2de2dbef2a
Use the new canonicalization pattern in the SCF dialect. Differential Revision: https://reviews.llvm.org/D107732
633 lines
27 KiB
C++
633 lines
27 KiB
C++
//===- TestLinalgTransforms.cpp - Test Linalg transformation patterns -----===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements logic for testing Linalg transformations.
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/Dialect/Affine/IR/AffineOps.h"
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#include "mlir/Dialect/GPU/GPUDialect.h"
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#include "mlir/Dialect/Linalg/IR/LinalgOps.h"
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#include "mlir/Dialect/Linalg/Transforms/Hoisting.h"
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#include "mlir/Dialect/Linalg/Transforms/Transforms.h"
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#include "mlir/Dialect/Linalg/Utils/Utils.h"
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#include "mlir/Dialect/StandardOps/IR/Ops.h"
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#include "mlir/Dialect/Vector/VectorOps.h"
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#include "mlir/Pass/Pass.h"
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#include "mlir/Transforms/GreedyPatternRewriteDriver.h"
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#include "llvm/ADT/SetVector.h"
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using namespace mlir;
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using namespace mlir::linalg;
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namespace {
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struct TestLinalgTransforms
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: public PassWrapper<TestLinalgTransforms, FunctionPass> {
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TestLinalgTransforms() = default;
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TestLinalgTransforms(const TestLinalgTransforms &pass) {}
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void getDependentDialects(DialectRegistry ®istry) const override {
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// clang-format off
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registry.insert<AffineDialect,
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memref::MemRefDialect,
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scf::SCFDialect,
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StandardOpsDialect,
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vector::VectorDialect,
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gpu::GPUDialect>();
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// clang-format on
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}
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StringRef getArgument() const final {
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return "test-linalg-transform-patterns";
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}
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StringRef getDescription() const final {
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return "Test Linalg transformation patterns by applying them greedily.";
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}
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void runOnFunction() override;
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Option<bool> testPatterns{*this, "test-patterns",
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llvm::cl::desc("Test a mixed set of patterns"),
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llvm::cl::init(false)};
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Option<bool> testMatmulToVectorPatterns1dTiling{
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*this, "test-matmul-to-vector-patterns-tile-1d",
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llvm::cl::desc(
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"Test a fused pass that applies patterns from matmul to vectors via "
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"1-d tiling"),
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llvm::cl::init(false)};
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Option<bool> testMatmulToVectorPatterns2dTiling{
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*this, "test-matmul-to-vector-patterns-tile-2d",
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llvm::cl::desc(
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"Test a fused pass that applies patterns from matmul to vectors via "
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"2-d tiling"),
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llvm::cl::init(false)};
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Option<bool> testPromotionOptions{*this, "test-linalg-promotion-options",
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llvm::cl::desc("Test promotion options"),
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llvm::cl::init(false)};
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Option<bool> testTileAndDistributionOptions{
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*this, "test-tile-and-distribute-options",
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llvm::cl::desc("Test tile and distribute options"),
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llvm::cl::init(false)};
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Option<bool> testVectorTransferForwardingPatterns{
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*this, "test-vector-transfer-forwarding-patterns",
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llvm::cl::desc(
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"Test a fused pass that forwards linalg.copy to vector.transfer"),
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llvm::cl::init(false)};
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Option<bool> testGenericToVectorPattern{
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*this, "test-linalg-to-vector-patterns",
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llvm::cl::desc("Test a set of patterns that rewrite a linalg contraction "
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"in vector.contract form"),
