Ahmed Bougacha 40ded502ff [CodeGen] When Promoting, don't extend the 2nd FCOPYSIGN operand. ...

We don't care about its type, and there's even a combine that'll fold
away the FP_EXTEND if we let it run. However, until it does, we'll have
something broken like:
  (f32 (fp_extend (f64 v)))

Scalar f16 follow-up to r243924.

llvm-svn: 244858

2015-08-13 01:09:43 +00:00

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