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coalescecopies
2002 Dec 01
1
[LLVMdev] PassManager error message hard to decipher
I cannot figure out a particular PassManager error for what seem to be
legal dependencies.
Here is the situation. We have 5 passes, RegisterAllocator,
FunctionLiveVarInfo, CoalesceCopies, DominanceForest, and UnionSSAVars,
with dependencies as follows:
class RegisterAllocator : public FunctionPass {
. . .
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<FunctionLiveVarInfo>();
AU.addRequired<CoalesceCopies>();
}
. . .
};
class Fu...