; LLVM IR from KamilSJaron/smudgeplot :: src_ploidyplot (gene_core)

; 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 @Number_Digits(i64 noundef %0) #1 {
  %2 = alloca i32, align 4
  %3 = alloca i64, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i64 %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #2
  %6 = load i64, ptr %3, align 8, !tbaa !5
  %7 = icmp eq i64 %6, 0
  br i1 %7, label %8, label %9

8:                                                ; preds = %1
  store i32 1, ptr %2, align 4
  store i32 1, ptr %5, align 4
  br label %27

9:                                                ; preds = %1
  %10 = load i64, ptr %3, align 8, !tbaa !5
  %11 = icmp slt i64 %10, 0
  br i1 %11, label %12, label %15

12:                                               ; preds = %9
  %13 = load i64, ptr %3, align 8, !tbaa !5
  %14 = sub nsw i64 0, %13
  store i64 %14, ptr %3, align 8, !tbaa !5
  store i32 1, ptr %4, align 4, !tbaa !9
  br label %16

15:                                               ; preds = %9
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %16

16:                                               ; preds = %15, %12
  br label %17

17:                                               ; preds = %20, %16
  %18 = load i64, ptr %3, align 8, !tbaa !5
  %19 = icmp sge i64 %18, 1
  br i1 %19, label %20, label %25

20:                                               ; preds = %17
  %21 = load i64, ptr %3, align 8, !tbaa !5
  %22 = sdiv i64 %21, 10
  store i64 %22, ptr %3, align 8, !tbaa !5
  %23 = load i32, ptr %4, align 4, !tbaa !9
  %24 = add nsw i32 %23, 1
  store i32 %24, ptr %4, align 4, !tbaa !9
  br label %17, !llvm.loop !11

25:                                               ; preds = %17
  %26 = load i32, ptr %4, align 4, !tbaa !9
  store i32 %26, ptr %2, align 4
  store i32 1, ptr %5, align 4
  br label %27

27:                                               ; preds = %25, %8
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #2
  %28 = load i32, ptr %2, align 4
  ret i32 %28
}

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 = !{!"long long", !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 = distinct !{!11, !12}
!12 = !{!"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(none) uwtable
define dso_local i32 @Number_Digits(i64 noundef %0) local_unnamed_addr #0 {
  %2 = icmp eq i64 %0, 0
  br i1 %2, label %.loopexit, label %3

3:                                                ; preds = %1
  %.08 = tail call i64 @llvm.abs.i64(i64 %0, i1 true)
  %.lobit = lshr i64 %0, 63
  %.0 = trunc nuw nsw i64 %.lobit to i32
  br label %4

4:                                                ; preds = %3, %4
  %.113 = phi i32 [ %.0, %3 ], [ %6, %4 ]
  %.1912 = phi i64 [ %.08, %3 ], [ %5, %4 ]
  %5 = udiv i64 %.1912, 10
  %6 = add nuw nsw i32 %.113, 1
  %.not = icmp ult i64 %.1912, 10
  br i1 %.not, label %.loopexit, label %4, !llvm.loop !5

.loopexit:                                        ; preds = %4, %1
  %.010 = phi i32 [ 1, %1 ], [ %6, %4 ]
  ret i32 %.010
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.abs.i64(i64, i1 immarg) #1

attributes #0 = { nofree norecurse nosync nounwind memory(none) 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 speculatable 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass