[clang] [AMDGPU][Clang] add __builtin_amdgcn_av_(load|store)_b128 (PR #199176)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,cl,h -- clang/test/CodeGenOpenCL/builtins-amdgcn-global-load-store.cl clang/test/SemaOpenCL/builtins-amdgcn-global-load-store-error.cl clang/test/SemaOpenCL/builtins-amdgcn-global-load-store-target-error.cl clang/include/clang/Sema/SemaAMDGPU.h clang/lib/CodeGen/TargetBuiltins/AMDGPU.cpp clang/lib/Sema/SemaAMDGPU.cpp --diff_from_common_commit
``````````

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changing `origin/main` to the base branch/commit you want to compare against.
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View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/Sema/SemaAMDGPU.cpp b/clang/lib/Sema/SemaAMDGPU.cpp
index cf412a94c..328a12d5e 100644
--- a/clang/lib/Sema/SemaAMDGPU.cpp
+++ b/clang/lib/Sema/SemaAMDGPU.cpp
@@ -475,13 +475,13 @@ static bool checkScopeAsInt(SemaAMDGPU &S, Expr *Scope) {
     return false;
   auto ScopeModel = AtomicScopeModel::create(AtomicScopeModelKind::Generic);
   if (std::optional<llvm::APSInt> Result =
-      Scope->getIntegerConstantExpr(S.SemaRef.Context)) {
+          Scope->getIntegerConstantExpr(S.SemaRef.Context)) {
     if (!ScopeModel->isValid(Result->getZExtValue())) {
       return S.Diag(Scope->getBeginLoc(),
                     diag::err_atomic_op_has_invalid_sync_scope)
              << Scope->getSourceRange();
     }
-  }    
+  }
   return false;
 }
 

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https://github.com/llvm/llvm-project/pull/199176