DXILOpBuilder.cpp File Reference

#include "DXILOpBuilder.h"
#include "DXILConstants.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/DXILABI.h"
#include "llvm/Support/ErrorHandling.h"
#include <optional>
#include "DXILOperation.inc"

Go to the source code of this file.

Classes
struct	OpStage
struct	OpCodeProperty

Namespaces
namespace	llvm
	This is an optimization pass for GlobalISel generic memory operations.
namespace	llvm::dxil

Macros
#define	DXIL_OP_OPERATION_TABLE
#define	DXIL_OP_FUNCTION_TYPE(OpCode, RetType, ...)
#define	DXIL_VERSION(MAJOR, MINOR)
#define	DXIL_OP_ATTRIBUTES(OpCode, VersionMajor, VersionMinor, ...)

Functions
static const char *	getOverloadTypeName (OverloadKind Kind)
static OverloadKind	getOverloadKind (Type *Ty)
static std::string	getTypeName (OverloadKind Kind, Type *Ty)
static std::string	constructOverloadName (OverloadKind Kind, Type *Ty, const OpCodeProperty &Prop)
static std::string	constructOverloadTypeName (OverloadKind Kind, StringRef TypeName)
static StructType *	getOrCreateStructType (StringRef Name, ArrayRef< Type * > EltTys, LLVMContext &Ctx)
static StructType *	getResRetType (Type *ElementTy)
static StructType *	getCBufRetType (Type *ElementTy)
static StructType *	getHandleType (LLVMContext &Ctx)
static StructType *	getResBindType (LLVMContext &Context)
static StructType *	getResPropsType (LLVMContext &Context)
static StructType *	getSplitDoubleType (LLVMContext &Context)
static StructType *	getBinaryWithCarryType (LLVMContext &Context)
static Type *	getTypeFromOpParamType (OpParamType Kind, LLVMContext &Ctx, Type *OverloadTy)
static ShaderKind	getShaderKindEnum (Triple::EnvironmentType EnvType)
static SmallVector< Type * >	getArgTypesFromOpParamTypes (ArrayRef< dxil::OpParamType > Types, LLVMContext &Context, Type *OverloadTy)
static FunctionType *	getDXILOpFunctionType (dxil::OpCode OpCode, LLVMContext &Context, Type *OverloadTy)
	Construct DXIL function type.
template<typename T>
static std::optional< size_t >	getPropIndex (ArrayRef< T > PropList, const VersionTuple DXILVer)
	Get index of the property from PropList valid for the most recent DXIL version not greater than DXILVer.
static constexpr uint64_t	computeSwitchEnum (dxil::OpCode OpCode, uint16_t VersionMajor, uint16_t VersionMinor)
static dxil::Attributes	getDXILAttributes (dxil::OpCode OpCode, VersionTuple DXILVersion)
static void	setDXILAttributes (CallInst *CI, dxil::OpCode OpCode, VersionTuple DXILVersion)
static Error	llvm::dxil::makeOpError (dxil::OpCode OpCode, Twine Msg)

Variables
constexpr StringLiteral	DXILOpNamePrefix = "dx.op."

Macro Definition Documentation

DXIL_OP_ATTRIBUTES

#define DXIL_OP_ATTRIBUTES	(		OpCode,
			VersionMajor,
			VersionMinor,
			... )

Value:

  case computeSwitchEnum(OpCode, VersionMajor, VersionMinor): {                \
    auto Other = dxil::Attributes{__VA_ARGS__};                                \
    Attributes |= Other;                                                       \
    break;                                                                     \
  };

DXIL_OP_FUNCTION_TYPE

#define DXIL_OP_FUNCTION_TYPE	(		OpCode,
			RetType,
			... )

Value:

  case OpCode:                                                                 \
    return FunctionType::get(                                                  \
        getTypeFromOpParamType(RetType, Context, OverloadTy),                  \
        getArgTypesFromOpParamTypes({__VA_ARGS__}, Context, OverloadTy),       \
        /*isVarArg=*/false);

DXIL_OP_OPERATION_TABLE

#define DXIL_OP_OPERATION_TABLE

Definition at line 162 of file DXILOpBuilder.cpp.

DXIL_VERSION

#define DXIL_VERSION	(		MAJOR,
			MINOR )

Value:

{MAJOR, MINOR},

Function Documentation

computeSwitchEnum()

constexpr uint64_t computeSwitchEnum ( dxil::OpCode OpCode, uint16_t VersionMajor, uint16_t VersionMinor )

staticconstexpr

Definition at line 415 of file DXILOpBuilder.cpp.

