; LLVM IR from nde-jesu/Doom_Nukem :: libft/srcs/control (ft_numlen)

; 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: nounwind uwtable
define dso_local i32 @ft_numlen(i64 noundef %0, i32 noundef %1) #0 {
  %3 = alloca i64, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i64 %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #2
  store i32 1, ptr %5, align 4, !tbaa !9
  %6 = load i32, ptr %4, align 4, !tbaa !9
  %7 = icmp ne i32 %6, 10
  br i1 %7, label %8, label %14

8:                                                ; preds = %2
  %9 = load i64, ptr %3, align 8, !tbaa !5
  %10 = icmp slt i64 %9, 0
  br i1 %10, label %11, label %14

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

14:                                               ; preds = %11, %8, %2
  %15 = load i64, ptr %3, align 8, !tbaa !5
  %16 = icmp slt i64 %15, 0
  br i1 %16, label %17, label %20

17:                                               ; preds = %14
  %18 = load i32, ptr %5, align 4, !tbaa !9
  %19 = add nsw i32 %18, 1
  store i32 %19, ptr %5, align 4, !tbaa !9
  br label %20

20:                                               ; preds = %17, %14
  br label %21

21:                                               ; preds = %27, %20
  %22 = load i64, ptr %3, align 8, !tbaa !5
  %23 = load i32, ptr %4, align 4, !tbaa !9
  %24 = sext i32 %23 to i64
  %25 = sdiv i64 %22, %24
  %26 = icmp ne i64 %25, 0
  br i1 %26, label %27, label %34

27:                                               ; preds = %21
  %28 = load i32, ptr %5, align 4, !tbaa !9
  %29 = add nsw i32 %28, 1
  store i32 %29, ptr %5, align 4, !tbaa !9
  %30 = load i32, ptr %4, align 4, !tbaa !9
  %31 = sext i32 %30 to i64
  %32 = load i64, ptr %3, align 8, !tbaa !5
  %33 = sdiv i64 %32, %31
  store i64 %33, ptr %3, align 8, !tbaa !5
  br label %21, !llvm.loop !11

34:                                               ; preds = %21
  %35 = load i32, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  ret i32 %35
}

; 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

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 }

!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 = !{!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 @ft_numlen(i64 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %.not16 = icmp eq i32 %1, 10
  %3 = tail call i64 @llvm.abs.i64(i64 %0, i1 true)
  %spec.select = select i1 %.not16, i64 %0, i64 %3
  %4 = icmp slt i64 %spec.select, 0
  %.0 = select i1 %4, i32 2, i32 1
  %5 = sext i32 %1 to i64
  br label %6

6:                                                ; preds = %6, %2
  %.113 = phi i64 [ %spec.select, %2 ], [ %7, %6 ]
  %.1 = phi i32 [ %.0, %2 ], [ %8, %6 ]
  %7 = sdiv i64 %.113, %5
  %.not = icmp eq i64 %7, 0
  %8 = add nuw nsw i32 %.1, 1
  br i1 %.not, label %9, label %6, !llvm.loop !5

9:                                                ; preds = %6
  ret i32 %.1
}

; 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: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LICMPass,LoopRotatePass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass