DXILLegalizePass.cpp File Reference

#include "DirectX.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/PostOrderIterator.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/ProfDataUtils.h"
#include "llvm/Pass.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Transforms/Utils/Local.h"
#include <functional>

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "dxil-legalize"

Enumerations
enum class	IntegerExtension { None , Zero , Sign }

Functions
static IntegerType *	getLegalIntegerType (Type *Ty)
static bool	legalizeInteger (Instruction &I, SmallVectorImpl< Instruction * > &ToRemove, DenseMap< Value *, Value * > &ReplacedValues)
static bool	legalizeFreeze (Instruction &I, SmallVectorImpl< Instruction * > &ToRemove, DenseMap< Value *, Value * >)
static bool	legalizeI8Memory (Instruction &I, SmallVectorImpl< Instruction * > &ToRemove, DenseMap< Value *, Value * > &ReplacedValues)
static bool	upcastI8AllocasAndUses (Instruction &I, SmallVectorImpl< Instruction * > &ToRemove, DenseMap< Value *, Value * > &ReplacedValues)
static bool	downcastI64toI32InsertExtractElements (Instruction &I, SmallVectorImpl< Instruction * > &ToRemove, DenseMap< Value *, Value * > &)
static bool	updateFnegToFsub (Instruction &I, SmallVectorImpl< Instruction * > &ToRemove, DenseMap< Value *, Value * > &)
static bool	legalizeFloatAtomicExchange (Instruction &I, SmallVectorImpl< Instruction * > &ToRemove, DenseMap< Value *, Value * > &)
static bool	resolveUnreachableSwitchDefault (Instruction &I, SmallVectorImpl< Instruction * > &ToRemove, DenseMap< Value *, Value * > &)
static bool	legalizeScalarLoadStoreOnArrays (Instruction &I, SmallVectorImpl< Instruction * > &ToRemove, DenseMap< Value *, Value * > &)
	INITIALIZE_PASS_BEGIN (DXILLegalizeLegacy, DEBUG_TYPE, "DXIL Legalizer", false, false) INITIALIZE_PASS_END(DXILLegalizeLegacy

Variables
	DEBUG_TYPE
DXIL	Legalizer
DXIL	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "dxil-legalize"

Definition at line 26 of file DXILLegalizePass.cpp.

Enumeration Type Documentation

IntegerExtension

enum class IntegerExtension

strong

Enumerator
None
Zero
Sign

Definition at line 43 of file DXILLegalizePass.cpp.

Function Documentation

downcastI64toI32InsertExtractElements()

bool downcastI64toI32InsertExtractElements ( Instruction & I, SmallVectorImpl< Instruction * > & ToRemove, DenseMap< Value *, Value * > &  )

static

Definition at line 392 of file DXILLegalizePass.cpp.

References llvm::dyn_cast(), llvm::Type::getInt32Ty(), I, llvm::Value::replaceAllUsesWith(), and ToRemove.

getLegalIntegerType()

IntegerType * getLegalIntegerType ( Type * Ty )

static

Definition at line 30 of file DXILLegalizePass.cpp.

References llvm::dyn_cast(), llvm::IntegerType::get(), IT, and llvm::reportFatalUsageError().

Referenced by legalizeI8Memory(), and legalizeInteger().

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	DXILLegalizeLegacy	,
		DEBUG_TYPE	,
		"DXIL Legalizer"	,
		false	,
		false	)

References DEBUG_TYPE.

legalizeFloatAtomicExchange()

bool legalizeFloatAtomicExchange ( Instruction & I, SmallVectorImpl< Instruction * > & ToRemove, DenseMap< Value *, Value * > &  )

static

Definition at line 453 of file DXILLegalizePass.cpp.

References llvm::Instruction::copyMetadata(), llvm::dyn_cast(), llvm::Type::getIntNTy(), llvm::Type::getPrimitiveSizeInBits(), I, llvm::Type::isFloatingPointTy(), llvm::reportFatalUsageError(), ToRemove, and llvm::AtomicRMWInst::Xchg.

legalizeFreeze()

bool legalizeFreeze ( Instruction & I, SmallVectorImpl< Instruction * > & ToRemove, DenseMap< Value *, Value * >  )

static

Definition at line 199 of file DXILLegalizePass.cpp.

