forked from OSchip/llvm-project
98 lines
3.1 KiB
C++
98 lines
3.1 KiB
C++
//===- AffineExprDetail.h - MLIR Affine Expr storage details ----*- C++ -*-===//
|
|
//
|
|
// 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 holds implementation details of AffineExpr. Ideally it would not be
|
|
// exposed and would be kept local to AffineExpr.cpp however, MLIRContext.cpp
|
|
// needs to know the sizes for placement-new style Allocation.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
#ifndef MLIR_IR_AFFINEEXPRDETAIL_H_
|
|
#define MLIR_IR_AFFINEEXPRDETAIL_H_
|
|
|
|
#include "mlir/IR/AffineExpr.h"
|
|
#include "mlir/IR/MLIRContext.h"
|
|
#include "mlir/Support/StorageUniquer.h"
|
|
|
|
namespace mlir {
|
|
|
|
class MLIRContext;
|
|
|
|
namespace detail {
|
|
|
|
/// Base storage class appearing in an affine expression.
|
|
struct AffineExprStorage : public StorageUniquer::BaseStorage {
|
|
MLIRContext *context;
|
|
AffineExprKind kind;
|
|
};
|
|
|
|
/// A binary operation appearing in an affine expression.
|
|
struct AffineBinaryOpExprStorage : public AffineExprStorage {
|
|
using KeyTy = std::tuple<unsigned, AffineExpr, AffineExpr>;
|
|
|
|
bool operator==(const KeyTy &key) const {
|
|
return static_cast<AffineExprKind>(std::get<0>(key)) == kind &&
|
|
std::get<1>(key) == lhs && std::get<2>(key) == rhs;
|
|
}
|
|
|
|
static AffineBinaryOpExprStorage *
|
|
construct(StorageUniquer::StorageAllocator &allocator, const KeyTy &key) {
|
|
auto *result = allocator.allocate<AffineBinaryOpExprStorage>();
|
|
result->kind = static_cast<AffineExprKind>(std::get<0>(key));
|
|
result->lhs = std::get<1>(key);
|
|
result->rhs = std::get<2>(key);
|
|
result->context = result->lhs.getContext();
|
|
return result;
|
|
}
|
|
|
|
AffineExpr lhs;
|
|
AffineExpr rhs;
|
|
};
|
|
|
|
/// A dimensional or symbolic identifier appearing in an affine expression.
|
|
struct AffineDimExprStorage : public AffineExprStorage {
|
|
using KeyTy = std::pair<unsigned, unsigned>;
|
|
|
|
bool operator==(const KeyTy &key) const {
|
|
return kind == static_cast<AffineExprKind>(key.first) &&
|
|
position == key.second;
|
|
}
|
|
|
|
static AffineDimExprStorage *
|
|
construct(StorageUniquer::StorageAllocator &allocator, const KeyTy &key) {
|
|
auto *result = allocator.allocate<AffineDimExprStorage>();
|
|
result->kind = static_cast<AffineExprKind>(key.first);
|
|
result->position = key.second;
|
|
return result;
|
|
}
|
|
|
|
/// Position of this identifier in the argument list.
|
|
unsigned position;
|
|
};
|
|
|
|
/// An integer constant appearing in affine expression.
|
|
struct AffineConstantExprStorage : public AffineExprStorage {
|
|
using KeyTy = int64_t;
|
|
|
|
bool operator==(const KeyTy &key) const { return constant == key; }
|
|
|
|
static AffineConstantExprStorage *
|
|
construct(StorageUniquer::StorageAllocator &allocator, const KeyTy &key) {
|
|
auto *result = allocator.allocate<AffineConstantExprStorage>();
|
|
result->kind = AffineExprKind::Constant;
|
|
result->constant = key;
|
|
return result;
|
|
}
|
|
|
|
// The constant.
|
|
int64_t constant;
|
|
};
|
|
|
|
} // namespace detail
|
|
} // namespace mlir
|
|
#endif // MLIR_IR_AFFINEEXPRDETAIL_H_
|