diff options
| -rw-r--r-- | lib/CodeGen/StrongPHIElimination.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/StrongPHIElimination.cpp b/lib/CodeGen/StrongPHIElimination.cpp index c5e9c343fc..86224038a0 100644 --- a/lib/CodeGen/StrongPHIElimination.cpp +++ b/lib/CodeGen/StrongPHIElimination.cpp @@ -146,6 +146,8 @@ void StrongPHIElimination::computeDFS(MachineFunction& MF) { } } +/// PreorderSorter - a helper class that is used to sort registers +/// according to the preorder number of their defining blocks class PreorderSorter { private: DenseMap<MachineBasicBlock*, unsigned>& preorder; @@ -172,6 +174,8 @@ public: } }; +/// computeDomForest - compute the subforest of the DomTree corresponding +/// to the defining blocks of the registers in question std::vector<StrongPHIElimination::DomForestNode*> StrongPHIElimination::computeDomForest(std::set<unsigned>& regs) { LiveVariables& LV = getAnalysis<LiveVariables>(); @@ -215,6 +219,7 @@ StrongPHIElimination::computeDomForest(std::set<unsigned>& regs) { return ret; } +/// processPHI - Eliminate the given PHI node void StrongPHIElimination::processPHI(MachineInstr* P) { } |