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

; 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.LinkedListHashMap = type { ptr, i32, i32, ptr, ptr, ptr, ptr }
%struct.Entry = type { ptr, ptr, ptr, ptr, ptr }

@stderr = external global ptr, align 8
@.str = external hidden unnamed_addr constant [42 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [36 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [31 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [12 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
declare void @free(ptr noundef) #1

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #1

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

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #3

; Function Attrs: nounwind uwtable
declare dso_local i32 @LLHashMapFHashCal(ptr noundef, ptr noundef, i32 noundef) #4

declare i32 @doublyLinkedListGetIndex(ptr noundef, ptr noundef) #5

; Function Attrs: nounwind uwtable
define dso_local ptr @lLHashMapDeleteWtoFr(ptr noundef %0, ptr noundef %1) #4 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = icmp eq ptr %12, null
  br i1 %13, label %14, label %17

14:                                               ; preds = %2
  %15 = load ptr, ptr @stderr, align 8, !tbaa !5
  %16 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %15, ptr noundef @.str.10, ptr noundef @.str.11, ptr noundef @.str.2) #6
  call void @exit(i32 noundef -83386157) #7
  unreachable

17:                                               ; preds = %2
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  %19 = icmp eq ptr %18, null
  br i1 %19, label %20, label %23

20:                                               ; preds = %17
  %21 = load ptr, ptr @stderr, align 8, !tbaa !5
  %22 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %21, ptr noundef @.str, ptr noundef @.str.12, ptr noundef @.str.2) #6
  call void @exit(i32 noundef -83384987) #7
  unreachable

23:                                               ; preds = %17
  br label %24

24:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.LinkedListHashMap, ptr %25, i32 0, i32 6
  %27 = load ptr, ptr %26, align 8, !tbaa !9
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.LinkedListHashMap, ptr %29, i32 0, i32 1
  %31 = load i32, ptr %30, align 8, !tbaa !12
  %32 = call i32 @LLHashMapFHashCal(ptr noundef %27, ptr noundef %28, i32 noundef %31)
  store i32 %32, ptr %6, align 4, !tbaa !13
  %33 = load ptr, ptr %4, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.LinkedListHashMap, ptr %33, i32 0, i32 0
  %35 = load ptr, ptr %34, align 8, !tbaa !14
  %36 = load i32, ptr %6, align 4, !tbaa !13
  %37 = zext i32 %36 to i64
  %38 = getelementptr inbounds ptr, ptr %35, i64 %37
  %39 = load ptr, ptr %38, align 8, !tbaa !5
  %40 = icmp eq ptr %39, null
  br i1 %40, label %41, label %42

41:                                               ; preds = %24
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %91

42:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %43 = call noalias ptr @malloc(i64 noundef 40) #8
  store ptr %43, ptr %8, align 8, !tbaa !5
  %44 = load ptr, ptr %5, align 8, !tbaa !5
  %45 = load ptr, ptr %8, align 8, !tbaa !5
  %46 = getelementptr inbounds %struct.Entry, ptr %45, i32 0, i32 0
  store ptr %44, ptr %46, align 8, !tbaa !15
  %47 = load ptr, ptr %4, align 8, !tbaa !5
  %48 = getelementptr inbounds %struct.LinkedListHashMap, ptr %47, i32 0, i32 5
  %49 = load ptr, ptr %48, align 8, !tbaa !17
  %50 = load ptr, ptr %8, align 8, !tbaa !5
  %51 = getelementptr inbounds %struct.Entry, ptr %50, i32 0, i32 4
  store ptr %49, ptr %51, align 8, !tbaa !18
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  %52 = load ptr, ptr %4, align 8, !tbaa !5
  %53 = getelementptr inbounds %struct.LinkedListHashMap, ptr %52, i32 0, i32 0
  %54 = load ptr, ptr %53, align 8, !tbaa !14
  %55 = load i32, ptr %6, align 4, !tbaa !13
  %56 = zext i32 %55 to i64
  %57 = getelementptr inbounds ptr, ptr %54, i64 %56
  %58 = load ptr, ptr %57, align 8, !tbaa !5
  %59 = load ptr, ptr %8, align 8, !tbaa !5
  %60 = call i32 @doublyLinkedListGetIndex(ptr noundef %58, ptr noundef %59)
  store i32 %60, ptr %9, align 4, !tbaa !13
  %61 = load ptr, ptr %8, align 8, !tbaa !5
  call void @free(ptr noundef %61) #6
  %62 = load i32, ptr %9, align 4, !tbaa !13
  %63 = icmp eq i32 %62, -1
  br i1 %63, label %64, label %65

