diff options
Diffstat (limited to 'contrib/llvm/lib/IR/DataLayout.cpp')
-rw-r--r-- | contrib/llvm/lib/IR/DataLayout.cpp | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/contrib/llvm/lib/IR/DataLayout.cpp b/contrib/llvm/lib/IR/DataLayout.cpp index 5658f56..6bdc09e 100644 --- a/contrib/llvm/lib/IR/DataLayout.cpp +++ b/contrib/llvm/lib/IR/DataLayout.cpp @@ -200,9 +200,7 @@ static unsigned inBytes(unsigned Bits) { } void DataLayout::parseSpecifier(StringRef Desc) { - while (!Desc.empty()) { - // Split at '-'. std::pair<StringRef, StringRef> Split = split(Desc, '-'); Desc = Split.second; @@ -482,7 +480,7 @@ std::string DataLayout::getStringRepresentation() const { addrSpaces.push_back(pib->first); } std::sort(addrSpaces.begin(), addrSpaces.end()); - for (SmallVector<unsigned, 8>::iterator asb = addrSpaces.begin(), + for (SmallVectorImpl<unsigned>::iterator asb = addrSpaces.begin(), ase = addrSpaces.end(); asb != ase; ++asb) { const PointerAlignElem &PI = Pointers.find(*asb)->second; OS << "-p"; @@ -509,6 +507,15 @@ std::string DataLayout::getStringRepresentation() const { return OS.str(); } +unsigned DataLayout::getPointerTypeSizeInBits(Type *Ty) const { + assert(Ty->isPtrOrPtrVectorTy() && + "This should only be called with a pointer or pointer vector type"); + + if (Ty->isPointerTy()) + return getTypeSizeInBits(Ty); + + return getTypeSizeInBits(Ty->getScalarType()); +} /*! \param abi_or_pref Flag that determines which alignment is returned. true @@ -582,7 +589,6 @@ unsigned DataLayout::getABIIntegerTypeAlignment(unsigned BitWidth) const { return getAlignmentInfo(INTEGER_ALIGN, BitWidth, true, 0); } - unsigned DataLayout::getCallFrameTypeAlignment(Type *Ty) const { for (unsigned i = 0, e = Alignments.size(); i != e; ++i) if (Alignments[i].AlignType == STACK_ALIGN) @@ -601,16 +607,11 @@ unsigned DataLayout::getPreferredTypeAlignmentShift(Type *Ty) const { return Log2_32(Align); } -/// getIntPtrType - Return an integer type with size at least as big as that -/// of a pointer in the given address space. IntegerType *DataLayout::getIntPtrType(LLVMContext &C, unsigned AddressSpace) const { return IntegerType::get(C, getPointerSizeInBits(AddressSpace)); } -/// getIntPtrType - Return an integer (vector of integer) type with size at -/// least as big as that of a pointer of the given pointer (vector of pointer) -/// type. Type *DataLayout::getIntPtrType(Type *Ty) const { assert(Ty->isPtrOrPtrVectorTy() && "Expected a pointer or pointer vector type."); @@ -628,6 +629,13 @@ Type *DataLayout::getSmallestLegalIntType(LLVMContext &C, unsigned Width) const return 0; } +unsigned DataLayout::getLargestLegalIntTypeSize() const { + unsigned MaxWidth = 0; + for (unsigned i = 0, e = (unsigned)LegalIntWidths.size(); i != e; ++i) + MaxWidth = std::max<unsigned>(MaxWidth, LegalIntWidths[i]); + return MaxWidth; +} + uint64_t DataLayout::getIndexedOffset(Type *ptrTy, ArrayRef<Value *> Indices) const { Type *Ty = ptrTy; |