[llvm] [SCEV] Collect and merge loop guards through PHI nodes with multiple incoming values (PR #113915)

Julian Nagele via llvm-commits llvm-commits at lists.llvm.org
Fri Nov 8 05:04:41 PST 2024


juliannagele wrote:

> Haven't looked at the implementation yet, but this change has some compile-time impact: https://llvm-compile-time-tracker.com/compare.php?from=a256e89fd1b9f42d3f29df42d4f21ea823476ff3&to=24ca499a1d02f88bee077c2a3135dfae8f1094fe&stat=instructions:u

Thanks for checking! I've limited the recursion depth to 1 as Florian suggested; that should hopefully help with compile times.

https://github.com/llvm/llvm-project/pull/113915


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