forked from OSchip/llvm-project
42 lines
1.7 KiB
C++
42 lines
1.7 KiB
C++
//===-- VPlanVerifier.h -----------------------------------------*- 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
///
|
|
/// \file
|
|
/// This file declares the class VPlanVerifier, which contains utility functions
|
|
/// to check the consistency of a VPlan. This includes the following kinds of
|
|
/// invariants:
|
|
///
|
|
/// 1. Region/Block invariants:
|
|
/// - Region's entry/exit block must have no predecessors/successors,
|
|
/// respectively.
|
|
/// - Block's parent must be the region immediately containing the block.
|
|
/// - Linked blocks must have a bi-directional link (successor/predecessor).
|
|
/// - All predecessors/successors of a block must belong to the same region.
|
|
/// - Blocks must have no duplicated successor/predecessor.
|
|
///
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_TRANSFORMS_VECTORIZE_VPLANVERIFIER_H
|
|
#define LLVM_TRANSFORMS_VECTORIZE_VPLANVERIFIER_H
|
|
|
|
namespace llvm {
|
|
class VPRegionBlock;
|
|
|
|
/// Struct with utility functions that can be used to check the consistency and
|
|
/// invariants of a VPlan, including the components of its H-CFG.
|
|
struct VPlanVerifier {
|
|
/// Verify the invariants of the H-CFG starting from \p TopRegion. The
|
|
/// verification process comprises the following steps:
|
|
/// 1. Region/Block verification: Check the Region/Block verification
|
|
/// invariants for every region in the H-CFG.
|
|
void verifyHierarchicalCFG(const VPRegionBlock *TopRegion) const;
|
|
};
|
|
} // namespace llvm
|
|
|
|
#endif //LLVM_TRANSFORMS_VECTORIZE_VPLANVERIFIER_H
|