; LLVM IR from theck01/offbrand_lib :: src/classes (obdeque)

; 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"

%struct.obdeque_node_struct = type { ptr, ptr, ptr, ptr }

@.str.1 = external hidden unnamed_addr constant [76 x i8], align 1
@obdeque_new_node.classname = external hidden constant [13 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [17 x i8], align 1
@__PRETTY_FUNCTION__.obdeque_new_node = external hidden unnamed_addr constant [38 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [21 x i8], align 1

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

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #1

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

declare ptr @ob_retain(ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local ptr @obdeque_new_node(ptr noundef %0) #3 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %4 = load ptr, ptr %2, align 8, !tbaa !5
  %5 = icmp ne ptr %4, null
  br i1 %5, label %6, label %7

6:                                                ; preds = %1
  br label %8

7:                                                ; preds = %1
  call void @__assert_fail(ptr noundef @.str.13, ptr noundef @.str.1, i32 noundef 433, ptr noundef @__PRETTY_FUNCTION__.obdeque_new_node) #6
  unreachable

8:                                                ; preds = %6
  %9 = call noalias ptr @malloc(i64 noundef 32) #7
  store ptr %9, ptr %3, align 8, !tbaa !5
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = icmp ne ptr %10, null
  br i1 %11, label %12, label %13

12:                                               ; preds = %8
  br label %14

13:                                               ; preds = %8
  call void @__assert_fail(ptr noundef @.str.14, ptr noundef @.str.1, i32 noundef 436, ptr noundef @__PRETTY_FUNCTION__.obdeque_new_node) #6
  unreachable

14:                                               ; preds = %12
  %15 = load ptr, ptr %3, align 8, !tbaa !5
  call void @ob_init_base(ptr noundef %15, ptr noundef @obdeque_destroy_node, ptr noundef null, ptr noundef null, ptr noundef null, ptr noundef @obdeque_new_node.classname)
  %16 = load ptr, ptr %2, align 8, !tbaa !5
  %17 = call ptr @ob_retain(ptr noundef %16)
  %18 = load ptr, ptr %2, align 8, !tbaa !5
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.obdeque_node_struct, ptr %19, i32 0, i32 1
  store ptr %18, ptr %20, align 8, !tbaa !9
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.obdeque_node_struct, ptr %21, i32 0, i32 2
  store ptr null, ptr %22, align 8, !tbaa !11
  %23 = load ptr, ptr %3, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.obdeque_node_struct, ptr %23, i32 0, i32 3
  store ptr null, ptr %24, align 8, !tbaa !12
  %25 = load ptr, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  ret ptr %25
}

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #4

declare void @ob_init_base(ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local void @obdeque_destroy_node(ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { "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 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 #4 = { nounwind allocsize(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 #5 = { nounwind }
attributes #6 = { noreturn nounwind }
attributes #7 = { nounwind allocsize(0) }

!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/C++ TBAA"}
!9 = !{!10, !6, i64 8}
!10 = !{!"obdeque_node_struct", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!11 = !{!10, !6, i64 16}
!12 = !{!10, !6, i64 24}


; 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.1 = external hidden unnamed_addr constant [76 x i8], align 1
@obdeque_new_node.classname = external hidden constant [13 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [17 x i8], align 1
@__PRETTY_FUNCTION__.obdeque_new_node = external hidden unnamed_addr constant [38 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [21 x i8], align 1

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

declare ptr @ob_retain(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @obdeque_new_node(ptr noundef %0) local_unnamed_addr #2 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %2, label %3

2:                                                ; preds = %1
  tail call void @__assert_fail(ptr noundef nonnull @.str.13, ptr noundef nonnull @.str.1, i32 noundef 433, ptr noundef nonnull @__PRETTY_FUNCTION__.obdeque_new_node) #5
  unreachable

3:                                                ; preds = %1
  %4 = tail call noalias dereferenceable_or_null(32) ptr @malloc(i64 noundef 32) #6
  %.not10 = icmp eq ptr %4, null
  br i1 %.not10, label %5, label %6

5:                                                ; preds = %3
  tail call void @__assert_fail(ptr noundef nonnull @.str.14, ptr noundef nonnull @.str.1, i32 noundef 436, ptr noundef nonnull @__PRETTY_FUNCTION__.obdeque_new_node) #5
  unreachable

6:                                                ; preds = %3
  tail call void @ob_init_base(ptr noundef nonnull %4, ptr noundef nonnull @obdeque_destroy_node, ptr noundef null, ptr noundef null, ptr noundef null, ptr noundef nonnull @obdeque_new_node.classname) #7
  %7 = tail call ptr @ob_retain(ptr noundef nonnull %0) #7
  %8 = getelementptr inbounds i8, ptr %4, i64 8
  store ptr %0, ptr %8, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %4, i64 16
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %9, i8 0, i64 16, i1 false)
  ret ptr %4
}

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #3

declare void @ob_init_base(ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local void @obdeque_destroy_node(ptr noundef) #2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

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 = { "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 = { 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 #3 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 #4 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { noreturn nounwind }
attributes #6 = { nounwind allocsize(0) }
attributes #7 = { 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 8}
!6 = !{!"obdeque_node_struct", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}


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