; LLVM IR from AlgoGenesis/C :: Linked_list/Clone_Linked_List_with _Random_Connections (program)

; 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.ListNode = type { i32, ptr, ptr }

@__const.main.values = external hidden unnamed_addr constant [5 x i32], align 16
@__const.main.randomIndices = external hidden unnamed_addr constant [5 x i32], align 16
@.str.3 = external hidden unnamed_addr constant [37 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [36 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
declare dso_local ptr @cloneLinkedListWithRandomPointer(ptr noundef) #1

; Function Attrs: nounwind
declare void @free(ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local ptr @createLinkedList(ptr noundef, ptr noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local void @printLinkedList(ptr noundef) #1

declare i32 @printf(ptr noundef, ...) #3

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #1 {
  %1 = alloca i32, align 4
  %2 = alloca [5 x i32], align 16
  %3 = alloca [5 x i32], align 16
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 20, ptr %2) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %2, ptr align 16 @__const.main.values, i64 20, i1 false)
  call void @llvm.lifetime.start.p0(i64 20, ptr %3) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %3, ptr align 16 @__const.main.randomIndices, i64 20, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  store i32 5, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %8 = getelementptr inbounds [5 x i32], ptr %2, i64 0, i64 0
  %9 = getelementptr inbounds [5 x i32], ptr %3, i64 0, i64 0
  %10 = load i32, ptr %4, align 4, !tbaa !5
  %11 = call ptr @createLinkedList(ptr noundef %8, ptr noundef %9, i32 noundef %10)
  store ptr %11, ptr %5, align 8, !tbaa !9
  %12 = call i32 (ptr, ...) @printf(ptr noundef @.str.3)
  %13 = load ptr, ptr %5, align 8, !tbaa !9
  call void @printLinkedList(ptr noundef %13)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %14 = load ptr, ptr %5, align 8, !tbaa !9
  %15 = call ptr @cloneLinkedListWithRandomPointer(ptr noundef %14)
  store ptr %15, ptr %6, align 8, !tbaa !9
  %16 = call i32 (ptr, ...) @printf(ptr noundef @.str.4)
  %17 = load ptr, ptr %6, align 8, !tbaa !9
  call void @printLinkedList(ptr noundef %17)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  br label %18

18:                                               ; preds = %21, %0
  %19 = load ptr, ptr %5, align 8, !tbaa !9
  %20 = icmp ne ptr %19, null
  br i1 %20, label %21, label %27

21:                                               ; preds = %18
  %22 = load ptr, ptr %5, align 8, !tbaa !9
  store ptr %22, ptr %7, align 8, !tbaa !9
  %23 = load ptr, ptr %5, align 8, !tbaa !9
  %24 = getelementptr inbounds %struct.ListNode, ptr %23, i32 0, i32 1
  %25 = load ptr, ptr %24, align 8, !tbaa !11
  store ptr %25, ptr %5, align 8, !tbaa !9
  %26 = load ptr, ptr %7, align 8, !tbaa !9
  call void @free(ptr noundef %26) #5
  br label %18, !llvm.loop !13

27:                                               ; preds = %18
  br label %28

28:                                               ; preds = %31, %27
  %29 = load ptr, ptr %6, align 8, !tbaa !9
  %30 = icmp ne ptr %29, null
  br i1 %30, label %31, label %37

31:                                               ; preds = %28
  %32 = load ptr, ptr %6, align 8, !tbaa !9
  store ptr %32, ptr %7, align 8, !tbaa !9
  %33 = load ptr, ptr %6, align 8, !tbaa !9
  %34 = getelementptr inbounds %struct.ListNode, ptr %33, i32 0, i32 1
  %35 = load ptr, ptr %34, align 8, !tbaa !11
  store ptr %35, ptr %6, align 8, !tbaa !9
  %36 = load ptr, ptr %7, align 8, !tbaa !9
  call void @free(ptr noundef %36) #5
  br label %28, !llvm.loop !15

37:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 20, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 20, ptr %2) #5
  ret i32 0
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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 #3 = { "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: readwrite) }
attributes #5 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !10, i64 8}
!12 = !{!"ListNode", !6, i64 0, !10, i64 8, !10, i64 16}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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"

@__const.main.values = external hidden unnamed_addr constant [5 x i32], align 16
@__const.main.randomIndices = external hidden unnamed_addr constant [5 x i32], align 16
@.str.3 = external hidden unnamed_addr constant [37 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [36 x i8], align 1

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

; Function Attrs: nounwind uwtable
declare dso_local ptr @cloneLinkedListWithRandomPointer(ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local ptr @createLinkedList(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local void @printLinkedList(ptr noundef) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 {
  %1 = alloca [5 x i32], align 16
  %2 = alloca [5 x i32], align 16
  call void @llvm.lifetime.start.p0(i64 20, ptr nonnull %1) #5
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(20) %1, ptr noundef nonnull align 16 dereferenceable(20) @__const.main.values, i64 20, i1 false)
  call void @llvm.lifetime.start.p0(i64 20, ptr nonnull %2) #5
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(20) %2, ptr noundef nonnull align 16 dereferenceable(20) @__const.main.randomIndices, i64 20, i1 false)
  %3 = call ptr @createLinkedList(ptr noundef nonnull %1, ptr noundef nonnull %2, i32 noundef 5)
  %4 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3)
  call void @printLinkedList(ptr noundef %3)
  %5 = call ptr @cloneLinkedListWithRandomPointer(ptr noundef %3)
  %6 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4)
  call void @printLinkedList(ptr noundef %5)
  %.not13 = icmp eq ptr %3, null
  br i1 %.not13, label %.preheader, label %.lr.ph

.preheader:                                       ; preds = %.lr.ph, %0
  %.not1215 = icmp eq ptr %5, null
  br i1 %.not1215, label %._crit_edge, label %.lr.ph17

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.01114 = phi ptr [ %8, %.lr.ph ], [ %3, %0 ]
  %7 = getelementptr inbounds i8, ptr %.01114, i64 8
  %8 = load ptr, ptr %7, align 8, !tbaa !5
  call void @free(ptr noundef nonnull %.01114) #5
  %.not = icmp eq ptr %8, null
  br i1 %.not, label %.preheader, label %.lr.ph, !llvm.loop !11

.lr.ph17:                                         ; preds = %.preheader, %.lr.ph17
  %.016 = phi ptr [ %10, %.lr.ph17 ], [ %5, %.preheader ]
  %9 = getelementptr inbounds i8, ptr %.016, i64 8
  %10 = load ptr, ptr %9, align 8, !tbaa !5
  call void @free(ptr noundef nonnull %.016) #5
  %.not12 = icmp eq ptr %10, null
  br i1 %.not12, label %._crit_edge, label %.lr.ph17, !llvm.loop !13

._crit_edge:                                      ; preds = %.lr.ph17, %.preheader
  call void @llvm.lifetime.end.p0(i64 20, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 20, ptr nonnull %1) #5
  ret i32 0
}

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 nounwind willreturn allockind("free") memory(argmem: readwrite, 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 #3 = { nofree 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 #4 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { 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, !10, i64 8}
!6 = !{!"ListNode", !7, i64 0, !10, i64 8, !10, i64 16}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass