[PATCH] D105029: [Debug-info][InstrRef] Avoid un-necessary ordering in debug value-substitution records

[Jeremy Morse via Phabricator via llvm-commits]

jmorse added a comment.

Thanks for the review; I found at the last minute that the assertion I'd put in MachineFunction.h for detecting duplicate sources in substitutions wasn't going to work: it would also fire when doing lookups. Checking for duplicates needs to be done explicitly; and it's moderately expensive, so I've downgraded it to an EXPENSIVE_CHECK in `InstrRefBasedLDV::initialSetup`.


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https://reviews.llvm.org/D105029