[llvm] [VPlan] Simplify and strengthen Replicate::execute (NFC) (PR #196055)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp --diff_from_common_commit
``````````

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``````````diff
diff --git a/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp b/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
index 1f560fccb..015fb96e9 100644
--- a/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
+++ b/llvm/lib/Transforms/Vectorize/VPlanRecipes.cpp
@@ -3264,7 +3264,8 @@ void VPReductionEVLRecipe::printRecipe(raw_ostream &O, const Twine &Indent,
 #endif
 
 void VPReplicateRecipe::execute(VPTransformState &State) {
-  assert(!State.Lane && !getRegion() && "Replicate regions must be dissolved before ::execute");
+  assert(!State.Lane && !getRegion() &&
+         "Replicate regions must be dissolved before ::execute");
   assert(IsSingleScalar && "VPReplicateRecipes outside replicate regions "
                            "must have already been unrolled");
   State.setDebugLocFrom(getDebugLoc());

``````````

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https://github.com/llvm/llvm-project/pull/196055