; LLVM IR from dynexcoin/Dynex :: src/System/ContextGroup.ll (ZN6System12ContextGroupaSEOS0_)

; 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.System::ContextGroup" = type { ptr, %"struct.System::NativeContextGroup" }
%"struct.System::NativeContextGroup" = type { ptr, ptr, ptr, ptr }

@.str = external hidden unnamed_addr constant [43 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [77 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [62 x i8], align 1
@__PRETTY_FUNCTION__._ZN6System12ContextGroupaSEOS0_ = external hidden unnamed_addr constant [63 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef nonnull align 8 dereferenceable(40) ptr @_ZN6System12ContextGroupaSEOS0_(ptr noundef nonnull align 8 dereferenceable(40) %0, ptr noundef nonnull align 8 dereferenceable(40) %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8
  %6 = getelementptr inbounds %"class.System::ContextGroup", ptr %5, i32 0, i32 0
  %7 = load ptr, ptr %6, align 8, !tbaa !9
  %8 = icmp eq ptr %7, null
  br i1 %8, label %14, label %9

9:                                                ; preds = %2
  %10 = getelementptr inbounds %"class.System::ContextGroup", ptr %5, i32 0, i32 1
  %11 = getelementptr inbounds %"struct.System::NativeContextGroup", ptr %10, i32 0, i32 0
  %12 = load ptr, ptr %11, align 8, !tbaa !12
  %13 = icmp eq ptr %12, null
  br label %14

14:                                               ; preds = %9, %2
  %15 = phi i1 [ true, %2 ], [ %13, %9 ]
  br i1 %15, label %16, label %17

16:                                               ; preds = %14
  br label %19

17:                                               ; preds = %14
  call void @__assert_fail(ptr noundef @.str.2, ptr noundef @.str.1, i32 noundef 63, ptr noundef @__PRETTY_FUNCTION__._ZN6System12ContextGroupaSEOS0_) #2
  unreachable

18:                                               ; No predecessors!
  br label %19

19:                                               ; preds = %18, %16
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = getelementptr inbounds %"class.System::ContextGroup", ptr %20, i32 0, i32 0
  %22 = load ptr, ptr %21, align 8, !tbaa !9
  %23 = getelementptr inbounds %"class.System::ContextGroup", ptr %5, i32 0, i32 0
  store ptr %22, ptr %23, align 8, !tbaa !9
  %24 = getelementptr inbounds %"class.System::ContextGroup", ptr %5, i32 0, i32 0
  %25 = load ptr, ptr %24, align 8, !tbaa !9
  %26 = icmp ne ptr %25, null
  br i1 %26, label %27, label %41

27:                                               ; preds = %19
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = getelementptr inbounds %"class.System::ContextGroup", ptr %28, i32 0, i32 1
  %30 = getelementptr inbounds %"struct.System::NativeContextGroup", ptr %29, i32 0, i32 0
  %31 = load ptr, ptr %30, align 8, !tbaa !12
  %32 = icmp eq ptr %31, null
  br i1 %32, label %33, label %34

33:                                               ; preds = %27
  br label %36

34:                                               ; preds = %27
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 66, ptr noundef @__PRETTY_FUNCTION__._ZN6System12ContextGroupaSEOS0_) #2
  unreachable

35:                                               ; No predecessors!
  br label %36

36:                                               ; preds = %35, %33
  %37 = getelementptr inbounds %"class.System::ContextGroup", ptr %5, i32 0, i32 1
  %38 = getelementptr inbounds %"struct.System::NativeContextGroup", ptr %37, i32 0, i32 0
  store ptr null, ptr %38, align 8, !tbaa !12
  %39 = load ptr, ptr %4, align 8, !tbaa !5
  %40 = getelementptr inbounds %"class.System::ContextGroup", ptr %39, i32 0, i32 0
  store ptr null, ptr %40, align 8, !tbaa !9
  br label %41

41:                                               ; preds = %36, %19
  ret ptr %5
}

attributes #0 = { noreturn nounwind "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 #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 = { noreturn 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, !6, i64 0}
!10 = !{!"_ZTSN6System12ContextGroupE", !6, i64 0, !11, i64 8}
!11 = !{!"_ZTSN6System18NativeContextGroupE", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!12 = !{!10, !6, i64 8}


; 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"

@.str = external hidden unnamed_addr constant [43 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [77 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [62 x i8], align 1
@__PRETTY_FUNCTION__._ZN6System12ContextGroupaSEOS0_ = external hidden unnamed_addr constant [63 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef nonnull align 8 dereferenceable(40) ptr @_ZN6System12ContextGroupaSEOS0_(ptr noundef nonnull returned align 8 dereferenceable(40) %0, ptr nocapture noundef nonnull align 8 dereferenceable(40) %1) local_unnamed_addr #1 align 2 {
  %3 = load ptr, ptr %0, align 8, !tbaa !5
  %4 = icmp eq ptr %3, null
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = load ptr, ptr %5, align 8
  %7 = icmp eq ptr %6, null
  %or.cond = select i1 %4, i1 true, i1 %7
  br i1 %or.cond, label %.critedge, label %8

8:                                                ; preds = %2
  tail call void @__assert_fail(ptr noundef nonnull @.str.2, ptr noundef nonnull @.str.1, i32 noundef 63, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN6System12ContextGroupaSEOS0_) #2
  unreachable

.critedge:                                        ; preds = %2
  %9 = load ptr, ptr %1, align 8, !tbaa !5
  store ptr %9, ptr %0, align 8, !tbaa !5
  %.not = icmp eq ptr %9, null
  br i1 %.not, label %16, label %10

10:                                               ; preds = %.critedge
  %11 = getelementptr inbounds i8, ptr %1, i64 8
  %12 = load ptr, ptr %11, align 8, !tbaa !11
  %13 = icmp eq ptr %12, null
  br i1 %13, label %15, label %14

14:                                               ; preds = %10
  tail call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 66, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN6System12ContextGroupaSEOS0_) #2
  unreachable

15:                                               ; preds = %10
  store ptr null, ptr %5, align 8, !tbaa !11
  store ptr null, ptr %1, align 8, !tbaa !5
  br label %16

16:                                               ; preds = %15, %.critedge
  ret ptr %0
}

attributes #0 = { noreturn nounwind "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 #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 = { noreturn 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, !7, i64 0}
!6 = !{!"_ZTSN6System12ContextGroupE", !7, i64 0, !10, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSN6System18NativeContextGroupE", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24}
!11 = !{!6, !7, i64 8}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass