[llvm] [LV] Vectorize selecting last IV of min/max element. (PR #141431)

[Florian Hahn via llvm-commits]

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@@ -7994,8 +7999,8 @@ void VPRecipeBuilder::collectScaledReductions(VFRange &Range) {
             SmallVector<std::pair<PartialReductionChain, unsigned>>>
       ChainsByPhi;
   for (const auto &[Phi, RdxDesc] : Legal->getReductionVars())
-    getScaledReductions(Phi, RdxDesc.getLoopExitInstr(), Range,
-                        ChainsByPhi[Phi]);
+    if (Instruction *RdxExitInstr = RdxDesc.getLoopExitInstr())
+      getScaledReductions(Phi, RdxExitInstr, Range, ChainsByPhi[Phi]);
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fhahn wrote:

done thanks

https://github.com/llvm/llvm-project/pull/141431