-
-//==- MachineBranchProbabilityInfo.h - Machine Branch Probability Analysis -==//
+//=- MachineBranchProbabilityInfo.h - Branch Probability Analysis -*- C++ -*-=//
//
// The LLVM Compiler Infrastructure
//
initializeMachineBranchProbabilityInfoPass(Registry);
}
- void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
uint32_t getSumForBlock(const MachineBasicBlock *MBB, uint32_t &Scale) const;
// A 'Hot' edge is an edge which probability is >= 80%.
- bool isEdgeHot(MachineBasicBlock *Src, MachineBasicBlock *Dst) const;
+ bool isEdgeHot(const MachineBasicBlock *Src,
+ const MachineBasicBlock *Dst) const;
// Return a hot successor for the block BB or null if there isn't one.
// NB: This routine's complexity is linear on the number of successors.
// NB: This routine's complexity is linear on the number of successors of
// Src. Querying sequentially for each successor's probability is a quadratic
// query pattern.
- BranchProbability getEdgeProbability(MachineBasicBlock *Src,
- MachineBasicBlock *Dst) const;
+ BranchProbability getEdgeProbability(const MachineBasicBlock *Src,
+ const MachineBasicBlock *Dst) const;
// Print value between 0 (0% probability) and 1 (100% probability),
// however the value is never equal to 0, and can be 1 only iff SRC block
// has only one successor.
- raw_ostream &printEdgeProbability(raw_ostream &OS, MachineBasicBlock *Src,
- MachineBasicBlock *Dst) const;
+ raw_ostream &printEdgeProbability(raw_ostream &OS,
+ const MachineBasicBlock *Src,
+ const MachineBasicBlock *Dst) const;
};
}