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Commit f5b2a47a authored by Benjamin Kramer's avatar Benjamin Kramer
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[InstSimplify] fsub 0.0, (fsub -0.0, X) ==> X is only safe if signed zeros are ignored. 

Only allow fsub -0.0, (fsub -0.0, X) ==> X without nsz. PR26746.

llvm-svn: 262212
parent 27ba83fd
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