[PATCH] D97854: [RFC][nsan] A Floating-point numerical sanitizer.

Steve Canon via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Mar 10 08:51:52 PST 2021


scanon added a comment.

Is there a mechanism to instruct the sanitizer to ignore a specific expression or function? From a cursory reading, I am mildly concerned about a deluge of false positives from primitives that compute exact (or approximate) residuals; these are acting to eliminate or precisely control floating-point errors, but tend to show up as "unstable" in a naive analysis that isn't aware of them.


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