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strongphielimination
2009 May 05
0
[LLVMdev] unable to schedule pass message
...can
answer. I am trying to add a new register allocator to my target, and would
like to use the Strong Phi Elimination pass. I am doing the following in my
allocator
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequiredID(MachineDominatorsID);
AU.addRequiredID(StrongPHIEliminationID); // Eliminate PHI
nodes
AU.addRequired<LiveStacks>();
AU.addPreserved<LiveStacks>();
AU.addRequired<MachineLoopInfo>();
AU.addPreserved<MachineLoopInfo>();
MachineFunctionPass::getAnalysisUsage(AU);
}
but I get the following erro...