[PATCH] D41924: dagcombine: Transfer debug information when folding (zext (truncate x)) -> (zext (truncate x))

[Paul Robinson via Phabricator via llvm-commits]

probinson added a comment.

>   the dagcombine rule (zext (truncate x)) -> (zext (truncate x)).

Are my eyes going bad (well, they are, but more than usual) or do both sides of this rule say the same thing?


Repository:
  rL LLVM

https://reviews.llvm.org/D41924