; LLVM IR from adventure-db/adventure :: src/struct (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"

@stderr = external global ptr, align 8
@.str = external hidden unnamed_addr constant [43 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [74 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local ptr @trie_create() #0 {
  %1 = alloca ptr, align 8
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %4 = call noalias ptr @calloc(i64 noundef 1, i64 noundef 24) #6
  store ptr %4, ptr %2, align 8, !tbaa !5
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = icmp ne ptr %5, null
  br i1 %6, label %21, label %7

7:                                                ; preds = %0
  %8 = load ptr, ptr @stderr, align 8, !tbaa !5
  %9 = call ptr @__errno_location() #7
  %10 = load i32, ptr %9, align 4, !tbaa !9
  %11 = icmp eq i32 %10, 0
  br i1 %11, label %12, label %13

12:                                               ; preds = %7
  br label %17

13:                                               ; preds = %7
  %14 = call ptr @__errno_location() #7
  %15 = load i32, ptr %14, align 4, !tbaa !9
  %16 = call ptr @strerror(i32 noundef %15) #5
  br label %17

17:                                               ; preds = %13, %12
  %18 = phi ptr [ @.str.2, %12 ], [ %16, %13 ]
  %19 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %8, ptr noundef @.str, ptr noundef @.str.1, i32 noundef 9, ptr noundef %18) #5
  %20 = call ptr @__errno_location() #7
  store i32 0, ptr %20, align 4, !tbaa !9
  br label %23

21:                                               ; preds = %0
  %22 = load ptr, ptr %2, align 8, !tbaa !5
  store ptr %22, ptr %1, align 8
  store i32 1, ptr %3, align 4
  br label %24

23:                                               ; preds = %17
  store ptr null, ptr %1, align 8
  store i32 1, ptr %3, align 4
  br label %24

24:                                               ; preds = %23, %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %25 = load ptr, ptr %1, align 8
  ret ptr %25
}

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

; Function Attrs: nounwind allocsize(0,1)
declare noalias ptr @calloc(i64 noundef, i64 noundef) #2

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #3

; Function Attrs: nounwind willreturn memory(none)
declare ptr @__errno_location() #4

; Function Attrs: nounwind
declare ptr @strerror(i32 noundef) #3

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

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { 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 = { nounwind willreturn memory(none) "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 = { nounwind allocsize(0,1) }
attributes #7 = { nounwind willreturn memory(none) }

!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}


; 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 [43 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [74 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local noalias noundef ptr @trie_create() local_unnamed_addr #0 {
  %1 = tail call noalias dereferenceable_or_null(24) ptr @calloc(i64 noundef 1, i64 noundef 24) #5
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %2, label %12

2:                                                ; preds = %0
  %3 = load ptr, ptr @stderr, align 8, !tbaa !5
  %4 = tail call ptr @__errno_location() #6
  %5 = load i32, ptr %4, align 4, !tbaa !9
  %6 = icmp eq i32 %5, 0
  br i1 %6, label %9, label %7

7:                                                ; preds = %2
  %8 = tail call ptr @strerror(i32 noundef %5) #7
  br label %9

9:                                                ; preds = %2, %7
  %10 = phi ptr [ %8, %7 ], [ @.str.2, %2 ]
  %11 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %3, ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 9, ptr noundef %10) #8
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %12

12:                                               ; preds = %0, %9
  ret ptr %1
}

; 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 #1

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
declare ptr @__errno_location() local_unnamed_addr #3

; Function Attrs: nounwind
declare ptr @strerror(i32 noundef) local_unnamed_addr #4

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 = { 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 #2 = { 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 #3 = { mustprogress nofree nosync nounwind willreturn memory(none) "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 "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 allocsize(0,1) }
attributes #6 = { nounwind willreturn memory(none) }
attributes #7 = { nounwind }
attributes #8 = { cold 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}


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