Andrew Scull | 5e1ddfa | 2018-08-14 10:06:54 +0100 | [diff] [blame] | 1 | //===- llvm/CodeGen/MachineDominanceFrontier.h ------------------*- C++ -*-===// |
| 2 | // |
Andrew Walbran | 16937d0 | 2019-10-22 13:54:20 +0100 | [diff] [blame] | 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 |
Andrew Scull | 5e1ddfa | 2018-08-14 10:06:54 +0100 | [diff] [blame] | 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #ifndef LLVM_CODEGEN_MACHINEDOMINANCEFRONTIER_H |
| 10 | #define LLVM_CODEGEN_MACHINEDOMINANCEFRONTIER_H |
| 11 | |
| 12 | #include "llvm/Analysis/DominanceFrontier.h" |
| 13 | #include "llvm/Analysis/DominanceFrontierImpl.h" |
| 14 | #include "llvm/CodeGen/MachineBasicBlock.h" |
| 15 | #include "llvm/CodeGen/MachineFunctionPass.h" |
| 16 | #include "llvm/Support/GenericDomTree.h" |
| 17 | #include <vector> |
| 18 | |
| 19 | namespace llvm { |
| 20 | |
| 21 | class MachineDominanceFrontier : public MachineFunctionPass { |
| 22 | ForwardDominanceFrontierBase<MachineBasicBlock> Base; |
| 23 | |
| 24 | public: |
| 25 | using DomTreeT = DomTreeBase<MachineBasicBlock>; |
| 26 | using DomTreeNodeT = DomTreeNodeBase<MachineBasicBlock>; |
| 27 | using DomSetType = DominanceFrontierBase<MachineBasicBlock, false>::DomSetType; |
| 28 | using iterator = DominanceFrontierBase<MachineBasicBlock, false>::iterator; |
| 29 | using const_iterator = |
| 30 | DominanceFrontierBase<MachineBasicBlock, false>::const_iterator; |
| 31 | |
| 32 | MachineDominanceFrontier(const MachineDominanceFrontier &) = delete; |
| 33 | MachineDominanceFrontier &operator=(const MachineDominanceFrontier &) = delete; |
| 34 | |
| 35 | static char ID; |
| 36 | |
| 37 | MachineDominanceFrontier(); |
| 38 | |
Andrew Scull | cdfcccc | 2018-10-05 20:58:37 +0100 | [diff] [blame] | 39 | ForwardDominanceFrontierBase<MachineBasicBlock> &getBase() { return Base; } |
Andrew Scull | 5e1ddfa | 2018-08-14 10:06:54 +0100 | [diff] [blame] | 40 | |
Andrew Scull | cdfcccc | 2018-10-05 20:58:37 +0100 | [diff] [blame] | 41 | const SmallVectorImpl<MachineBasicBlock *> &getRoots() const { |
Andrew Scull | 5e1ddfa | 2018-08-14 10:06:54 +0100 | [diff] [blame] | 42 | return Base.getRoots(); |
| 43 | } |
| 44 | |
| 45 | MachineBasicBlock *getRoot() const { |
| 46 | return Base.getRoot(); |
| 47 | } |
| 48 | |
| 49 | bool isPostDominator() const { |
| 50 | return Base.isPostDominator(); |
| 51 | } |
| 52 | |
| 53 | iterator begin() { |
| 54 | return Base.begin(); |
| 55 | } |
| 56 | |
| 57 | const_iterator begin() const { |
| 58 | return Base.begin(); |
| 59 | } |
| 60 | |
| 61 | iterator end() { |
| 62 | return Base.end(); |
| 63 | } |
| 64 | |
| 65 | const_iterator end() const { |
| 66 | return Base.end(); |
| 67 | } |
| 68 | |
| 69 | iterator find(MachineBasicBlock *B) { |
| 70 | return Base.find(B); |
| 71 | } |
| 72 | |
| 73 | const_iterator find(MachineBasicBlock *B) const { |
| 74 | return Base.find(B); |
| 75 | } |
| 76 | |
| 77 | iterator addBasicBlock(MachineBasicBlock *BB, const DomSetType &frontier) { |
| 78 | return Base.addBasicBlock(BB, frontier); |
| 79 | } |
| 80 | |
| 81 | void removeBlock(MachineBasicBlock *BB) { |
| 82 | return Base.removeBlock(BB); |
| 83 | } |
| 84 | |
| 85 | void addToFrontier(iterator I, MachineBasicBlock *Node) { |
| 86 | return Base.addToFrontier(I, Node); |
| 87 | } |
| 88 | |
| 89 | void removeFromFrontier(iterator I, MachineBasicBlock *Node) { |
| 90 | return Base.removeFromFrontier(I, Node); |
| 91 | } |
| 92 | |
| 93 | bool compareDomSet(DomSetType &DS1, const DomSetType &DS2) const { |
| 94 | return Base.compareDomSet(DS1, DS2); |
| 95 | } |
| 96 | |
| 97 | bool compare(DominanceFrontierBase<MachineBasicBlock, false> &Other) const { |
| 98 | return Base.compare(Other); |
| 99 | } |
| 100 | |
| 101 | bool runOnMachineFunction(MachineFunction &F) override; |
| 102 | |
| 103 | void releaseMemory() override; |
| 104 | |
| 105 | void getAnalysisUsage(AnalysisUsage &AU) const override; |
| 106 | }; |
| 107 | |
| 108 | } // end namespace llvm |
| 109 | |
| 110 | #endif // LLVM_CODEGEN_MACHINEDOMINANCEFRONTIER_H |