[PATCH] D110081: [llvm-profgen] Filter out invalid debug line

[Wenlei He via Phabricator via llvm-commits]

wenlei added a comment.

I think I've seen negative line offsets due to use of macro. If macro is used the line info may point to location where the macro is defined, then it can lead to negative line offset if we use function start line as the base.

In such cases, negative offset should still work for correlating profile back to IR.. What is the corresponding line offset you saw on relevant IR? Do they match the offset in the profile?


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  https://reviews.llvm.org/D110081/new/

https://reviews.llvm.org/D110081