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