[llvm-dev] Working on FP SCEV Analysis

Daniel Berlin via llvm-dev llvm-dev at lists.llvm.org
Wed May 18 12:21:30 PDT 2016

> If we're interested in handling complex variants of A directly: computing
> trip counts, proving away predicates etc. without translating the loops to
> use integer IVs (perhaps because we can't legally do so), then I can see
> FP-SCEV as a reasonable implementation strategy, but it looks like the
> general consensus is that such cases are rare and generally not worth
> optimizing?
> Just to explicitly not include myself in that consensus: I'm withholding a
real view till I see *some* evidence one way or the other.
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