[llvm] [VPlan] Model branch cond to enter scalar epilogue in VPlan. (PR #92651)

[via llvm-commits]

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@@ -160,10 +160,6 @@ bool VPlanVerifier::verifyVPBasicBlock(const VPBasicBlock *VPBB) {
     errs() << "Same IR basic block used by multiple wrapper blocks!\n";
     return false;
   }
-  if (IRBB != IRBB->getPlan()->getPreheader()) {
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ayalz wrote:

Extend the check for all expected usages of VPIRBB's?

https://github.com/llvm/llvm-project/pull/92651