64:                                               ; preds = %42
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %90

65:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %66 = load ptr, ptr %4, align 8, !tbaa !5
  %67 = getelementptr inbounds %struct.LinkedListHashMap, ptr %66, i32 0, i32 0
  %68 = load ptr, ptr %67, align 8, !tbaa !14
  %69 = load i32, ptr %6, align 4, !tbaa !13
  %70 = zext i32 %69 to i64
  %71 = getelementptr inbounds ptr, ptr %68, i64 %70
  %72 = load ptr, ptr %71, align 8, !tbaa !5
  %73 = load i32, ptr %9, align 4, !tbaa !13
  %74 = call ptr @doublyLinkedListDeleteAtIndexWtoFr(ptr noundef %72, i32 noundef %73)
  store ptr %74, ptr %10, align 8, !tbaa !5
  %75 = load ptr, ptr %4, align 8, !tbaa !5
  %76 = getelementptr inbounds %struct.LinkedListHashMap, ptr %75, i32 0, i32 3
  %77 = load ptr, ptr %76, align 8, !tbaa !19
  %78 = load ptr, ptr %10, align 8, !tbaa !5
  %79 = getelementptr inbounds %struct.Entry, ptr %78, i32 0, i32 0
  %80 = load ptr, ptr %79, align 8, !tbaa !15
  call void %77(ptr noundef %80)
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %81 = load ptr, ptr %10, align 8, !tbaa !5
  %82 = getelementptr inbounds %struct.Entry, ptr %81, i32 0, i32 1
  %83 = load ptr, ptr %82, align 8, !tbaa !20
  store ptr %83, ptr %11, align 8, !tbaa !5
  %84 = load ptr, ptr %10, align 8, !tbaa !5
  call void @free(ptr noundef %84) #6
  %85 = load ptr, ptr %4, align 8, !tbaa !5
  %86 = getelementptr inbounds %struct.LinkedListHashMap, ptr %85, i32 0, i32 2
  %87 = load i32, ptr %86, align 4, !tbaa !21
  %88 = add nsw i32 %87, -1
  store i32 %88, ptr %86, align 4, !tbaa !21
  %89 = load ptr, ptr %11, align 8, !tbaa !5
  store ptr %89, ptr %3, align 8
  store i32 1, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %90

90:                                               ; preds = %65, %64
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  br label %91

91:                                               ; preds = %90, %41
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  %92 = load ptr, ptr %3, align 8
  ret ptr %92
}

declare ptr @doublyLinkedListDeleteAtIndexWtoFr(ptr noundef, i32 noundef) #5

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 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 #4 = { 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 #5 = { "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 #6 = { nounwind }
attributes #7 = { noreturn nounwind }
attributes #8 = { 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 40}
!10 = !{!"LinkedListHashMap", !6, i64 0, !11, i64 8, !11, i64 12, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !11, i64 8}
!13 = !{!11, !11, i64 0}
!14 = !{!10, !6, i64 0}
!15 = !{!16, !6, i64 0}
!16 = !{!"Entry", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32}
!17 = !{!10, !6, i64 32}
!18 = !{!16, !6, i64 32}
!19 = !{!10, !6, i64 16}
!20 = !{!16, !6, i64 8}
!21 = !{!10, !11, i64 12}


; 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 = external hidden unnamed_addr constant [42 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [36 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [31 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [12 x i8], align 1

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #1

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

; 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

; Function Attrs: nounwind uwtable
declare dso_local i32 @LLHashMapFHashCal(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #4

declare i32 @doublyLinkedListGetIndex(ptr noundef, ptr noundef) local_unnamed_addr #5

; Function Attrs: nounwind uwtable
define dso_local ptr @lLHashMapDeleteWtoFr(ptr noundef %0, ptr noundef %1) local_unnamed_addr #4 {
  %3 = icmp eq ptr %0, null
  br i1 %3, label %4, label %7

4:                                                ; preds = %2
  %5 = load ptr, ptr @stderr, align 8, !tbaa !5
  %6 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %5, ptr noundef nonnull @.str.10, ptr noundef nonnull @.str.11, ptr noundef nonnull @.str.2) #6
  tail call void @exit(i32 noundef -83386157) #7
  unreachable

