DXILResourceAccess.cpp File Reference

#include "DXILResourceAccess.h"
#include "DirectX.h"
#include "llvm/ADT/SetVector.h"
#include "llvm/Analysis/DXILResource.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicsDirectX.h"
#include "llvm/IR/User.h"
#include "llvm/InitializePasses.h"
#include "llvm/Transforms/Utils/ValueMapper.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "dxil-resource-access"

Functions
static Value *	calculateGEPOffset (GetElementPtrInst *GEP, Value *PrevOffset, dxil::ResourceTypeInfo &RTI)
static void	createTypedBufferStore (IntrinsicInst *II, StoreInst *SI, Value *Offset, dxil::ResourceTypeInfo &RTI)
static void	createRawStore (IntrinsicInst *II, StoreInst *SI, Value *Offset)
static void	createStoreIntrinsic (IntrinsicInst *II, StoreInst *SI, Value *Offset, dxil::ResourceTypeInfo &RTI)
static void	createTypedBufferLoad (IntrinsicInst *II, LoadInst *LI, Value *Offset, dxil::ResourceTypeInfo &RTI)
static void	createRawLoad (IntrinsicInst *II, LoadInst *LI, Value *Offset)
static void	createLoadIntrinsic (IntrinsicInst *II, LoadInst *LI, Value *Offset, dxil::ResourceTypeInfo &RTI)
static SmallVector< Instruction * >	collectBlockUseDef (Instruction *Start)
static void	phiNodeRemapHelper (PHINode *Phi, BasicBlock *BB, IRBuilder<> &Builder, SmallVector< Instruction * > &UsesInBlock)
static void	phiNodeReplacement (IntrinsicInst *II, SmallVectorImpl< Instruction * > &PrevBBDeadInsts, SetVector< BasicBlock * > &DeadBB)
static void	replaceAccess (IntrinsicInst *II, dxil::ResourceTypeInfo &RTI)
static bool	transformResourcePointers (Function &F, DXILResourceTypeMap &DRTM)
	INITIALIZE_PASS_BEGIN (DXILResourceAccessLegacy, DEBUG_TYPE, "DXIL Resource Access", false, false) INITIALIZE_PASS_END(DXILResourceAccessLegacy

Variables
	DEBUG_TYPE
DXIL Resource	Access
DXIL Resource	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "dxil-resource-access"

Definition at line 25 of file DXILResourceAccess.cpp.

Function Documentation

calculateGEPOffset()

Value * calculateGEPOffset ( GetElementPtrInst * GEP, Value * PrevOffset, dxil::ResourceTypeInfo & RTI )

static

Definition at line 29 of file DXILResourceAccess.cpp.

References assert(), llvm::cast(), DL, GEP, llvm::dxil::ResourceTypeInfo::getHandleTy(), llvm::Type::getInt32Ty(), llvm::Type::getScalarType(), llvm::TargetExtType::getTypeParameter(), llvm::dxil::ResourceTypeInfo::isTyped(), llvm::Offset, Scaled, and llvm::APInt::udiv().

Referenced by replaceAccess().

collectBlockUseDef()

SmallVector< Instruction * > collectBlockUseDef ( Instruction * Start )

static

Definition at line 206 of file DXILResourceAccess.cpp.

References A(), B(), llvm::dyn_cast(), llvm::SmallVectorTemplateCommon< T, typename >::empty(), I, llvm::SmallPtrSetImpl< PtrType >::insert(), llvm::DenseMapBase< DerivedT, KeyT, ValueT, KeyInfoT, BucketT >::lookup(), llvm::SmallVectorImpl< T >::pop_back_val(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::sort().

Referenced by phiNodeReplacement().

createLoadIntrinsic()

void createLoadIntrinsic ( IntrinsicInst * II, LoadInst * LI, Value * Offset, dxil::ResourceTypeInfo & RTI )

static

Definition at line 174 of file DXILResourceAccess.cpp.

