Alan Zhao c624851037
[LoopVectorize] Fix an integer narrowing conversion in getPredBlockCostDivisor(...) (#187605)
`LoopVectorizationCostModel::getPredBlockCostDivisor(...)` may return
large `uint64_t` values that get coerced to an `unsigned` by
`VPCostContext::getPredBlockCostDivisor(...)`, which can cause division
by zero.

Fixes #187584
2026-03-23 17:22:05 +00:00
..