[llvm] [LV] Add initial support for vectorizing literal struct return values (PR #109833)

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git-clang-format --diff 7773243d9916f98ba0ffce0c3a960e4aa9f03e81 59b3fa9c65610bb1bf6d599e44aef93e80027069 --extensions cpp,h -- llvm/include/llvm/IR/VectorUtils.h llvm/lib/IR/VectorUtils.cpp llvm/include/llvm/Analysis/VectorUtils.h llvm/include/llvm/CodeGen/BasicTTIImpl.h llvm/include/llvm/IR/DerivedTypes.h llvm/lib/Analysis/VectorUtils.cpp llvm/lib/IR/Type.cpp llvm/lib/IR/VFABIDemangler.cpp llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp 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/VPlanRecipes.cpp
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diff --git a/llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp b/llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
index 00ebd7d3c9..a0df39a875 100644
--- a/llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
+++ b/llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
@@ -945,7 +945,7 @@ bool LoopVectorizationLegality::canVectorizeInstrs() {
       // Check that the instruction return type is vectorizable.
       // We can't vectorize casts from vector type to scalar type.
       // Also, we can't vectorize extractelement instructions.
-      Type* InstTy = I.getType();
+      Type *InstTy = I.getType();
       if (!(InstTy->isVoidTy() || canWidenType(InstTy)) ||
           (isa<CastInst>(I) &&
            !VectorType::isValidElementType(I.getOperand(0)->getType())) ||

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https://github.com/llvm/llvm-project/pull/109833