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3 Commits

Author SHA1 Message Date
Sanjay Patel e235942a1e [InstSimplify] fp_binop X, NaN --> NaN 
We propagate the existing NaN value when possible.

Differential Revision: https://reviews.llvm.org/D44521

llvm-svn: 328140
 2018-03-21 19:31:53 +00:00
Sanjay Patel 5a5c33d8b5 [InstSimplify] add NaN constant diversity; NFC 
llvm-svn: 327743
 2018-03-16 20:55:55 +00:00
Sanjay Patel 43f71eade0 [InstSimplify] add tests with NaN operand for fp binops; NFC 
llvm-svn: 327631
 2018-03-15 14:48:39 +00:00