[PATCH] D103617: [InstCombine] eliminate sext and/or trunc if value has enough signbits

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

As per 5a654bfeab588715fa6d266a7789484850605a18 <https://reviews.llvm.org/rG5a654bfeab588715fa6d266a7789484850605a18>, did you add the test where we'd form `trunc`?


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https://reviews.llvm.org/D103617