[llvm] [InstSimplify] Simplify the select with integer comparison relationship (PR #66668)

[via llvm-commits]

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@@ -8294,6 +8294,17 @@ static std::optional<bool> isImpliedCondICmps(const ICmpInst *LHS,
   if (areMatchingOperands(L0, L1, R0, R1, AreSwappedOps))
     return isImpliedCondMatchingOperands(LPred, RPred, AreSwappedOps);
 
+  if (LPred == ICmpInst::ICMP_SGT) {
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goldsteinn wrote:

Should also handle the less-than variant no?

https://github.com/llvm/llvm-project/pull/66668