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()

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

static

Definition at line 308 of file DXILLegalizePass.cpp.

References llvm::IRBuilderBase::CreateExtractElement(), llvm::IRBuilderBase::CreateInsertElement(), llvm::Type::getInt32Ty(), I, Idx, llvm::Value::replaceAllUsesWith(), and ToRemove.

emitMemcpyExpansion()

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

static

Definition at line 349 of file DXILLegalizePass.cpp.

References assert(), llvm::IRBuilderBase::CreateInBoundsGEP(), llvm::IRBuilderBase::CreateLoad(), llvm::IRBuilderBase::CreateStore(), DL, llvm::Module::getDataLayout(), llvm::IRBuilderBase::GetInsertBlock(), llvm::IRBuilderBase::getInt32(), llvm::BasicBlock::getModule(), I, and llvm::Length.

Referenced by legalizeMemCpy().

emitMemsetExpansion()

static 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(), llvm::IRBuilderBase::CreateGEP(), llvm::IRBuilderBase::CreateIntCast(), llvm::IRBuilderBase::CreateStore(), DL, llvm::AllocaInst::getAllocatedType(), llvm::AllocaInst::getAllocationSize(), llvm::Module::getDataLayout(), llvm::IRBuilderBase::GetInsertBlock(), llvm::IRBuilderBase::getInt32(), llvm::BasicBlock::getModule(), llvm::Value::getType(), llvm::ConstantInt::getZExtValue(), I, llvm::Offset, Ptr, and Size.

Referenced by legalizeMemSet().

fixI8UseChain()

static 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::IRBuilderBase::CreateBinOp(), llvm::IRBuilderBase::CreateCmp(), llvm::IRBuilderBase::CreateGEP(), llvm::IRBuilderBase::CreateLoad(), llvm::IRBuilderBase::CreateSelect(), llvm::IRBuilderBase::CreateSExtOrTrunc(), llvm::IRBuilderBase::CreateStore(), llvm::IRBuilderBase::CreateZExtOrTrunc(), GEP, llvm::IntegerType::get(), llvm::IRBuilderBase::getInt32(), I, llvm::Offset, OpIdx, llvm::Value::replaceAllUsesWith(), and ToRemove.

INITIALIZE_PASS_BEGIN()

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

legalizeFreeze()

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

static

Definition at line 27 of file DXILLegalizePass.cpp.

References I, and ToRemove.

legalizeGetHighLowi64Bytes()

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

static

Definition at line 527 of file DXILLegalizePass.cpp.

References assert(), llvm::IRBuilderBase::CreateLShr(), llvm::IRBuilderBase::CreateTrunc(), llvm::FixedVectorType::get(), llvm::Type::getInt32Ty(), I, Idx, llvm::Type::isIntegerTy(), and ToRemove.

legalizeMemCpy()

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

static

Definition at line 463 of file DXILLegalizePass.cpp.

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

legalizeMemSet()

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

static

Definition at line 489 of file DXILLegalizePass.cpp.

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

legalizeScalarLoadStoreOnArrays()

static 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(), GEP, llvm::Type::getArrayElementType(), llvm::Type::getInt32Ty(), I, and llvm::Type::isSingleValueType().

upcastI8AllocasAndUses()

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

static

Definition at line 257 of file DXILLegalizePass.cpp.

References llvm::IRBuilderBase::CreateAlloca(), GEP, llvm::Type::getInt32Ty(), llvm::Type::getPrimitiveSizeInBits(), I, and ToRemove.

updateFnegToFsub()

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

static

Definition at line 511 of file DXILLegalizePass.cpp.

References llvm::IRBuilderBase::CreateFSub(), 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.