[PATCH] D105491: [clang] Use i64 for the !srcloc metadata on asm IR nodes.

[Duncan P. N. Exon Smith via Phabricator via cfe-commits]

dexonsmith added a comment.

In D105491#2893632 <https://reviews.llvm.org/D105491#2893632>, @simon_tatham wrote:

> In D105491#2891860 <https://reviews.llvm.org/D105491#2891860>, @dexonsmith wrote:
>
>> although it'd be good to get someone more involved in lib/CodeGen to take a quick look / sign off (ideally someone that knows the use case for `!srcloc`...).
>
> Any idea who that might be? Looking through the logs, @lattner seems to have made all the commits that set up `!srcloc` in the first place, and nobody seems to have modified the mechanism much since then.

I wonder if this is even reachable anymore, given that the one testcase is inline asm (I believe the frontend catches inline asm errors now) -- I mean, CGStmt still attaches these, but maybe the backend never fires a diagnostic in practice because the frontend error checking is good enough to avoid emitting IR that's broken. (Could be useful for other frontends, maybe, though...)

Anyway, I'm comfortable signing off; feel free to commit without finding someone else (remember to add a comment to the testcase).


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