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llvm::cl::init(false)};
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Option<bool> testTileAndPadPattern{
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*this, "test-tile-and-pad-pattern",
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llvm::cl::desc("Test tile and pad pattern"), llvm::cl::init(false)};
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Option<int> testHoistPadding{*this, "test-hoist-padding",
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llvm::cl::desc("Test hoist padding"),
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llvm::cl::init(0)};
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Option<bool> testTransformPadTensor{
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*this, "test-transform-pad-tensor",
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llvm::cl::desc("Test transform pad tensor by copying with generic ops"),
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llvm::cl::init(false)};
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Option<bool> testGeneralizePadTensor{
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*this, "test-generalize-pad-tensor",
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llvm::cl::desc("Test transform pad tensor by copying with generic ops"),
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llvm::cl::init(false)};
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Option<bool> testSwapSubTensorPadTensor{
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*this, "test-swap-subtensor-padtensor",
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llvm::cl::desc("Test rewrite of subtensor(pad_tensor) into "
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"pad_tensor(subtensor)"),
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llvm::cl::init(false)};
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ListOption<int64_t> tileSizesForPadding{
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*this, "tile-sizes-for-padding",
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llvm::cl::desc("Linalg tile sizes when tile+pad"), llvm::cl::ZeroOrMore,
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llvm::cl::MiscFlags::CommaSeparated};
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ListOption<unsigned> testInterchangePattern{
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*this, "test-interchange-pattern", llvm::cl::MiscFlags::CommaSeparated,
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llvm::cl::desc("Test the interchange pattern.")};
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};
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} // end anonymous namespace
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static void applyPatterns(FuncOp funcOp) {
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MLIRContext *ctx = funcOp.getContext();
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RewritePatternSet patterns(ctx);
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//===--------------------------------------------------------------------===//
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// Linalg tiling patterns.
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//===--------------------------------------------------------------------===//
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patterns.add<LinalgTilingPattern<MatmulOp>>(
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ctx, LinalgTilingOptions().setTileSizes({2000, 3000, 4000}),
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LinalgTransformationFilter(Identifier::get("MEM", ctx),
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Identifier::get("L3", ctx)));
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patterns.add<LinalgTilingPattern<MatmulOp>>(
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ctx, LinalgTilingOptions().setTileSizes({200, 300, 400}),
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LinalgTransformationFilter(Identifier::get("L3", ctx),
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Identifier::get("L2", ctx)));
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patterns.add<LinalgTilingPattern<MatmulOp>>(
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ctx, LinalgTilingOptions().setTileSizes({20, 30, 40}),
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LinalgTransformationFilter(Identifier::get("L2", ctx),
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Identifier::get("L1", ctx)));
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patterns.add<LinalgTilingPattern<MatmulOp>>(
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ctx, LinalgTilingOptions().setTileSizes({2, 3, 4}),
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LinalgTransformationFilter(Identifier::get("L1", ctx),
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Identifier::get("REG", ctx)));
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patterns.add<LinalgTilingPattern<MatvecOp>>(
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ctx,
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LinalgTilingOptions().setTileSizes({5, 6}).setLoopType(
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LinalgTilingLoopType::ParallelLoops),
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LinalgTransformationFilter(ArrayRef<Identifier>{},
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Identifier::get("L1", ctx)));
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patterns.add<LinalgTilingPattern<DotOp>>(
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ctx, LinalgTilingOptions().setTileSizes(8000),
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LinalgTransformationFilter(
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ArrayRef<Identifier>{Identifier::get("MEM", ctx),
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Identifier::get("L3", ctx),
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Identifier::get("L2", ctx)},
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Identifier::get("REG", ctx)));
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//===--------------------------------------------------------------------===//
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// Linalg tiling and permutation patterns.
