Differential D133379 Diff 459160 llvm/include/llvm/IR/DataLayout.h

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llvm/include/llvm/IR/DataLayout.h

Show First 20 Lines • Show All 115 Lines • ▼ Show 20 Lines	enum class FunctionPtrAlignType {
/// The function pointer alignment is independent of the function alignment.		/// The function pointer alignment is independent of the function alignment.
Independent,		Independent,
/// The function pointer alignment is a multiple of the function alignment.		/// The function pointer alignment is a multiple of the function alignment.
MultipleOfFunctionAlign,		MultipleOfFunctionAlign,
};		};
private:		private:
/// Defaults to false.		/// Defaults to false.
bool BigEndian;		bool BigEndian;
		bool ConsidersElementAlignment;

unsigned AllocaAddrSpace;		unsigned AllocaAddrSpace;
MaybeAlign StackNaturalAlign;		MaybeAlign StackNaturalAlign;
unsigned ProgramAddrSpace;		unsigned ProgramAddrSpace;
unsigned DefaultGlobalsAddrSpace;		unsigned DefaultGlobalsAddrSpace;

MaybeAlign FunctionPtrAlign;		MaybeAlign FunctionPtrAlign;
FunctionPtrAlignType TheFunctionPtrAlignType;		FunctionPtrAlignType TheFunctionPtrAlignType;
▲ Show 20 Lines • Show All 77 Lines • ▼ Show 20 Lines	public:
DataLayout(const DataLayout &DL) { *this = DL; }		DataLayout(const DataLayout &DL) { *this = DL; }

~DataLayout(); // Not virtual, do not subclass this class		~DataLayout(); // Not virtual, do not subclass this class

DataLayout &operator=(const DataLayout &DL) {		DataLayout &operator=(const DataLayout &DL) {
clear();		clear();
StringRepresentation = DL.StringRepresentation;		StringRepresentation = DL.StringRepresentation;
BigEndian = DL.isBigEndian();		BigEndian = DL.isBigEndian();
		ConsidersElementAlignment = DL.considersElementAlignment();
AllocaAddrSpace = DL.AllocaAddrSpace;		AllocaAddrSpace = DL.AllocaAddrSpace;
StackNaturalAlign = DL.StackNaturalAlign;		StackNaturalAlign = DL.StackNaturalAlign;
FunctionPtrAlign = DL.FunctionPtrAlign;		FunctionPtrAlign = DL.FunctionPtrAlign;
TheFunctionPtrAlignType = DL.TheFunctionPtrAlignType;		TheFunctionPtrAlignType = DL.TheFunctionPtrAlignType;
ProgramAddrSpace = DL.ProgramAddrSpace;		ProgramAddrSpace = DL.ProgramAddrSpace;
DefaultGlobalsAddrSpace = DL.DefaultGlobalsAddrSpace;		DefaultGlobalsAddrSpace = DL.DefaultGlobalsAddrSpace;
ManglingMode = DL.ManglingMode;		ManglingMode = DL.ManglingMode;
LegalIntWidths = DL.LegalIntWidths;		LegalIntWidths = DL.LegalIntWidths;
Show All 14 Lines	public:
/// Parse a data layout string and return the layout. Return an error		/// Parse a data layout string and return the layout. Return an error
/// description on failure.		/// description on failure.
static Expected<DataLayout> parse(StringRef LayoutDescription);		static Expected<DataLayout> parse(StringRef LayoutDescription);

/// Layout endianness...		/// Layout endianness...
bool isLittleEndian() const { return !BigEndian; }		bool isLittleEndian() const { return !BigEndian; }
bool isBigEndian() const { return BigEndian; }		bool isBigEndian() const { return BigEndian; }

		/// Returns true if the data layout considers vector element type alignment
		/// when determining vector alignments.
		bool considersElementAlignment() const { return ConsidersElementAlignment; }

/// Returns the string representation of the DataLayout.		/// Returns the string representation of the DataLayout.
///		///
/// This representation is in the same format accepted by the string		/// This representation is in the same format accepted by the string
/// constructor above. This should not be used to compare two DataLayout as		/// constructor above. This should not be used to compare two DataLayout as
/// different string can represent the same layout.		/// different string can represent the same layout.
const std::string &getStringRepresentation() const {		const std::string &getStringRepresentation() const {
return StringRepresentation;		return StringRepresentation;
}		}
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