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llvm-svn: 43755
This commit is contained in:
Owen Anderson 2007-11-06 05:26:02 +00:00
parent eb964eb2c8
commit d378cea030
1 changed files with 5 additions and 0 deletions
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5
llvm/lib/CodeGen/StrongPHIElimination.cpp
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@ -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) {
}