[llvm] [VPlan] Build initial VPlan 0 using HCFGBuilder for inner loops. (NFC) (PR #124432)

[Florian Hahn via llvm-commits]

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@@ -9370,16 +9400,30 @@ LoopVectorizationPlanner::tryToBuildVPlanWithVPRecipes(VFRange &Range) {
         // after them)
         // * Optimizing truncates to VPWidenIntOrFpInductionRecipe.
 
-        assert((HeaderVPBB->getFirstNonPhi() == VPBB->end() ||
-                CM.foldTailByMasking() || isa<TruncInst>(Instr)) &&
-               "unexpected recipe needs moving");
         Recipe->insertBefore(*HeaderVPBB, HeaderVPBB->getFirstNonPhi());
       } else
-        VPBB->appendRecipe(Recipe);
+        Recipe->insertBefore(&R);
+      if (Recipe->getNumDefinedValues() == 1)
+        SingleDef->replaceAllUsesWith(Recipe->getVPSingleValue());
+      else
+        assert(Recipe->getNumDefinedValues() == 0);
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fhahn wrote:

Added thanks

https://github.com/llvm/llvm-project/pull/124432