[SYCL] Fix build issue that appeared in self-build (#7881)

1. Define __SYCL_TYPE to empty unless compiling in SYCL device mode
2. Skip sycl_type arguments correctness unless compiling in SYCL device mode

Author: romanovvlad

clang/include/clang/Basic/Attr.td

@@ -1325,7 +1325,7 @@ def SYCLSpecialClass: InheritableAttr {
 def SYCLType: InheritableAttr {
   let Spellings = [CXX11<"__sycl_detail__", "sycl_type">];
   let Subjects = SubjectList<[CXXRecord, Enum], ErrorDiag>;
-  let LangOpts = [SYCLIsDevice, SYCLIsHost];
+  let LangOpts = [SYCLIsDevice, SilentlyIgnoreSYCLIsHost];
   let Args = [EnumArgument<"Type", "SYCLType",
                            ["accessor", "local_accessor", "spec_constant",
                             "specialization_id", "kernel_handler", "buffer_location",

clang/lib/Sema/SemaDeclAttr.cpp

@@ -10710,6 +10710,11 @@ void Sema::AddSYCLDeviceHasAttr(Decl *D, const AttributeCommonInfo &CI,
 }
 
 static void handleSYCLDeviceHasAttr(Sema &S, Decl *D, const ParsedAttr &A) {
+  // Ignore the attribute if compiling for the host side because aspects may not
+  // be marked properly for such compilation
+  if (!S.Context.getLangOpts().SYCLIsDevice)
+    return;
+
   SmallVector<Expr *, 5> Args;
   for (unsigned I = 0; I < A.getNumArgs(); ++I)
     Args.push_back(A.getArgAsExpr(I));
@@ -10751,6 +10756,11 @@ void Sema::AddSYCLUsesAspectsAttr(Decl *D, const AttributeCommonInfo &CI,
 }
 
 static void handleSYCLUsesAspectsAttr(Sema &S, Decl *D, const ParsedAttr &A) {
+  // Ignore the attribute if compiling for the host because aspects may not be
+  // marked properly for such compilation
+  if (!S.Context.getLangOpts().SYCLIsDevice)
+    return;
+
   SmallVector<Expr *, 5> Args;
   for (unsigned I = 0; I < A.getNumArgs(); ++I)
     Args.push_back(A.getArgAsExpr(I));

sycl/include/sycl/detail/defines.hpp

@@ -21,13 +21,20 @@
 #endif
 #endif
 
+// FIXME Check for  __SYCL_DEVICE_ONLY__ can be removed if implementation of
+// __has_attribute is fixed to consider LangOpts when generating attributes in
+// tablegen.
 #if __has_attribute(sycl_special_class) && (defined __SYCL_DEVICE_ONLY__)
 #define __SYCL_SPECIAL_CLASS __attribute__((sycl_special_class))
 #else
 #define __SYCL_SPECIAL_CLASS
 #endif
 
-#if __has_cpp_attribute(__sycl_detail__::sycl_type)
+// FIXME Check for  __SYCL_DEVICE_ONLY__ can be removed if implementation of
+// __has_attribute is fixed to consider LangOpts when generating attributes in
+// tablegen.
+#if __has_cpp_attribute(__sycl_detail__::sycl_type) &&                         \
+    (defined __SYCL_DEVICE_ONLY__)
 #define __SYCL_TYPE(x) [[__sycl_detail__::sycl_type(x)]]
 #else
 #define __SYCL_TYPE(x)