[llvm-dev] New pass manager, documentation?

[David Blaikie via llvm-dev]

+Arthur


On Wed, Feb 24, 2021 at 9:31 AM Jon Chesterfield via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hi,
>
> I'm trying to work out how to use the new pass manager. For example, what
> is the rough equivalent to addPreISel() in the old one for running target
> specific passes shortly before instruction selection, or how do I run a
> module pass shortly before a function pass.
>
> I have a module pass which works if run shortly before instruction
> selection, but not if it is run via EP_ModuleOptimizerEarly. My current
> plan is to make the pass significantly more complicated, so that it can
> handle being run repeatedly from suboptimal points in the pipeline, but I
> can keep the simple/stupid version instead if I can work out how the pass
> manager works.
>
> Thanks,
>
> Jon
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