1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
//===- TosaToLinalgPass.cpp - Lowering Tosa to Linalg Dialect -------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This transformation pass legalizes Tosa operations to the Linalg dialect.
//
//===----------------------------------------------------------------------===//
#include "mlir/Conversion/TosaToLinalg/TosaToLinalg.h"
#include "mlir/Dialect/Arith/IR/Arith.h"
#include "mlir/Dialect/Func/IR/FuncOps.h"
#include "mlir/Dialect/Linalg/IR/Linalg.h"
#include "mlir/Dialect/Math/IR/Math.h"
#include "mlir/Dialect/SCF/IR/SCF.h"
#include "mlir/Dialect/Tensor/IR/Tensor.h"
#include "mlir/Dialect/Tosa/IR/TosaOps.h"
#include "mlir/Dialect/Tosa/Transforms/Passes.h"
#include "mlir/Dialect/Tosa/Utils/QuantUtils.h"
#include "mlir/IR/PatternMatch.h"
#include "mlir/Pass/PassManager.h"
#include "mlir/Transforms/DialectConversion.h"
#include "mlir/Transforms/GreedyPatternRewriteDriver.h"
#include "mlir/Transforms/Passes.h"
namespace mlir {
#define GEN_PASS_DEF_TOSATOLINALG
#include "mlir/Conversion/Passes.h.inc"
} // namespace mlir
using namespace mlir;
namespace {
struct TosaToLinalg : public impl::TosaToLinalgBase<TosaToLinalg> {
public:
void getDependentDialects(DialectRegistry ®istry) const override {
registry
.insert<arith::ArithDialect, linalg::LinalgDialect, math::MathDialect,
tensor::TensorDialect, scf::SCFDialect>();
}
void runOnOperation() override {
RewritePatternSet patterns(&getContext());
ConversionTarget target(getContext());
target.addLegalDialect<linalg::LinalgDialect, tensor::TensorDialect,
scf::SCFDialect>();
target.addIllegalDialect<tosa::TosaDialect>();
// Not every TOSA op can be legalized to linalg.
target.addLegalOp<tosa::ApplyScaleOp>();
target.addLegalOp<tosa::IfOp>();
target.addLegalOp<tosa::ConstOp>();
target.addLegalOp<tosa::WhileOp>();
target.addLegalOp<tosa::ConcatOp>();
target.addLegalOp<tosa::SliceOp>();
target.addLegalOp<tosa::ReshapeOp>();
target.addLegalOp<tosa::PadOp>();
target.markUnknownOpDynamicallyLegal([](Operation *) { return true; });
FunctionOpInterface func = getOperation();
mlir::tosa::populateTosaToLinalgConversionPatterns(&patterns);
if (failed(applyFullConversion(func, target, std::move(patterns))))
signalPassFailure();
}
};
} // namespace
std::unique_ptr<Pass> mlir::tosa::createTosaToLinalg() {
return std::make_unique<TosaToLinalg>();
}
void mlir::tosa::addTosaToLinalgPasses(OpPassManager &pm,
bool disableTosaDecompositions) {
// Optional decompositions are designed to benefit linalg.
if (!disableTosaDecompositions)
pm.addNestedPass<func::FuncOp>(tosa::createTosaOptionalDecompositions());
pm.addNestedPass<func::FuncOp>(createCanonicalizerPass());
pm.addNestedPass<func::FuncOp>(tosa::createTosaInferShapesPass());
pm.addNestedPass<func::FuncOp>(tosa::createTosaMakeBroadcastablePass());
pm.addNestedPass<func::FuncOp>(tosa::createTosaToLinalgNamed());
pm.addNestedPass<func::FuncOp>(createCanonicalizerPass());
// TODO: Remove pass that operates on const tensor and enable optionality
pm.addNestedPass<func::FuncOp>(tosa::createTosaLayerwiseConstantFoldPass());
pm.addNestedPass<func::FuncOp>(tosa::createTosaMakeBroadcastablePass());
pm.addNestedPass<func::FuncOp>(tosa::createTosaValidationPass());
pm.addNestedPass<func::FuncOp>(tosa::createTosaToLinalg());
}
|
