[llvm] [llvm] Optimize usub.sat fix for #79690 (PR #151044)

[Yingwei Zheng via llvm-commits]

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@@ -1713,7 +1712,6 @@ tryToReuseConstantFromSelectInComparison(SelectInst &Sel, ICmpInst &Cmp,
   if (Pred == CmpInst::ICMP_ULT && match(X, m_Add(m_Value(), m_Constant())))
     return nullptr;
 
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dtcxzyw wrote:

Remove unrelated changes.

https://github.com/llvm/llvm-project/pull/151044