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//===--------------------------------------------------------------------===//
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patterns.add<LinalgTilingPattern<MatmulOp>>(
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ctx,
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LinalgTilingOptions()
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.setTileSizes({2000, 3000, 4000})
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.setInterchange({1, 2, 0}),
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LinalgTransformationFilter(Identifier::get("__with_perm__", ctx),
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Identifier::get("L2__with_perm__", ctx)));
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patterns.add<LinalgTilingPattern<MatmulOp>>(
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ctx,
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LinalgTilingOptions()
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.setTileSizes({200, 300, 400})
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.setInterchange({1, 0, 2}),
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LinalgTransformationFilter(Identifier::get("L2__with_perm__", ctx),
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Identifier::get("L1__with_perm__", ctx)));
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patterns.add<LinalgTilingPattern<MatmulOp>>(
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ctx, LinalgTilingOptions().setTileSizes({20, 30, 40}),
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LinalgTransformationFilter(Identifier::get("L1__with_perm__", ctx),
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Identifier::get("REG__with_perm__", ctx)));
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patterns.add<LinalgTilingPattern<MatvecOp>>(
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ctx, LinalgTilingOptions().setTileSizes({5, 6}).setInterchange({1, 0}),
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LinalgTransformationFilter(Identifier::get("__with_perm__", ctx),
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Identifier::get("L1__with_perm__", ctx)));
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patterns.add<LinalgTilingPattern<MatmulOp>>(
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ctx,
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LinalgTilingOptions()
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.setTileSizes({16, 8, 4})
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.setInterchange({1, 2, 0})
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.setLoopType(LinalgTilingLoopType::ParallelLoops),
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LinalgTransformationFilter(
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Identifier::get("par__with_perm__", ctx),
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Identifier::get("after_par__with_perm__", ctx)));
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//===--------------------------------------------------------------------===//
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// Linalg to loops patterns.
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//===--------------------------------------------------------------------===//
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patterns.add<LinalgLoweringPattern<DotOp>>(
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ctx,
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/*loweringType=*/LinalgLoweringType::Loops,
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LinalgTransformationFilter(Identifier::get("REG", ctx)));
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//===--------------------------------------------------------------------===//
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// Linalg distribution patterns.
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//===--------------------------------------------------------------------===//
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LinalgLoopDistributionOptions distributionOptions;
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//===--------------------------------------------------------------------===//
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// Linalg to vector contraction patterns.
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//===--------------------------------------------------------------------===//
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patterns.add<LinalgVectorizationPattern>(
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ctx, LinalgTransformationFilter(Identifier::get("VECTORIZE", ctx))
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.addOpFilter<MatmulOp, FillOp, CopyOp, GenericOp>());
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//===--------------------------------------------------------------------===//
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// Linalg generic interchange pattern.
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//===--------------------------------------------------------------------===//
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patterns.add<GenericOpInterchangePattern>(
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ctx,
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/*interchangeVector=*/ArrayRef<unsigned>{1, 2, 0},
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LinalgTransformationFilter(ArrayRef<Identifier>{},
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Identifier::get("PERMUTED", ctx)));
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//===--------------------------------------------------------------------===//
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// Linalg subview operands promotion.
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//===--------------------------------------------------------------------===//
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patterns.add<LinalgPromotionPattern<MatmulOp>>(
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ctx, LinalgPromotionOptions().setUseFullTileBuffersByDefault(true),
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LinalgTransformationFilter(Identifier::get("_promote_views_", ctx),
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Identifier::get("_views_promoted_", ctx)));
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patterns.add<LinalgPromotionPattern<MatmulOp>>(
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ctx,
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LinalgPromotionOptions()
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.setOperandsToPromote({0})
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.setUseFullTileBuffersByDefault(true),
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LinalgTransformationFilter(
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Identifier::get("_promote_first_view_", ctx),
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Identifier::get("_first_view_promoted_", ctx)));
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patterns.add<LinalgPromotionPattern<FillOp>>(
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ctx,
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LinalgPromotionOptions()
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.setOperandsToPromote({1})
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.setUseFullTileBuffers({false, true})
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.setAlignment(32),
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LinalgTransformationFilter(
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Identifier::get("_promote_views_aligned_", ctx),
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Identifier::get("_views_aligned_promoted_", ctx)));
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(void)applyPatternsAndFoldGreedily(funcOp, std::move(patterns));
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// Drop the marker.
