[llvm] [VPlan] Add VPlan-based addMinIterCheck, replace ILV for non-epilogue. (PR #153643)

[Florian Hahn via llvm-commits]

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@@ -10260,16 +10203,17 @@ bool LoopVectorizePass::processLoop(Loop *L) {
       // If we decided that it is not legal to vectorize the loop, then
       // interleave it.
       VPlan &BestPlan = LVP.getPlanFor(VF.Width);
-      InnerLoopVectorizer Unroller(
-          L, PSE, LI, DT, TTI, AC, ElementCount::getFixed(1),
-          ElementCount::getFixed(1), IC, &CM, BFI, PSI, Checks, BestPlan);
+      InnerLoopVectorizer Unroller(L, PSE, LI, DT, TTI, AC,
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fhahn wrote:

yes, this just instantiates InnerLoopVectorizer with a different name. Will check if we can merge it with the general case (VF != 1)

https://github.com/llvm/llvm-project/pull/153643