[llvm] [SLP] Make getSameOpcode support different instructions if they have same semantics. (PR #112181)

[Alexey Bataev via llvm-commits]

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@@ -3244,15 +3412,25 @@ class BoUpSLP {
       auto *I0 = cast<Instruction>(Scalars[0]);
       Operands.resize(I0->getNumOperands());
       unsigned NumLanes = Scalars.size();
-      for (unsigned OpIdx = 0, NumOperands = I0->getNumOperands();
-           OpIdx != NumOperands; ++OpIdx) {
+      unsigned NumOperands = I0->getNumOperands();
+      for (unsigned OpIdx = 0; OpIdx != NumOperands; ++OpIdx)
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alexey-bataev wrote:

Same, use seq

https://github.com/llvm/llvm-project/pull/112181