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2013 Aug 08
0
[LLVMdev] Convert fdiv - X/Y -> X*1/Y
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2013 Aug 08
2
[LLVMdev] Convert fdiv - X/Y -> X*1/Y
On Aug 8, 2013, at 9:56 AM, Jim Grosbach <grosbach at apple.com> wrote: > Hi Chad, > > This is a great transform to do, but you’re right that it’s only safe under fast-math. This is particularly interesting when the original divisor is a constant so you can materialize the reciprocal at compile-time. You’re right that in either case, this optimization should only kick in when