[llvm] [SelectOpt] Add handling for Select-like operations. (PR #77284)

[Sotiris Apostolakis via llvm-commits]

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@@ -1038,7 +1191,7 @@ SelectOptimizeImpl::computeInstCost(const Instruction *I) {
 }
 
 ScaledNumber<uint64_t>
-SelectOptimizeImpl::getMispredictionCost(const SelectInst *SI,
+SelectOptimizeImpl::getMispredictionCost(SelectLike SI,
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sapostolakis wrote:

ignore the reference point as discussed in the other comment but for the const part, could we keep it here? 

https://github.com/llvm/llvm-project/pull/77284