LowerMatrixIntrinsics.cpp File Reference

#include "llvm/Transforms/Scalar/LowerMatrixIntrinsics.h"
#include "llvm/ADT/PostOrderIterator.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Analysis/DomTreeUpdater.h"
#include "llvm/Analysis/LoopInfo.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/Analysis/VectorUtils.h"
#include "llvm/IR/CFG.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRBuilder.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/MatrixBuilder.h"
#include "llvm/IR/PatternMatch.h"
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/Support/Alignment.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Transforms/Utils/LoopUtils.h"
#include "llvm/Transforms/Utils/MatrixUtils.h"
#include <cmath>

Include dependency graph for LowerMatrixIntrinsics.cpp:

Go to the source code of this file.

Macros
#define	DEBUG_TYPE   "lower-matrix-intrinsics"

Enumerations
enum class	MatrixLayoutTy { ColumnMajor , RowMajor }

Functions
static DISubprogram *	getSubprogram (DIScope *Scope)
	Helper function to either return Scope, if it is a subprogram or the attached subprogram for a local scope.
static void	eraseFromParentAndMove (Value *V, BasicBlock::reverse_iterator &II, BasicBlock &BB)
	Erase V from BB and move \II forward to avoid invalidating iterators.
static bool	isSplat (Value *V)
	Return true if V is a splat of a value (which is used when multiplying a matrix with a scalar).
template<typename LTy , typename RTy >
auto	m_AnyMul (const LTy &L, const RTy &R)
	Match any mul operation (fp or integer).
template<typename LTy , typename RTy >
auto	m_AnyAdd (const LTy &L, const RTy &R)
	Match any add operation (fp or integer).
	INITIALIZE_PASS_BEGIN (LowerMatrixIntrinsicsLegacyPass, DEBUG_TYPE, pass_name, false, false) INITIALIZE_PASS_END(LowerMatrixIntrinsicsLegacyPass
	INITIALIZE_PASS_BEGIN (LowerMatrixIntrinsicsMinimalLegacyPass, "lower-matrix-intrinsics-minimal", pass_name_minimal, false, false) INITIALIZE_PASS_END(LowerMatrixIntrinsicsMinimalLegacyPass

Variables
static cl::opt< bool >	FuseMatrix ("fuse-matrix", cl::init(true), cl::Hidden, cl::desc("Enable/disable fusing matrix instructions."))
static cl::opt< unsigned >	TileSize ("fuse-matrix-tile-size", cl::init(4), cl::Hidden, cl::desc("Tile size for matrix instruction fusion using square-shaped tiles."))
static cl::opt< bool >	TileUseLoops ("fuse-matrix-use-loops", cl::init(false), cl::Hidden, cl::desc("Generate loop nest for tiling."))
static cl::opt< bool >	ForceFusion ("force-fuse-matrix", cl::init(false), cl::Hidden, cl::desc("Force matrix instruction fusion even if not profitable."))
static cl::opt< bool >	AllowContractEnabled ("matrix-allow-contract", cl::init(false), cl::Hidden, cl::desc("Allow the use of FMAs if available and profitable. This may " "result in different results, due to less rounding error."))
static cl::opt< MatrixLayoutTy >	MatrixLayout ("matrix-default-layout", cl::init(MatrixLayoutTy::ColumnMajor), cl::desc("Sets the default matrix layout"), cl::values(clEnumValN(MatrixLayoutTy::ColumnMajor, "column-major", "Use column-major layout"), clEnumValN(MatrixLayoutTy::RowMajor, "row-major", "Use row-major layout")))
static cl::opt< bool >	PrintAfterTransposeOpt ("matrix-print-after-transpose-opt", cl::init(false))
static const char	pass_name [] = "Lower the matrix intrinsics"
	DEBUG_TYPE
	false
static const char	pass_name_minimal [] = "Lower the matrix intrinsics (minimal)"
lower matrix intrinsics	minimal

Macro Definition Documentation

DEBUG_TYPE

#define DEBUG_TYPE   "lower-matrix-intrinsics"

Definition at line 54 of file LowerMatrixIntrinsics.cpp.

Enumeration Type Documentation

MatrixLayoutTy

enum class MatrixLayoutTy

strong

Enumerator
ColumnMajor
RowMajor

Definition at line 75 of file LowerMatrixIntrinsics.cpp.

Function Documentation

eraseFromParentAndMove()

static void eraseFromParentAndMove ( Value *  V, BasicBlock::reverse_iterator &  II, BasicBlock &  BB  )

static

Erase V from BB and move \II forward to avoid invalidating iterators.

Definition at line 98 of file LowerMatrixIntrinsics.cpp.

References llvm::BasicBlock::rend().

getSubprogram()

static DISubprogram * getSubprogram ( DIScope *  Scope )

static

Helper function to either return Scope, if it is a subprogram or the attached subprogram for a local scope.

Definition at line 90 of file LowerMatrixIntrinsics.cpp.

References llvm::DILocalScope::getSubprogram().

