; LLVM IR from DionysiosB/CodeForces :: 0300-0399/300C-BeautifulNumbers.ll (Z11checkDigitslii)

; 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: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_Z11checkDigitslii(i64 noundef %0, i32 noundef %1, i32 noundef %2) #0 {
  %4 = alloca i1, align 1
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store i64 %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  br label %10

10:                                               ; preds = %30, %3
  %11 = load i64, ptr %5, align 8, !tbaa !5
  %12 = icmp sgt i64 %11, 0
  br i1 %12, label %13, label %31

13:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #2
  %14 = load i64, ptr %5, align 8, !tbaa !5
  %15 = srem i64 %14, 10
  %16 = trunc i64 %15 to i32
  store i32 %16, ptr %8, align 4, !tbaa !9
  %17 = load i64, ptr %5, align 8, !tbaa !5
  %18 = sdiv i64 %17, 10
  store i64 %18, ptr %5, align 8, !tbaa !5
  %19 = load i32, ptr %8, align 4, !tbaa !9
  %20 = load i32, ptr %6, align 4, !tbaa !9
  %21 = icmp ne i32 %19, %20
  br i1 %21, label %22, label %27

22:                                               ; preds = %13
  %23 = load i32, ptr %8, align 4, !tbaa !9
  %24 = load i32, ptr %7, align 4, !tbaa !9
  %25 = icmp ne i32 %23, %24
  br i1 %25, label %26, label %27

26:                                               ; preds = %22
  store i1 false, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %28

27:                                               ; preds = %22, %13
  store i32 0, ptr %9, align 4
  br label %28

28:                                               ; preds = %27, %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #2
  %29 = load i32, ptr %9, align 4
  switch i32 %29, label %34 [
    i32 0, label %30
    i32 1, label %32
  ]

30:                                               ; preds = %28
  br label %10, !llvm.loop !11

31:                                               ; preds = %10
  store i1 true, ptr %4, align 1
  br label %32

32:                                               ; preds = %31, %28
  %33 = load i1, ptr %4, align 1
  ret i1 %33

34:                                               ; preds = %28
  unreachable
}

; 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 = { mustprogress 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++ 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: mustprogress nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local noundef zeroext i1 @_Z11checkDigitslii(i64 noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  br label %4

4:                                                ; preds = %6, %3
  %.09 = phi i64 [ %0, %3 ], [ %9, %6 ]
  %5 = icmp slt i64 %.09, 1
  br i1 %5, label %10, label %6

6:                                                ; preds = %4
  %7 = urem i64 %.09, 10
  %8 = trunc nuw nsw i64 %7 to i32
  %9 = udiv i64 %.09, 10
  %.not = icmp eq i32 %8, %1
  %.not11 = icmp eq i32 %8, %2
  %or.cond = or i1 %.not, %.not11
  br i1 %or.cond, label %4, label %10

10:                                               ; preds = %4, %6
  ret i1 %5
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn 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" }

!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)"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass