lib/Transforms/Vectorize/VPlanDominatorTree.h

   1 //===-- VPlanDominatorTree.h ------------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 ///
   9 /// \file
  10 /// This file implements dominator tree analysis for a single level of a VPlan's
  11 /// H-CFG.
  12 ///
  13 //===----------------------------------------------------------------------===//
  14
  15 #ifndef LLVM_TRANSFORMS_VECTORIZE_VPLANDOMINATORTREE_H
  16 #define LLVM_TRANSFORMS_VECTORIZE_VPLANDOMINATORTREE_H
  17
  18 #include "VPlan.h"
  19 #include "llvm/ADT/GraphTraits.h"
  20 #include "llvm/IR/Dominators.h"
  21
  22 namespace llvm {
  23
  24 /// Template specialization of the standard LLVM dominator tree utility for
  25 /// VPBlockBases.
  26 using VPDominatorTree = DomTreeBase<VPBlockBase>;
  27
  28 using VPDomTreeNode = DomTreeNodeBase<VPBlockBase>;
  29
  30 /// Template specializations of GraphTraits for VPDomTreeNode.
  31 template <>
  32 struct GraphTraits<VPDomTreeNode *>
  33     : public DomTreeGraphTraitsBase<VPDomTreeNode, VPDomTreeNode::iterator> {};
  34
  35 template <>
  36 struct GraphTraits<const VPDomTreeNode *>
  37     : public DomTreeGraphTraitsBase<const VPDomTreeNode,
  38                                     VPDomTreeNode::const_iterator> {};
  39 } // namespace llvm
  40 #endif // LLVM_TRANSFORMS_VECTORIZE_VPLANDOMINATORTREE_H