[llvm] [VPlan] Hook IR blocks into VPlan during skeleton creation (NFC) (PR #114292)

[Florian Hahn via llvm-commits]

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@@ -4177,10 +4176,6 @@ class VPBlockUtils {
                             unsigned PredIdx = -1u, unsigned SuccIdx = -1u) {
     assert((From->getParent() == To->getParent()) &&
            "Can't connect two block with different parents");
-    assert((SuccIdx != -1u || From->getNumSuccessors() < 2) &&
-           "Blocks can't have more than two successors.");
-    assert((PredIdx != -1u || To->getNumPredecessors() < 2) &&
-           "Blocks can't have more than two predecessors.");
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fhahn wrote:

The second one doesn't hold any more, e.g. scalar.ph can now have more than 2 predecessors. Restored the first one.

https://github.com/llvm/llvm-project/pull/114292