[llvm-dev] Finding line numbers in source code associated with given bitcode instructions

[Carter Cheng via llvm-dev]

Great, thanks for the info!

On Wed, Nov 28, 2018 at 11:12 PM <paul.robinson at sony.com> wrote:

> It looks like using one of clang's `-Rpass` remark options would annotate
> instructions with source locations, without actually producing any debug
> info (type info etc).  If that doesn't work, `-gmlt` (aka
> `-gline-tables-only`) should do the trick.
>
> --paulr
>
>
>
> *From:* llvm-dev [mailto:llvm-dev-bounces at lists.llvm.org] *On Behalf Of *Carter
> Cheng via llvm-dev
> *Sent:* Wednesday, November 28, 2018 9:09 AM
> *To:* llvm-dev at lists.llvm.org
> *Subject:* [llvm-dev] Finding line numbers in source code associated with
> given bitcode instructions
>
>
>
> Hello,
>
>
>
> Is it possible to somehow similar to how DWARF functions with assembly
> find out which line numbers in unoptimized code are associated with which
> bitcode instructions for the purpose of debugging compiler passes? I am
> curious about whether this is possible prior to writing some
> instrumentation passes for the purpose of debugging them.
>
>
>
> Thanks in advance,
>
>
>
> Carter.
>
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