forked from OSchip/llvm-project
45 lines
1.7 KiB
C++
45 lines
1.7 KiB
C++
//===-- VPlanVerifier.h -----------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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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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#include "VPlan.h"
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namespace llvm {
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/// Class 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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class VPlanVerifier {
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public:
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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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