[llvm] [VPlan] Introduce child regions as VPlan transform. (PR #129402)

[Florian Hahn via llvm-commits]

================
@@ -130,43 +98,23 @@ void PlainCFGBuilder::fixHeaderPhis() {
     auto *VPPhi = cast<VPWidenPHIRecipe>(VPVal);
     assert(VPPhi->getNumOperands() == 0 &&
            "Expected VPInstruction with no operands.");
-
-    Loop *L = LI->getLoopFor(Phi->getParent());
-    assert(isHeaderBB(Phi->getParent(), L));
+    assert(isHeaderBB(Phi->getParent(), LI->getLoopFor(Phi->getParent())));
----------------
fhahn wrote:

Done thanks

https://github.com/llvm/llvm-project/pull/129402