[llvm-dev] Use LLVM C API for reading metadata

[Jeremy Morse via llvm-dev]

Hi Guang,



The upcoming 7.0 release has more debug-info exposed by the C API,
including reading line and column information from DILocation's, as seen
here [0].



As for determining types, I believe all debug metadata attached directly to
instructions are DILocations, but navigating further into the debug info
structures isn't directly exposed by the C API.



[0]
https://github.com/llvm-mirror/llvm/blob/1d13545e10c5574a40821115d10c54c16f7c47be/include/llvm-c/DebugInfo.h#L396



--

Thanks,

Jeremy
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