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funcOp.walk([](LinalgOp op) {
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op->removeAttr(LinalgTransforms::kLinalgTransformMarker);
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});
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}
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static void fillL1TilingAndMatmulToVectorPatterns(
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FuncOp funcOp, StringRef startMarker,
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SmallVectorImpl<RewritePatternSet> &patternsVector) {
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MLIRContext *ctx = funcOp.getContext();
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patternsVector.emplace_back(
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ctx, std::make_unique<LinalgTilingPattern<MatmulOp>>(
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ctx,
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LinalgTilingOptions()
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.setTileSizes({8, 12, 16})
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.setInterchange({1, 0, 2}),
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LinalgTransformationFilter(Identifier::get(startMarker, ctx),
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Identifier::get("L1", ctx))));
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patternsVector.emplace_back(
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ctx,
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std::make_unique<LinalgPromotionPattern<MatmulOp>>(
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ctx, LinalgPromotionOptions().setUseFullTileBuffersByDefault(true),
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LinalgTransformationFilter(Identifier::get("L1", ctx),
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Identifier::get("VEC", ctx))));
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patternsVector.emplace_back(
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ctx, std::make_unique<LinalgVectorizationPattern>(
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MatmulOp::getOperationName(), ctx, LinalgVectorizationOptions(),
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LinalgTransformationFilter(Identifier::get("VEC", ctx))));
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patternsVector.back().add<LinalgVectorizationPattern>(
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ctx, LinalgTransformationFilter().addFilter(
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[](Operation *op) { return success(isa<FillOp, CopyOp>(op)); }));
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}
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//===----------------------------------------------------------------------===//
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// Test promotion callbacks
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//===----------------------------------------------------------------------===//
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// Allocation call back
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static Optional<Value> allocCallBackFn(OpBuilder &b, memref::SubViewOp subView,
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ArrayRef<Value> boundingSubViewSize,
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DataLayout &layout) {
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SmallVector<int64_t, 4> shape(boundingSubViewSize.size(), -1);
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return b
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.create<memref::AllocOp>(
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subView.getLoc(),
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MemRefType::get(shape, subView.getType().getElementType(),
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/*affineMapComposition =*/{}, 3),
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boundingSubViewSize)
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.getResult();
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}
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// Deallocation callback
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static LogicalResult deallocCallBackFn(OpBuilder &b, Value buffer) {
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b.create<memref::DeallocOp>(buffer.getLoc(), buffer);
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return success();
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}
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// Copy in call back
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static LogicalResult copyCallBackFn(OpBuilder &b, Value src, Value dst,
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bool isOutput) {
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auto floatType = src.getType().cast<MemRefType>().getElementType();
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if (!floatType.isa<FloatType>())
