; LLVM IR from maksimandrianov/cdcontainers :: src (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.cdc_hash_table_entry = type { ptr, ptr, ptr, i64 }

@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [79 x i8], align 1
@__PRETTY_FUNCTION__.cdc_hash_table_get = external hidden unnamed_addr constant [66 x i8], align 1

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @cdc_hash_table_get(ptr noundef %0, ptr noundef %1, ptr noundef %2) #2 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = icmp ne ptr %10, null
  br i1 %11, label %12, label %13

12:                                               ; preds = %3
  br label %14

13:                                               ; preds = %3
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 386, ptr noundef @__PRETTY_FUNCTION__.cdc_hash_table_get) #3
  unreachable

14:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = call ptr @find_entry(ptr noundef %15, ptr noundef %16)
  store ptr %17, ptr %8, align 8, !tbaa !5
  %18 = load ptr, ptr %8, align 8, !tbaa !5
  %19 = icmp ne ptr %18, null
  br i1 %19, label %21, label %20

20:                                               ; preds = %14
  store i32 5, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %28

21:                                               ; preds = %14
  %22 = load ptr, ptr %8, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.cdc_hash_table_entry, ptr %22, i32 0, i32 0
  %24 = load ptr, ptr %23, align 8, !tbaa !9
  %25 = getelementptr inbounds %struct.cdc_hash_table_entry, ptr %24, i32 0, i32 2
  %26 = load ptr, ptr %25, align 8, !tbaa !12
  %27 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %26, ptr %27, align 8, !tbaa !5
  store i32 0, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %28

28:                                               ; preds = %21, %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  %29 = load i32, ptr %4, align 4
  ret i32 %29
}

; Function Attrs: nounwind uwtable
declare hidden ptr @find_entry(ptr noundef, ptr noundef) #2

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { noreturn nounwind }
attributes #4 = { 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 = !{!"cdc_hash_table_entry", !6, i64 0, !6, i64 8, !6, i64 16, !11, i64 24}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !6, i64 16}


; 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 [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [79 x i8], align 1
@__PRETTY_FUNCTION__.cdc_hash_table_get = external hidden unnamed_addr constant [66 x i8], align 1

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

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 6) i32 @cdc_hash_table_get(ptr noundef %0, ptr noundef %1, ptr nocapture noundef writeonly %2) local_unnamed_addr #1 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %4, label %5

4:                                                ; preds = %3
  tail call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 386, ptr noundef nonnull @__PRETTY_FUNCTION__.cdc_hash_table_get) #2
  unreachable

5:                                                ; preds = %3
  %6 = tail call ptr @find_entry(ptr noundef nonnull %0, ptr noundef %1)
  %.not8 = icmp eq ptr %6, null
  br i1 %.not8, label %11, label %7

7:                                                ; preds = %5
  %8 = load ptr, ptr %6, align 8, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %8, i64 16
  %10 = load ptr, ptr %9, align 8, !tbaa !11
  store ptr %10, ptr %2, align 8, !tbaa !12
  br label %11

11:                                               ; preds = %5, %7
  %.0 = phi i32 [ 0, %7 ], [ 5, %5 ]
  ret i32 %.0
}

; Function Attrs: nounwind uwtable
declare hidden ptr @find_entry(ptr noundef, ptr noundef) local_unnamed_addr #1

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 = { 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 = { 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, !7, i64 0}
!6 = !{!"cdc_hash_table_entry", !7, i64 0, !7, i64 8, !7, i64 16, !10, i64 24}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!6, !7, i64 16}
!12 = !{!7, !7, i64 0}


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