[PATCH] D73478: [DebugInfo] replaceDbgUsesWithUndef before removing single store alloca

[Orlando Cazalet-Hyams via Phabricator via llvm-commits]

Orlando added a comment.

> So how did you come to be trying to fix these bugs?

I was specifically looking for cases where debug intrinsics are dropped.

> Perhaps we shouldn't fix them

That's fair for the ones like this which will never affect the final debuginfo.

As you have pointed out my build commands have turned up some false positives. I'll sort through the fixes (and update tests so that they use and work with -disable-llvm-passes) and upload them when I get the chance.


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https://reviews.llvm.org/D73478