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return failure();
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if (!isOutput) {
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Value cst =
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b.create<ConstantOp>(src.getLoc(), FloatAttr::get(floatType, 42.0));
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b.create<FillOp>(src.getLoc(), cst, dst);
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}
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b.create<CopyOp>(src.getLoc(), src, dst);
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return success();
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}
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static void fillPromotionCallBackPatterns(MLIRContext *ctx,
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RewritePatternSet &patterns) {
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patterns.add<LinalgTilingPattern<MatmulOp>>(
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ctx, LinalgTilingOptions().setTileSizes({16, 16, 16}),
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LinalgTransformationFilter(Identifier::get("START", ctx),
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Identifier::get("PROMOTE", ctx)));
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patterns.add<LinalgPromotionPattern<MatmulOp>>(
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ctx,
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LinalgPromotionOptions()
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.setOperandsToPromote({0, 2})
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.setUseFullTileBuffers({false, false})
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.setAllocationDeallocationFns(allocCallBackFn, deallocCallBackFn)
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.setCopyInOutFns(
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[](OpBuilder &b, Value src, Value dst) -> LogicalResult {
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return copyCallBackFn(b, src, dst, false);
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},
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[](OpBuilder &b, Value src, Value dst) -> LogicalResult {
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return copyCallBackFn(b, src, dst, true);
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}),
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LinalgTransformationFilter(Identifier::get("PROMOTE", ctx)));
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}
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template <typename IdOp, typename NProcsOp>
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static SmallVector<ProcInfo, 2>
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getGpuProcIds(OpBuilder &b, Location loc, ArrayRef<Range> parallelLoopRanges) {
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size_t count = std::min<size_t>(3, parallelLoopRanges.size());
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SmallVector<ProcInfo, 2> procInfo(count);
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const char *xyz[] = {"x", "y", "z"};
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Type indexType = b.getIndexType();
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for (unsigned i = 0; i < count; ++i) {
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procInfo[count - 1 - i] = {
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b.create<IdOp>(loc, indexType, b.getStringAttr(xyz[i])),
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b.create<NProcsOp>(loc, indexType, b.getStringAttr(xyz[i]))};
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}
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return procInfo;
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}
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static void fillTileAndDistributePatterns(MLIRContext *context,
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RewritePatternSet &patterns) {
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{
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LinalgLoopDistributionOptions cyclicNprocsEqNiters;
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cyclicNprocsEqNiters.distributionMethod.resize(
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2, DistributionMethod::CyclicNumProcsEqNumIters);
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cyclicNprocsEqNiters.procInfo =
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getGpuProcIds<gpu::BlockIdOp, gpu::GridDimOp>;
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patterns.add<LinalgTilingPattern<MatmulOp>>(
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context,
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LinalgTilingOptions()
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.setTileSizes({8, 8, 4})
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.setLoopType(LinalgTilingLoopType::ParallelLoops)