References llvm::dxil::CBuffer, createRawLoad(), createTypedBufferLoad(), llvm::dxil::FeedbackTexture2D, llvm::dxil::FeedbackTexture2DArray, llvm::dxil::ResourceTypeInfo::getResourceKind(), II, llvm::dxil::Invalid, llvm_unreachable, llvm::dxil::NumEntries, llvm::Offset, llvm::dxil::RawBuffer, llvm::dxil::RTAccelerationStructure, llvm::dxil::Sampler, llvm::dxil::StructuredBuffer, llvm::dxil::TBuffer, llvm::dxil::Texture1D, llvm::dxil::Texture1DArray, llvm::dxil::Texture2D, llvm::dxil::Texture2DArray, llvm::dxil::Texture2DMS, llvm::dxil::Texture2DMSArray, llvm::dxil::Texture3D, llvm::dxil::TextureCube, llvm::dxil::TextureCubeArray, and llvm::dxil::TypedBuffer.

Referenced by llvm::ARMTargetLowering::lowerInterleavedLoad(), and replaceAccess().

createRawLoad()

void createRawLoad ( IntrinsicInst * II, LoadInst * LI, Value * Offset )

static

Definition at line 160 of file DXILResourceAccess.cpp.

References llvm::StructType::get(), llvm::Type::getInt1Ty(), llvm::Value::getType(), II, llvm::Offset, and llvm::Value::replaceAllUsesWith().

Referenced by createLoadIntrinsic().

createRawStore()

void createRawStore ( IntrinsicInst * II, StoreInst * SI, Value * Offset )

static

Definition at line 91 of file DXILResourceAccess.cpp.

References II, and llvm::Offset.

Referenced by createStoreIntrinsic().

createStoreIntrinsic()

void createStoreIntrinsic ( IntrinsicInst * II, StoreInst * SI, Value * Offset, dxil::ResourceTypeInfo & RTI )

static

Definition at line 104 of file DXILResourceAccess.cpp.

References llvm::dxil::CBuffer, createRawStore(), createTypedBufferStore(), llvm::dxil::FeedbackTexture2D, llvm::dxil::FeedbackTexture2DArray, llvm::dxil::ResourceTypeInfo::getResourceKind(), II, llvm::dxil::Invalid, llvm_unreachable, llvm::dxil::NumEntries, llvm::Offset, llvm::dxil::RawBuffer, llvm::reportFatalUsageError(), llvm::dxil::RTAccelerationStructure, llvm::dxil::Sampler, llvm::dxil::StructuredBuffer, llvm::dxil::TBuffer, llvm::dxil::Texture1D, llvm::dxil::Texture1DArray, llvm::dxil::Texture2D, llvm::dxil::Texture2DArray, llvm::dxil::Texture2DMS, llvm::dxil::Texture2DMSArray, llvm::dxil::Texture3D, llvm::dxil::TextureCube, llvm::dxil::TextureCubeArray, and llvm::dxil::TypedBuffer.

Referenced by llvm::ARMTargetLowering::lowerInterleavedStore(), and replaceAccess().

createTypedBufferLoad()

void createTypedBufferLoad ( IntrinsicInst * II, LoadInst * LI, Value * Offset, dxil::ResourceTypeInfo & RTI )

static

Definition at line 136 of file DXILResourceAccess.cpp.

References llvm::dyn_cast(), llvm::PoisonValue::get(), llvm::StructType::get(), llvm::dxil::ResourceTypeInfo::getHandleTy(), llvm::Type::getInt1Ty(), llvm::Value::getType(), llvm::TargetExtType::getTypeParameter(), II, llvm::isa(), llvm::Offset, and llvm::Value::replaceAllUsesWith().

Referenced by createLoadIntrinsic().

createTypedBufferStore()

void createTypedBufferStore ( IntrinsicInst * II, StoreInst * SI, Value * Offset, dxil::ResourceTypeInfo & RTI )

static

Definition at line 59 of file DXILResourceAccess.cpp.

References assert(), llvm::StructType::get(), llvm::dxil::ResourceTypeInfo::getHandleTy(), llvm::Type::getInt1Ty(), llvm::Type::getScalarType(), llvm::TargetExtType::getTypeParameter(), II, llvm_unreachable, llvm::Offset, and Struct.

Referenced by createStoreIntrinsic().

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	DXILResourceAccessLegacy	,
		DEBUG_TYPE	,
		"DXIL Resource Access"	,
		false	,
		false	)

References DEBUG_TYPE, and INITIALIZE_PASS_DEPENDENCY.

phiNodeRemapHelper()

void phiNodeRemapHelper ( PHINode * Phi, BasicBlock * BB, IRBuilder<> & Builder, SmallVector< Instruction * > & UsesInBlock )

static

Definition at line 254 of file DXILResourceAccess.cpp.

