[LLVMdev] Help with pass registration

[Chris Lattner]

On Fri, 8 Sep 2006, Fernando Magno Quintao Pereira wrote:
>    I have updated my LLVM to the top of CVS, and now I am getting
> errors like this one below when I write new passes:

What does your getAnalysisUsage method look like?

-Chris

> "llc: PassManagerT.h:387: void
> llvm::PassManagerT<Trait>::markPassUsed(const llvm::PassInfo*,
> llvm::Pass*) [with Trait = llvm::FTraits]: Assertion
> `getAnalysisOrNullUp(P) &&
> dynamic_cast<ImmutablePass*>(getAnalysisOrNullUp(P)) && "Pass available
> but not found! " "Perhaps this is a module pass requiring a function
> pass?"' failed."
>
> Could someone give me pointers to know more about this type of errors? I
> think I am not registering my new passes properly in the new llvm
> distribution,
> because I am getting this even if I try to write a very simple machine
> function pass that only returns false and preserves all the other passes.
>
> Thanks a lot,
>
> Fernando
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-Chris

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