[LLVMdev] modulepass requiring a functionpass

[Chris Lattner]

On Sun, 8 Oct 2006, Ryan M. Lefever wrote:
> I have a ModulePass, which we'll call MP, that generates a dependency
> graph for an entire program.  I want MP to require the
> UnifyFunctionExitNodes pass, which is a FunctionPass.  Since its not
> possible to make a ModulePass depend on a FunctionPass, is my only
> choice to make MP a FunctionPass in which the runOnFunction() routine
> does nothing, and the doFinalization routine does all the work that the
> runOnModule() pass did when MP was a ModulePass?

Yes.  Alternatively, you could arrange for the unifyfunctionexitnodes pass 
to always be run before yours through other ways: i.e. always pass the 
option to opt or something.

-Chris

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