; LLVM IR from dpt/Containers :: libraries/datastruct/critbit (create)

; 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.critbit = type { ptr, i32, i32, ptr, ptr, ptr }

; Function Attrs: nounwind uwtable
define dso_local i64 @critbit_create(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #0 {
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  %12 = load ptr, ptr %9, align 8, !tbaa !5
  store ptr null, ptr %12, align 8, !tbaa !5
  %13 = call noalias ptr @malloc(i64 noundef 40) #4
  store ptr %13, ptr %10, align 8, !tbaa !5
  %14 = load ptr, ptr %10, align 8, !tbaa !5
  %15 = icmp eq ptr %14, null
  br i1 %15, label %16, label %17

16:                                               ; preds = %4
  store i64 1, ptr %5, align 8
  store i32 1, ptr %11, align 4
  br label %35

17:                                               ; preds = %4
  %18 = load ptr, ptr %10, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.critbit, ptr %18, i32 0, i32 0
  store ptr null, ptr %19, align 8, !tbaa !9
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = load ptr, ptr %10, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.critbit, ptr %21, i32 0, i32 3
  store ptr %20, ptr %22, align 8, !tbaa !12
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = load ptr, ptr %10, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.critbit, ptr %24, i32 0, i32 4
  store ptr %23, ptr %25, align 8, !tbaa !13
  %26 = load ptr, ptr %8, align 8, !tbaa !5
  %27 = load ptr, ptr %10, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.critbit, ptr %27, i32 0, i32 5
  store ptr %26, ptr %28, align 8, !tbaa !14
  %29 = load ptr, ptr %10, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.critbit, ptr %29, i32 0, i32 1
  store i32 0, ptr %30, align 8, !tbaa !15
  %31 = load ptr, ptr %10, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.critbit, ptr %31, i32 0, i32 2
  store i32 0, ptr %32, align 4, !tbaa !16
  %33 = load ptr, ptr %10, align 8, !tbaa !5
  %34 = load ptr, ptr %9, align 8, !tbaa !5
  store ptr %33, ptr %34, align 8, !tbaa !5
  store i64 0, ptr %5, align 8
  store i32 1, ptr %11, align 4
  br label %35

35:                                               ; preds = %17, %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  %36 = load i64, ptr %5, align 8
  ret i64 %36
}

; 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)
declare noalias ptr @malloc(i64 noundef) #2

; 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) "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 }
attributes #4 = { 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 0}
!10 = !{!"critbit", !6, i64 0, !11, i64 8, !11, i64 12, !6, i64 16, !6, i64 24, !6, i64 32}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 16}
!13 = !{!10, !6, i64 24}
!14 = !{!10, !6, i64 32}
!15 = !{!10, !11, i64 8}
!16 = !{!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"

; Function Attrs: mustprogress nofree nounwind willreturn memory(write, inaccessiblemem: readwrite) uwtable
define dso_local range(i64 0, 2) i64 @critbit_create(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr nocapture noundef writeonly %3) local_unnamed_addr #0 {
  store ptr null, ptr %3, align 8, !tbaa !5
  %5 = tail call noalias dereferenceable_or_null(40) ptr @malloc(i64 noundef 40) #2
  %6 = icmp eq ptr %5, null
  br i1 %6, label %13, label %7

7:                                                ; preds = %4
  store ptr null, ptr %5, align 8, !tbaa !9
  %8 = getelementptr inbounds i8, ptr %5, i64 16
  store ptr %0, ptr %8, align 8, !tbaa !12
  %9 = getelementptr inbounds i8, ptr %5, i64 24
  store ptr %1, ptr %9, align 8, !tbaa !13
  %10 = getelementptr inbounds i8, ptr %5, i64 32
  store ptr %2, ptr %10, align 8, !tbaa !14
  %11 = getelementptr inbounds i8, ptr %5, i64 8
  store i32 0, ptr %11, align 8, !tbaa !15
  %12 = getelementptr inbounds i8, ptr %5, i64 12
  store i32 0, ptr %12, align 4, !tbaa !16
  store ptr %5, ptr %3, align 8, !tbaa !5
  br label %13

13:                                               ; preds = %4, %7
  %.0 = phi i64 [ 0, %7 ], [ 1, %4 ]
  ret i64 %.0
}

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

attributes #0 = { mustprogress nofree nounwind willreturn memory(write, inaccessiblemem: readwrite) 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,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 #2 = { 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 0}
!10 = !{!"critbit", !6, i64 0, !11, i64 8, !11, i64 12, !6, i64 16, !6, i64 24, !6, i64 32}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 16}
!13 = !{!10, !6, i64 24}
!14 = !{!10, !6, i64 32}
!15 = !{!10, !11, i64 8}
!16 = !{!10, !11, i64 12}


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