[LLVMdev] RFC: what is the purpose of test/CodeGen/Generic?

[Eric Christopher]

Agreed :)

-eric

On Mon, Aug 3, 2015 at 12:51 PM Alex L <arphaman at gmail.com> wrote:

> Some of the tests are used to test the command line options in llc and the
> behavior of the LLVMTargetMachine class, like stop-after.ll and
> run-pass.ll. I think that they are expected to work on every target and
> should stay here.
>
> Cheers,
> Alex
>
> 2015-08-03 12:22 GMT-07:00 Mehdi Amini <mehdi.amini at apple.com>:
>
>> Hi all,
>>
>> I wonder about this directory and the 162 tests that are in it.
>>
>> Most tests have only this run line: ; RUN: llc < %s
>>
>> And when I look at the log of some tests like:
>> test/CodeGen/Generic/2002-04-14-UnexpectedUnsignedType.ll
>> The comment inside is:
>>
>> ; This caused the backend to assert out with:
>> ; SparcInstrInfo.cpp:103: failed assertion `0 && "Unexpected unsigned
>> type”’
>>
>> I doubt we are effectively testing the Sparc backend unless you run the
>> validation on a Sparc.
>>
>> Since “CodeGen” can’t really be generic (you’ll need a target), I’m not
>> sure what is intended to be in it. I’d like to move most of the tests in
>> their associated backend directory, but I’d like to hear what is legit to
>> be here?
>>
>> Thanks,
>>
>> Mehdi
>>
>>
>>
>>
>>
>>
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