diff options
Diffstat (limited to 'lib/IR/DataLayout.cpp')
-rw-r--r-- | lib/IR/DataLayout.cpp | 54 |
1 files changed, 13 insertions, 41 deletions
diff --git a/lib/IR/DataLayout.cpp b/lib/IR/DataLayout.cpp index f09de3a731..ecd5216f20 100644 --- a/lib/IR/DataLayout.cpp +++ b/lib/IR/DataLayout.cpp @@ -438,6 +438,12 @@ DataLayout::~DataLayout() { delete static_cast<StructLayoutMap*>(LayoutMap); } +bool DataLayout::doFinalization(Module &M) { + delete static_cast<StructLayoutMap*>(LayoutMap); + LayoutMap = 0; + return false; +} + const StructLayout *DataLayout::getStructLayout(StructType *Ty) const { if (!LayoutMap) LayoutMap = new StructLayoutMap(); @@ -504,47 +510,6 @@ std::string DataLayout::getStringRepresentation() const { } -uint64_t DataLayout::getTypeSizeInBits(Type *Ty) const { - assert(Ty->isSized() && "Cannot getTypeInfo() on a type that is unsized!"); - switch (Ty->getTypeID()) { - case Type::LabelTyID: - return getPointerSizeInBits(0); - case Type::PointerTyID: { - unsigned AS = dyn_cast<PointerType>(Ty)->getAddressSpace(); - return getPointerSizeInBits(AS); - } - case Type::ArrayTyID: { - ArrayType *ATy = cast<ArrayType>(Ty); - return getTypeAllocSizeInBits(ATy->getElementType())*ATy->getNumElements(); - } - case Type::StructTyID: - // Get the layout annotation... which is lazily created on demand. - return getStructLayout(cast<StructType>(Ty))->getSizeInBits(); - case Type::IntegerTyID: - return cast<IntegerType>(Ty)->getBitWidth(); - case Type::HalfTyID: - return 16; - case Type::FloatTyID: - return 32; - case Type::DoubleTyID: - case Type::X86_MMXTyID: - return 64; - case Type::PPC_FP128TyID: - case Type::FP128TyID: - return 128; - // In memory objects this is always aligned to a higher boundary, but - // only 80 bits contain information. - case Type::X86_FP80TyID: - return 80; - case Type::VectorTyID: { - VectorType *VTy = cast<VectorType>(Ty); - return VTy->getNumElements()*getTypeSizeInBits(VTy->getElementType()); - } - default: - llvm_unreachable("DataLayout::getTypeSizeInBits(): Unsupported type"); - } -} - /*! \param abi_or_pref Flag that determines which alignment is returned. true returns the ABI alignment, false returns the preferred alignment. @@ -656,6 +621,13 @@ Type *DataLayout::getIntPtrType(Type *Ty) const { return IntTy; } +Type *DataLayout::getSmallestLegalIntType(LLVMContext &C, unsigned Width) const { + for (unsigned i = 0, e = (unsigned)LegalIntWidths.size(); i != e; ++i) + if (Width <= LegalIntWidths[i]) + return Type::getIntNTy(C, LegalIntWidths[i]); + return 0; +} + uint64_t DataLayout::getIndexedOffset(Type *ptrTy, ArrayRef<Value *> Indices) const { Type *Ty = ptrTy; |