7:                                                ; preds = %2
  %8 = icmp eq ptr %1, null
  br i1 %8, label %9, label %12

9:                                                ; preds = %7
  %10 = load ptr, ptr @stderr, align 8, !tbaa !5
  %11 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %10, ptr noundef nonnull @.str, ptr noundef nonnull @.str.12, ptr noundef nonnull @.str.2) #6
  tail call void @exit(i32 noundef -83384987) #7
  unreachable

12:                                               ; preds = %7
  %13 = getelementptr inbounds i8, ptr %0, i64 40
  %14 = load ptr, ptr %13, align 8, !tbaa !9
  %15 = getelementptr inbounds i8, ptr %0, i64 8
  %16 = load i32, ptr %15, align 8, !tbaa !12
  %17 = tail call i32 @LLHashMapFHashCal(ptr noundef %14, ptr noundef nonnull %1, i32 noundef %16)
  %18 = load ptr, ptr %0, align 8, !tbaa !13
  %19 = zext i32 %17 to i64
  %20 = getelementptr inbounds ptr, ptr %18, i64 %19
  %21 = load ptr, ptr %20, align 8, !tbaa !5
  %22 = icmp eq ptr %21, null
  br i1 %22, label %43, label %23

23:                                               ; preds = %12
  %24 = tail call noalias dereferenceable_or_null(40) ptr @malloc(i64 noundef 40) #8
  store ptr %1, ptr %24, align 8, !tbaa !14
  %25 = getelementptr inbounds i8, ptr %0, i64 32
  %26 = load ptr, ptr %25, align 8, !tbaa !16
  %27 = getelementptr inbounds i8, ptr %24, i64 32
  store ptr %26, ptr %27, align 8, !tbaa !17
  %28 = tail call i32 @doublyLinkedListGetIndex(ptr noundef nonnull %21, ptr noundef nonnull %24) #9
  tail call void @free(ptr noundef %24) #9
  %29 = icmp eq i32 %28, -1
  br i1 %29, label %43, label %30

30:                                               ; preds = %23
  %31 = load ptr, ptr %0, align 8, !tbaa !13
  %32 = getelementptr inbounds ptr, ptr %31, i64 %19
  %33 = load ptr, ptr %32, align 8, !tbaa !5
  %34 = tail call ptr @doublyLinkedListDeleteAtIndexWtoFr(ptr noundef %33, i32 noundef %28) #9
  %35 = getelementptr inbounds i8, ptr %0, i64 16
  %36 = load ptr, ptr %35, align 8, !tbaa !18
  %37 = load ptr, ptr %34, align 8, !tbaa !14
  tail call void %36(ptr noundef %37) #9
  %38 = getelementptr inbounds i8, ptr %34, i64 8
  %39 = load ptr, ptr %38, align 8, !tbaa !19
  tail call void @free(ptr noundef %34) #9
  %40 = getelementptr inbounds i8, ptr %0, i64 12
  %41 = load i32, ptr %40, align 4, !tbaa !20
  %42 = add nsw i32 %41, -1
  store i32 %42, ptr %40, align 4, !tbaa !20
  br label %43

43:                                               ; preds = %30, %23, %12
  %.1 = phi ptr [ null, %12 ], [ %39, %30 ], [ null, %23 ]
  ret ptr %.1
}

declare ptr @doublyLinkedListDeleteAtIndexWtoFr(ptr noundef, i32 noundef) local_unnamed_addr #5

attributes #0 = { 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 #1 = { 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 #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 = { 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 = { 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 #5 = { "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 #6 = { cold nounwind }
attributes #7 = { noreturn nounwind }
attributes #8 = { nounwind allocsize(0) }
attributes #9 = { 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 40}
!10 = !{!"LinkedListHashMap", !6, i64 0, !11, i64 8, !11, i64 12, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !11, i64 8}
!13 = !{!10, !6, i64 0}
!14 = !{!15, !6, i64 0}
!15 = !{!"Entry", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32}
!16 = !{!10, !6, i64 32}
!17 = !{!15, !6, i64 32}
!18 = !{!10, !6, i64 16}
!19 = !{!15, !6, i64 8}
!20 = !{!10, !11, i64 12}


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