Files
clang-p2996/mlir/lib/IR/RegionKindInterface.cpp
Matthias Springer b884f4ef0a [mlir][IR] Add ForwardDominanceIterator for IR walkers
This iterator is similar to `ForwardIterator` but enumerates blocks according to their successor relationship. As a first use case, this new iterator is utilized in the dialect conversion framework.

Differential Revision: https://reviews.llvm.org/D144888
2023-03-13 09:58:34 +01:00

27 lines
924 B
C++

//===- RegionKindInterface.cpp - Region Kind Interfaces ---------*- 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 file contains the definitions of the region kind interfaces defined in
// `RegionKindInterface.td`.
//
//===----------------------------------------------------------------------===//
#include "mlir/IR/RegionKindInterface.h"
using namespace mlir;
#include "mlir/IR/RegionKindInterface.cpp.inc"
bool mlir::mayHaveSSADominance(Region &region) {
auto regionKindOp =
dyn_cast_if_present<RegionKindInterface>(region.getParentOp());
if (!regionKindOp)
return true;
return regionKindOp.hasSSADominance(region.getRegionNumber());
}