[LLVMdev] Type Legalizer Question.
sanjiv.gupta at microchip.com
Thu Oct 2 02:01:55 PDT 2008
> So you have a i16 register class which makes the type legal. You can
> make loads and stores legal (can you?). But you will have to custom
> lower all other i16 operations. This will work, but it requires a lot
> of target specific code.
True. If we add the i16 reg class we will need to write a lot of target specific code.
To avoid that our idea was not to tell the legalizer about the i16 regclass and let it expand everything but ignore the pointers.
> >> Ciao,
> >> Duncan.
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