Referenced by getDXILAttributes().

constructOverloadName()

std::string constructOverloadName ( OverloadKind Kind, Type * Ty, const OpCodeProperty & Prop )

static

Definition at line 166 of file DXILOpBuilder.cpp.

References DXILOpNamePrefix, and llvm::getTypeName().

Referenced by llvm::dxil::DXILOpBuilder::tryCreateOp().

constructOverloadTypeName()

std::string constructOverloadTypeName ( OverloadKind Kind, StringRef TypeName )

static

Definition at line 176 of file DXILOpBuilder.cpp.

References assert(), and getOverloadTypeName().

Referenced by getCBufRetType(), and getResRetType().

getArgTypesFromOpParamTypes()

SmallVector< Type * > getArgTypesFromOpParamTypes ( ArrayRef< dxil::OpParamType > Types, LLVMContext & Context, Type * OverloadTy )

static

Definition at line 366 of file DXILOpBuilder.cpp.

References llvm::SmallVectorImpl< T >::emplace_back(), llvm::Type::getInt32Ty(), and getTypeFromOpParamType().

getBinaryWithCarryType()

StructType * getBinaryWithCarryType ( LLVMContext & Context )

static

Definition at line 256 of file DXILOpBuilder.cpp.

References llvm::StructType::create(), llvm::Type::getInt1Ty(), llvm::Type::getInt32Ty(), llvm::StructType::getTypeByName(), and llvm::Int32Ty.

Referenced by getTypeFromOpParamType().

getCBufRetType()

StructType * getCBufRetType ( Type * ElementTy )

static

Definition at line 204 of file DXILOpBuilder.cpp.

References constructOverloadTypeName(), llvm::Type::getContext(), getOrCreateStructType(), getOverloadKind(), llvm::Type::isDoubleTy(), llvm::Type::isHalfTy(), and llvm::Type::isIntegerTy().

Referenced by getTypeFromOpParamType().

getDXILAttributes()

dxil::Attributes getDXILAttributes ( dxil::OpCode OpCode, VersionTuple DXILVersion )

static

Definition at line 424 of file DXILOpBuilder.cpp.

References computeSwitchEnum().

Referenced by setDXILAttributes().

getDXILOpFunctionType()

FunctionType * getDXILOpFunctionType ( dxil::OpCode OpCode, LLVMContext & Context, Type * OverloadTy )

static

Construct DXIL function type.

This is the type of a function with the following prototype OverloadType dx.op.<opclass>.<return-type>(int opcode, ) <param-types> are constructed from types in Prop.

Definition at line 379 of file DXILOpBuilder.cpp.

References llvm_unreachable.

Referenced by llvm::dxil::DXILOpBuilder::tryCreateOp().

getHandleType()

StructType * getHandleType ( LLVMContext & Ctx )

static

Definition at line 227 of file DXILOpBuilder.cpp.

References getOrCreateStructType(), and llvm::PointerType::getUnqual().

Referenced by getTypeFromOpParamType().

getOrCreateStructType()

StructType * getOrCreateStructType ( StringRef Name, ArrayRef< Type * > EltTys, LLVMContext & Ctx )

static

Definition at line 185 of file DXILOpBuilder.cpp.

References llvm::StructType::create(), and llvm::StructType::getTypeByName().

Referenced by getCBufRetType(), getHandleType(), and getResRetType().

getOverloadKind()

OverloadKind getOverloadKind ( Type * Ty )

static

Definition at line 83 of file DXILOpBuilder.cpp.

References llvm::cast(), llvm::Type::DoubleTyID, llvm::Type::FloatTyID, llvm::IntegerType::getBitWidth(), getOverloadKind(), llvm::Type::HalfTyID, llvm::Type::IntegerTyID, llvm_unreachable, llvm::Type::PointerTyID, llvm::Type::StructTyID, T, and llvm::Type::VoidTyID.

Referenced by getCBufRetType(), getOverloadKind(), getResRetType(), and llvm::dxil::DXILOpBuilder::tryCreateOp().

getOverloadTypeName()

const char * getOverloadTypeName ( OverloadKind Kind )

static

Definition at line 55 of file DXILOpBuilder.cpp.

References llvm_unreachable.

Referenced by constructOverloadTypeName(), and getTypeName().

getPropIndex()

template<typename T>

std::optional< size_t > getPropIndex ( ArrayRef< T > PropList, const VersionTuple DXILVer )

static

Get index of the property from PropList valid for the most recent DXIL version not greater than DXILVer.

