[PATCH] D116952: [ConstantFolding] Flush folded denormals to zero when using fastmath

Sanjay Patel via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sat Jan 29 09:48:17 PST 2022


spatel added a comment.

Sorry, I didn't look at this review sooner, but I agree with @nikic. The TTI warning comment in instcombine was supposed to prevent this kind of proposal, and this seems to be mixing up seemingly unrelated pieces of FP behavior. It might help to see a source/motivating example to understand if there's any realistic solution to the problem.


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