DXILIntrinsicExpansion.cpp File Reference

#include "DXILIntrinsicExpansion.h"
#include "DirectX.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicsDirectX.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/Type.h"
#include "llvm/Pass.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "dxil-intrinsic-expansion"

Functions
static bool	isIntrinsicExpansion (Function &F)
static bool	expandAbs (CallInst *Orig)
static bool	expandIntegerDot (CallInst *Orig, Intrinsic::ID DotIntrinsic)
static bool	expandExpIntrinsic (CallInst *Orig)
static bool	expandAnyIntrinsic (CallInst *Orig)
static bool	expandLerpIntrinsic (CallInst *Orig)
static bool	expandLogIntrinsic (CallInst *Orig, float LogConstVal=numbers::ln2f)
static bool	expandLog10Intrinsic (CallInst *Orig)
static bool	expandPowIntrinsic (CallInst *Orig)
static Intrinsic::ID	getMaxForClamp (Type *ElemTy, Intrinsic::ID ClampIntrinsic)
static Intrinsic::ID	getMinForClamp (Type *ElemTy, Intrinsic::ID ClampIntrinsic)
static bool	expandClampIntrinsic (CallInst *Orig, Intrinsic::ID ClampIntrinsic)
static bool	expandIntrinsic (Function &F, CallInst *Orig)
static bool	expansionIntrinsics (Module &M)
	INITIALIZE_PASS_BEGIN (DXILIntrinsicExpansionLegacy, DEBUG_TYPE, "DXIL Intrinsic Expansion", false, false) INITIALIZE_PASS_END(DXILIntrinsicExpansionLegacy

Variables
	DEBUG_TYPE
DXIL Intrinsic	Expansion
DXIL Intrinsic	false

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "dxil-intrinsic-expansion"

Definition at line 30 of file DXILIntrinsicExpansion.cpp.

Function Documentation

expandAbs()

static bool expandAbs ( CallInst *  Orig )

static

Definition at line 52 of file DXILIntrinsicExpansion.cpp.

References llvm::IRBuilderBase::CreateIntrinsic(), llvm::IRBuilderBase::CreateSub(), llvm::Instruction::eraseFromParent(), llvm::ElementCount::getFixed(), llvm::User::getOperand(), llvm::Instruction::getParent(), llvm::Type::getScalarType(), llvm::ConstantVector::getSplat(), llvm::Type::isVectorTy(), llvm::Value::replaceAllUsesWith(), llvm::IRBuilderBase::SetInsertPoint(), and X.

Referenced by expandIntrinsic().

expandAnyIntrinsic()

static bool expandAnyIntrinsic ( CallInst *  Orig )

static

Definition at line 125 of file DXILIntrinsicExpansion.cpp.

References Cond, llvm::IRBuilderBase::CreateExtractElement(), llvm::IRBuilderBase::CreateFCmpUNE(), llvm::IRBuilderBase::CreateICmpNE(), llvm::IRBuilderBase::CreateOr(), llvm::Instruction::eraseFromParent(), llvm::ElementCount::getFixed(), llvm::User::getOperand(), llvm::Instruction::getParent(), llvm::Type::getScalarType(), llvm::ConstantVector::getSplat(), I, llvm::Type::isFloatingPointTy(), llvm::Type::isVectorTy(), llvm::Value::replaceAllUsesWith(), llvm::IRBuilderBase::SetInsertPoint(), and X.

Referenced by expandIntrinsic().

expandClampIntrinsic()

static bool expandClampIntrinsic ( CallInst *  Orig, Intrinsic::ID  ClampIntrinsic  )

static

Definition at line 246 of file DXILIntrinsicExpansion.cpp.

References llvm::IRBuilderBase::CreateIntrinsic(), llvm::Instruction::eraseFromParent(), getMaxForClamp(), getMinForClamp(), llvm::User::getOperand(), llvm::Instruction::getParent(), llvm::Value::replaceAllUsesWith(), llvm::IRBuilderBase::SetInsertPoint(), and X.

Referenced by expandIntrinsic().

expandExpIntrinsic()

static bool expandExpIntrinsic ( CallInst *  Orig )

static

Definition at line 103 of file DXILIntrinsicExpansion.cpp.

References llvm::IRBuilderBase::CreateFMul(), llvm::IRBuilderBase::CreateIntrinsic(), llvm::Instruction::eraseFromParent(), llvm::CallBase::getAttributes(), llvm::ElementCount::getFixed(), llvm::User::getOperand(), llvm::Instruction::getParent(), llvm::Type::getScalarType(), llvm::ConstantVector::getSplat(), llvm::CallInst::isTailCall(), llvm::Type::isVectorTy(), llvm::numbers::log2ef, llvm::Value::replaceAllUsesWith(), llvm::IRBuilderBase::SetInsertPoint(), llvm::CallInst::setTailCall(), and X.

Referenced by expandIntrinsic().

expandIntegerDot()

static bool expandIntegerDot ( CallInst *  Orig, Intrinsic::ID  DotIntrinsic  )

static

Definition at line 72 of file DXILIntrinsicExpansion.cpp.

References A, assert(), B, llvm::IRBuilderBase::CreateExtractElement(), llvm::IRBuilderBase::CreateIntrinsic(), llvm::IRBuilderBase::CreateMul(), llvm::Instruction::eraseFromParent(), llvm::User::getOperand(), llvm::Instruction::getParent(), I, llvm::Type::isVectorTy(), llvm::Value::replaceAllUsesWith(), and llvm::IRBuilderBase::SetInsertPoint().

