arsenm wrote:

> I'm guessing this is because -march and -mcpu are used inconsistently? I'm 
> hesitant to add such a large refactor when it's not strictly necessary for 
> the information required.

That's a small part of the problem. The more annoying part is figuring out the 
exact target is not just a matter of parsing -march/-mcpu. Some places use the 
raw target ID, some places want the target ID suffix split off and the base GPU 
name. Things are worse when you account for the explicit -m options that should 
change the target 

https://github.com/llvm/llvm-project/pull/196504
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