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.setDistributionOptions(cyclicNprocsEqNiters),
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LinalgTransformationFilter(
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Identifier::get("distribute1", context),
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Identifier::get("after_distribute1", context)));
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}
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{
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LinalgLoopDistributionOptions cyclicNprocsGeNiters;
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cyclicNprocsGeNiters.distributionMethod.resize(
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2, DistributionMethod::CyclicNumProcsGeNumIters);
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cyclicNprocsGeNiters.procInfo =
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getGpuProcIds<gpu::BlockIdOp, gpu::GridDimOp>;
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patterns.add<LinalgTilingPattern<MatmulOp>>(
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context,
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LinalgTilingOptions()
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.setTileSizes({8, 8, 4})
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.setLoopType(LinalgTilingLoopType::ParallelLoops)
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.setDistributionOptions(cyclicNprocsGeNiters),
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LinalgTransformationFilter(
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Identifier::get("distribute2", context),
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Identifier::get("after_distribute2", context)));
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}
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{
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LinalgLoopDistributionOptions cyclicNprocsDefault;
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cyclicNprocsDefault.distributionMethod.resize(2,
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DistributionMethod::Cyclic);
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cyclicNprocsDefault.procInfo =
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getGpuProcIds<gpu::BlockIdOp, gpu::GridDimOp>;
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patterns.add<LinalgTilingPattern<MatmulOp>>(
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context,
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LinalgTilingOptions()
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.setTileSizes({8, 8, 4})
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.setLoopType(LinalgTilingLoopType::ParallelLoops)
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.setDistributionOptions(cyclicNprocsDefault),
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LinalgTransformationFilter(
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Identifier::get("distribute3", context),
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Identifier::get("after_distribute3", context)));
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}
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{
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LinalgLoopDistributionOptions cyclicNprocsMixed1;
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cyclicNprocsMixed1.distributionMethod = {
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DistributionMethod::CyclicNumProcsEqNumIters,
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DistributionMethod::CyclicNumProcsGeNumIters};
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cyclicNprocsMixed1.procInfo = getGpuProcIds<gpu::BlockIdOp, gpu::GridDimOp>;
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patterns.add<LinalgTilingPattern<MatmulOp>>(
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context,
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LinalgTilingOptions()
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.setTileSizes({8, 8, 4})
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.setLoopType(LinalgTilingLoopType::ParallelLoops)
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.setDistributionOptions(cyclicNprocsMixed1),
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LinalgTransformationFilter(
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Identifier::get("distribute4", context),
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Identifier::get("after_distribute4", context)));
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}
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{
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LinalgLoopDistributionOptions cyclicNprocsMixed2;
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cyclicNprocsMixed2.distributionMethod = {
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DistributionMethod::CyclicNumProcsGeNumIters,
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DistributionMethod::Cyclic};
