[IR2Vec][llvm-ir2vec] Add support for reading from stdin #149213
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This was referenced Jul 16, 2025
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Pull Request Overview
Adds support for reading LLVM IR from stdin by allowing "-" as the positional input filename and updating the parsing logic.
- Changed
InputFilenameoption to default to"-"and updated its description for stdin support - Refactored
mainto introduce a placeholder for stdin handling and unconditionally callparseIRFile
Comments suppressed due to low confidence (1)
llvm/tools/llvm-ir2vec/llvm-ir2vec.cpp:54
- The new stdin support path isn't covered by existing tests. Consider adding unit or integration tests that pipe LLVM IR into stdin (using
-) to verify the feature works end-to-end.
cl::init("-"), cl::cat(IR2VecToolCategory));
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Add support for reading LLVM IR from stdin in the llvm-ir2vec tool.
This allows usage of the tool in pipelines where LLVM IR is generated or transformed on-the-fly just like the other llvm tools. Useful in upcoming PRs.
(Tracking issue - #141817)