[llvm] [VPlan] Replace VPRegionBlock with explicit CFG before execute (NFCI). (PR #117506)

Florian Hahn via llvm-commits llvm-commits at lists.llvm.org
Sat May 24 03:45:27 PDT 2025


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@@ -424,13 +450,19 @@ void VPBasicBlock::connectToPredecessors(VPTransformState &State) {
   if (ParentLoop && !State.LI->getLoopFor(NewBB))
     ParentLoop->addBasicBlockToLoop(NewBB, *State.LI);
 
+  auto Preds = to_vector(getHierarchicalPredecessors());
+  if (VPBlockUtils::isHeader(this, State.VPDT)) {
+    // There's no block for the latch yet, connect to the preheader only.
+    Preds = {Preds[0]};
+  }
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fhahn wrote:

Updated, thanks

https://github.com/llvm/llvm-project/pull/117506


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