INITIALIZE_PASS_BEGIN() [1/2]

INITIALIZE_PASS_BEGIN	(	LowerMatrixIntrinsicsLegacyPass	,
		DEBUG_TYPE	,
		pass_name	,
		false	,
		false
	)

INITIALIZE_PASS_BEGIN() [2/2]

INITIALIZE_PASS_BEGIN	(	LowerMatrixIntrinsicsMinimalLegacyPass	,
		"lower-matrix-intrinsics-minimal"	,
		pass_name_minimal	,
		false	,
		false
	)

isSplat()

static bool isSplat ( Value *  V )

static

Return true if V is a splat of a value (which is used when multiplying a matrix with a scalar).

Definition at line 111 of file LowerMatrixIntrinsics.cpp.

Referenced by llvm::PPC::get_VSPLTI_elt(), llvm::DOTGraphTraits< BoUpSLP * >::getNodeLabel(), llvm::slpvectorizer::BoUpSLP::getReorderingData(), llvm::slpvectorizer::BoUpSLP::isTreeTinyAndNotFullyVectorizable(), and llvm::InstCombinerImpl::visitShuffleVectorInst().

m_AnyAdd()

template<typename LTy , typename RTy >

auto m_AnyAdd	(	const LTy &	L,
		const RTy &	R
	)

Match any add operation (fp or integer).

Definition at line 125 of file LowerMatrixIntrinsics.cpp.

References llvm::PatternMatch::m_Add(), llvm::PatternMatch::m_CombineOr(), and llvm::PatternMatch::m_FAdd().

m_AnyMul()

template<typename LTy , typename RTy >

auto m_AnyMul	(	const LTy &	L,
		const RTy &	R
	)

Match any mul operation (fp or integer).

Definition at line 119 of file LowerMatrixIntrinsics.cpp.

References llvm::PatternMatch::m_CombineOr(), llvm::PatternMatch::m_FMul(), and llvm::PatternMatch::m_Mul().

Variable Documentation

AllowContractEnabled

cl::opt< bool > AllowContractEnabled("matrix-allow-contract", cl::init(false), cl::Hidden, cl::desc("Allow the use of FMAs if available and profitable. This may " "result in different results, due to less rounding error.")) ( "matrix-allow-contract"  , cl::init(false)  , cl::Hidden  , cl::desc("Allow the use of FMAs if available and profitable. This may " "result in different results, due to less rounding error.")    )

static

DEBUG_TYPE

DEBUG_TYPE

Definition at line 2448 of file LowerMatrixIntrinsics.cpp.

false

lower matrix intrinsics false

Definition at line 2449 of file LowerMatrixIntrinsics.cpp.

ForceFusion

cl::opt< bool > ForceFusion("force-fuse-matrix", cl::init(false), cl::Hidden, cl::desc("Force matrix instruction fusion even if not profitable.")) ( "force-fuse-matrix"  , cl::init(false)  , cl::Hidden  , cl::desc("Force matrix instruction fusion even if not profitable.")    )

static

FuseMatrix

cl::opt< bool > FuseMatrix("fuse-matrix", cl::init(true), cl::Hidden, cl::desc("Enable/disable fusing matrix instructions.")) ( "fuse-matrix"  , cl::init(true)  , cl::Hidden  , cl::desc("Enable/disable fusing matrix instructions.")    )

static

MatrixLayout

cl::opt< MatrixLayoutTy > MatrixLayout("matrix-default-layout", cl::init(MatrixLayoutTy::ColumnMajor), cl::desc("Sets the default matrix layout"), cl::values(clEnumValN(MatrixLayoutTy::ColumnMajor, "column-major", "Use column-major layout"), clEnumValN(MatrixLayoutTy::RowMajor, "row-major", "Use row-major layout"))) ( "matrix-default-layout"  , cl::init(MatrixLayoutTy::ColumnMajor)  , cl::desc("Sets the default matrix layout")  , cl::values(clEnumValN(MatrixLayoutTy::ColumnMajor, "column-major", "Use column-major layout"), clEnumValN(MatrixLayoutTy::RowMajor, "row-major", "Use row-major layout"))    )

static

minimal

lower matrix intrinsics minimal

Definition at line 2490 of file LowerMatrixIntrinsics.cpp.

pass_name

pass_name = "Lower the matrix intrinsics"

static

Definition at line 2440 of file LowerMatrixIntrinsics.cpp.

pass_name_minimal

lower matrix intrinsics pass_name_minimal = "Lower the matrix intrinsics (minimal)"

static

Definition at line 2484 of file LowerMatrixIntrinsics.cpp.

PrintAfterTransposeOpt

cl::opt< bool > PrintAfterTransposeOpt("matrix-print-after-transpose-opt", cl::init(false)) ( "matrix-print-after-transpose-opt"  , cl::init(false)    )

static

TileSize

cl::opt< unsigned > TileSize("fuse-matrix-tile-size", cl::init(4), cl::Hidden, cl::desc( "Tile size for matrix instruction fusion using square-shaped tiles.")) ( "fuse-matrix-tile-size"  , cl::init(4)  , cl::Hidden  , cl::desc( "Tile size for matrix instruction fusion using square-shaped tiles.")    )

static

Referenced by llvm::OpenMPIRBuilder::tileLoops().

TileUseLoops

cl::opt< bool > TileUseLoops("fuse-matrix-use-loops", cl::init(false), cl::Hidden, cl::desc("Generate loop nest for tiling.")) ( "fuse-matrix-use-loops"  , cl::init(false)  , cl::Hidden  , cl::desc("Generate loop nest for tiling.")    )

static