[LLVMdev] Problem Adding New Pass to Alias Analysis Group

[John Criswell]

Dear All,

I'm trying to add a new alias analysis to the alias analysis group in 
LLVM 3.2.  This new pass is linked statically into a tool that lives 
outside the LLVM source tree, so I'm trying to avoid making patches to 
the LLVM sources.

I've added the INITIALIZE_AG_PASS_BEGIN() and INITIALIZE_AG_PASS_END() 
code to the pass, manually scheduled it before the 
MemoryDependenceAnalysis pass, and have tried making it a FunctionPass 
and an ImmutablePass, but no matter what I do, it seems like 
MemoryDependenceAnalysis and other passes keep using the -no-aa default 
pass instead.

1) Does anyone have ideas on how to verify that my pass is part of the 
alias analysis group?

2) Does anyone have any ideas on what I might be doing wrong?

Any ideas would be appreciated.

Thanks in advance,

-- John T.