Published On Jan 10, 2024
2023 LLVM Developers' Meeting
https://llvm.org/devmtg/2023-10
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In-IR optimizer utility testing
Speaker: Nate Chandler
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Slides: https://llvm.org/devmtg/2023-10/slide...
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Testing utility functions used by optimization passes can be a challenge. On the one hand, we'd like to be able to write tests for them the same way we do for the passes themselves: write an IR test case, run the utility on it, and FileCheck the result. On the other hand, we'd like to be able to test them like any other function: pass arguments to the utility and verify its effects. How can we do both?
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