Cross Reference: /external/clang/lib/CodeGen/CGRecordLayoutBuilder.cpp

Lines Matching refs:llvm
24 #include "llvm/IR/DataLayout.h"
25 #include "llvm/IR/DerivedTypes.h"
26 #include "llvm/IR/Type.h"
27 #include "llvm/Support/Debug.h"
28 #include "llvm/Support/MathExtras.h"
29 #include "llvm/Support/raw_ostream.h"
35 /// llvm::Type.  Some of the lowering is straightforward, some is not.  Here we
38 ///   llvm::Type with correct size.  We choose a field via a specific heuristic
45 ///   when lowered to llvm types.  For example unsigned x : 24 gets lowered to
67 ///   should because locations of things such as VBases are bogus in the llvm
81     llvm::Type *Data;
86     MemberInfo(CharUnits Offset, InfoKind Kind, llvm::Type *Data,
89     MemberInfo(CharUnits Offset, InfoKind Kind, llvm::Type *Data,
98   /// \brief Constructs a MemberInfo instance from an offset and llvm::Type *.
99   MemberInfo StorageInfo(CharUnits Offset, llvm::Type *Data) {
106   /// \brief Wraps llvm::Type::getIntNTy with some implicit arguments.
107   llvm::Type *getIntNType(uint64_t NumBits) {
108     return llvm::Type::getIntNTy(Types.getLLVMContext(),
109         (unsigned)llvm::RoundUpToAlignment(NumBits, 8));
111   /// \brief Gets an llvm type of size NumBytes and alignment 1.
112   llvm::Type *getByteArrayType(CharUnits NumBytes) {
114     llvm::Type *Type = llvm::Type::getInt8Ty(Types.getLLVMContext());
116         (llvm::Type *)llvm::ArrayType::get(Type, NumBytes.getQuantity());
120   llvm::Type *getStorageType(const FieldDecl *FD) {
121     llvm::Type *Type = Types.ConvertTypeForMem(FD->getType());
126   /// \brief Gets the llvm Basesubobject type from a CXXRecordDecl.
127   llvm::Type *getStorageType(const CXXRecordDecl *RD) {
133   CharUnits getSize(llvm::Type *Type) {
136   CharUnits getAlignment(llvm::Type *Type) {
159                        llvm::Type *StorageType);
160   /// \brief Lowers an ASTRecordLayout to a llvm type.
176   /// \brief Determines if we need a packed llvm struct.
188   const llvm::DataLayout &DataLayout;
192   SmallVector<llvm::Type *, 16> FieldTypes;
193   llvm::DenseMap<const FieldDecl *, unsigned> Fields;
194   llvm::DenseMap<const FieldDecl *, CGBitFieldInfo> BitFields;
195   llvm::DenseMap<const CXXRecordDecl *, unsigned> NonVirtualBases;
196   llvm::DenseMap<const CXXRecordDecl *, unsigned> VirtualBases;
214     const FieldDecl *FD, CharUnits StartOffset, llvm::Type *StorageType) {
243   // 4) Determine if the llvm-struct requires packing.  It's important that this
244   //    phase occur after clipping, because clipping changes the llvm type.
281   llvm::Type *StorageType = nullptr;
295       llvm::Type *FieldType = getStorageType(Field);
301     llvm::Type *FieldType = getStorageType(Field);
361       llvm::Type *Type = Types.ConvertTypeForMem(Field->getType());
403     llvm::Type *Type = getIntNType(Tail - StartBitOffset);
436         llvm::FunctionType::get(getIntNType(32), /*isVarArg=*/true)->
440         llvm::Type::getInt32PtrTy(Types.getLLVMContext())));
527       Prior->Data = getByteArrayType(bitsToCharUnits(llvm::RoundUpToAlignment(
528           cast<llvm::IntegerType>(Prior->Data)->getIntegerBitWidth(), 8)));
611   llvm::Type *Ty = Types.ConvertTypeForMem(FD->getType());
643                                                   llvm::StructType *Ty) {
649   llvm::StructType *BaseTy = nullptr;
655       BaseTy = llvm::StructType::create(
681     llvm::outs() << "\n*** Dumping IRgen Record Layout\n";
682     llvm::outs() << "Record: ";
683     D->dump(llvm::outs());
684     llvm::outs() << "\nLayout: ";
685     RL->print(llvm::outs());
708   llvm::StructType *ST =
709     dyn_cast<llvm::StructType>(RL->getLLVMType());
710   const llvm::StructLayout *SL = getDataLayout().getStructLayout(ST);
735     llvm::Type *ElementTy = ST->getTypeAtIndex(RL->getLLVMFieldNo(FD));
778   for (llvm::DenseMap<const FieldDecl*, CGBitFieldInfo>::const_iterator
788   llvm::array_pod_sort(BFIs.begin(), BFIs.end());
799   print(llvm::errs());
812   print(llvm::errs());