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2020 Jul 10
2
Why are generic dag combines run before target dag combines?
Hi llvm-dev, I just tried to implement a target-specific dag combine to preempt a generic dag combine, and I was surprised to see that it didn't work because the generic dag combines are run first. Does anyone know the rationale for running the generic dag combines first? I would have expected the target dag combines to run first because they have more specific information about what combines