[clang] counter var3 (PR #162291)

[Helena Kotas via cfe-commits]

================
@@ -903,6 +938,73 @@ BuiltinTypeDeclBuilder &BuiltinTypeDeclBuilder::addCreateFromImplicitBinding() {
       .finalize();
 }
 
+BuiltinTypeDeclBuilder &
+BuiltinTypeDeclBuilder::addCreateFromBindingWithImplicitCounter() {
+  if (Record->isCompleteDefinition())
+    return *this;
+
+  using PH = BuiltinTypeMethodBuilder::PlaceHolder;
+  ASTContext &AST = SemaRef.getASTContext();
+  QualType HandleType = getResourceHandleField()->getType();
+  QualType RecordType = AST.getTypeDeclType(cast<TypeDecl>(Record));
+  BuiltinTypeMethodBuilder::LocalVar TmpVar("tmp", RecordType);
+
+  return BuiltinTypeMethodBuilder(*this,
+                                  "__createFromBindingWithImplicitCounter",
+                                  RecordType, false, false, SC_Static)
+      .addParam("registerNo", AST.UnsignedIntTy)
+      .addParam("spaceNo", AST.UnsignedIntTy)
+      .addParam("range", AST.IntTy)
+      .addParam("index", AST.UnsignedIntTy)
+      .addParam("name", AST.getPointerType(AST.CharTy.withConst()))
+      .addParam("counterOrderId", AST.UnsignedIntTy)
+      .declareLocalVar(TmpVar)
+      .accessHandleFieldOnResource(TmpVar)
+      .callBuiltin("__builtin_hlsl_resource_handlefrombinding", HandleType,
+                   PH::LastStmt, PH::_0, PH::_1, PH::_2, PH::_3, PH::_4)
+      .setHandleFieldOnResource(TmpVar, PH::LastStmt)
+      .accessHandleFieldOnResource(TmpVar)
+      .callBuiltin("__builtin_hlsl_resource_counterhandlefromimplicitbinding",
+                   HandleType, PH::LastStmt, PH::_5, PH::_1)
+      .setCounterHandleFieldOnResource(TmpVar, PH::LastStmt)
+      .returnValue(TmpVar)
+      .finalize();
+}
+
+BuiltinTypeDeclBuilder &
+BuiltinTypeDeclBuilder::addCreateFromImplicitBindingWithImplicitCounter() {
+  if (Record->isCompleteDefinition())
+    return *this;
----------------
hekota wrote:

```suggestion
assert(!Record->isCompleteDefinition() && "record is already complete");
```

https://github.com/llvm/llvm-project/pull/162291