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cyclicNprocsMixed2.procInfo = getGpuProcIds<gpu::BlockIdOp, gpu::GridDimOp>;
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patterns.add<LinalgTilingPattern<MatmulOp>>(
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context,
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LinalgTilingOptions()
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.setTileSizes({8, 8, 4})
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.setLoopType(LinalgTilingLoopType::ParallelLoops)
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.setDistributionOptions(cyclicNprocsMixed2),
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LinalgTransformationFilter(
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Identifier::get("distribute5", context),
|
|
Identifier::get("after_distribute5", context)));
|
|
}
|
|
|
|
{
|
|
LinalgLoopDistributionOptions cyclicNprocsMixed3;
|
|
cyclicNprocsMixed3.distributionMethod = {
|
|
DistributionMethod::Cyclic,
|
|
DistributionMethod::CyclicNumProcsEqNumIters};
|
|
cyclicNprocsMixed3.procInfo = getGpuProcIds<gpu::BlockIdOp, gpu::GridDimOp>;
|
|
|
|
patterns.add<LinalgTilingPattern<MatmulOp>>(
|
|
context,
|
|
LinalgTilingOptions()
|
|
.setTileSizes({8, 8, 4})
|
|
.setLoopType(LinalgTilingLoopType::ParallelLoops)
|
|
.setDistributionOptions(cyclicNprocsMixed3),
|
|
LinalgTransformationFilter(
|
|
Identifier::get("distribute6", context),
|
|
Identifier::get("after_distribute6", context)));
|
|
}
|
|
|
|
{
|
|
LinalgLoopDistributionOptions cyclicNprocsEqNiters;
|
|
cyclicNprocsEqNiters.distributionMethod.resize(2,
|
|
DistributionMethod::Cyclic);
|
|
cyclicNprocsEqNiters.procInfo =
|
|
getGpuProcIds<gpu::BlockIdOp, gpu::GridDimOp>;
|
|
patterns.add<LinalgTilingPattern<MatmulOp>>(
|
|
context,
|
|
LinalgTilingOptions()
|
|
.setTileSizes({8, 8, 4})
|
|
.setLoopType(LinalgTilingLoopType::Loops)
|
|
.setDistributionOptions(cyclicNprocsEqNiters),
|
|
LinalgTransformationFilter(
|
|
Identifier::get("tensors_distribute1", context),
|
|
Identifier::get("tensors_after_distribute1", context)));
|
|
}
|
|
}
|
|
|
|
static void
|
|
applyMatmulToVectorPatterns(FuncOp funcOp,
|
|
bool testMatmulToVectorPatterns1dTiling,
|
|
bool testMatmulToVectorPatterns2dTiling) {
|
|
MLIRContext *ctx = funcOp.getContext();
|
|
SmallVector<RewritePatternSet, 4> stage1Patterns;
|
|
if (testMatmulToVectorPatterns1dTiling) {
|
|
fillL1TilingAndMatmulToVectorPatterns(funcOp, Identifier::get("START", ctx),
|
|
stage1Patterns);
|
|
} else if (testMatmulToVectorPatterns2dTiling) {
|
|
stage1Patterns.emplace_back(
|
|
ctx, std::make_unique<LinalgTilingPattern<MatmulOp>>(
|
|
ctx,
|
|
LinalgTilingOptions()
|
|
.setTileSizes({768, 264, 768})
|
|
.setInterchange({1, 2, 0}),
|
|
LinalgTransformationFilter(Identifier::get("START", ctx),
|
|
Identifier::get("L2", ctx))));
|
|
fillL1TilingAndMatmulToVectorPatterns(funcOp, Identifier::get("L2", ctx),
|
|
stage1Patterns);
|
|
}
|
|
SmallVector<FrozenRewritePatternSet, 4> frozenStage1Patterns;
|
|
llvm::move(stage1Patterns, std::back_inserter(frozenStage1Patterns));
|
|
FrozenRewritePatternSet stage2Patterns =
|
|
getLinalgTilingCanonicalizationPatterns(ctx);
|
|
(void)applyStagedPatterns(funcOp, frozenStage1Patterns,
|
|
std::move(stage2Patterns));
|
|
}
|
|
|
|
static void applyVectorTransferForwardingPatterns(FuncOp funcOp) {
|
|
RewritePatternSet forwardPattern(funcOp.getContext());
|
|
forwardPattern.add<LinalgCopyVTRForwardingPattern>(funcOp.getContext());
|
|
forwardPattern.add<LinalgCopyVTWForwardingPattern>(funcOp.getContext());
|
|
(void)applyPatternsAndFoldGreedily(funcOp, std::move(forwardPattern));
|
|
}
|
|
|
|
static void applyLinalgToVectorPatterns(FuncOp funcOp) {
|
|
RewritePatternSet patterns(funcOp.getContext());
|
|
patterns.add<LinalgVectorizationPattern>(
|
|
funcOp.getContext(),
|
|
LinalgTransformationFilter()
|
|
.addOpFilter<ContractionOpInterface, FillOp, CopyOp, GenericOp>());
|
|
populatePadTensorOpVectorizationPatterns(patterns);
|
|
(void)applyPatternsAndFoldGreedily(funcOp, std::move(patterns));
|
|
}
|
|
|
|
static void applyPadTensorToGenericPatterns(FuncOp funcOp) {
|
|
RewritePatternSet patterns(funcOp.getContext());
|
|
patterns.add<PadTensorOpTransformationPattern>(funcOp.getContext());
|
|
(void)applyPatternsAndFoldGreedily(funcOp, std::move(patterns));
|
|
}
|
|
|
|
static void applyGeneralizePadTensorPatterns(FuncOp funcOp) {
|
|
RewritePatternSet patterns(funcOp.getContext());
|
|
patterns.add<GeneralizePadTensorOpPattern>(funcOp.getContext());
|
|
(void)applyPatternsAndFoldGreedily(funcOp, std::move(patterns));
|
|
}
|
|
|
|
static void applyExtractSliceOfPadTensorSwapPattern(FuncOp funcOp) {
|
|
RewritePatternSet patterns(funcOp.getContext());
|
|
patterns.add<ExtractSliceOfPadTensorSwapPattern>(funcOp.getContext());
|
|
(void)applyPatternsAndFoldGreedily(funcOp, std::move(patterns));
|
|
}
|
|
|
|
// For now, just assume it is the zero of type.
|
|
// In the future, it should be the zero of type + op.
