#include "llvm/MC/SubtargetFeature.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cassert>
#include <cctype>
#include <cstdlib>

Include dependency graph for SubtargetFeature.cpp:

Functions
static bool	hasFlag (const StringRef Feature)
static std::string	StripFlag (const StringRef Feature)
static bool	isEnabled (const StringRef Feature)
static std::string	PrependFlag (const StringRef Feature, bool IsEnabled)
static void	Split (std::vector< std::string > &V, const StringRef S)
static std::string	Join (const std::vector< std::string > &V)
static const SubtargetFeatureKV *	Find (StringRef S, const SubtargetFeatureKV *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 (uint64_t &Bits, const SubtargetFeatureKV FeatureEntry, const SubtargetFeatureKV FeatureTable, size_t FeatureTableSize)
static void	ClearImpliedBits (uint64_t &Bits, const SubtargetFeatureKV FeatureEntry, const SubtargetFeatureKV FeatureTable, size_t FeatureTableSize)

Function Documentation

static void ClearImpliedBits	(	uint64_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 211 of file SubtargetFeature.cpp.

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

Referenced by llvm::SubtargetFeatures::getFeatureBits(), and llvm::SubtargetFeatures::ToggleFeature().

static const SubtargetFeatureKV* Find	(	StringRef	S,
		const SubtargetFeatureKV *	A,
		size_t	L
	)		`[static]`

Find KV in array using binary search.

Definition at line 122 of file SubtargetFeature.cpp.

References llvm::StringRef::data(), F(), llvm::HexagonISD::Hi, and llvm::SubtargetFeatureKV::Key.

Referenced by llvm::SubtargetFeatures::getFeatureBits(), and llvm::SubtargetFeatures::ToggleFeature().

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 139 of file SubtargetFeature.cpp.

References llvm::LibFunc::strlen.

Referenced by Help().

static bool hasFlag ( const StringRef Feature ) [inline, static]

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

Definition at line 30 of file SubtargetFeature.cpp.

References llvm::StringRef::empty().

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 149 of file SubtargetFeature.cpp.

References llvm::errs(), llvm::format(), and getLongestEntryLength().

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

static bool isEnabled ( const StringRef Feature ) [inline, static]

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

Definition at line 46 of file SubtargetFeature.cpp.

References llvm::StringRef::empty().

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

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 92 of file SubtargetFeature.cpp.

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

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

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

Definition at line 56 of file SubtargetFeature.cpp.

References llvm::StringRef::empty(), hasFlag(), and llvm::cl::Prefix.

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

static void SetImpliedBits	(	uint64_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 192 of file SubtargetFeature.cpp.

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

Referenced by llvm::SubtargetFeatures::getFeatureBits(), and llvm::SubtargetFeatures::ToggleFeature().

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

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

Definition at line 68 of file SubtargetFeature.cpp.

References llvm::StringRef::empty(), llvm::StringRef::find(), and llvm::StringRef::substr().

Referenced by HandleCallsInBlockInlinedThroughInvoke(), printHelpStr(), split(), llvm::Regex::sub(), and llvm::SubtargetFeatures::SubtargetFeatures().

static std::string StripFlag ( const StringRef Feature ) [inline, static]

StripFlag - Return string stripped of flag.

Definition at line 40 of file SubtargetFeature.cpp.

References hasFlag(), and llvm::StringRef::substr().

Referenced by llvm::SubtargetFeatures::getFeatureBits(), and llvm::SubtargetFeatures::ToggleFeature().

Functions

Function Documentation