Kazu Hirata 912404db78 [ControlHeightReduction] Freeze potentially poisonous conditions ...

This patch freezes potentially poisonous conditions in conditional
branches so that we do not "move up" conditional branches
"br i1 poison".

Differential Revision: https://reviews.llvm.org/D145008

2023-03-07 13:20:21 -08:00

79 KiB

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