[llvm] [VPlan] Fix VPTypeAnalysis cache clobbering in EVL transform (PR #120252)

[Florian Hahn via llvm-commits]

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@@ -1565,10 +1567,17 @@ static void transformRecipestoEVLRecipes(VPlan &Plan, VPValue &EVL) {
         VPValue *CurVPV = CurRecipe->getVPSingleValue();
         CurVPV->replaceAllUsesWith(NewRecipe->getVPSingleValue());
       }
-      CurRecipe->eraseFromParent();
+      // Defer erasing recipes till the end so that we don't invalidate the
+      // VPTypeAnalysis cache
+      ToErase.push_back(CurRecipe);
     }
-    recursivelyDeleteDeadRecipes(HeaderMask);
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fhahn wrote:

Can you add `HeaderMask` to be erased here?

https://github.com/llvm/llvm-project/pull/120252