138 lines
4.0 KiB
C++
138 lines
4.0 KiB
C++
//===- SDBMExprDetail.h - MLIR SDBM Expression storage details --*- C++ -*-===//
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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 holds implementation details of SDBMExpr, in particular underlying
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// storage types.
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//
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//===----------------------------------------------------------------------===//
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#ifndef MLIR_IR_SDBMEXPRDETAIL_H
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#define MLIR_IR_SDBMEXPRDETAIL_H
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#include "mlir/Dialect/SDBM/SDBMExpr.h"
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#include "mlir/Support/StorageUniquer.h"
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namespace mlir {
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class SDBMDialect;
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namespace detail {
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// Base storage class for SDBMExpr.
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struct SDBMExprStorage : public StorageUniquer::BaseStorage {
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SDBMExprKind getKind() { return kind; }
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SDBMDialect *dialect;
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SDBMExprKind kind;
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};
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// Storage class for SDBM sum and stripe expressions.
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struct SDBMBinaryExprStorage : public SDBMExprStorage {
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using KeyTy = std::tuple<unsigned, SDBMDirectExpr, SDBMConstantExpr>;
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bool operator==(const KeyTy &key) const {
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return static_cast<SDBMExprKind>(std::get<0>(key)) == kind &&
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std::get<1>(key) == lhs && std::get<2>(key) == rhs;
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}
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static SDBMBinaryExprStorage *
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construct(StorageUniquer::StorageAllocator &allocator, const KeyTy &key) {
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auto *result = allocator.allocate<SDBMBinaryExprStorage>();
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result->lhs = std::get<1>(key);
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result->rhs = std::get<2>(key);
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result->dialect = result->lhs.getDialect();
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result->kind = static_cast<SDBMExprKind>(std::get<0>(key));
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return result;
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}
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SDBMDirectExpr lhs;
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SDBMConstantExpr rhs;
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};
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// Storage class for SDBM difference expressions.
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struct SDBMDiffExprStorage : public SDBMExprStorage {
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using KeyTy = std::pair<SDBMDirectExpr, SDBMTermExpr>;
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bool operator==(const KeyTy &key) const {
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return std::get<0>(key) == lhs && std::get<1>(key) == rhs;
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}
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static SDBMDiffExprStorage *
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construct(StorageUniquer::StorageAllocator &allocator, const KeyTy &key) {
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auto *result = allocator.allocate<SDBMDiffExprStorage>();
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result->lhs = std::get<0>(key);
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result->rhs = std::get<1>(key);
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result->dialect = result->lhs.getDialect();
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result->kind = SDBMExprKind::Diff;
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return result;
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}
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SDBMDirectExpr lhs;
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SDBMTermExpr rhs;
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};
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// Storage class for SDBM constant expressions.
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struct SDBMConstantExprStorage : public SDBMExprStorage {
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using KeyTy = int64_t;
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bool operator==(const KeyTy &key) const { return constant == key; }
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static SDBMConstantExprStorage *
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construct(StorageUniquer::StorageAllocator &allocator, const KeyTy &key) {
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auto *result = allocator.allocate<SDBMConstantExprStorage>();
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result->constant = key;
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result->kind = SDBMExprKind::Constant;
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return result;
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}
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int64_t constant;
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};
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// Storage class for SDBM dimension and symbol expressions.
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struct SDBMTermExprStorage : public SDBMExprStorage {
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using KeyTy = std::pair<unsigned, unsigned>;
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bool operator==(const KeyTy &key) const {
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return kind == static_cast<SDBMExprKind>(key.first) &&
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position == key.second;
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}
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static SDBMTermExprStorage *
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construct(StorageUniquer::StorageAllocator &allocator, const KeyTy &key) {
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auto *result = allocator.allocate<SDBMTermExprStorage>();
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result->kind = static_cast<SDBMExprKind>(key.first);
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result->position = key.second;
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return result;
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}
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unsigned position;
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};
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// Storage class for SDBM negation expressions.
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struct SDBMNegExprStorage : public SDBMExprStorage {
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using KeyTy = SDBMDirectExpr;
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bool operator==(const KeyTy &key) const { return key == expr; }
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static SDBMNegExprStorage *
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construct(StorageUniquer::StorageAllocator &allocator, const KeyTy &key) {
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auto *result = allocator.allocate<SDBMNegExprStorage>();
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result->expr = key;
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result->dialect = key.getDialect();
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result->kind = SDBMExprKind::Neg;
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return result;
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}
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SDBMDirectExpr expr;
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};
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} // end namespace detail
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} // end namespace mlir
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#endif // MLIR_IR_SDBMEXPRDETAIL_H
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