[llvm-dev] What is HexagonCommonGEP.cpp for?

[Krzysztof Parzyszek via llvm-dev]

On 6/14/2017 9:05 AM, 陳韋任 wrote:
> I only see Hexagon has such optimization, is there any reason that 
> Hexagon need this?

This question is backwards. Since it was written in the first place, 
there obviously was a reason for it. It was originally written for 
Hexagon and so it remains as a Hexagon-only optimization. It could 
become a target-independent optimization, but so far nothing has been 
done to evaluate the impact of it for other targets.

-Krzysztof

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