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Commit 395607af authored by Juneyoung Lee's avatar Juneyoung Lee Committed by Nikita Popov
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Reapply [ConstantFold] Fold more operations to poison

This was reverted to mitigate mitigate miscompiles caused by
the logical and/or to bitwise and/or fold. Reapply it now that
the underlying issue has been fixed by D101191.

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This patch folds more operations to poison.

Alive2 proof: https://alive2.llvm.org/ce/z/mxcb9G (it does not contain tests about div/rem because they fold to poison when raising UB)

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D92270
parent d020dd2b
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