[LLVMdev] RFC: Separate machine IR from lib/CodeGen into lib/MIR

[Chris Lattner]

> On May 26, 2015, at 11:20 PM, Quentin Colombet <qcolombet at apple.com> wrote:
> 
> +1.
> 
> Could those two be subdirectories of one “Machine-Related-Stuff” directory?
> E.g.,
> MachineStuff/IR
> MachineStuff/CodeGen
> 
> Where MachineStuff is something meaningful :).
> 
> That way, they keep a logic bound, more formal than the naming convention.

Something like?

lib/Machine/IR
lib/Machine/Passes

Unless there will be many subdirectories, it seems slightly better to flatten out the layer.

Also, if we’re getting crazy here, CodeGen in clang should be renamed to IRGen, AsmPrinter should be renamed to MCGen, and SelectionDAG should be replaced ;-)

-Chris



> 
> My 2c.
> 
> Q.
>> On May 26, 2015, at 9:28 PM, Chris Lattner <clattner at apple.com <mailto:clattner at apple.com>> wrote:
>> 
>> On May 26, 2015, at 1:46 PM, Owen Anderson <resistor at mac.com <mailto:resistor at mac.com>> wrote:
>>>>> The MIR serialization code will go under the new MIR library and not under
>>>>> CodeGen which will break the dependency. The CodeGen library will link MIR
>>>>> automatically so the build files for tools that link with CodeGen won't have to
>>>>> be changed.
>>>>> 
>>>>> Thanks for reading,
>>>>> Alex
>>>>> 
>>>> 
>>>> FWIW, I'm in favour of this.  I'd be interested to hear if there's
>>>> a reason *not* to do this.
>>>> 
>>>> Here's some more context:
>>>> 
>>>>  http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20150518/278031.html <http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20150518/278031.html>
>>> I have no objections, though I think lib/MachineIR would make a prettier bikeshed ;-)
>> 
>> +1.  Codegen should also be renamed to something else that starts with “Machine” as well.
>> 
>> -Chris
>> 
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