DXILLegalizePass.cpp File Reference

#include "DXILLegalizePass.h"
#include "DirectX.h"
#include "llvm/ADT/APInt.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/InstIterator.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Module.h"
#include "llvm/Pass.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include <functional>

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "dxil-legalize"

Functions
static bool	legalizeFreeze (Instruction &I, SmallVectorImpl< Instruction * > &ToRemove, DenseMap< Value *, Value * >)
static bool	fixI8UseChain (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 void	emitMemcpyExpansion (IRBuilder<> &Builder, Value *Dst, Value *Src, ConstantInt *Length)
static void	emitMemsetExpansion (IRBuilder<> &Builder, Value *Dst, Value *Val, ConstantInt *SizeCI, DenseMap< Value *, Value * > &ReplacedValues)
static bool	legalizeMemCpy (Instruction &I, SmallVectorImpl< Instruction * > &ToRemove, DenseMap< Value *, Value * > &ReplacedValues)
static bool	legalizeMemSet (Instruction &I, SmallVectorImpl< Instruction * > &ToRemove, DenseMap< Value *, Value * > &ReplacedValues)
static bool	updateFnegToFsub (Instruction &I, SmallVectorImpl< Instruction * > &ToRemove, DenseMap< Value *, Value * > &)
static bool	legalizeGetHighLowi64Bytes (Instruction &I, SmallVectorImpl< Instruction * > &ToRemove, DenseMap< Value *, Value * > &ReplacedValues)
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 23 of file DXILLegalizePass.cpp.

Function Documentation

downcastI64toI32InsertExtractElements()

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

static

Definition at line 308 of file DXILLegalizePass.cpp.

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

emitMemcpyExpansion()

void emitMemcpyExpansion ( IRBuilder<> & Builder, Value * Dst, Value * Src, ConstantInt * Length )

static

Definition at line 349 of file DXILLegalizePass.cpp.

References assert(), DL, llvm::dyn_cast(), I, llvm::isa(), and llvm::Length.

Referenced by legalizeMemCpy().

emitMemsetExpansion()

void emitMemsetExpansion ( IRBuilder<> & Builder, Value * Dst, Value * Val, ConstantInt * SizeCI, DenseMap< Value *, Value * > & ReplacedValues )

static

Definition at line 410 of file DXILLegalizePass.cpp.

References assert(), DL, llvm::dyn_cast(), llvm::AllocaInst::getAllocatedType(), llvm::AllocaInst::getAllocationSize(), llvm::Value::getType(), llvm::ConstantInt::getZExtValue(), I, llvm::Offset, Ptr, and Size.

Referenced by legalizeMemSet().

fixI8UseChain()

bool fixI8UseChain ( Instruction & I, SmallVectorImpl< Instruction * > & ToRemove, DenseMap< Value *, Value * > & ReplacedValues )

static

Definition at line 39 of file DXILLegalizePass.cpp.

References assert(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::count(), llvm::dyn_cast(), GEP, llvm::ArrayType::get(), llvm::IntegerType::get(), llvm::Type::getArrayElementType(), I, llvm::isa(), llvm::Offset, OpIdx, llvm::Value::replaceAllUsesWith(), and ToRemove.

INITIALIZE_PASS_BEGIN()

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

References DEBUG_TYPE.

legalizeFreeze()

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

static

Definition at line 27 of file DXILLegalizePass.cpp.

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

legalizeGetHighLowi64Bytes()

bool legalizeGetHighLowi64Bytes ( Instruction & I, SmallVectorImpl< Instruction * > & ToRemove, DenseMap< Value *, Value * > & ReplacedValues )

static

Definition at line 527 of file DXILLegalizePass.cpp.

References assert(), llvm::dyn_cast(), llvm::FixedVectorType::get(), llvm::Type::getInt32Ty(), I, and ToRemove.

legalizeMemCpy()

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

static

Definition at line 463 of file DXILLegalizePass.cpp.

References assert(), llvm::dyn_cast(), emitMemcpyExpansion(), llvm::CallBase::getArgOperand(), llvm::CallBase::getIntrinsicID(), I, llvm::Length, and ToRemove.

legalizeMemSet()

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

static

Definition at line 489 of file DXILLegalizePass.cpp.

References assert(), llvm::dyn_cast(), emitMemsetExpansion(), llvm::CallBase::getArgOperand(), llvm::CallBase::getIntrinsicID(), I, Size, and ToRemove.

legalizeScalarLoadStoreOnArrays()

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

static

Definition at line 578 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(), and ToRemove.

upcastI8AllocasAndUses()

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

static

Definition at line 257 of file DXILLegalizePass.cpp.

References llvm::dyn_cast(), GEP, llvm::Type::getInt32Ty(), llvm::Type::getPrimitiveSizeInBits(), I, ToRemove, and llvm::Value::users().

updateFnegToFsub()

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

static

Definition at line 511 of file DXILLegalizePass.cpp.

References I, and ToRemove.

Variable Documentation

DEBUG_TYPE

DEBUG_TYPE

Definition at line 706 of file DXILLegalizePass.cpp.

false

DXIL false

Definition at line 706 of file DXILLegalizePass.cpp.

Legalizer

DXIL Legalizer

Definition at line 706 of file DXILLegalizePass.cpp.

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