#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/System/Threading.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;
// 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);
}
+unsigned Argument::getParamAlignment() const {
+ assert(getType()->isPointerTy() && "Only pointers have alignments");
+ return getParent()->getParamAlignment(getArgNo()+1);
+
+}
+
+/// 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 {
- const Module* M = getParent();
- if (M) return &M->getContext();
- return 0;
+LLVMContext &Function::getContext() const {
+ return getType()->getContext();
}
-const FunctionType *Function::getFunctionType() const {
+FunctionType *Function::getFunctionType() const {
return cast<FunctionType>(getType()->getElementType());
}
return getFunctionType()->isVarArg();
}
-const Type *Function::getReturnType() const {
+Type *Function::getReturnType() const {
return getFunctionType()->getReturnType();
}
//===----------------------------------------------------------------------===//
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");
+ "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) {
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"
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;
}
bool Intrinsic::isOverloaded(ID id) {
- const bool OTable[] = {
+ static const bool OTable[] = {
false,
#define GET_INTRINSIC_OVERLOAD_TABLE
#include "llvm/Intrinsics.gen"
// 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;
}
+/// 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