[llvm] [SROA][TTI][DirectX] Add support for struct alloca decomposition (PR #161601)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- llvm/include/llvm/Analysis/TargetTransformInfo.h llvm/include/llvm/Analysis/TargetTransformInfoImpl.h llvm/include/llvm/Transforms/Scalar.h llvm/include/llvm/Transforms/Scalar/SROA.h llvm/lib/Analysis/TargetTransformInfo.cpp llvm/lib/Passes/PassBuilder.cpp llvm/lib/Target/DirectX/DirectXTargetMachine.cpp llvm/lib/Target/DirectX/DirectXTargetTransformInfo.cpp llvm/lib/Target/DirectX/DirectXTargetTransformInfo.h llvm/lib/Transforms/Scalar/SROA.cpp
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``````````diff
diff --git a/llvm/lib/Transforms/Scalar/SROA.cpp b/llvm/lib/Transforms/Scalar/SROA.cpp
index f62bbe23b..1e21f9036 100644
--- a/llvm/lib/Transforms/Scalar/SROA.cpp
+++ b/llvm/lib/Transforms/Scalar/SROA.cpp
@@ -6689,9 +6689,8 @@ void SROAPass::printPipeline(
     raw_ostream &OS, function_ref<StringRef(StringRef)> MapClassName2PassName) {
   static_cast<PassInfoMixin<SROAPass> *>(this)->printPipeline(
       OS, MapClassName2PassName);
-  OS << (Options.PCFGOption == SROAOptions::PreserveCFG
-             ? "<preserve-cfg>"
-             : "<modify-cfg>");
+  OS << (Options.PCFGOption == SROAOptions::PreserveCFG ? "<preserve-cfg>"
+                                                        : "<modify-cfg>");
 }
 
 SROAPass::SROAPass(SROAOptions::PreserveCFGOption PreserveCFG)
@@ -6707,10 +6706,9 @@ class SROALegacyPass : public FunctionPass {
 public:
   static char ID;
 
-  SROALegacyPass(
-      const SROAOptions &Options =
-          {SROAOptions::PreserveCFGOption::PreserveCFG,
-           SROAOptions::DecomposeStructsOption::NoDecomposeStructs})
+  SROALegacyPass(const SROAOptions &Options =
+                     {SROAOptions::PreserveCFGOption::PreserveCFG,
+                      SROAOptions::DecomposeStructsOption::NoDecomposeStructs})
       : FunctionPass(ID), Options(Options) {
     initializeSROALegacyPassPass(*PassRegistry::getPassRegistry());
   }

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https://github.com/llvm/llvm-project/pull/161601