LCOV - code coverage report
Current view: top level - include/llvm/CodeGen - MachinePostDominators.h (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 3 3 100.0 %
Date: 2017-09-14 15:23:50 Functions: 0 0 -
Legend: Lines: hit not hit

          Line data    Source code
       1             : //=- llvm/CodeGen/MachineDominators.h ----------------------------*- C++ -*-==//
       2             : //
       3             : //                     The LLVM Compiler Infrastructure
       4             : //
       5             : // This file is distributed under the University of Illinois Open Source
       6             : // License. See LICENSE.TXT for details.
       7             : //
       8             : //===----------------------------------------------------------------------===//
       9             : //
      10             : // This file exposes interfaces to post dominance information for
      11             : // target-specific code.
      12             : //
      13             : //===----------------------------------------------------------------------===//
      14             : 
      15             : #ifndef LLVM_CODEGEN_MACHINEPOSTDOMINATORS_H
      16             : #define LLVM_CODEGEN_MACHINEPOSTDOMINATORS_H
      17             : 
      18             : #include "llvm/CodeGen/MachineDominators.h"
      19             : #include "llvm/CodeGen/MachineFunctionPass.h"
      20             : 
      21             : namespace llvm {
      22             : 
      23             : ///
      24             : /// PostDominatorTree Class - Concrete subclass of DominatorTree that is used
      25             : /// to compute the post-dominator tree.
      26             : ///
      27             : struct MachinePostDominatorTree : public MachineFunctionPass {
      28             : private:
      29             :  PostDomTreeBase<MachineBasicBlock> *DT;
      30             : 
      31             : public:
      32             :   static char ID;
      33             : 
      34             :   MachinePostDominatorTree();
      35             : 
      36             :   ~MachinePostDominatorTree() override;
      37             : 
      38             :   FunctionPass *createMachinePostDominatorTreePass();
      39             : 
      40             :   const SmallVectorImpl<MachineBasicBlock *> &getRoots() const {
      41             :     return DT->getRoots();
      42             :   }
      43             : 
      44             :   MachineDomTreeNode *getRootNode() const {
      45             :     return DT->getRootNode();
      46             :   }
      47             : 
      48             :   MachineDomTreeNode *operator[](MachineBasicBlock *BB) const {
      49             :     return DT->getNode(BB);
      50             :   }
      51             : 
      52             :   MachineDomTreeNode *getNode(MachineBasicBlock *BB) const {
      53         626 :     return DT->getNode(BB);
      54             :   }
      55             : 
      56             :   bool dominates(const MachineDomTreeNode *A,
      57             :                  const MachineDomTreeNode *B) const {
      58             :     return DT->dominates(A, B);
      59             :   }
      60             : 
      61             :   bool dominates(const MachineBasicBlock *A, const MachineBasicBlock *B) const {
      62      239426 :     return DT->dominates(A, B);
      63             :   }
      64             : 
      65             :   bool properlyDominates(const MachineDomTreeNode *A,
      66             :                          const MachineDomTreeNode *B) const {
      67             :     return DT->properlyDominates(A, B);
      68             :   }
      69             : 
      70             :   bool properlyDominates(const MachineBasicBlock *A,
      71             :                          const MachineBasicBlock *B) const {
      72             :     return DT->properlyDominates(A, B);
      73             :   }
      74             : 
      75             :   MachineBasicBlock *findNearestCommonDominator(MachineBasicBlock *A,
      76             :                                                 MachineBasicBlock *B) {
      77         788 :     return DT->findNearestCommonDominator(A, B);
      78             :   }
      79             : 
      80             :   bool runOnMachineFunction(MachineFunction &MF) override;
      81             :   void getAnalysisUsage(AnalysisUsage &AU) const override;
      82             :   void print(llvm::raw_ostream &OS, const Module *M = nullptr) const override;
      83             : };
      84             : } //end of namespace llvm
      85             : 
      86             : #endif

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