[PATCH] D125983: [DeadArgElim] Use poison instead of undef as placeholder for dead arguments

[Florian Hahn via Phabricator via llvm-commits]

fhahn accepted this revision.
fhahn added a comment.

LGTM, thanks!



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Comment at: llvm/test/Transforms/DeadArgElim/NoundefAttrs.ll:3
 
 ; If caller is changed to pass in undef, noundef, dereferenceable and other
 ; attributes that imply immediate undefined behavior should be delete.
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`undef` -> `poison`?


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