[llvm-commits] [patch] Convert uses of getPhysicalRegisterRegClass in VirtRegRewriter.cpp

[Evan Cheng]

I don't think it's quite done. I plan to evaluate it in the near future. Using getMinimalPhysRegClass for now is fine.

Evan

On Jul 11, 2010, at 7:29 PM, Rafael Espindola <espindola at google.com> wrote:

>> Using getMinimalPhysRegClass should be correct, but very conservative.
>> It is possible that the current register is used only in instructions
>> that would accept registers from a larger classes. Unfortunately "make
>> check-lit" found no such cases :-(
> 
> Just noticed that this is because there is no test that uses
> -break-anti-dependencies=all :-(. Is this being file being used at
> all?
> 
> Cheers,
> -- 
> Rafael Ávila de Espíndola
> 
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