; LLVM IR from pavlosdais/Abstract-Data-Types :: modules/HashTable/SeparateChaining (hash_table)

; 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.hash_table = type { ptr, i8, i64, ptr, ptr, ptr }

@.str = external hidden unnamed_addr constant [32 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [112 x i8], align 1
@__PRETTY_FUNCTION__.hash_create = external hidden unnamed_addr constant [76 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [11 x i8], align 1
@hash_sizes = external hidden global [57 x i64], align 16
@.str.3 = external hidden unnamed_addr constant [20 x i8], align 1

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

10:                                               ; preds = %3
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = icmp ne ptr %11, null
  br i1 %12, label %13, label %14

13:                                               ; preds = %10
  br label %15

14:                                               ; preds = %10, %3
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 46, ptr noundef @__PRETTY_FUNCTION__.hash_create) #5
  unreachable

15:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  %16 = call noalias ptr @malloc(i64 noundef 48) #7
  store ptr %16, ptr %7, align 8, !tbaa !5
  %17 = load ptr, ptr %7, align 8, !tbaa !5
  %18 = icmp ne ptr %17, null
  br i1 %18, label %19, label %20

19:                                               ; preds = %15
  br label %21

20:                                               ; preds = %15
  call void @__assert_fail(ptr noundef @.str.2, ptr noundef @.str.1, i32 noundef 49, ptr noundef @__PRETTY_FUNCTION__.hash_create) #5
  unreachable

21:                                               ; preds = %19
  %22 = load ptr, ptr %7, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.hash_table, ptr %22, i32 0, i32 1
  store i8 0, ptr %23, align 8, !tbaa !9
  %24 = load ptr, ptr %7, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.hash_table, ptr %24, i32 0, i32 1
  %26 = load i8, ptr %25, align 8, !tbaa !9
  %27 = zext i8 %26 to i64
  %28 = getelementptr inbounds [57 x i64], ptr @hash_sizes, i64 0, i64 %27
  %29 = load i64, ptr %28, align 8, !tbaa !12
  %30 = call noalias ptr @calloc(i64 noundef 24, i64 noundef %29) #8
  %31 = load ptr, ptr %7, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.hash_table, ptr %31, i32 0, i32 0
  store ptr %30, ptr %32, align 8, !tbaa !13
  %33 = load ptr, ptr %7, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.hash_table, ptr %33, i32 0, i32 0
  %35 = load ptr, ptr %34, align 8, !tbaa !13
  %36 = icmp ne ptr %35, null
  br i1 %36, label %37, label %38

37:                                               ; preds = %21
  br label %39

38:                                               ; preds = %21
  call void @__assert_fail(ptr noundef @.str.3, ptr noundef @.str.1, i32 noundef 53, ptr noundef @__PRETTY_FUNCTION__.hash_create) #5
  unreachable

39:                                               ; preds = %37
  %40 = load ptr, ptr %7, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct.hash_table, ptr %40, i32 0, i32 2
  store i64 0, ptr %41, align 8, !tbaa !14
  %42 = load ptr, ptr %4, align 8, !tbaa !5
  %43 = load ptr, ptr %7, align 8, !tbaa !5
  %44 = getelementptr inbounds %struct.hash_table, ptr %43, i32 0, i32 3
  store ptr %42, ptr %44, align 8, !tbaa !15
  %45 = load ptr, ptr %5, align 8, !tbaa !5
  %46 = load ptr, ptr %7, align 8, !tbaa !5
  %47 = getelementptr inbounds %struct.hash_table, ptr %46, i32 0, i32 4
  store ptr %45, ptr %47, align 8, !tbaa !16
  %48 = load ptr, ptr %6, align 8, !tbaa !5
  %49 = load ptr, ptr %7, align 8, !tbaa !5
  %50 = getelementptr inbounds %struct.hash_table, ptr %49, i32 0, i32 5
  store ptr %48, ptr %50, align 8, !tbaa !17
  %51 = load ptr, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  ret ptr %51
}

; 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.start.p0(i64 immarg, ptr nocapture) #2

