dblaikie added inline comments.
================
Comment at: clang/lib/CodeGen/CGDebugInfo.cpp:3659
// Use llvm function name.
- Name = Fn->getName();
+ if (Fn->getName().startswith("___Z"))
+ LinkageName = Fn->getName();
----------------
shafik wrote:
> dblaikie wrote:
> > aprantl wrote:
> > > aprantl wrote:
> > > > Could you please add a comment that Clang Blocks are generated as raw
> > > > llvm::Functions but do have a mangled name and that is handling this
> > > > case? Otherwise this would look suspicious.
> > > Should *all* raw LLVM functions have their name as the linkage name?
> > > Perhaps a raw LLVM function should only have a linkage name and no
> > > human-readable name?
> > Seems plausible to me - do we have any data on other types of functions
> > that hit this codepath?
> So it was not obvious to me what other cases would this branch so I added an
> assert and ran `check-clang` and from that I saw four cases that ended up
> here:
>
> `GenerateCapturedStmtFunction`
> `GenerateOpenMPCapturedStmtFunction`
> `GenerateBlockFunction`
> `generateDestroyHelper`
>
> It is not obvious to me we want to alter the behavior of any of the other
> cases.
Could you show any small source examples & their corresponding DWARF & how that
DWARF would change? (what names are we using, what names would we end up
using/what sort of things are they naming)
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D73282/new/
https://reviews.llvm.org/D73282
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