; LLVM IR from rolinh/dfc :: src (util)

; 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"

; 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 uwtable
define dso_local i32 @humanize_i(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #2
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %4

4:                                                ; preds = %13, %1
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = load i64, ptr %5, align 8, !tbaa !11
  %7 = icmp uge i64 %6, 10000
  br i1 %7, label %8, label %11

8:                                                ; preds = %4
  %9 = load i32, ptr %3, align 4, !tbaa !9
  %10 = icmp slt i32 %9, 8
  br label %11

11:                                               ; preds = %8, %4
  %12 = phi i1 [ false, %4 ], [ %10, %8 ]
  br i1 %12, label %13, label %19

13:                                               ; preds = %11
  %14 = load ptr, ptr %2, align 8, !tbaa !5
  %15 = load i64, ptr %14, align 8, !tbaa !11
  %16 = udiv i64 %15, 1000
  store i64 %16, ptr %14, align 8, !tbaa !11
  %17 = load i32, ptr %3, align 4, !tbaa !9
  %18 = add nsw i32 %17, 1
  store i32 %18, ptr %3, align 4, !tbaa !9
  br label %4, !llvm.loop !13

19:                                               ; preds = %11
  %20 = load i32, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #2
  ret i32 %20
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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: nofree norecurse nosync nounwind memory(argmem: readwrite) uwtable
define dso_local i32 @humanize_i(ptr nocapture noundef %0) local_unnamed_addr #0 {
  %.promoted = load i64, ptr %0, align 8, !tbaa !5
  %2 = icmp ugt i64 %.promoted, 9999
  br i1 %2, label %.lr.ph, label %14

.lr.ph:                                           ; preds = %1
  %3 = udiv i64 %.promoted, 1000
  %4 = icmp ugt i64 %.promoted, 9999999
  br i1 %4, label %.lr.ph.1, label %._crit_edge, !llvm.loop !9

.lr.ph.1:                                         ; preds = %.lr.ph
  %5 = udiv i64 %.promoted, 1000000
  %6 = icmp ugt i64 %.promoted, 9999999999
  br i1 %6, label %.lr.ph.2, label %._crit_edge, !llvm.loop !9

.lr.ph.2:                                         ; preds = %.lr.ph.1
  %7 = udiv i64 %.promoted, 1000000000
  %8 = icmp ugt i64 %.promoted, 9999999999999
  br i1 %8, label %.lr.ph.3, label %._crit_edge, !llvm.loop !9

.lr.ph.3:                                         ; preds = %.lr.ph.2
  %9 = udiv i64 %.promoted, 1000000000000
  %10 = icmp ugt i64 %.promoted, 9999999999999999
  br i1 %10, label %.lr.ph.4, label %._crit_edge, !llvm.loop !9

.lr.ph.4:                                         ; preds = %.lr.ph.3
  %11 = udiv i64 %.promoted, 1000000000000000
  %12 = icmp ugt i64 %.promoted, -8446744073709551617
  br i1 %12, label %.lr.ph.5, label %._crit_edge, !llvm.loop !9

.lr.ph.5:                                         ; preds = %.lr.ph.4
  %13 = udiv i64 %.promoted, 1000000000000000000
  br label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph.5, %.lr.ph.4, %.lr.ph.3, %.lr.ph.2, %.lr.ph.1, %.lr.ph
  %.lcssa9 = phi i64 [ %3, %.lr.ph ], [ %5, %.lr.ph.1 ], [ %7, %.lr.ph.2 ], [ %9, %.lr.ph.3 ], [ %11, %.lr.ph.4 ], [ %13, %.lr.ph.5 ]
  %.lcssa = phi i32 [ 1, %.lr.ph ], [ 2, %.lr.ph.1 ], [ 3, %.lr.ph.2 ], [ 4, %.lr.ph.3 ], [ 5, %.lr.ph.4 ], [ 6, %.lr.ph.5 ]
  store i64 %.lcssa9, ptr %0, align 8, !tbaa !5
  br label %14

14:                                               ; preds = %._crit_edge, %1
  %.0.lcssa = phi i32 [ %.lcssa, %._crit_edge ], [ 0, %1 ]
  ret i32 %.0.lcssa
}

attributes #0 = { nofree norecurse nosync nounwind memory(argmem: 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" }

!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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass