[PATCH] D93818: [LangRef] Update shufflevector's semantics to return poison if the mask is undef

[Johannes Doerfert via Phabricator via llvm-commits]

jdoerfert added inline comments.


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Comment at: llvm/docs/LangRef.rst:9453
 literals for a vector with a length unknown at compile time.
 
 Example:
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Don't we need  to talk about both poison and undef now? Sufflemask, for example, can still be undef, no?


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  https://reviews.llvm.org/D93818/new/

https://reviews.llvm.org/D93818