1//===- ArithDialect.cpp - MLIR Arith dialect implementation -----===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "mlir/Conversion/ConvertToLLVM/ToLLVMInterface.h"
10#include "mlir/Dialect/Arith/IR/Arith.h"
11#include "mlir/Dialect/Bufferization/IR/BufferDeallocationOpInterface.h"
12#include "mlir/Dialect/Bufferization/IR/BufferizableOpInterface.h"
13#include "mlir/Dialect/UB/IR/UBOps.h"
14#include "mlir/IR/Builders.h"
15#include "mlir/IR/DialectImplementation.h"
16#include "mlir/Interfaces/ValueBoundsOpInterface.h"
17#include "mlir/Transforms/InliningUtils.h"
18#include "llvm/ADT/TypeSwitch.h"
19
20using namespace mlir;
21using namespace mlir::arith;
22
23#include "mlir/Dialect/Arith/IR/ArithOpsDialect.cpp.inc"
24#include "mlir/Dialect/Arith/IR/ArithOpsInterfaces.cpp.inc"
25#define GET_ATTRDEF_CLASSES
26#include "mlir/Dialect/Arith/IR/ArithOpsAttributes.cpp.inc"
27
28namespace {
29/// This class defines the interface for handling inlining for arithmetic
30/// dialect operations.
31struct ArithInlinerInterface : public DialectInlinerInterface {
32 using DialectInlinerInterface::DialectInlinerInterface;
33
34 /// All arithmetic dialect ops can be inlined.
35 bool isLegalToInline(Operation *, Region *, bool, IRMapping &) const final {
36 return true;
37 }
38};
39} // namespace
40
41void arith::ArithDialect::initialize() {
42 addOperations<
43#define GET_OP_LIST
44#include "mlir/Dialect/Arith/IR/ArithOps.cpp.inc"
45 >();
46 addAttributes<
47#define GET_ATTRDEF_LIST
48#include "mlir/Dialect/Arith/IR/ArithOpsAttributes.cpp.inc"
49 >();
50 addInterfaces<ArithInlinerInterface>();
51 declarePromisedInterface<ConvertToLLVMPatternInterface, ArithDialect>();
52 declarePromisedInterface<bufferization::BufferDeallocationOpInterface,
53 SelectOp>();
54 declarePromisedInterfaces<bufferization::BufferizableOpInterface, ConstantOp,
55 IndexCastOp, SelectOp>();
56 declarePromisedInterfaces<ValueBoundsOpInterface, AddIOp, ConstantOp, SubIOp,
57 MulIOp>();
58}
59
60/// Materialize an integer or floating point constant.
61Operation *arith::ArithDialect::materializeConstant(OpBuilder &builder,
62 Attribute value, Type type,
63 Location loc) {
64 if (auto poison = dyn_cast<ub::PoisonAttr>(value))
65 return builder.create<ub::PoisonOp>(loc, type, poison);
66
67 return ConstantOp::materialize(builder, value, type, loc);
68}
69

source code of mlir/lib/Dialect/Arith/IR/ArithDialect.cpp