[PATCH] D117912: [IR] document and update ctlz/cttz intrinsics to optionally return poison rather than undef

[Dávid Bolvanský via Phabricator via llvm-commits]

xbolva00 added a comment.

>> unpredictable metadata may be attached to any branch or switch instruction.

maybe allow for intrinsics too?


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https://reviews.llvm.org/D117912