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

; Function Attrs: nounwind allocsize(0,1)
declare noalias ptr @calloc(i64 noundef, i64 noundef) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

attributes #0 = { 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 #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 allocsize(0,1) "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 #5 = { noreturn nounwind }
attributes #6 = { nounwind }
attributes #7 = { nounwind allocsize(0) }
attributes #8 = { nounwind allocsize(0,1) }

!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, !7, i64 8}
!10 = !{!"hash_table", !6, i64 0, !7, i64 8, !11, i64 16, !6, i64 24, !6, i64 32, !6, i64 40}
!11 = !{!"long", !7, i64 0}
!12 = !{!11, !11, i64 0}
!13 = !{!10, !6, i64 0}
!14 = !{!10, !11, i64 16}
!15 = !{!10, !6, i64 24}
!16 = !{!10, !6, i64 32}
!17 = !{!10, !6, i64 40}


; 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 [32 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [112 x i8], align 1
@__PRETTY_FUNCTION__.hash_create = external hidden unnamed_addr constant [76 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [11 x i8], align 1
@hash_sizes = external hidden local_unnamed_addr global [57 x i64], align 16
@.str.3 = external hidden unnamed_addr constant [20 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local noalias noundef ptr @hash_create(ptr noundef %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #0 {
  %4 = icmp ne ptr %0, null
  %5 = icmp ne ptr %1, null
  %or.cond = and i1 %4, %5
  br i1 %or.cond, label %7, label %6

6:                                                ; preds = %3
  tail call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 46, ptr noundef nonnull @__PRETTY_FUNCTION__.hash_create) #4
  unreachable

7:                                                ; preds = %3
  %8 = tail call noalias dereferenceable_or_null(48) ptr @malloc(i64 noundef 48) #5
  %.not = icmp eq ptr %8, null
  br i1 %.not, label %9, label %10

9:                                                ; preds = %7
  tail call void @__assert_fail(ptr noundef nonnull @.str.2, ptr noundef nonnull @.str.1, i32 noundef 49, ptr noundef nonnull @__PRETTY_FUNCTION__.hash_create) #4
  unreachable

10:                                               ; preds = %7
  %11 = getelementptr inbounds i8, ptr %8, i64 8
  store i8 0, ptr %11, align 8, !tbaa !5
  %12 = load i64, ptr @hash_sizes, align 16, !tbaa !11
  %13 = tail call noalias ptr @calloc(i64 noundef 24, i64 noundef %12) #6
  store ptr %13, ptr %8, align 8, !tbaa !12
  %.not18 = icmp eq ptr %13, null
  br i1 %.not18, label %14, label %15

14:                                               ; preds = %10
  tail call void @__assert_fail(ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.1, i32 noundef 53, ptr noundef nonnull @__PRETTY_FUNCTION__.hash_create) #4
  unreachable

15:                                               ; preds = %10
  %16 = getelementptr inbounds i8, ptr %8, i64 16
  store i64 0, ptr %16, align 8, !tbaa !13
  %17 = getelementptr inbounds i8, ptr %8, i64 24
  store ptr %0, ptr %17, align 8, !tbaa !14
  %18 = getelementptr inbounds i8, ptr %8, i64 32
  store ptr %1, ptr %18, align 8, !tbaa !15
  %19 = getelementptr inbounds i8, ptr %8, i64 40
  store ptr %2, ptr %19, align 8, !tbaa !16
  ret ptr %8
}

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

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @calloc(i64 noundef, i64 noundef) local_unnamed_addr #3

attributes #0 = { 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 #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 = { 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 #3 = { mustprogress nofree nounwind willreturn allockind("alloc,zeroed") allocsize(0,1) 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 = { noreturn nounwind }
attributes #5 = { nounwind allocsize(0) }
attributes #6 = { nounwind allocsize(0,1) }

!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, !8, i64 8}
!6 = !{!"hash_table", !7, i64 0, !8, i64 8, !10, i64 16, !7, i64 24, !7, i64 32, !7, i64 40}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!10, !10, i64 0}
!12 = !{!6, !7, i64 0}
!13 = !{!6, !10, i64 16}
!14 = !{!6, !7, i64 24}
!15 = !{!6, !7, i64 32}
!16 = !{!6, !7, i64 40}


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