David Majnemer ab07f00c64 InstCombine: Combine (add (and %a, %b) (or %a, %b)) to (add %a, %b) ...

What follows bellow is a correctness proof of the transform using CVC3.

$ < t.cvc
A, B : BITVECTOR(32);

QUERY BVPLUS(32, A & B, A | B) = BVPLUS(32, A, B);

$ cvc3 < t.cvc
Valid.

llvm-svn: 215400

2014-08-11 22:32:02 +00:00

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