[llvm-dev] how to type-legalize a dag

[Krzysztof Parzyszek via llvm-dev]

On 3/15/2016 4:16 PM, Rail Shafigulin via llvm-dev wrote:
> Below is the output of llc with a -debug-only=isel. As you could see the
> output type for load, store, and add changes from v4i32 to i32 during
> legalization. How can I preserve the output type to v4i32?

Make sure that there is a register class associated with v4i32.

See TargetLoweringBase::addRegisterClass. It's generally called in 
<target>ISelLowering.cpp.

-Krzysztof

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