; LLVM IR from MostafaTwfiq/C-DataStructures-And-Algorithms :: DataStructure/Trees/Sources (Trie)

; 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.Trie = type { ptr }

@stderr = external global ptr, align 8
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [20 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [31 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [42 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [22 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: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #1

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) #2

; 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 i32 @wordsComparator(ptr noundef, ptr noundef) #3

declare ptr @arrayListInitialization(i32 noundef, ptr noundef, ptr noundef) #4

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

declare ptr @stringInitialization(i32 noundef) #4

declare void @destroyString(ptr noundef) #4

; Function Attrs: nounwind uwtable
define dso_local ptr @trieSuggestion(ptr noundef %0, ptr noundef %1, i32 noundef %2) #3 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = icmp eq ptr %9, null
  br i1 %10, label %11, label %14

11:                                               ; preds = %3
  %12 = load ptr, ptr @stderr, align 8, !tbaa !5
  %13 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %12, ptr noundef @.str.3, ptr noundef @.str.1, ptr noundef @.str.2) #5
  call void @exit(i32 noundef -83386157) #6
  unreachable

14:                                               ; preds = %3
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = icmp eq ptr %15, null
  br i1 %16, label %17, label %20

17:                                               ; preds = %14
  %18 = load ptr, ptr @stderr, align 8, !tbaa !5
  %19 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %18, ptr noundef @.str.4, ptr noundef @.str.5, ptr noundef @.str.2) #5
  call void @exit(i32 noundef -83384987) #6
  unreachable

20:                                               ; preds = %14
  %21 = load i32, ptr %6, align 4, !tbaa !9
  %22 = icmp sle i32 %21, 0
  br i1 %22, label %23, label %26

23:                                               ; preds = %20
  %24 = load ptr, ptr @stderr, align 8, !tbaa !5
  %25 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %24, ptr noundef @.str.4, ptr noundef @.str.6, ptr noundef @.str.2) #5
  call void @exit(i32 noundef -83384987) #6
  unreachable

26:                                               ; preds = %20
  br label %27

27:                                               ; preds = %26
  br label %28

28:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %29 = call ptr @stringInitialization(i32 noundef 10)
  store ptr %29, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %30 = load i32, ptr %6, align 4, !tbaa !9
  %31 = call ptr @arrayListInitialization(i32 noundef %30, ptr noundef @freeFun, ptr noundef @wordsComparator)
  store ptr %31, ptr %8, align 8, !tbaa !5
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.Trie, ptr %32, i32 0, i32 0
  %34 = load ptr, ptr %33, align 8, !tbaa !11
  %35 = load ptr, ptr %5, align 8, !tbaa !5
  %36 = load ptr, ptr %7, align 8, !tbaa !5
  %37 = load ptr, ptr %8, align 8, !tbaa !5
  %38 = load i32, ptr %6, align 4, !tbaa !9
  call void @trieSuggestionR(ptr noundef %34, ptr noundef %35, ptr noundef %36, ptr noundef %37, i32 noundef %38)
  %39 = load ptr, ptr %7, align 8, !tbaa !5
  call void @destroyString(ptr noundef %39)
  %40 = load ptr, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  ret ptr %40
}

; Function Attrs: nounwind uwtable
declare dso_local void @trieSuggestionR(ptr noundef, ptr noundef, ptr noundef, ptr noundef, i32 noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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 #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 = { "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 }

!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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"Trie", !6, 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"

@stderr = external local_unnamed_addr global ptr, align 8
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [20 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [31 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [42 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [22 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @wordsComparator(ptr noundef, ptr noundef) #2

declare ptr @arrayListInitialization(i32 noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

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

declare ptr @stringInitialization(i32 noundef) local_unnamed_addr #3

declare void @destroyString(ptr noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @trieSuggestion(ptr noundef readonly %0, ptr noundef %1, i32 noundef %2) local_unnamed_addr #2 {
  %4 = icmp eq ptr %0, null
  br i1 %4, label %5, label %8

5:                                                ; preds = %3
  %6 = load ptr, ptr @stderr, align 8, !tbaa !5
  %7 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %6, ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.1, ptr noundef nonnull @.str.2) #4
  tail call void @exit(i32 noundef -83386157) #5
  unreachable

8:                                                ; preds = %3
  %9 = icmp eq ptr %1, null
  br i1 %9, label %10, label %13

10:                                               ; preds = %8
  %11 = load ptr, ptr @stderr, align 8, !tbaa !5
  %12 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %11, ptr noundef nonnull @.str.4, ptr noundef nonnull @.str.5, ptr noundef nonnull @.str.2) #4
  tail call void @exit(i32 noundef -83384987) #5
  unreachable

13:                                               ; preds = %8
  %14 = icmp slt i32 %2, 1
  br i1 %14, label %15, label %18

15:                                               ; preds = %13
  %16 = load ptr, ptr @stderr, align 8, !tbaa !5
  %17 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %16, ptr noundef nonnull @.str.4, ptr noundef nonnull @.str.6, ptr noundef nonnull @.str.2) #4
  tail call void @exit(i32 noundef -83384987) #5
  unreachable

18:                                               ; preds = %13
  %19 = tail call ptr @stringInitialization(i32 noundef 10) #6
  %20 = tail call ptr @arrayListInitialization(i32 noundef %2, ptr noundef nonnull @freeFun, ptr noundef nonnull @wordsComparator) #6
  %21 = load ptr, ptr %0, align 8, !tbaa !9
  tail call void @trieSuggestionR(ptr noundef %21, ptr noundef nonnull %1, ptr noundef %19, ptr noundef %20, i32 noundef %2)
  tail call void @destroyString(ptr noundef %19) #6
  ret ptr %20
}

; Function Attrs: nounwind uwtable
declare dso_local void @trieSuggestionR(ptr noundef, ptr noundef, ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #2

attributes #0 = { 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 #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 = { 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 = { "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 = { cold nounwind }
attributes #5 = { noreturn nounwind }
attributes #6 = { 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/C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"Trie", !6, i64 0}


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