Florian Hahn 4226e0a0c7 [TTI] Add SCEVExpansionBudget to loop unrolling options. (#118316) ...

Add an extra know to UnrollingPreferences to let backends control the
maximum budget for SCEV expansions.

This gives backends more fine-grained control on the cost of the runtime
checks for runtime unrolling.

PR: https://github.com/llvm/llvm-project/pull/118316

2024-12-02 21:35:00 +00:00

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