[llvm] [CodeGen] Expand fmaximum/fminimum reductions (PR #195169)

[Matt Arsenault via llvm-commits]

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@@ -475,6 +475,16 @@ InstructionCost WebAssemblyTTIImpl::getPartialReductionCost(
   return Invalid;
 }
 
+bool WebAssemblyTTIImpl::shouldExpandReduction(const IntrinsicInst *II) const {
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arsenm wrote:

This TTI hook really shouldn't exist. The expansion pass should go based on whether the operation for the corresponding node is Expand 

https://github.com/llvm/llvm-project/pull/195169