================
@@ -3303,6 +3303,27 @@ void CodeGenModule::EmitDeferred() {
CurDeclsToEmit.swap(DeferredDeclsToEmit);
for (GlobalDecl &D : CurDeclsToEmit) {
+ // Functions declared with the sycl_kernel_entry_point attribute are
+ // emitted normally during host compilation. During device compilation,
+ // a SYCL kernel caller offload entry point function is generated and
+ // emitted in place of each of these functions.
+ if (const auto *FD = D.getDecl()->getAsFunction()) {
+ if (LangOpts.SYCLIsDevice && FD->hasAttr<SYCLKernelEntryPointAttr>() &&
+ FD->isDefined()) {
+ // Functions with an invalid sycl_kernel_entry_point attribute are
+ // ignored during device compilation.
+ if (!FD->getAttr<SYCLKernelEntryPointAttr>()->isInvalidAttr()) {
+ // Generate and emit the SYCL kernel caller function.
+ EmitSYCLKernelCaller(FD, getContext());
+ // Recurse to emit any symbols directly or indirectly referenced
+ // by the SYCL kernel caller function.
+ EmitDeferred();
----------------
tahonermann wrote:
I misunderstood your question. We can't continue because we don't need or want
to emit `D` on the device side and there is no `GlobalDecl` object
corresponding to the SYCL kernel caller function that we can substitute for it.
The call to `EmitDeferred()` here substitutes for not reaching the call at line
3363.
https://github.com/llvm/llvm-project/pull/133030
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