References llvm::BasicBlock::back(), llvm::dyn_cast(), I, llvm::RemapInstruction(), llvm::RF_IgnoreMissingLocals, and llvm::RF_NoModuleLevelChanges.

Referenced by phiNodeReplacement().

phiNodeReplacement()

void phiNodeReplacement ( IntrinsicInst * II, SmallVectorImpl< Instruction * > & PrevBBDeadInsts, SetVector< BasicBlock * > & DeadBB )

static

Definition at line 276 of file DXILResourceAccess.cpp.

References llvm::SmallVectorTemplateCommon< T, typename >::back(), llvm::SmallVectorImpl< T >::clear(), collectBlockUseDef(), llvm::dyn_cast(), E(), I, II, llvm::SetVector< T, Vector, Set, N >::insert(), llvm::isa(), phiNodeRemapHelper(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::reverse().

Referenced by transformResourcePointers().

replaceAccess()

void replaceAccess ( IntrinsicInst * II, dxil::ResourceTypeInfo & RTI )

static

Definition at line 312 of file DXILResourceAccess.cpp.

References Access, assert(), llvm::SmallVectorTemplateCommon< T, typename >::back(), calculateGEPOffset(), createLoadIntrinsic(), createStoreIntrinsic(), llvm::dyn_cast(), llvm::SmallVectorTemplateCommon< T, typename >::empty(), GEP, II, llvm_unreachable, llvm::Offset, llvm::SmallVectorTemplateBase< T, bool >::pop_back(), llvm::SmallVectorTemplateBase< T, bool >::push_back(), and llvm::reverse().

Referenced by transformResourcePointers().

transformResourcePointers()

bool transformResourcePointers ( Function & F, DXILResourceTypeMap & DRTM )

static

Definition at line 353 of file DXILResourceAccess.cpp.

References llvm::cast(), llvm::SetVector< T, Vector, Set, N >::clear(), llvm::SmallVectorImpl< T >::clear(), llvm::dyn_cast(), llvm::SmallVectorImpl< T >::emplace_back(), llvm::SmallVectorTemplateCommon< T, typename >::empty(), F, I, II, llvm::make_early_inc_range(), phiNodeReplacement(), and replaceAccess().

Referenced by llvm::DXILResourceAccess::run().

Variable Documentation

Access

DXIL Resource Access

Definition at line 424 of file DXILResourceAccess.cpp.

Referenced by llvm::dwarf::AccessibilityString(), llvm::logicalview::LVElement::accessibilityString(), llvm::codeview::BaseClassRecord::BaseClassRecord(), llvm::codeview::DataMemberRecord::DataMemberRecord(), llvm::codeview::EnumeratorRecord::EnumeratorRecord(), llvm::AA::PointerInfo::State::forallInterferingAccesses(), foreachMemoryAccess(), llvm::logicalview::LVElement::getAccessibilityCode(), getFD(), llvm::MemoryDepChecker::getInstructionsForAccess(), isAllocSiteRemovable(), mayLoopAccessLocation(), mayLoopAccessLocation(), llvm::codeview::MemberAttributes::MemberAttributes(), llvm::codeview::MemberAttributes::MemberAttributes(), llvm::codeview::OneMethodRecord::OneMethodRecord(), llvm::sys::fs::openFile(), llvm::sys::fs::openNativeFile(), llvm::pdb::operator<<(), llvm::logicalview::LVLogicalVisitor::printMemberAttributes(), llvm::raw_fd_ostream::raw_fd_ostream(), llvm::raw_fd_ostream::raw_fd_ostream(), replaceAccess(), llvm::logicalview::LVElement::setAccessibilityCode(), llvm::logicalview::LVElement::setAccessibilityCode(), llvm::codeview::StaticDataMemberRecord::StaticDataMemberRecord(), and llvm::codeview::VirtualBaseClassRecord::VirtualBaseClassRecord().

DEBUG_TYPE

DEBUG_TYPE

Definition at line 423 of file DXILResourceAccess.cpp.

false

DXIL Resource false

Definition at line 424 of file DXILResourceAccess.cpp.