[PATCH] Teach tablegen to elide case-less switch statements

[Aaron Ballman]

Thanks!  Committed in r186330

~Aaron

On Mon, Jul 15, 2013 at 12:42 PM, Jakob Stoklund Olesen <stoklund at 2pi.dk> wrote:
>
> On Jul 9, 2013, at 2:14 PM, Aaron Ballman <aaron at aaronballman.com> wrote:
>
>> The following patch teaches llvm-tblgen to not emit a switch statement
>> when there are no case statements .  This should slightly clean up the
>> output from tablegen in those cases (and there are a handful).
>>
>> Most of the changes in the patch are indentation levels after wrapping
>> code in an if block.  However, I did switch to using a stringstream in
>> AsmMatcherEmitter.cpp because of the complexity involved in checking
>> whether cases were produced or not.
>
> LGTM.
>
> /jakob
>