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/InstrTypes.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.

Classes
class	DXILIntrinsicExpansionLegacy

Macros
#define	DEBUG_TYPE   "dxil-intrinsic-expansion"

Functions
static bool	isIntrinsicExpansion (Function &F)
static Value *	expandVecReduceAdd (CallInst *Orig, Intrinsic::ID IntrinsicId)
static Value *	expandAbs (CallInst *Orig)
static Value *	expandCrossIntrinsic (CallInst *Orig)
static Value *	expandFloatDotIntrinsic (CallInst *Orig, Value *A, Value *B)
static Value *	expandFloatDotIntrinsic (CallInst *Orig)
static Value *	expandIntegerDotIntrinsic (CallInst *Orig, Intrinsic::ID DotIntrinsic)
static Value *	expandExpIntrinsic (CallInst *Orig)
static Value *	expandAnyOrAllIntrinsic (CallInst *Orig, Intrinsic::ID intrinsicId)
static Value *	expandLerpIntrinsic (CallInst *Orig)
static Value *	expandLogIntrinsic (CallInst *Orig, float LogConstVal=numbers::ln2f)
static Value *	expandLog10Intrinsic (CallInst *Orig)
static Value *	expandNormalizeIntrinsic (CallInst *Orig)
static Value *	expandAtan2Intrinsic (CallInst *Orig)
static Value *	expandPowIntrinsic (CallInst *Orig)
static Value *	expandStepIntrinsic (CallInst *Orig)
static Value *	expandRadiansIntrinsic (CallInst *Orig)
static Intrinsic::ID	getMaxForClamp (Intrinsic::ID ClampIntrinsic)
static Intrinsic::ID	getMinForClamp (Intrinsic::ID ClampIntrinsic)
static Value *	expandClampIntrinsic (CallInst *Orig, Intrinsic::ID ClampIntrinsic)
static Value *	expandDegreesIntrinsic (CallInst *Orig)
static Value *	expandSignIntrinsic (CallInst *Orig)
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 31 of file DXILIntrinsicExpansion.cpp.

Function Documentation

expandAbs()

static Value * expandAbs ( CallInst *  Orig )

static

Definition at line 105 of file DXILIntrinsicExpansion.cpp.

References llvm::IRBuilderBase::CreateIntrinsic(), llvm::IRBuilderBase::CreateSub(), llvm::ElementCount::getFixed(), getNumElements(), llvm::User::getOperand(), llvm::Type::getScalarType(), llvm::ConstantVector::getSplat(), llvm::Type::isVectorTy(), and X.

Referenced by expandIntrinsic().

expandAnyOrAllIntrinsic()

static Value * expandAnyOrAllIntrinsic ( CallInst *  Orig, Intrinsic::ID  intrinsicId  )

static

Definition at line 253 of file DXILIntrinsicExpansion.cpp.

References assert(), Cond, llvm::IRBuilderBase::CreateAnd(), llvm::IRBuilderBase::CreateExtractElement(), llvm::IRBuilderBase::CreateFCmpUNE(), llvm::IRBuilderBase::CreateICmpNE(), llvm::IRBuilderBase::CreateOr(), llvm::ElementCount::getFixed(), llvm::User::getOperand(), llvm::Type::getScalarType(), llvm::ConstantVector::getSplat(), I, llvm::Type::isFloatingPointTy(), llvm::Type::isVectorTy(), and X.

Referenced by expandIntrinsic().

expandAtan2Intrinsic()

static Value * expandAtan2Intrinsic ( CallInst *  Orig )

static

Definition at line 365 of file DXILIntrinsicExpansion.cpp.

References llvm::IRBuilderBase::CreateAnd(), llvm::IRBuilderBase::CreateFAdd(), llvm::IRBuilderBase::CreateFCmpOEQ(), llvm::IRBuilderBase::CreateFCmpOGE(), llvm::IRBuilderBase::CreateFCmpOLT(), llvm::IRBuilderBase::CreateFDiv(), llvm::IRBuilderBase::CreateFSub(), llvm::IRBuilderBase::CreateIntrinsic(), llvm::IRBuilderBase::CreateSelect(), llvm::CallBase::getAttributes(), llvm::Instruction::getFastMathFlags(), llvm::User::getOperand(), llvm::CallInst::isTailCall(), llvm::numbers::pi, llvm::CallBase::setAttributes(), llvm::IRBuilderBase::setFastMathFlags(), llvm::CallInst::setTailCall(), X, and Y.

Referenced by expandIntrinsic().

expandClampIntrinsic()

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

static

Definition at line 478 of file DXILIntrinsicExpansion.cpp.

