SubtargetFeature.cpp File Reference

#include "llvm/Target/SubtargetFeature.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/Streams.h"
#include <algorithm>
#include <ostream>
#include <cassert>
#include <cctype>

Include dependency graph for SubtargetFeature.cpp:

Go to the source code of this file.

Functions
static bool	hasFlag (const std::string &Feature)
static std::string	StripFlag (const std::string &Feature)
static bool	isEnabled (const std::string &Feature)
static std::string	PrependFlag (const std::string &Feature, bool IsEnabled)
static void	Split (std::vector< std::string > &V, const std::string &S)
static std::string	Join (const std::vector< std::string > &V)
template<typename T>
const T *	Find (const std::string &S, const T *A, size_t L)
	Find KV in array using binary search.
static size_t	getLongestEntryLength (const SubtargetFeatureKV *Table, size_t Size)
static void	Help (const SubtargetFeatureKV *CPUTable, size_t CPUTableSize, const SubtargetFeatureKV *FeatTable, size_t FeatTableSize)
static void	SetImpliedBits (uint32_t &Bits, const SubtargetFeatureKV *FeatureEntry, const SubtargetFeatureKV *FeatureTable, size_t FeatureTableSize)
static void	ClearImpliedBits (uint32_t &Bits, const SubtargetFeatureKV *FeatureEntry, const SubtargetFeatureKV *FeatureTable, size_t FeatureTableSize)

---

Function Documentation

static void ClearImpliedBits	(	uint32_t &	Bits,
		const SubtargetFeatureKV *	FeatureEntry,
		const SubtargetFeatureKV *	FeatureTable,
		size_t	FeatureTableSize
	)			[static]

ClearImpliedBits - For each feature that (transitively) implies this feature, clear it.

Definition at line 225 of file SubtargetFeature.cpp.

References llvm::SubtargetFeatureKV::Implies, and llvm::SubtargetFeatureKV::Value.

Referenced by llvm::SubtargetFeatures::getBits().

template<typename T>

const T* Find	(	const std::string &	S,
		const T *	A,
		size_t	L
	)			[inline]

Find KV in array using binary search.

Definition at line 115 of file SubtargetFeature.cpp.

References F, llvm::SPISD::Hi, and T.

Referenced by llvm::SubtargetFeatures::getBits(), and llvm::SubtargetFeatures::getInfo().

static size_t getLongestEntryLength	(	const SubtargetFeatureKV *	Table,
		size_t	Size
	)			[static]

getLongestEntryLength - Return the length of the longest entry in the table.

Definition at line 131 of file SubtargetFeature.cpp.

Referenced by Help().

static bool hasFlag

(

const std::string &

Feature

)

[inline, static]

hasFlag - Determine if a feature has a flag; '+' or '-'

Definition at line 29 of file SubtargetFeature.cpp.

Referenced by PrependFlag(), and StripFlag().

static void Help	(	const SubtargetFeatureKV *	CPUTable,
		size_t	CPUTableSize,
		const SubtargetFeatureKV *	FeatTable,
		size_t	FeatTableSize
	)			[static]

Display help for feature choices.

Definition at line 141 of file SubtargetFeature.cpp.

References llvm::cerr(), llvm::SubtargetFeatureKV::Desc, and getLongestEntryLength().

Referenced by llvm::SubtargetFeatures::getBits().

static bool isEnabled

(

const std::string &

Feature

)

[inline, static]

isEnabled - Return true if enable flag; '+'.

Definition at line 45 of file SubtargetFeature.cpp.

Referenced by llvm::SubtargetFeatures::getBits().

static std::string Join

(

const std::vector< std::string > &

V

)

[static]

Join a vector of strings to a string with a comma separating each element.

Definition at line 85 of file SubtargetFeature.cpp.

Referenced by llvm::SubtargetFeatures::getString().

static std::string PrependFlag	(	const std::string &	Feature,
		bool	IsEnabled
	)			[inline, static]

PrependFlag - Return a string with a prepended flag; '+' or '-'.

Definition at line 55 of file SubtargetFeature.cpp.

References hasFlag().

Referenced by llvm::SubtargetFeatures::AddFeature().

static void SetImpliedBits	(	uint32_t &	Bits,
		const SubtargetFeatureKV *	FeatureEntry,
		const SubtargetFeatureKV *	FeatureTable,
		size_t	FeatureTableSize
	)			[static]

SetImpliedBits - For each feature that is (transitively) implied by this feature, set it.

Definition at line 206 of file SubtargetFeature.cpp.

References llvm::SubtargetFeatureKV::Implies, and llvm::SubtargetFeatureKV::Value.

Referenced by llvm::SubtargetFeatures::getBits().

static void Split	(	std::vector< std::string > &	V,
		const std::string &	S
	)			[static]

Split - Splits a string of comma separated items in to a vector of strings.

Definition at line 64 of file SubtargetFeature.cpp.

Referenced by HandleInlinedInvoke(), llvm::ISD::ArgFlagsTy::isSplit(), llvm::SubtargetFeatures::setString(), and llvm::SubtargetFeatures::SubtargetFeatures().

static std::string StripFlag

(

const std::string &

Feature

)

[inline, static]

StripFlag - Return string stripped of flag.

Definition at line 39 of file SubtargetFeature.cpp.

References hasFlag().

Referenced by llvm::SubtargetFeatures::getBits().