[clang] [HLSL] [SPIR-V] Add counter member for typed buffer (PR #161414)

[Helena Kotas via cfe-commits]

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@@ -745,6 +831,30 @@ BuiltinTypeDeclBuilder &BuiltinTypeDeclBuilder::addHandleMember(
   return *this;
 }
 
+BuiltinTypeDeclBuilder &BuiltinTypeDeclBuilder::addCounterHandleMember(
+    ResourceClass RC, bool IsROV, bool RawBuffer, AccessSpecifier Access) {
+  assert(!Record->isCompleteDefinition() && "record is already complete");
+
+  ASTContext &Ctx = SemaRef.getASTContext();
+  TypeSourceInfo *ElementTypeInfo =
+      Ctx.getTrivialTypeSourceInfo(getHandleElementType(), SourceLocation());
+
+  // add handle member with resource type attributes
+  QualType AttributedResTy = QualType();
+  SmallVector<const Attr *> Attrs = {
+      HLSLResourceClassAttr::CreateImplicit(Ctx, RC),
+      IsROV ? HLSLROVAttr::CreateImplicit(Ctx) : nullptr,
+      RawBuffer ? HLSLRawBufferAttr::CreateImplicit(Ctx) : nullptr,
+      ElementTypeInfo
+          ? HLSLContainedTypeAttr::CreateImplicit(Ctx, ElementTypeInfo)
+          : nullptr,
+      HLSLIsCounterAttr::CreateImplicit(Ctx)};
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hekota wrote:

This is almost the same as in `addHandleMember` and might be worth putting in a shared function.

https://github.com/llvm/llvm-project/pull/161414