[libc] [libcxx] [lld] [compiler-rt] [clang-tools-extra] [llvm] [clang] [lldb] [flang] [VPlan] Implement cloning of VPlans. (PR #73158)

[Florian Hahn via cfe-commits]

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@@ -10078,7 +10078,7 @@ bool LoopVectorizePass::processLoop(Loop *L) {
         EpilogueVectorizerMainLoop MainILV(L, PSE, LI, DT, TLI, TTI, AC, ORE,
                                            EPI, &LVL, &CM, BFI, PSI, Checks);
 
-        VPlan &BestMainPlan = LVP.getBestPlanFor(EPI.MainLoopVF);
+        VPlan &BestMainPlan = *LVP.getBestPlanFor(EPI.MainLoopVF).clone();
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fhahn wrote:

Yes exactly!

https://github.com/llvm/llvm-project/pull/73158