[PATCH] D25913: [InstCombine] Fold nuw left-shifts in `ugt`/`ule` comparisons.

[bryant via llvm-commits]

bryant updated this revision to Diff 76222.
bryant added a comment.

- Comment fixes. `-1 => ~0u`.
- Add sanity assertion for ult.


Repository:
  rL LLVM

https://reviews.llvm.org/D25913

Files:
  lib/Transforms/InstCombine/InstCombineCompares.cpp
  test/Transforms/InstCombine/icmp-shl-nuw.ll

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