Referenced by expandIntrinsic().

expandIntrinsic()

static bool expandIntrinsic ( Function &  F, CallInst *  Orig  )

static

Definition at line 264 of file DXILIntrinsicExpansion.cpp.

References expandAbs(), expandAnyIntrinsic(), expandClampIntrinsic(), expandExpIntrinsic(), expandIntegerDot(), expandLerpIntrinsic(), expandLog10Intrinsic(), expandLogIntrinsic(), expandPowIntrinsic(), and F.

Referenced by expansionIntrinsics().

expandLerpIntrinsic()

static bool expandLerpIntrinsic ( CallInst *  Orig )

static

Definition at line 160 of file DXILIntrinsicExpansion.cpp.

References llvm::IRBuilderBase::CreateFAdd(), llvm::IRBuilderBase::CreateFMul(), llvm::IRBuilderBase::CreateFSub(), llvm::Instruction::eraseFromParent(), llvm::User::getOperand(), llvm::Instruction::getParent(), llvm::Value::replaceAllUsesWith(), llvm::IRBuilderBase::SetInsertPoint(), X, and Y.

Referenced by expandIntrinsic().

expandLog10Intrinsic()

static bool expandLog10Intrinsic ( CallInst *  Orig )

static

Definition at line 196 of file DXILIntrinsicExpansion.cpp.

References expandLogIntrinsic(), llvm::numbers::ln10f, and llvm::numbers::ln2f.

Referenced by expandIntrinsic().

expandLogIntrinsic()

static bool expandLogIntrinsic ( CallInst *  Orig, float  LogConstVal = numbers::ln2f  )

static

Definition at line 174 of file DXILIntrinsicExpansion.cpp.

References llvm::IRBuilderBase::CreateFMul(), llvm::IRBuilderBase::CreateIntrinsic(), llvm::Instruction::eraseFromParent(), llvm::CallBase::getAttributes(), llvm::ElementCount::getFixed(), llvm::User::getOperand(), llvm::Instruction::getParent(), llvm::Type::getScalarType(), llvm::ConstantVector::getSplat(), llvm::CallInst::isTailCall(), llvm::Type::isVectorTy(), llvm::Value::replaceAllUsesWith(), llvm::IRBuilderBase::SetInsertPoint(), llvm::CallInst::setTailCall(), and X.

Referenced by expandIntrinsic(), and expandLog10Intrinsic().

expandPowIntrinsic()

static bool expandPowIntrinsic ( CallInst *  Orig )

static

Definition at line 200 of file DXILIntrinsicExpansion.cpp.

References llvm::IRBuilderBase::CreateFMul(), llvm::IRBuilderBase::CreateIntrinsic(), llvm::Instruction::eraseFromParent(), llvm::CallBase::getAttributes(), llvm::User::getOperand(), llvm::Instruction::getParent(), llvm::CallInst::isTailCall(), Mul, llvm::Value::replaceAllUsesWith(), llvm::IRBuilderBase::SetInsertPoint(), llvm::CallInst::setTailCall(), X, and Y.

Referenced by expandIntrinsic().

expansionIntrinsics()

static bool expansionIntrinsics ( Module &  M )

static

Definition at line 290 of file DXILIntrinsicExpansion.cpp.

References expandIntrinsic(), F, isIntrinsicExpansion(), and llvm::make_early_inc_range().

Referenced by llvm::DXILIntrinsicExpansion::run(), and llvm::DXILIntrinsicExpansionLegacy::runOnModule().

getMaxForClamp()

static Intrinsic::ID getMaxForClamp ( Type *  ElemTy, Intrinsic::ID  ClampIntrinsic  )

static

Definition at line 220 of file DXILIntrinsicExpansion.cpp.

References assert(), llvm::Type::getScalarType(), llvm::Type::isFloatingPointTy(), llvm::Type::isIntegerTy(), and llvm::Type::isVectorTy().

Referenced by expandClampIntrinsic().

getMinForClamp()

static Intrinsic::ID getMinForClamp ( Type *  ElemTy, Intrinsic::ID  ClampIntrinsic  )

static

Definition at line 233 of file DXILIntrinsicExpansion.cpp.

References assert(), llvm::Type::getScalarType(), llvm::Type::isFloatingPointTy(), llvm::Type::isIntegerTy(), and llvm::Type::isVectorTy().

Referenced by expandClampIntrinsic().

INITIALIZE_PASS_BEGIN()

INITIALIZE_PASS_BEGIN	(	DXILIntrinsicExpansionLegacy	,
		DEBUG_TYPE	,
		"DXIL Intrinsic Expansion"	,
		false	,
		false
	)

isIntrinsicExpansion()

static bool isIntrinsicExpansion ( Function &  F )

static

Definition at line 34 of file DXILIntrinsicExpansion.cpp.

References F.

Referenced by expansionIntrinsics().

Variable Documentation

DEBUG_TYPE

DEBUG_TYPE

Definition at line 322 of file DXILIntrinsicExpansion.cpp.

Expansion

DXIL Intrinsic Expansion

Definition at line 323 of file DXILIntrinsicExpansion.cpp.

Referenced by llvm::coverage::CoverageMapping::getCoverageForExpansion().

false

DXIL Intrinsic false

Definition at line 323 of file DXILIntrinsicExpansion.cpp.