE = oldVec.size();
- unsigned modE = modVec.size();
-
- while (oldI < oldE && modI < modE) {
- uint16_t oldIndex = oldVec[oldI].index;
- uint16_t modIndex = modVec[modI].index;
-
- if (oldIndex < modIndex) {
- newVec.push_back(oldVec[oldI]);
- ++oldI;
- } else if (modIndex < oldIndex) {
- if (modVec[modI].attrs != ParamAttr::None)
- newVec.push_back(modVec[modI]);
- ++modI;
- } else {
- // Same index - overwrite or delete existing attributes.
- if (modVec[modI].attrs != ParamAttr::None)
- newVec.push_back(modVec[modI]);
- ++oldI;
- ++modI;
- }
- }
+/// hasSRetAttr - Return true if this argument has the sret attribute on
+/// it in its containing function.
+bool Argument::hasStructRetAttr() const {
+ if (!getType()->isPointerTy()) return false;
+ if (this != getParent()->arg_begin())
+ return false; // StructRet param must be first param
+ return getParent()->paramHasAttr(1, Attribute::StructRet);
+}
- for (; oldI < oldE; ++oldI)
- newVec.push_back(oldVec[oldI]);
- for (; modI < modE; ++modI)
- if (modVec[modI].attrs != ParamAttr::None)
- newVec.push_back(modVec[modI]);
+/// addAttr - Add a Attribute to an argument
+void Argument::addAttr(Attributes attr) {
+ getParent()->addAttribute(getArgNo() + 1, attr);
+}
- return get(newVec);
+/// removeAttr - Remove a Attribute from an argument
+void Argument::removeAttr(Attributes attr) {
+ getParent()->removeAttribute(getArgNo() + 1, attr);
}
-ParamAttrsList::~ParamAttrsList() {
- ParamAttrsLists->RemoveNode(this);
+
+//===----------------------------------------------------------------------===//
+// Helper Methods in Function
+//===----------------------------------------------------------------------===//
+
+LLVMContext &Function::getContext() const {
+ return getType()->getContext();
+}
+
+FunctionType *Function::getFunctionType() const {
+ return cast<FunctionType>(getType()->getElementType());
+}
+
+bool Function::isVarArg() const {
+ return getFunctionType()->isVarArg();
+}
+
+Type *Function::getReturnType() const {
+ return getFunctionType()->getReturnType();
+}
+
+void Function::removeFromParent() {
+ getParent()->getFunctionList().remove(this);
+}
+
+void Function::eraseFromParent() {
+ getParent()->getFunctionList().erase(this);
}
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
Function::Function(const FunctionType *Ty, LinkageTypes Linkage,
- const std::string &name, Module *ParentModule)
- : GlobalValue(PointerType::get(Ty), Value::FunctionVal, 0, 0, Linkage, name),
- ParamAttrs(0) {
+ const Twine &name, Module *ParentModule)
+ : GlobalValue(PointerType::getUnqual(Ty),
+ Value::FunctionVal, 0, 0, Linkage, name) {
+ assert(FunctionType::isValidReturnType(getReturnType()) &&
+ "invalid return type");
SymTab = new ValueSymbolTable();
- assert((getReturnType()->isFirstClassType() ||getReturnType() == Type::VoidTy)
- && "LLVM functions cannot return aggregate values!");
-
// 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);
if (ParentModule)
ParentModule->getFunctionList().push_back(this);
+
+ // Ensure intrinsics have the right parameter attributes.
+ if (unsigned IID = getIntrinsicID())
+ setAttributes(Intrinsic::getAttributes(Intrinsic::ID(IID)));
+
}
Function::~Function() {
ArgumentList.clear();
delete SymTab;
- // Drop our reference to the parameter attributes, if any.
- if (ParamAttrs)
- ParamAttrs->dropRef();
+ // Remove the function from the on-the-side GC table.
+ clearGC();
}
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<Function*>(this)->SubclassData &= ~1;
+ unsigned SDC = getSubclassDataFromValue();
+ const_cast<Function*>(this)->setValueSubclassData(SDC &= ~1);
}
size_t Function::arg_size() const {
LeakDetector::removeGarbageObject(this);
}
-void Function::setParamAttrs(const ParamAttrsList *attrs) {
- // Avoid deleting the ParamAttrsList if they are setting the
- // attributes to the same list.
