diff options
author | Eli Bendersky <eliben@chromium.org> | 2013-07-15 16:09:15 -0700 |
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committer | Eli Bendersky <eliben@chromium.org> | 2013-07-15 16:09:15 -0700 |
commit | c6cf05cb5108f356dde97c01ee4188b0671d4542 (patch) | |
tree | 436fdc2a55296d3c202e7ef11f31be3be53efb5f /lib/IR/DataLayout.cpp | |
parent | c75199c649c739aade160289d93f257edc798cde (diff) | |
parent | 7dfcb84fc16b3bf6b2379713b53090757f0a45f9 (diff) |
Merge commit '7dfcb84fc16b3bf6b2379713b53090757f0a45f9'
Conflicts:
docs/LangRef.rst
include/llvm/CodeGen/CallingConvLower.h
include/llvm/IRReader/IRReader.h
include/llvm/Target/TargetMachine.h
lib/CodeGen/CallingConvLower.cpp
lib/IRReader/IRReader.cpp
lib/IRReader/LLVMBuild.txt
lib/IRReader/Makefile
lib/LLVMBuild.txt
lib/Makefile
lib/Support/MemoryBuffer.cpp
lib/Support/Unix/PathV2.inc
lib/Target/ARM/ARMBaseInstrInfo.cpp
lib/Target/ARM/ARMISelLowering.cpp
lib/Target/ARM/ARMInstrInfo.td
lib/Target/ARM/ARMSubtarget.cpp
lib/Target/ARM/ARMTargetMachine.cpp
lib/Target/Mips/CMakeLists.txt
lib/Target/Mips/MipsDelaySlotFiller.cpp
lib/Target/Mips/MipsISelLowering.cpp
lib/Target/Mips/MipsInstrInfo.td
lib/Target/Mips/MipsSubtarget.cpp
lib/Target/Mips/MipsSubtarget.h
lib/Target/X86/X86FastISel.cpp
lib/Target/X86/X86ISelDAGToDAG.cpp
lib/Target/X86/X86ISelLowering.cpp
lib/Target/X86/X86InstrControl.td
lib/Target/X86/X86InstrFormats.td
lib/Transforms/IPO/ExtractGV.cpp
lib/Transforms/InstCombine/InstCombineCompares.cpp
lib/Transforms/Utils/SimplifyLibCalls.cpp
test/CodeGen/X86/fast-isel-divrem.ll
test/MC/ARM/data-in-code.ll
tools/Makefile
tools/llvm-extract/llvm-extract.cpp
tools/llvm-link/CMakeLists.txt
tools/opt/CMakeLists.txt
tools/opt/LLVMBuild.txt
tools/opt/Makefile
tools/opt/opt.cpp
Diffstat (limited to 'lib/IR/DataLayout.cpp')
-rw-r--r-- | lib/IR/DataLayout.cpp | 60 |
1 files changed, 16 insertions, 44 deletions
diff --git a/lib/IR/DataLayout.cpp b/lib/IR/DataLayout.cpp index f09de3a731..5658f56114 100644 --- a/lib/IR/DataLayout.cpp +++ b/lib/IR/DataLayout.cpp @@ -41,7 +41,7 @@ char DataLayout::ID = 0; // Support for StructLayout //===----------------------------------------------------------------------===// -StructLayout::StructLayout(StructType *ST, const DataLayout &TD) { +StructLayout::StructLayout(StructType *ST, const DataLayout &DL) { assert(!ST->isOpaque() && "Cannot get layout of opaque structs"); StructAlignment = 0; StructSize = 0; @@ -50,7 +50,7 @@ StructLayout::StructLayout(StructType *ST, const DataLayout &TD) { // Loop over each of the elements, placing them in memory. for (unsigned i = 0, e = NumElements; i != e; ++i) { Type *Ty = ST->getElementType(i); - unsigned TyAlign = ST->isPacked() ? 1 : TD.getABITypeAlignment(Ty); + unsigned TyAlign = ST->isPacked() ? 1 : DL.getABITypeAlignment(Ty); // Add padding if necessary to align the data element properly. if ((StructSize & (TyAlign-1)) != 0) @@ -60,7 +60,7 @@ StructLayout::StructLayout(StructType *ST, const DataLayout &TD) { StructAlignment = std::max(TyAlign, StructAlignment); MemberOffsets[i] = StructSize; - StructSize += TD.getTypeAllocSize(Ty); // Consume space for this data item + StructSize += DL.getTypeAllocSize(Ty); // Consume space for this data item } // Empty structures have alignment of 1 byte. @@ -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; |