| 1 | //===- llvm/CodeGen/MachineDominanceFrontier.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 | #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 | |
| 18 | namespace llvm { |
| 19 | |
| 20 | class MachineDominanceFrontier : public MachineFunctionPass { |
| 21 | ForwardDominanceFrontierBase<MachineBasicBlock> Base; |
| 22 | |
| 23 | public: |
| 24 | using DomTreeT = DomTreeBase<MachineBasicBlock>; |
| 25 | using DomTreeNodeT = DomTreeNodeBase<MachineBasicBlock>; |
| 26 | using DomSetType = DominanceFrontierBase<MachineBasicBlock, false>::DomSetType; |
| 27 | using iterator = DominanceFrontierBase<MachineBasicBlock, false>::iterator; |
| 28 | using const_iterator = |
| 29 | DominanceFrontierBase<MachineBasicBlock, false>::const_iterator; |
| 30 | |
| 31 | MachineDominanceFrontier(const MachineDominanceFrontier &) = delete; |
| 32 | MachineDominanceFrontier &operator=(const MachineDominanceFrontier &) = delete; |
| 33 | |
| 34 | static char ID; |
| 35 | |
| 36 | MachineDominanceFrontier(); |
| 37 | |
| 38 | ForwardDominanceFrontierBase<MachineBasicBlock> &getBase() { return Base; } |
| 39 | |
| 40 | const SmallVectorImpl<MachineBasicBlock *> &getRoots() const { |
| 41 | return Base.getRoots(); |
| 42 | } |
| 43 | |
| 44 | MachineBasicBlock *getRoot() const { |
| 45 | return Base.getRoot(); |
| 46 | } |
| 47 | |
| 48 | bool isPostDominator() const { |
| 49 | return Base.isPostDominator(); |
| 50 | } |
| 51 | |
| 52 | iterator begin() { |
| 53 | return Base.begin(); |
| 54 | } |
| 55 | |
| 56 | const_iterator begin() const { |
| 57 | return Base.begin(); |
| 58 | } |
| 59 | |
| 60 | iterator end() { |
| 61 | return Base.end(); |
| 62 | } |
| 63 | |
| 64 | const_iterator end() const { |
| 65 | return Base.end(); |
| 66 | } |
| 67 | |
| 68 | iterator find(MachineBasicBlock *B) { |
| 69 | return Base.find(B); |
| 70 | } |
| 71 | |
| 72 | const_iterator find(MachineBasicBlock *B) const { |
| 73 | return Base.find(B); |
| 74 | } |
| 75 | |
| 76 | bool runOnMachineFunction(MachineFunction &F) override; |
| 77 | |
| 78 | void releaseMemory() override; |
| 79 | |
| 80 | void getAnalysisUsage(AnalysisUsage &AU) const override; |
| 81 | }; |
| 82 | |
| 83 | } // end namespace llvm |
| 84 | |
| 85 | #endif // LLVM_CODEGEN_MACHINEDOMINANCEFRONTIER_H |
| 86 |