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
41