References llvm::dyn_cast(), I, and ToRemove.

legalizeI8Memory()

bool legalizeI8Memory ( Instruction & I, SmallVectorImpl< Instruction * > & ToRemove, DenseMap< Value *, Value * > & ReplacedValues )

static

Definition at line 211 of file DXILLegalizePass.cpp.

References assert(), llvm::DenseMapBase< StorageT, KeyT, ValueT, KeyInfoT, BucketT >::count(), llvm::GetElementPtrInst::Create(), llvm::dyn_cast(), llvm::dyn_cast_or_null(), GEP, llvm::ArrayType::get(), llvm::Type::getArrayElementType(), getLegalIntegerType(), I, llvm::isa(), llvm::Load, llvm::DenseMapBase< StorageT, KeyT, ValueT, KeyInfoT, BucketT >::lookup_or(), llvm::Offset, llvm::reportFatalUsageError(), llvm::Store, ToRemove, and V.

legalizeInteger()

bool legalizeInteger ( Instruction & I, SmallVectorImpl< Instruction * > & ToRemove, DenseMap< Value *, Value * > & ReplacedValues )

static

Definition at line 45 of file DXILLegalizePass.cpp.

References B(), llvm::ComputeNumSignBits(), llvm::DenseMapBase< StorageT, KeyT, ValueT, KeyInfoT, BucketT >::contains(), DEBUG_TYPE, llvm::dyn_cast(), llvm::False, llvm::PoisonValue::get(), llvm::APInt::getBitsSetFrom(), getLegalIntegerType(), llvm::APInt::getLowBitsSet(), I, LHS, llvm::DenseMapBase< StorageT, KeyT, ValueT, KeyInfoT, BucketT >::lookup_or(), llvm::MaskedValueIsZero(), None, llvm::Replace, llvm::reportFatalUsageError(), RHS, llvm::setExplicitlyUnknownBranchWeightsIfProfiled(), Sign, ToRemove, llvm::True, V, and Zero.

legalizeScalarLoadStoreOnArrays()

bool legalizeScalarLoadStoreOnArrays ( Instruction & I, SmallVectorImpl< Instruction * > & ToRemove, DenseMap< Value *, Value * > &  )

static

Definition at line 535 of file DXILLegalizePass.cpp.

References llvm::GEPNoWrapFlags::all(), assert(), llvm::GetElementPtrInst::Create(), llvm::dyn_cast(), GEP, llvm::Type::getArrayElementType(), llvm::Type::getInt32Ty(), I, llvm::isa(), llvm::Type::isSingleValueType(), ToRemove, and Zero.

resolveUnreachableSwitchDefault()

bool resolveUnreachableSwitchDefault ( Instruction & I, SmallVectorImpl< Instruction * > & ToRemove, DenseMap< Value *, Value * > &  )

static

Definition at line 484 of file DXILLegalizePass.cpp.

References llvm::dyn_cast(), llvm::PoisonValue::get(), llvm::BasicBlock::getTerminator(), I, llvm::isa(), llvm::BasicBlock::phis(), llvm::BasicBlock::size(), and ToRemove.

upcastI8AllocasAndUses()

bool upcastI8AllocasAndUses ( Instruction & I, SmallVectorImpl< Instruction * > & ToRemove, DenseMap< Value *, Value * > & ReplacedValues )

static

Definition at line 347 of file DXILLegalizePass.cpp.

References llvm::dyn_cast(), GEP, llvm::Type::getPrimitiveSizeInBits(), llvm::Value::getType(), I, llvm::Load, ToRemove, and llvm::Value::users().

updateFnegToFsub()

bool updateFnegToFsub ( Instruction & I, SmallVectorImpl< Instruction * > & ToRemove, DenseMap< Value *, Value * > &  )

static

Definition at line 433 of file DXILLegalizePass.cpp.

References I, ToRemove, and Zero.

Variable Documentation

DEBUG_TYPE

DEBUG_TYPE

Definition at line 664 of file DXILLegalizePass.cpp.

false

DXIL false

Definition at line 664 of file DXILLegalizePass.cpp.

Legalizer

DXIL Legalizer

Definition at line 664 of file DXILLegalizePass.cpp.

Referenced by llvm::SelectionDAG::Legalize(), and llvm::SelectionDAG::LegalizeOp().