References llvm::IRBuilderBase::CreateIntrinsic(), getMaxForClamp(), getMinForClamp(), llvm::User::getOperand(), and X.

Referenced by expandIntrinsic().

expandCrossIntrinsic()

static Value * expandCrossIntrinsic ( CallInst *  Orig )

static

Definition at line 121 of file DXILIntrinsicExpansion.cpp.

References llvm::IRBuilderBase::CreateExtractElement(), llvm::IRBuilderBase::CreateFMul(), llvm::IRBuilderBase::CreateFSub(), llvm::IRBuilderBase::CreateInsertElement(), llvm::UndefValue::get(), llvm::Value::getName(), getNumElements(), llvm::User::getOperand(), llvm::Value::getType(), and llvm::report_fatal_error().

Referenced by expandIntrinsic().

expandDegreesIntrinsic()

static Value * expandDegreesIntrinsic ( CallInst *  Orig )

static

Definition at line 491 of file DXILIntrinsicExpansion.cpp.

References llvm::IRBuilderBase::CreateFMul(), llvm::User::getOperand(), llvm::numbers::inv_pi, and X.

Referenced by expandIntrinsic().

expandExpIntrinsic()

static Value * expandExpIntrinsic ( CallInst *  Orig )

static

Definition at line 234 of file DXILIntrinsicExpansion.cpp.

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

Referenced by expandIntrinsic().

expandFloatDotIntrinsic() [1/2]

static Value * expandFloatDotIntrinsic ( CallInst *  Orig )

static

Definition at line 195 of file DXILIntrinsicExpansion.cpp.

References expandFloatDotIntrinsic(), and llvm::User::getOperand().

expandFloatDotIntrinsic() [2/2]

static Value * expandFloatDotIntrinsic ( CallInst *  Orig, Value *  A, Value *  B  )

static

Definition at line 160 of file DXILIntrinsicExpansion.cpp.

References A, assert(), B, llvm::IRBuilderBase::CreateIntrinsic(), llvm::Type::getScalarType(), llvm::Type::isFloatingPointTy(), llvm::Type::isVectorTy(), and llvm::report_fatal_error().

Referenced by expandFloatDotIntrinsic(), expandIntrinsic(), and expandNormalizeIntrinsic().

expandIntegerDotIntrinsic()

static Value * expandIntegerDotIntrinsic ( CallInst *  Orig, Intrinsic::ID  DotIntrinsic  )

static

Definition at line 201 of file DXILIntrinsicExpansion.cpp.

References A, assert(), B, llvm::IRBuilderBase::CreateExtractElement(), llvm::IRBuilderBase::CreateIntrinsic(), llvm::IRBuilderBase::CreateMul(), llvm::User::getOperand(), llvm::Type::getScalarType(), I, llvm::Type::isIntegerTy(), and llvm::Type::isVectorTy().

Referenced by expandIntrinsic().

expandIntrinsic()

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

static

Definition at line 525 of file DXILIntrinsicExpansion.cpp.

References llvm::Instruction::eraseFromParent(), expandAbs(), expandAnyOrAllIntrinsic(), expandAtan2Intrinsic(), expandClampIntrinsic(), expandCrossIntrinsic(), expandDegreesIntrinsic(), expandExpIntrinsic(), expandFloatDotIntrinsic(), expandIntegerDotIntrinsic(), expandLerpIntrinsic(), expandLog10Intrinsic(), expandLogIntrinsic(), expandNormalizeIntrinsic(), expandPowIntrinsic(), expandRadiansIntrinsic(), expandSignIntrinsic(), expandStepIntrinsic(), expandVecReduceAdd(), F, and llvm::Value::replaceAllUsesWith().

Referenced by expansionIntrinsics().

expandLerpIntrinsic()

static Value * expandLerpIntrinsic ( CallInst *  Orig )

static

Definition at line 294 of file DXILIntrinsicExpansion.cpp.

References llvm::IRBuilderBase::CreateFAdd(), llvm::IRBuilderBase::CreateFMul(), llvm::IRBuilderBase::CreateFSub(), llvm::User::getOperand(), X, and Y.

Referenced by expandIntrinsic().

expandLog10Intrinsic()

static Value * expandLog10Intrinsic ( CallInst *  Orig )

static

Definition at line 322 of file DXILIntrinsicExpansion.cpp.

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

Referenced by expandIntrinsic().

expandLogIntrinsic()

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

static

Definition at line 304 of file DXILIntrinsicExpansion.cpp.

References llvm::IRBuilderBase::CreateFMul(), llvm::IRBuilderBase::CreateIntrinsic(), llvm::CallBase::getAttributes(), llvm::ElementCount::getFixed(), getNumElements(), llvm::User::getOperand(), llvm::Type::getScalarType(), llvm::ConstantVector::getSplat(), llvm::CallInst::isTailCall(), llvm::Type::isVectorTy(), llvm::CallInst::setTailCall(), and X.

