Fix the metadata deduplication #1165
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The llvmlite debug metadata cache does not work as expected due to the encoding value using address of DIToken instance and serves as part of the key. Solutions could be either singleton the DIToken class, or extract the string value from the encoding object. Since the DIToken class is designed to be a wrapper of enumeration value, e.g. the DW_* enumerations, that should appear bare in the emitted metadata, in this change, singleton DIToken is made to fix the problem. This solves llvmlit issue numba#1164 numba#1164
The llvmlite debug metadata cache does not work as expected due to the encoding value using address of DIToken instance and serves as part of the key. Solution is to extract the string value from the encoding object. Since the DIToken class is designed to be a wrapper of enumeration value, e.g. the DW_* enumerations, that should appear bare in the emitted metadata, in this change, stringify DIToken is made to fix the problem. This solved llvmlite issue numba#1164
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Could you add a test please? |
Yes, done. |
gmarkall
approved these changes
Mar 17, 2025
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The llvmlite debug metadata cache does not work as expected due to the encoding value using address of DIToken instance and serves as part of the key.
Solution is to extract the string value from the encoding object.
Since the DIToken class is designed to be a wrapper of enumeration value, e.g. the DW_* enumerations, that should appear bare in the emitted metadata, in this change, stringify DIToken is made to fix the problem.
This solves llvmlite issue #1164