PropList is expected to be sorted in ascending order of DXIL version.

Definition at line 399 of file DXILOpBuilder.cpp.

References llvm::ArrayRef< T >::rbegin(), llvm::ArrayRef< T >::rend(), llvm::ArrayRef< T >::size(), and T.

Referenced by llvm::dxil::DXILOpBuilder::tryCreateOp().

getResBindType()

StructType * getResBindType ( LLVMContext & Context )

static

Definition at line 232 of file DXILOpBuilder.cpp.

References llvm::StructType::create(), llvm::Type::getInt32Ty(), llvm::Type::getInt8Ty(), llvm::StructType::getTypeByName(), and llvm::Int32Ty.

Referenced by llvm::dxil::DXILOpBuilder::getResBind(), and getTypeFromOpParamType().

getResPropsType()

StructType * getResPropsType ( LLVMContext & Context )

static

Definition at line 241 of file DXILOpBuilder.cpp.

References llvm::StructType::create(), llvm::Type::getInt32Ty(), llvm::StructType::getTypeByName(), and llvm::Int32Ty.

Referenced by llvm::dxil::DXILOpBuilder::getResProps(), and getTypeFromOpParamType().

getResRetType()

StructType * getResRetType ( Type * ElementTy )

static

Definition at line 195 of file DXILOpBuilder.cpp.

References constructOverloadTypeName(), llvm::Type::getContext(), llvm::Type::getInt32Ty(), getOrCreateStructType(), and getOverloadKind().

Referenced by getTypeFromOpParamType().

getShaderKindEnum()

ShaderKind getShaderKindEnum ( Triple::EnvironmentType EnvType )

static

Definition at line 326 of file DXILOpBuilder.cpp.

References llvm::Triple::Amplification, llvm::Triple::AnyHit, llvm::Triple::Callable, llvm::Triple::ClosestHit, llvm::Triple::Compute, llvm::Triple::Domain, llvm::Triple::Geometry, llvm::Triple::Hull, llvm::Triple::Intersection, llvm::Triple::Library, llvm_unreachable, llvm::Triple::Mesh, llvm::Triple::Miss, llvm::Triple::Pixel, llvm::Triple::RayGeneration, and llvm::Triple::Vertex.

Referenced by llvm::dxil::DXILOpBuilder::tryCreateOp().

getSplitDoubleType()

StructType * getSplitDoubleType ( LLVMContext & Context )

static

Definition at line 249 of file DXILOpBuilder.cpp.

References llvm::StructType::create(), llvm::Type::getInt32Ty(), llvm::StructType::getTypeByName(), and llvm::Int32Ty.

Referenced by getTypeFromOpParamType().

getTypeFromOpParamType()

Type * getTypeFromOpParamType ( OpParamType Kind, LLVMContext & Ctx, Type * OverloadTy )

static

Definition at line 264 of file DXILOpBuilder.cpp.

References getBinaryWithCarryType(), getCBufRetType(), llvm::Type::getDoubleTy(), llvm::Type::getFloatTy(), llvm::Type::getHalfTy(), getHandleType(), llvm::Type::getInt16Ty(), llvm::Type::getInt1Ty(), llvm::Type::getInt32Ty(), llvm::Type::getInt64Ty(), llvm::Type::getInt8Ty(), getResBindType(), getResPropsType(), getResRetType(), getSplitDoubleType(), llvm::Type::getVoidTy(), and llvm_unreachable.

Referenced by getArgTypesFromOpParamTypes().

getTypeName()

std::string getTypeName ( OverloadKind Kind, Type * Ty )

static

Definition at line 129 of file DXILOpBuilder.cpp.

References llvm::cast(), getOverloadTypeName(), and llvm::raw_string_ostream::str().

setDXILAttributes()

void setDXILAttributes ( CallInst * CI, dxil::OpCode OpCode, VersionTuple DXILVersion )

static

Definition at line 454 of file DXILOpBuilder.cpp.

References getDXILAttributes(), llvm::CallBase::setCannotDuplicate(), llvm::CallBase::setDoesNotAccessMemory(), llvm::CallBase::setDoesNotReturn(), and llvm::CallBase::setOnlyReadsMemory().

Referenced by llvm::dxil::DXILOpBuilder::tryCreateOp().

Variable Documentation

DXILOpNamePrefix

StringLiteral DXILOpNamePrefix = "dx.op."

constexpr

Definition at line 22 of file DXILOpBuilder.cpp.

Referenced by constructOverloadName().