[llvm] [LoopInterchange] Bail out early if minimum loop nest is not met (PR #115128)

[Madhur Amilkanthwar via llvm-commits]

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@@ -1713,6 +1721,12 @@ PreservedAnalyses LoopInterchangePass::run(LoopNest &LN,
                                            LPMUpdater &U) {
   Function &F = *LN.getParent();
 
+  SmallVector<Loop *, 8> LoopList(LN.getLoops());
+
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madhur13490 wrote:

Done

https://github.com/llvm/llvm-project/pull/115128