[llvm] [VPlan] Make CanIV part of region. (PR #144803)

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git-clang-format --diff HEAD~1 HEAD --extensions cpp,h -- llvm/lib/Transforms/Vectorize/LoopVectorize.cpp llvm/lib/Transforms/Vectorize/VPlan.cpp llvm/lib/Transforms/Vectorize/VPlan.h llvm/lib/Transforms/Vectorize/VPlanAnalysis.cpp llvm/lib/Transforms/Vectorize/VPlanConstruction.cpp llvm/lib/Transforms/Vectorize/VPlanPatternMatch.h llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp llvm/lib/Transforms/Vectorize/VPlanUtils.cpp llvm/lib/Transforms/Vectorize/VPlanValue.h llvm/lib/Transforms/Vectorize/VPlanVerifier.cpp llvm/unittests/Transforms/Vectorize/VPlanHCFGTest.cpp llvm/unittests/Transforms/Vectorize/VPlanPatternMatchTest.cpp llvm/unittests/Transforms/Vectorize/VPlanVerifierTest.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Transforms/Vectorize/VPlanConstruction.cpp b/llvm/lib/Transforms/Vectorize/VPlanConstruction.cpp
index a1b5ae702..eac6e3db7 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanConstruction.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanConstruction.cpp
@@ -415,8 +415,8 @@ static void createLoopRegion(VPlan &Plan, VPBlockBase *HeaderVPB) {
   if (!HeaderVPB->getParent())
     ScalarCanIV = cast<VPPhi>(&*cast<VPBasicBlock>(HeaderVPB)->begin());
 
-  auto *R = Plan.createVPRegionBlock(
-      ScalarCanIV ? ScalarCanIV->getOperand(0) : nullptr);
+  auto *R = Plan.createVPRegionBlock(ScalarCanIV ? ScalarCanIV->getOperand(0)
+                                                 : nullptr);
   VPBlockUtils::insertOnEdge(LatchVPBB, LatchExitVPB, R);
   VPBlockUtils::disconnectBlocks(LatchVPBB, R);
   VPBlockUtils::connectBlocks(PreheaderVPBB, R);
diff --git a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
index afe4b3d0d..e141fddc6 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanTransforms.cpp
@@ -1493,7 +1493,8 @@ static bool simplifyBranchConditionForVFAndUF(VPlan &Plan, ElementCount BestVF,
   // (BranchOnCond true).
   auto *Header = cast<VPBasicBlock>(VectorRegion->getEntry());
   auto *CanIVTy = Plan.getCanonicalIV()->getScalarType();
-  if (all_of(Header->phis(), IsaPred<VPEVLBasedIVPHIRecipe,VPFirstOrderRecurrencePHIRecipe>)) {
+  if (all_of(Header->phis(),
+             IsaPred<VPEVLBasedIVPHIRecipe, VPFirstOrderRecurrencePHIRecipe>)) {
     for (VPRecipeBase &HeaderR : make_early_inc_range(Header->phis())) {
       auto *HeaderPhiR = cast<VPHeaderPHIRecipe>(&HeaderR);
       HeaderPhiR->replaceAllUsesWith(HeaderPhiR->getStartValue());

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https://github.com/llvm/llvm-project/pull/144803