================
@@ -1015,6 +1016,94 @@ Sema::SemaDiagnosticBuilder
SemaCUDA::DiagIfHostCode(SourceLocation Loc,
return SemaDiagnosticBuilder(DiagKind, Loc, DiagID, CurFunContext, SemaRef);
}
+bool SemaCUDA::isDeviceVarInit() const {
+ return CurCUDATargetCtx.Kind == CTCK_InitGlobalVar &&
+ CurCUDATargetCtx.Target == CUDAFunctionTarget::Device;
+}
+
+void SemaCUDA::checkRTTIUse(SourceLocation Loc, StringRef Op) {
+ assert(getLangOpts().CUDA && "Should only be called during CUDA
compilation");
+ // A default argument is checked where it is used.
+ if (isa_and_present<ParmVarDecl>(
+ SemaRef.currentEvaluationContext().ManglingContextDecl))
+ return;
+
+ if (SemaRef.getCurFunctionDecl(/*AllowLambda=*/true)) {
+ DiagIfDeviceCode(Loc, diag::err_cuda_device_rtti) << Op << CurrentTarget();
+ return;
+ }
+
+ // Outside a function, only the initializer of a device variable is device
+ // code. A default member initializer is checked where it is used.
+ if (isDeviceVarInit())
+ Diag(Loc, diag::err_cuda_device_rtti_var_init) << Op;
+}
+
+namespace {
+/// Finds a use of RTTI, as diagnosed by checkRTTIUse, in a default argument or
+/// default member initializer.
+struct RTTIUseFinder : DynamicRecursiveASTVisitor {
----------------
steffenlarsen wrote:
Good call. Migrated to that instead.
https://github.com/llvm/llvm-project/pull/228469
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