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The patch introduces dominator analysis for VPBlockBases and extend VPlan's GraphTraits specialization with the required interfaces. Dominator analysis will be necessary to perform some H-CFG transformations and to introduce VPLoopInfo (LoopInfo analysis on top of the VPlan representation). Reviewers: fhahn, rengolin, mkuper, hfinkel, mssimpso Reviewed By: fhahn Differential Revision: https://reviews.llvm.org/D48815 llvm-svn: 338310
42 lines
1.4 KiB
C++
42 lines
1.4 KiB
C++
//===-- VPlanDominatorTree.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 implements dominator tree analysis for a single level of a VPlan's
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/// H-CFG.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_VECTORIZE_VPLANDOMINATORTREE_H
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#define LLVM_TRANSFORMS_VECTORIZE_VPLANDOMINATORTREE_H
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#include "VPlan.h"
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#include "llvm/ADT/GraphTraits.h"
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#include "llvm/IR/Dominators.h"
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namespace llvm {
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/// Template specialization of the standard LLVM dominator tree utility for
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/// VPBlockBases.
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using VPDominatorTree = DomTreeBase<VPBlockBase>;
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using VPDomTreeNode = DomTreeNodeBase<VPBlockBase>;
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/// Template specializations of GraphTraits for VPDomTreeNode.
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template <>
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struct GraphTraits<VPDomTreeNode *>
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: public DomTreeGraphTraitsBase<VPDomTreeNode, VPDomTreeNode::iterator> {};
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template <>
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struct GraphTraits<const VPDomTreeNode *>
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: public DomTreeGraphTraitsBase<const VPDomTreeNode,
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VPDomTreeNode::const_iterator> {};
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} // namespace llvm
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#endif // LLVM_TRANSFORMS_VECTORIZE_VPLANDOMINATORTREE_H
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