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

[Florian Hahn via llvm-commits]

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@@ -587,9 +587,11 @@ static bool hasConditionalTerminator(const VPBasicBlock *VPBB) {
   }
 
   const VPRecipeBase *R = &VPBB->back();
-  bool IsCondBranch = isa<VPBranchOnMaskRecipe>(R) ||
-                      match(R, m_BranchOnCond(m_VPValue())) ||
-                      match(R, m_BranchOnCount(m_VPValue(), m_VPValue()));
+  bool IsCondBranch =
+      isa<VPBranchOnMaskRecipe>(R) || match(R, m_BranchOnCond(m_VPValue())) ||
+      match(R, m_BranchOnCount(m_VPValue(), m_VPValue())) ||
+      (isa<VPInstruction>(R) &&
+       cast<VPInstruction>(R)->getOpcode() == Instruction::Switch);
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fhahn wrote:

Done thanks!

Yes I think switches can have a single successor (just the default destination) 

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