- if (ParamAttrs == attrs)
- return;
-
- // Drop reference on the old ParamAttrsList
- if (ParamAttrs)
- ParamAttrs->dropRef();
-
- // Add reference to the new ParamAttrsList
- if (attrs)
- attrs->addRef();
-
- // Set the new ParamAttrsList.
- ParamAttrs = attrs;
-}
-
-const FunctionType *Function::getFunctionType() const {
- return cast<FunctionType>(getType()->getElementType());
-}
-
-bool Function::isVarArg() const {
- return getFunctionType()->isVarArg();
-}
-
-const Type *Function::getReturnType() const {
- return getFunctionType()->getReturnType();
-}
-
-void Function::removeFromParent() {
- getParent()->getFunctionList().remove(this);
-}
-
-void Function::eraseFromParent() {
- getParent()->getFunctionList().erase(this);
-}
-
// dropAllReferences() - This function causes all the subinstructions to "let
// go" of all references that they are maintaining. This allows one to
// 'delete' a whole class at a time, even though there may be circular
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) {
+ AttrListPtr PAL = getAttributes();
+ PAL = PAL.addAttr(i, attr);
+ setAttributes(PAL);
+}
+
+void Function::removeAttribute(unsigned i, Attributes attr) {
+ AttrListPtr PAL = getAttributes();
+ PAL = PAL.removeAttr(i, attr);
+ setAttributes(PAL);
+}
+
+// Maintain the GC name for each function in an on-the-side table. This saves
+// 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 DenseMap<const Function*,PooledStringPtr> *GCNames;
+static StringPool *GCNamePool;
+static ManagedStatic<sys::SmartRWMutex<true> > GCLock;
+
+bool Function::hasGC() const {
+ sys::SmartScopedReader<true> Reader(*GCLock);
+ return GCNames && GCNames->count(this);
+}
+
+const char *Function::getGC() const {
+ assert(hasGC() && "Function has no collector");
+ sys::SmartScopedReader<true> Reader(*GCLock);
+ return *(*GCNames)[this];
+}
+
+void Function::setGC(const char *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() {
+ 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
+/// create a Function) from the Function Src to this one.
+void Function::copyAttributesFrom(const GlobalValue *Src) {
+ assert(isa<Function>(Src) && "Expected a Function!");
+ GlobalValue::copyAttributesFrom(Src);
+ const Function *SrcF = cast<Function>(Src);
+ setCallingConv(SrcF->getCallingConv());
+ setAttributes(SrcF->getAttributes());
+ if (SrcF->hasGC())
+ setGC(SrcF->getGC());
+ else
+ clearGC();
}
/// getIntrinsicID - This method returns the ID number of the specified
/// particular intrinsic functions which correspond to this value are defined in
/// llvm/Intrinsics.h.
///
-unsigned Function::getIntrinsicID(bool noAssert) const {
+unsigned Function::getIntrinsicID() const {
const ValueName *ValName = this->getValueName();
if (!ValName)
return 0;
|| Name[2] != 'v' || Name[3] != 'm')
return 0; // All intrinsics start with 'llvm.'
- assert((Len != 5 || noAssert) && "'llvm.' is an invalid intrinsic name!");
-
#define GET_FUNCTION_RECOGNIZER
#include "llvm/Intrinsics.gen"
#undef GET_FUNCTION_RECOGNIZER
- assert(noAssert && "Invalid LLVM intrinsic name");
return 0;
}
std::string Intrinsic::getName(ID id, const Type **Tys, unsigned numTys) {
assert(id < num_intrinsics && "Invalid intrinsic ID!");
- const char * const Table[] = {
+ static const char * const Table[] = {
"not_intrinsic",
#define GET_INTRINSIC_NAME_TABLE
#include "llvm/Intrinsics.gen"
if (numTys == 0)
return Table[id];
std::string Result(Table[id]);
- for (unsigned i = 0; i < numTys; ++i)
- if (Tys[i])
- Result += "." + MVT::getValueTypeString(MVT::getValueType(Tys[i]));
+ for (unsigned i = 0; i < numTys; ++i) {
+ if (const PointerType* PTyp = dyn_cast<PointerType>(Tys[i])) {
+ Result += ".p" + llvm::utostr(PTyp->getAddressSpace()) +
+ EVT::getEVT(PTyp->getElementType()).getEVTString();
+ }
+ else if (Tys[i])
+ 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;
return FunctionType::get(ResultTy, ArgTys, IsVarArg);
}
+bool Intrinsic::isOverloaded(ID id) {
+ static const bool OTable[] = {
+ false,
+#define GET_INTRINSIC_OVERLOAD_TABLE
+#include "llvm/Intrinsics.gen"
+#undef GET_INTRINSIC_OVERLOAD_TABLE
+ };
+ return OTable[id];
+}
+
+/// This defines the "Intrinsic::getAttributes(ID id)" method.
