SplitReduction.cpp File Reference

#include <optional>
#include <utility>
#include "mlir/Analysis/SliceAnalysis.h"
#include "mlir/Dialect/Arith/IR/Arith.h"
#include "mlir/Dialect/Bufferization/IR/Bufferization.h"
#include "mlir/Dialect/Linalg/IR/Linalg.h"
#include "mlir/Dialect/Linalg/Transforms/Transforms.h"
#include "mlir/Dialect/Linalg/Utils/Utils.h"
#include "mlir/Dialect/Tensor/IR/Tensor.h"
#include "mlir/Dialect/Tensor/Utils/Utils.h"
#include "mlir/IR/PatternMatch.h"

Go to the source code of this file.

Functions
static AffineMap	scaleReductionDim (LinalgOp op, OpOperand &opOperand, unsigned reductionDimPos, int64_t reductionRatio)
	Rewrite f(i, j, k, ...) into f(i, j, k * ratio + kk, ...) TODO: Additional pattern to rewrite f(i, j, k * ratio + kk, ...) into f(i, j, k, kk, ...) with a proper ExpandShapeOp. More...
static AffineMap	insertParallelDim (LinalgOp op, OpOperand &opOperand, unsigned reductionDimPos, int64_t size)

Function Documentation

insertParallelDim()

static AffineMap insertParallelDim ( LinalgOp  op, OpOperand &  opOperand, unsigned  reductionDimPos, int64_t  size  )

static

Definition at line 230 of file SplitReduction.cpp.

References mlir::AffineMap::compose(), mlir::getAffineDimExpr(), mlir::AffineMap::getMultiDimIdentityMap(), mlir::AffineMap::getNumDims(), mlir::AffineMap::insertResult(), and mlir::AffineMap::shiftDims().

Referenced by mlir::linalg::splitReductionByScaling().

scaleReductionDim()

static AffineMap scaleReductionDim ( LinalgOp  op, OpOperand &  opOperand, unsigned  reductionDimPos, int64_t  reductionRatio  )

static

Rewrite f(i, j, k, ...) into f(i, j, k * ratio + kk, ...) TODO: Additional pattern to rewrite f(i, j, k * ratio + kk, ...) into f(i, j, k, kk, ...) with a proper ExpandShapeOp.

This is probably better done as a transform to enable better vectorization.

Definition at line 215 of file SplitReduction.cpp.

References mlir::AffineMap::compose(), mlir::getAffineDimExpr(), mlir::AffineMap::getMultiDimIdentityMap(), mlir::AffineMap::getNumDims(), mlir::AffineMap::replace(), and mlir::AffineMap::shiftDims().

Referenced by mlir::linalg::splitReductionByScaling().