[llvm-commits] Patch: small fix to bit convert and shifts

[Mon Ping Wang]

Hi,

I'm resubmitting the patch with an additional change that fixes  
another bug when splitting vector shifts.  When unrolling a vector  
shift, we fix up the shift amount to be the correct type.  I left the  
fix up of the shift amount in LegalizeOp alone though I don't think it  
is ever needed since I don't think one can create a shift of a scalar  
with an incorrect shift amount type.  I also updated the LangRef with  
an examples of using vector for the shift operands.

-- Mon Ping
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