Nikita Popov 7ba484660b [ControlHeightReduction] Freeze condition when converting select to branch ...

While select conditions can be poison, branch on poison is
immediate UB. As such, we need to freeze the condition when
converting a select into a branch.

Differential Revision: https://reviews.llvm.org/D125398

2022-05-16 10:37:26 +02:00

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