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Duncan P. N. Exon Smith
5bb95798bc
Change `DIELoc` and `DIEBlock` to stop inheriting from `DIE`, instead inheriting from `DIEValueList` to share the value storage API. This awkward bit of code-sharing was also fairly confusing: neither `DIELoc` nor `DIEBlock` represents a `DIE`, so why would they inherit from it? Aside from the API cleanup, this should improve debug info memory usage in the backend, since it shaves five pointers off of every `DIELoc` and `DIEBlock`. I haven't bothered to measure the savings, though. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243858 91177308-0d34-0410-b5e6-96231b3b80d8
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