[llvm] Add support for single reductions in ComplexDeinterleavingPass (PR #112875)

[Nicholas Guy via llvm-commits]

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@@ -1511,6 +1690,7 @@ bool ComplexDeinterleavingGraph::collectPotentialReductions(BasicBlock *B) {
 }
 
 void ComplexDeinterleavingGraph::identifyReductionNodes() {
+  dbgs() << "identifyReductionNodes\n";
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NickGuy-Arm wrote:

Yep, I got all the ones from actual debugging, but not those that I had to add to debug a merge conflict. Removed.

https://github.com/llvm/llvm-project/pull/112875