[llvm] [VPlan] Replace VPRegionBlock with explicit CFG before execute (NFCI). (PR #117506)
via llvm-commits
llvm-commits at lists.llvm.org
Tue May 20 13:45:22 PDT 2025
================
@@ -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]};
+ }
----------------
ayalz wrote:
Can alternatively do:
```suggestion
Preds = getPredecessors()[0];
} else {
Preds = to_vector(getPredecessors());
}
```
https://github.com/llvm/llvm-project/pull/117506
More information about the llvm-commits
mailing list