; LLVM IR from AdaptiveCpp/AdaptiveCpp :: src/runtime (inorder_executor)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.hipsycl::rt::device_id" = type { %"struct.hipsycl::rt::backend_descriptor", i32 }
%"struct.hipsycl::rt::backend_descriptor" = type { i32, i32, i32 }
%"class.hipsycl::rt::inorder_executor" = type { %"class.hipsycl::rt::backend_executor", %"class.std::unique_ptr", %"struct.std::atomic" }
%"class.hipsycl::rt::backend_executor" = type { ptr }
%"class.std::unique_ptr" = type { %"struct.std::__uniq_ptr_data" }
%"struct.std::__uniq_ptr_data" = type { %"class.std::__uniq_ptr_impl" }
%"class.std::__uniq_ptr_impl" = type { %"class.std::tuple" }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Head_base.1" }
%"struct.std::_Head_base.1" = type { ptr }
%"struct.std::atomic" = type { %"struct.std::__atomic_base" }
%"struct.std::__atomic_base" = type { i64 }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrIN7hipsycl2rt13inorder_queueESt14default_deleteIS2_EEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZNK7hipsycl2rt16inorder_executor21can_execute_on_deviceERKNS0_9device_idE(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(16) %1) unnamed_addr #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.hipsycl::rt::device_id", align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %5) #3
  %7 = getelementptr inbounds %"class.hipsycl::rt::inorder_executor", ptr %6, i32 0, i32 1
  %8 = call noundef ptr @_ZNKSt10unique_ptrIN7hipsycl2rt13inorder_queueESt14default_deleteIS2_EEptEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #3
  %9 = load ptr, ptr %8, align 8, !tbaa !9
  %10 = getelementptr inbounds ptr, ptr %9, i64 9
  %11 = load ptr, ptr %10, align 8
  %12 = call { i64, i64 } %11(ptr noundef nonnull align 8 dereferenceable(8) %8)
  %13 = getelementptr inbounds { i64, i64 }, ptr %5, i32 0, i32 0
  %14 = extractvalue { i64, i64 } %12, 0
  store i64 %14, ptr %13, align 4
  %15 = getelementptr inbounds { i64, i64 }, ptr %5, i32 0, i32 1
  %16 = extractvalue { i64, i64 } %12, 1
  store i64 %16, ptr %15, align 4
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = call noundef zeroext i1 @_ZN7hipsycl2rteqERKNS0_9device_idES3_(ptr noundef nonnull align 4 dereferenceable(16) %5, ptr noundef nonnull align 4 dereferenceable(16) %17)
  call void @llvm.lifetime.end.p0(i64 16, ptr %5) #3
  ret i1 %18
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN7hipsycl2rteqERKNS0_9device_idES3_(ptr noundef nonnull align 4 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(16)) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"vtable pointer", !8, i64 0}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.hipsycl::rt::device_id" = type { %"struct.hipsycl::rt::backend_descriptor", i32 }
%"struct.hipsycl::rt::backend_descriptor" = type { i32, i32, i32 }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrIN7hipsycl2rt13inorder_queueESt14default_deleteIS2_EEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZNK7hipsycl2rt16inorder_executor21can_execute_on_deviceERKNS0_9device_idE(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(16) %1) unnamed_addr #2 align 2 {
  %3 = alloca %"class.hipsycl::rt::device_id", align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %3) #3
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  %5 = tail call noundef ptr @_ZNKSt10unique_ptrIN7hipsycl2rt13inorder_queueESt14default_deleteIS2_EEptEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #3
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %6, i64 72
  %8 = load ptr, ptr %7, align 8
  %9 = tail call { i64, i64 } %8(ptr noundef nonnull align 8 dereferenceable(8) %5)
  %10 = extractvalue { i64, i64 } %9, 0
  store i64 %10, ptr %3, align 8
  %11 = getelementptr inbounds i8, ptr %3, i64 8
  %12 = extractvalue { i64, i64 } %9, 1
  store i64 %12, ptr %11, align 8
  %13 = call noundef zeroext i1 @_ZN7hipsycl2rteqERKNS0_9device_idES3_(ptr noundef nonnull align 4 dereferenceable(16) %3, ptr noundef nonnull align 4 dereferenceable(16) %1)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %3) #3
  ret i1 %13
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN7hipsycl2rteqERKNS0_9device_idES3_(ptr noundef nonnull align 4 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(16)) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,TailCallElimPass