[PATCH] D48763: [SimplifyIndVar] Canonicalize comparisons to unsigned while eliminating truncs

[Max Kazantsev via Phabricator via llvm-commits]

mkazantsev created this revision.
mkazantsev added reviewers: reames, greened, sanjoy.

This is a follow-up for the patch https://reviews.llvm.org/rL335020. When we replace compares against
trunc with compares against wide IV, we can also replace signed predicates with
unsigned where it is legal.


https://reviews.llvm.org/D48763

Files:
  lib/Transforms/Utils/SimplifyIndVar.cpp
  test/Transforms/IndVarSimplify/eliminate-trunc.ll

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