[PATCH] D92095: [DAG] Legalize abs(x) -> smax(x,sub(0,x)) iff smax/sub are legal

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

In D92095#2416168 <https://reviews.llvm.org/D92095#2416168>, @lebedev.ri wrote:

> Remind me, for `ISD::ABS`, what happens for `INT_MIN` input?
> https://alive2.llvm.org/ce/z/_KMTWi
> https://alive2.llvm.org/ce/z/p8CnZa



  /// ABS - Determine the unsigned absolute value of a signed integer value of
  /// the same bitwidth.
  /// Note: A value of INT_MIN will return INT_MIN, no saturation or overflow
  /// is performed.
  ABS,


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