#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"

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 StructType *	getDimensionsType (LLVMContext &Context)
static StructType *	getFouri32sType (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)
	Get the set of attributes for a given DXIL OpCode and the DXIL version.
static AttributeList	getDXILFnAttributeList (LLVMContext &Ctx, dxil::OpCode OpCode, VersionTuple DXILVersion)
	Get the attributes to apply to the function for the DXIL operation with the given OpCode and DXIL version.
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 434 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 385 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().

◆ getDimensionsType()

StructType * getDimensionsType ( LLVMContext & Context )

static

Definition at line 264 of file DXILOpBuilder.cpp.

References llvm::Type::getInt32Ty(), getOrCreateStructType(), and llvm::Int32Ty.

Referenced by getTypeFromOpParamType().

◆ getDXILAttributes()

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

static

Get the set of attributes for a given DXIL OpCode and the DXIL version.

Definition at line 442 of file DXILOpBuilder.cpp.

References computeSwitchEnum().

Referenced by getDXILFnAttributeList().

◆ getDXILFnAttributeList()

AttributeList getDXILFnAttributeList	(	LLVMContext &	Ctx,
		dxil::OpCode	OpCode,
		VersionTuple	DXILVersion )

static

Get the attributes to apply to the function for the DXIL operation with the given OpCode and DXIL version.

Definition at line 472 of file DXILOpBuilder.cpp.

References getDXILAttributes(), llvm::MemoryEffectsBase< IRMemLocation >::none(), and llvm::MemoryEffectsBase< IRMemLocation >::readOnly().

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

◆ 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 398 of file DXILOpBuilder.cpp.

References llvm_unreachable.

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