[llvm] [InstCombine] Improve handling of `not` and free inversion. (PR #66787)

[Nikita Popov via llvm-commits]

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@@ -233,66 +233,38 @@ class LLVM_LIBRARY_VISIBILITY InstCombiner {
                                                 PatternMatch::m_Value()));
   }
 
+  /// Return nonnull value if V is free to invert (with condition) regarding
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nikic wrote:

I'm not sure what the `(with condition)` bit here is supposed to mean.

https://github.com/llvm/llvm-project/pull/66787