[clang] [llvm] [HLSL] Add `Increment`/`DecrementCounter` methods to structured buffers (PR #114148)

[Justin Bogner via cfe-commits]

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@@ -12,44 +12,51 @@
 #include "clang/Sema/HLSLExternalSemaSource.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/Attr.h"
+#include "clang/AST/Decl.h"
 #include "clang/AST/DeclCXX.h"
+#include "clang/AST/Expr.h"
 #include "clang/AST/Type.h"
 #include "clang/Basic/SourceLocation.h"
 #include "clang/Sema/Lookup.h"
 #include "clang/Sema/Sema.h"
 #include "clang/Sema/SemaHLSL.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Frontend/HLSL/HLSLResource.h"
+#include "llvm/Support/ErrorHandling.h"
 
 #include <functional>
 
 using namespace clang;
 using namespace llvm::hlsl;
 
+static FunctionDecl *lookupBuiltinFunction(Sema &S, StringRef Name);
+
 namespace {
 
 struct TemplateParameterListBuilder;
 
 struct BuiltinTypeDeclBuilder {
+  Sema &S;
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bogner wrote:

Can we use a longer name for this? Single variable member names are uncomfortably likely to collide with local names and cause confusion.

https://github.com/llvm/llvm-project/pull/114148