[llvm] [VPlan] Invert condition if needed when creating inner regions. (PR #132292)

Florian Hahn via llvm-commits llvm-commits at lists.llvm.org
Sat Apr 26 13:29:52 PDT 2025


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@@ -420,6 +420,17 @@ static void createLoopRegion(VPlan &Plan, VPBlockBase *HeaderVPB) {
   auto *PreheaderVPBB = HeaderVPB->getPredecessors()[0];
   auto *LatchVPBB = HeaderVPB->getPredecessors()[1];
 
+  // We are canonicalizing the successors of the latch when introducing the
+  // region. We will exit the region of the latch condition is true; invert the
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fhahn wrote:

done thanks

https://github.com/llvm/llvm-project/pull/132292


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