+#define GET_INTRINSIC_ATTRIBUTES
+#include "llvm/Intrinsics.gen"
+#undef GET_INTRINSIC_ATTRIBUTES
+
Function *Intrinsic::getDeclaration(Module *M, ID id, const Type **Tys,
unsigned numTys) {
-// There can never be multiple globals with the same name of different types,
-// because intrinsics must be a specific type.
- return cast<Function>(M->getOrInsertFunction(getName(id, Tys, numTys),
- getType(id, Tys, numTys)));
-}
-
-Value *IntrinsicInst::StripPointerCasts(Value *Ptr) {
- if (ConstantExpr *CE = dyn_cast<ConstantExpr>(Ptr)) {
- if (CE->getOpcode() == Instruction::BitCast) {
- if (isa<PointerType>(CE->getOperand(0)->getType()))
- return StripPointerCasts(CE->getOperand(0));
- } else if (CE->getOpcode() == Instruction::GetElementPtr) {
- for (unsigned i = 1, e = CE->getNumOperands(); i != e; ++i)
- if (!CE->getOperand(i)->isNullValue())
- return Ptr;
- return StripPointerCasts(CE->getOperand(0));
- }
- return Ptr;
- }
+ // There can never be multiple globals with the same name of different types,
+ // because intrinsics must be a specific type.
+ return
+ cast<Function>(M->getOrInsertFunction(getName(id, Tys, numTys),
+ getType(M->getContext(),
+ id, Tys, numTys)));
+}
- if (BitCastInst *CI = dyn_cast<BitCastInst>(Ptr)) {
- if (isa<PointerType>(CI->getOperand(0)->getType()))
- return StripPointerCasts(CI->getOperand(0));
- } else if (GetElementPtrInst *GEP = dyn_cast<GetElementPtrInst>(Ptr)) {
- if (GEP->hasAllZeroIndices())
- return StripPointerCasts(GEP->getOperand(0));
+// This defines the "Intrinsic::getIntrinsicForGCCBuiltin()" method.
+#define GET_LLVM_INTRINSIC_FOR_GCC_BUILTIN
+#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 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 Ptr;
+ return false;
+}
+
+/// callsFunctionThatReturnsTwice - Return true if the function has a call to
+/// setjmp or other function that gcc recognizes as "returning twice".
+///
+/// FIXME: Remove after <rdar://problem/8031714> is fixed.
+/// FIXME: Is the above FIXME valid?
+bool Function::callsFunctionThatReturnsTwice() const {
+ const Module *M = this->getParent();
+ static const char *ReturnsTwiceFns[] = {
+ "_setjmp",
+ "setjmp",
+ "sigsetjmp",
+ "setjmp_syscall",
+ "savectx",
+ "qsetjmp",
+ "vfork",
+ "getcontext"
+ };
+
+ for (unsigned I = 0; I < array_lengthof(ReturnsTwiceFns); ++I)
+ if (const Function *Callee = M->getFunction(ReturnsTwiceFns[I])) {
+ if (!Callee->use_empty())
+ for (Value::const_use_iterator
+ I = Callee->use_begin(), E = Callee->use_end();
+ I != E; ++I)
+ if (const CallInst *CI = dyn_cast<CallInst>(*I))
+ if (CI->getParent()->getParent() == this)
+ return true;
+ }
+
+ return false;
}
// vim: sw=2 ai
projects / oota-llvm.git / blobdiff