[clang] [llvm] Explicit types in cbuffer layouts (PR #156919)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,c,cpp -- clang/lib/Basic/Targets/DirectX.h clang/lib/CodeGen/CGExpr.cpp clang/lib/CodeGen/CGExprAgg.cpp clang/lib/CodeGen/CGHLSLRuntime.cpp clang/lib/CodeGen/CGHLSLRuntime.h clang/lib/CodeGen/HLSLBufferLayoutBuilder.cpp clang/lib/CodeGen/HLSLBufferLayoutBuilder.h clang/lib/CodeGen/Targets/DirectX.cpp clang/lib/CodeGen/Targets/SPIR.cpp clang/test/CodeGenHLSL/basic-target.c llvm/include/llvm/Analysis/DXILResource.h llvm/lib/Analysis/DXILResource.cpp llvm/lib/Frontend/HLSL/CBuffer.cpp llvm/lib/Target/DirectX/DXILCBufferAccess.cpp llvm/lib/Target/DirectX/DirectXTargetMachine.cpp
``````````

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``````````diff
diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp
index 42687a94d..2b7d488af 100644
--- a/clang/lib/CodeGen/CGExpr.cpp
+++ b/clang/lib/CodeGen/CGExpr.cpp
@@ -4682,7 +4682,7 @@ LValue CodeGenFunction::EmitArraySubscriptExpr(const ArraySubscriptExpr *E,
   } else if (E->getType().getAddressSpace() == LangAS::hlsl_constant) {
     // This is an array inside of a cbuffer.
     Addr = EmitPointerWithAlignment(E->getBase(), &EltBaseInfo, &EltTBAAInfo);
-    auto *Idx = EmitIdxAfterBase(/*Promote*/true);
+    auto *Idx = EmitIdxAfterBase(/*Promote*/ true);
 
     // ...
     CharUnits RowAlignedSize = getContext()
@@ -4694,7 +4694,7 @@ LValue CodeGenFunction::EmitArraySubscriptExpr(const ArraySubscriptExpr *E,
     llvm::Value *ScaledIdx = Builder.CreateMul(Idx, RowAlignedSizeVal);
 
     CharUnits EltAlign =
-      getArrayElementAlign(Addr.getAlignment(), Idx, RowAlignedSize);
+        getArrayElementAlign(Addr.getAlignment(), Idx, RowAlignedSize);
     llvm::Value *EltPtr =
         emitArraySubscriptGEP(*this, Int8Ty, Addr.emitRawPointer(*this),
                               ScaledIdx, false, SignedIndices, E->getExprLoc());

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https://github.com/llvm/llvm-project/pull/156919