[llvm-dev] Testing End-To-End Functionality of Specific Optimization

[Eli Davis via llvm-dev]

Ah, that makes a lot of sense. Thank you! Do you have any tips (or 
points to documentation) for how to run compiler-rt tests? Just invoking 
llvm-lit doesn't seem to work


On 01/03/2018 11:17 PM, Sean Silva wrote:
> Typically this would be tested alongside the runtime component in 
> compiler-rt.
> For example, PGO instrumentation has its "end-to-end" tests in 
> https://github.com/llvm-mirror/compiler-rt/tree/master/test/profile
>
> -- Sean Silva
>
> On Tue, Jan 2, 2018 at 11:16 AM, Eli Davis via llvm-dev 
> <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote:
>
>     Hello!
>
>     I am writing an instrumentation pass using LLVM. I have unit tests
>     using llvm-lit in the style of the tests in llvm/test to make sure
>     the IR changes show up in the correct place. I would also like to
>     have some end-to-end tests that start from a .c file, compile the
>     program, run it, and check the output.
>
>     I imagine I could do this as a test in the same style, but I'm
>     wondering if that's the llvm-correct way of doing it. Can anyone
>     advise?
>
>     Thank you!
>
>     Eli
>
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