llvm-project/mlir/lib/IR/SDBMExprDetail.h

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//===- SDBMExprDetail.h - MLIR SDBM Expression storage details --*- C++ -*-===//
//
// Copyright 2019 The MLIR Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// =============================================================================
//
// This holds implementation details of SDBMExpr, in particular underlying
// storage types. MLIRContext.cpp needs to know the storage layout for
// allocation and unique'ing purposes.
//
//===----------------------------------------------------------------------===//
#ifndef MLIR_IR_SDBMEXPRDETAIL_H
#define MLIR_IR_SDBMEXPRDETAIL_H
#include "mlir/IR/MLIRContext.h"
#include "mlir/IR/SDBMExpr.h"
#include "llvm/ADT/PointerIntPair.h"
namespace mlir {
namespace detail {
struct SDBMExprStorage {
SDBMExprStorage(SDBMExprKind kind, MLIRContext *context)
: contextAndKind(context, kind) {}
SDBMExprKind getKind() { return contextAndKind.getInt(); }
MLIRContext *getContext() { return contextAndKind.getPointer(); }
// This needs to know the layout of MLIRContext so the relevant file is
// included.
llvm::PointerIntPair<MLIRContext *, 3, SDBMExprKind> contextAndKind;
};
struct SDBMBinaryExprStorage : public SDBMExprStorage {
SDBMBinaryExprStorage(SDBMExprKind kind, MLIRContext *context,
SDBMVaryingExpr left, SDBMConstantExpr right)
: SDBMExprStorage(kind, context), lhs(left), rhs(right) {}
SDBMVaryingExpr lhs;
SDBMConstantExpr rhs;
};
struct SDBMDiffExprStorage : public SDBMExprStorage {
SDBMDiffExprStorage(MLIRContext *context, SDBMPositiveExpr left,
SDBMPositiveExpr right)
: SDBMExprStorage(SDBMExprKind::Diff, context), lhs(left), rhs(right) {}
SDBMPositiveExpr lhs;
SDBMPositiveExpr rhs;
};
struct SDBMConstantExprStorage : public SDBMExprStorage {
SDBMConstantExprStorage(MLIRContext *context, int64_t value)
: SDBMExprStorage(SDBMExprKind::Constant, context), constant(value) {}
int64_t constant;
};
struct SDBMPositiveExprStorage : public SDBMExprStorage {
SDBMPositiveExprStorage(SDBMExprKind kind, MLIRContext *context, unsigned pos)
: SDBMExprStorage(kind, context), position(pos) {}
unsigned position;
};
struct SDBMNegExprStorage : public SDBMExprStorage {
SDBMNegExprStorage(SDBMPositiveExpr expr)
: SDBMExprStorage(SDBMExprKind::Neg, expr.getContext()), dim(expr) {}
SDBMPositiveExpr dim;
};
} // end namespace detail
} // end namespace mlir
#endif // MLIR_IR_SDBMEXPRDETAIL_H