Nikita Popov 6ffb3ad631 [SCEV] Use constant ranges when determining reachable blocks (PR54434) ...

This avoids false positive verification failures if the condition
is not literally true/false, but SCEV still makes use of the fact
that a loop is not reachable through more complex reasoning.

Fixes https://github.com/llvm/llvm-project/issues/54434.

2022-03-18 12:04:35 +01:00

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