[llvm-commits] SoftenFloatOp support for fp_round

[Bruno Cardoso Lopes]

fpround support into the new DAGTypeLegalizer.
This adds a libcall for f64->f32 when f64 is not legal.

-- 
Bruno Cardoso Lopes
http://www.brunocardoso.cc
"When faced with untenable alternatives, you
 should consider your imperative."
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