[PATCH] D142234: [LVI] Handle Intrinsic::ctlz

[Antonio Frighetto via Phabricator via llvm-commits]

antoniofrighetto marked an inline comment as done.
antoniofrighetto added inline comments.


================
Comment at: llvm/lib/IR/ConstantRange.cpp:1700
+  } else {
+    if (Lower.ugt(Upper))
+      std::swap(Lower, Upper);
----------------
nikic wrote:
> Can Lower be larger than Upper for a non-wrapped set?
It seems it is possible with negative numbers as well (`[0,-7)`), non-wrapped set.


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https://reviews.llvm.org/D142234