[llvm-dev] a bundle with one instruction

[Krzysztof Parzyszek via llvm-dev]

On 1/22/2016 5:38 PM, Rail Shafigulin wrote:
>
> Just out of curiosity, why Hexagon doesn't create a bundle with a single
> instruction earlier? Wouldn't it be more consistent (and convinient) to
> bundle all the instructions in one place (at MachineInstr level) rather
> then handle it in different places?

The framework that handles bundles in lib/CodeGen will assert if you 
create a bundle with a single instruction.  Most likely there are some 
assumptions in it that a bundle will have at least two, but I don't know 
the details.

-Krzysztof

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