Referenced by expandIntrinsic(), and expandLog10Intrinsic().

expandNormalizeIntrinsic()

static Value * expandNormalizeIntrinsic ( CallInst *  Orig )

static

Definition at line 328 of file DXILIntrinsicExpansion.cpp.

References llvm::IRBuilderBase::CreateFDiv(), llvm::IRBuilderBase::CreateFMul(), llvm::IRBuilderBase::CreateIntrinsic(), llvm::IRBuilderBase::CreateVectorSplat(), expandFloatDotIntrinsic(), llvm::User::getOperand(), llvm::Type::getScalarType(), llvm::Value::getType(), llvm::APFloat::isZero(), llvm::report_fatal_error(), and X.

Referenced by expandIntrinsic().

expandPowIntrinsic()

static Value * expandPowIntrinsic ( CallInst *  Orig )

static

Definition at line 413 of file DXILIntrinsicExpansion.cpp.

References llvm::IRBuilderBase::CreateFMul(), llvm::IRBuilderBase::CreateIntrinsic(), llvm::CallBase::getAttributes(), llvm::User::getOperand(), llvm::CallInst::isTailCall(), Mul, llvm::CallInst::setTailCall(), X, and Y.

Referenced by expandIntrinsic().

expandRadiansIntrinsic()

static Value * expandRadiansIntrinsic ( CallInst *  Orig )

static

Definition at line 452 of file DXILIntrinsicExpansion.cpp.

References llvm::IRBuilderBase::CreateFMul(), llvm::User::getOperand(), llvm::numbers::pi, and X.

Referenced by expandIntrinsic().

expandSignIntrinsic()

static Value * expandSignIntrinsic ( CallInst *  Orig )

static

Definition at line 499 of file DXILIntrinsicExpansion.cpp.

References assert(), llvm::IRBuilderBase::CreateFCmpOLT(), llvm::IRBuilderBase::CreateICmpSLT(), llvm::IRBuilderBase::CreateSub(), llvm::IRBuilderBase::CreateZExt(), llvm::Constant::getNullValue(), llvm::User::getOperand(), llvm::Type::getScalarType(), llvm::Value::getType(), llvm::Type::isFloatingPointTy(), llvm::Type::isIntegerTy(), RetTy, and X.

Referenced by expandIntrinsic().

expandStepIntrinsic()

static Value * expandStepIntrinsic ( CallInst *  Orig )

static

Definition at line 430 of file DXILIntrinsicExpansion.cpp.

References Cond, llvm::IRBuilderBase::CreateFCmpOLT(), llvm::IRBuilderBase::CreateSelect(), llvm::ElementCount::getFixed(), llvm::User::getOperand(), llvm::Type::getScalarType(), llvm::ConstantVector::getSplat(), X, and Y.

Referenced by expandIntrinsic().

expandVecReduceAdd()

static Value * expandVecReduceAdd ( CallInst *  Orig, Intrinsic::ID  IntrinsicId  )

static

Definition at line 73 of file DXILIntrinsicExpansion.cpp.

References assert(), llvm::IRBuilderBase::CreateAdd(), llvm::IRBuilderBase::CreateExtractElement(), llvm::IRBuilderBase::CreateFAdd(), llvm::User::getOperand(), I, llvm::Constant::isZeroValue(), and X.

Referenced by expandIntrinsic().

expansionIntrinsics()

static bool expansionIntrinsics ( Module &  M )

static

Definition at line 597 of file DXILIntrinsicExpansion.cpp.

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

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

getMaxForClamp()

static Intrinsic::ID getMaxForClamp ( Intrinsic::ID  ClampIntrinsic )

static

Definition at line 460 of file DXILIntrinsicExpansion.cpp.

References assert().

Referenced by expandClampIntrinsic().

getMinForClamp()

static Intrinsic::ID getMinForClamp ( Intrinsic::ID  ClampIntrinsic )

static

Definition at line 469 of file DXILIntrinsicExpansion.cpp.

References assert().

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 44 of file DXILIntrinsicExpansion.cpp.

References F.

Referenced by expansionIntrinsics().

Variable Documentation

DEBUG_TYPE

DEBUG_TYPE

Definition at line 629 of file DXILIntrinsicExpansion.cpp.

Expansion

DXIL Intrinsic Expansion

Definition at line 630 of file DXILIntrinsicExpansion.cpp.

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

false

DXIL Intrinsic false

Definition at line 630 of file DXILIntrinsicExpansion.cpp.