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

[Florian Hahn via llvm-commits]

================
@@ -9378,25 +9415,29 @@ LoopVectorizationPlanner::tryToBuildVPlanWithVPRecipes(VFRange &Range) {
         Recipe = RecipeBuilder.handleReplication(Instr, Operands, Range);
 
       RecipeBuilder.setRecipe(Instr, Recipe);
-      if (isa<VPHeaderPHIRecipe>(Recipe)) {
-        // VPHeaderPHIRecipes must be kept in the phi section of HeaderVPBB. In
-        // the following cases, VPHeaderPHIRecipes may be created after non-phi
-        // recipes and need to be moved to the phi section of HeaderVPBB:
-        // * tail-folding (non-phi recipes computing the header mask are
-        // introduced earlier than regular header phi recipes, and should appear
-        // after them)
-        // * Optimizing truncates to VPWidenIntOrFpInductionRecipe.
-
-        assert((HeaderVPBB->getFirstNonPhi() == VPBB->end() ||
-                CM.foldTailByMasking() || isa<TruncInst>(Instr)) &&
-               "unexpected recipe needs moving");
+      if (isa<VPWidenIntOrFpInductionRecipe>(Recipe) && isa<TruncInst>(Instr)) {
+        // Optimized a truncate truncates to VPWidenIntOrFpInductionRecipe Move
----------------
fhahn wrote:

Done thanks

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