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Tasklist

FS#59430 - llvm-nm does not accept bitcode files (version compare mismatch)

Attached to Project: Arch Linux
Opened by Heiko Eißfeldt (hexcoder) - Monday, 23 July 2018, 22:30 GMT
Last edited by Evangelos Foutras (foutrelis) - Thursday, 26 July 2018, 18:03 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To No-one
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description: Running llvm-nm on a bitcode file gives an error message
instead of the expected symbols listing.

The error message is:
llvm-nm: files.bc Invalid function argument type (Producer: 'LLVM6.0.1' Reader: 'LLVM 6.0.1')

Please note the extra space after 'LLVM' in the Reader version string.

Additional info:
* package version: 6.0.1-1


Steps to reproduce:
Steps to reproduce:
1. compile some source to bitcode object file
2. run llvm-nm on bitcode object file
   llvm-nm_bug (1.2 KiB)
This task depends upon

Closed by  Evangelos Foutras (foutrelis)
Thursday, 26 July 2018, 18:03 GMT
Reason for closing:  Works for me
Additional comments about closing:  Based on a private email, this only happens with a custom LLVM pass (where the issue probably lies).
Comment by Evangelos Foutras (foutrelis) - Wednesday, 25 July 2018, 16:03 GMT
The real error is the "Invalid function argument type" and the missing space in the producer string is correct.

You'll need to provide a full reproduction example, since I can't repro with something like "int main() {return 0;}".

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