[llvm] [VPlan] Refactor VPlan creation, add transform introducing region (NFC). (PR #128419)

[via llvm-commits]

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@@ -449,16 +427,22 @@ void PlainCFGBuilder::buildPlainCFG(
     VPBasicBlock *Successor0 = getOrCreateVPBB(IRSucc0);
     VPBasicBlock *Successor1 = getOrCreateVPBB(IRSucc1);
     if (BB == LoopForBB->getLoopLatch()) {
-      // For a latch we need to set the successor of the region rather than that
-      // of VPBB and it should be set to the exit, i.e., non-header successor,
+      // For a latch we need to set the successor of the region rather
+      // than that
+      // of VPBB and it should be set to the exit, i.e., non-header
+      // successor,
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ayalz wrote:

Formatting.

https://github.com/llvm/llvm-project/pull/128419