The behavior of bounds check optimizations is affected by how values are treated as indices. Zero-extension is used instead of sign extension when negative values are not permissible. The conversion into BigInt hampers optimization by using Int32ToIntPtr, and out object returns complicate processes further. ExtractLinearSum used in bounds check hoisting risks misleading loop iteration conclusions, especially with unchecked wrapping additions. Such inaccuracies could lead to infinite loops, albeit mitigated by the timing of compilation stages that prevent certain optimizations from being exploited.
The optimization of returning a BigInt through the out object prevents it from being optimized away, complicating the usage of the index in load and bounds checks.
Loop analyses utilizing ExtractLinearSum can inaccurately conclude iteration limits, especially when unchecked wrapping additions interfere with loop invariants, leading to potential infinite loops.
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