[llvm-dev] Support for out-of-tree backend passes?

William Woodruff via llvm-dev llvm-dev at lists.llvm.org
Sat Mar 2 20:15:24 PST 2019


On Sat, Mar 02, 2019 at 07:34:50PM -0800, Tim Northover wrote:

> The biggest difference and problem I see would be building the thing,
> since the target's headers are going to be needed, but they're
> private. That means they're not shipped with LLVM so you'd need the
> source (and an active build directory for the TableGenerated files,
> lib/Target/XYZ/XYZGen*.inc), which might make the whole project moot
> (depending on your reasons for doing it).

Yeah, that's a problem. My particular use case is mostly
target-independent, so I hadn't thought about that.

Well, I'll do some fiddling and see if anything sticks.
Thanks for the response!

William
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