|
|
static Value getNeutralOfLinalgOp(OpBuilder &b, OpOperand &op) {
|
|
auto t = getElementTypeOrSelf(op.get());
|
|
return b.create<ConstantOp>(op.getOwner()->getLoc(), t, b.getZeroAttr(t));
|
|
}
|
|
|
|
static void applyTileAndPadPattern(FuncOp funcOp, ArrayRef<int64_t> tileSizes) {
|
|
MLIRContext *context = funcOp.getContext();
|
|
RewritePatternSet tilingPattern(context);
|
|
auto linalgTilingOptions =
|
|
linalg::LinalgTilingOptions()
|
|
.setTileSizes(tileSizes)
|
|
.setPaddingValueComputationFunction(getNeutralOfLinalgOp);
|
|
tilingPattern.add<linalg::LinalgTilingPattern<linalg::MatmulI8I8I32Op>,
|
|
linalg::LinalgTilingPattern<linalg::GenericOp>>(
|
|
context, linalgTilingOptions,
|
|
linalg::LinalgTransformationFilter(
|
|
Identifier::get("tile-and-pad", context)));
|
|
(void)applyPatternsAndFoldGreedily(funcOp, std::move(tilingPattern));
|
|
}
|
|
|
|
static void applyInterchangePattern(FuncOp funcOp,
|
|
ArrayRef<unsigned> interchangeVector) {
|
|
MLIRContext *context = funcOp.getContext();
|
|
RewritePatternSet interchangePattern(context);
|
|
interchangePattern.add<GenericOpInterchangePattern>(
|
|
context, interchangeVector,
|
|
LinalgTransformationFilter(ArrayRef<Identifier>{},
|
|
Identifier::get("interchange", context)));
|
|
(void)applyPatternsAndFoldGreedily(funcOp, std::move(interchangePattern));
|
|
}
|
|
|
|
/// Apply transformations specified as patterns.
|
|
void TestLinalgTransforms::runOnFunction() {
|
|
auto lambda = [&](void *) {
|
|
getFunction().walk([](LinalgOp op) {
|
|
op->removeAttr(LinalgTransforms::kLinalgTransformMarker);
|
|
});
|
|
};
|
|
std::unique_ptr<void, decltype(lambda)> cleanupGuard{(void *)1, lambda};
|
|
|
|
if (testPromotionOptions) {
|
|
RewritePatternSet patterns(&getContext());
|
|
fillPromotionCallBackPatterns(&getContext(), patterns);
|
|
(void)applyPatternsAndFoldGreedily(getFunction(), std::move(patterns));
|
|
return;
|
|
}
|
|
if (testTileAndDistributionOptions) {
|
|
RewritePatternSet patterns(&getContext());
|
|
fillTileAndDistributePatterns(&getContext(), patterns);
|
|
(void)applyPatternsAndFoldGreedily(getFunction(), std::move(patterns));
|
|
return;
|
|
}
|
|
if (testPatterns)
|
|
return applyPatterns(getFunction());
|
|
if (testMatmulToVectorPatterns1dTiling || testMatmulToVectorPatterns2dTiling)
|
|
return applyMatmulToVectorPatterns(getFunction(),
|
|
testMatmulToVectorPatterns1dTiling,
|
|
testMatmulToVectorPatterns2dTiling);
|
|
if (testVectorTransferForwardingPatterns)
|
|
return applyVectorTransferForwardingPatterns(getFunction());
|
|
if (testGenericToVectorPattern)
|
|
return applyLinalgToVectorPatterns(getFunction());
|
|
if (testTransformPadTensor)
|
|
return applyPadTensorToGenericPatterns(getFunction());
|
|
if (testGeneralizePadTensor)
|
|
return applyGeneralizePadTensorPatterns(getFunction());
|
|
if (testSwapSubTensorPadTensor)
|
|
return applyExtractSliceOfPadTensorSwapPattern(getFunction());
|
|
if (testTileAndPadPattern)
|
|
return applyTileAndPadPattern(getFunction(), tileSizesForPadding);
|
|
if (testHoistPadding) {
|
|
getFunction().walk([&](linalg::PadTensorOp padTensorOp) {
|
|
(void)linalg::hoistPaddingOnTensors(padTensorOp, testHoistPadding);
|
|
});
|
|
}
|
|
if (testInterchangePattern.hasValue())
|
|
return applyInterchangePattern(getFunction(), testInterchangePattern);
|
|
}
|
|
|
|
namespace mlir {
|
|
namespace test {
|
|
void registerTestLinalgTransforms() {
|
|
PassRegistration<TestLinalgTransforms>();
|
|
}
|
|
} // namespace test
|
|
} // namespace mlir
|