; LLVM IR from DionysiosB/CodeForces :: 0001-0099 (14B-YoungPhotographer)

; 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"

@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 0, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 1001, ptr %5, align 4, !tbaa !5
  br label %11

11:                                               ; preds = %36, %0
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = add nsw i32 %12, -1
  store i32 %13, ptr %2, align 4, !tbaa !5
  %14 = icmp ne i32 %12, 0
  br i1 %14, label %15, label %37

15:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %6, ptr noundef %7)
  %17 = load i32, ptr %6, align 4, !tbaa !5
  %18 = load i32, ptr %7, align 4, !tbaa !5
  %19 = icmp sgt i32 %17, %18
  br i1 %19, label %20, label %24

20:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  %21 = load i32, ptr %6, align 4, !tbaa !5
  store i32 %21, ptr %8, align 4, !tbaa !5
  %22 = load i32, ptr %7, align 4, !tbaa !5
  store i32 %22, ptr %6, align 4, !tbaa !5
  %23 = load i32, ptr %8, align 4, !tbaa !5
  store i32 %23, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  br label %24

24:                                               ; preds = %20, %15
  %25 = load i32, ptr %7, align 4, !tbaa !5
  %26 = load i32, ptr %5, align 4, !tbaa !5
  %27 = icmp slt i32 %25, %26
  br i1 %27, label %28, label %30

28:                                               ; preds = %24
  %29 = load i32, ptr %7, align 4, !tbaa !5
  store i32 %29, ptr %5, align 4, !tbaa !5
  br label %30

30:                                               ; preds = %28, %24
  %31 = load i32, ptr %6, align 4, !tbaa !5
  %32 = load i32, ptr %4, align 4, !tbaa !5
  %33 = icmp sgt i32 %31, %32
  br i1 %33, label %34, label %36

34:                                               ; preds = %30
  %35 = load i32, ptr %6, align 4, !tbaa !5
  store i32 %35, ptr %4, align 4, !tbaa !5
  br label %36

36:                                               ; preds = %34, %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  br label %11, !llvm.loop !9

37:                                               ; preds = %11
  %38 = load i32, ptr %4, align 4, !tbaa !5
  %39 = load i32, ptr %5, align 4, !tbaa !5
  %40 = icmp sgt i32 %38, %39
  br i1 %40, label %41, label %43

41:                                               ; preds = %37
  %42 = call i32 @puts(ptr noundef @.str.1)
  br label %83

43:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  store i32 1001, ptr %9, align 4, !tbaa !5
  %44 = load i32, ptr %4, align 4, !tbaa !5
  %45 = load i32, ptr %3, align 4, !tbaa !5
  %46 = icmp sle i32 %44, %45
  br i1 %46, label %47, label %52

47:                                               ; preds = %43
  %48 = load i32, ptr %3, align 4, !tbaa !5
  %49 = load i32, ptr %5, align 4, !tbaa !5
  %50 = icmp sle i32 %48, %49
  br i1 %50, label %51, label %52

51:                                               ; preds = %47
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %52

52:                                               ; preds = %51, %47, %43
  %53 = load i32, ptr %3, align 4, !tbaa !5
  %54 = load i32, ptr %4, align 4, !tbaa !5
  %55 = icmp slt i32 %53, %54
  br i1 %55, label %56, label %66

56:                                               ; preds = %52
  %57 = load i32, ptr %9, align 4, !tbaa !5
  %58 = load i32, ptr %4, align 4, !tbaa !5
  %59 = load i32, ptr %3, align 4, !tbaa !5
  %60 = sub nsw i32 %58, %59
  %61 = icmp sgt i32 %57, %60
  br i1 %61, label %62, label %66

62:                                               ; preds = %56
  %63 = load i32, ptr %4, align 4, !tbaa !5
  %64 = load i32, ptr %3, align 4, !tbaa !5
  %65 = sub nsw i32 %63, %64
  store i32 %65, ptr %9, align 4, !tbaa !5
  br label %66

66:                                               ; preds = %62, %56, %52
  %67 = load i32, ptr %3, align 4, !tbaa !5
  %68 = load i32, ptr %5, align 4, !tbaa !5
  %69 = icmp sgt i32 %67, %68
  br i1 %69, label %70, label %80

70:                                               ; preds = %66
  %71 = load i32, ptr %9, align 4, !tbaa !5
  %72 = load i32, ptr %3, align 4, !tbaa !5
  %73 = load i32, ptr %5, align 4, !tbaa !5
  %74 = sub nsw i32 %72, %73
  %75 = icmp sgt i32 %71, %74
  br i1 %75, label %76, label %80

76:                                               ; preds = %70
  %77 = load i32, ptr %3, align 4, !tbaa !5
  %78 = load i32, ptr %5, align 4, !tbaa !5
  %79 = sub nsw i32 %77, %78
  store i32 %79, ptr %9, align 4, !tbaa !5
  br label %80

80:                                               ; preds = %76, %70, %66
  %81 = load i32, ptr %9, align 4, !tbaa !5
  %82 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %81)
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  br label %83

83:                                               ; preds = %80, %41
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #3
  ret i32 0
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare i32 @puts(ptr noundef) #2

declare i32 @printf(ptr noundef, ...) #2

attributes #0 = { mustprogress norecurse 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 = { "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 }

!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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"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"

@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress nofree norecurse nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  %6 = load i32, ptr %1, align 4, !tbaa !5
  %7 = add nsw i32 %6, -1
  store i32 %7, ptr %1, align 4, !tbaa !5
  %.not33 = icmp eq i32 %6, 0
  br i1 %.not33, label %._crit_edge.thread, label %.lr.ph

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.01635 = phi i32 [ %.117, %.lr.ph ], [ 0, %0 ]
  %.01834 = phi i32 [ %spec.select, %.lr.ph ], [ 1001, %0 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %3, ptr noundef nonnull %4)
  %9 = load i32, ptr %3, align 4, !tbaa !5
  %10 = load i32, ptr %4, align 4, !tbaa !5
  %spec.select41 = call i32 @llvm.smin.i32(i32 %9, i32 %10)
  %spec.select42 = call i32 @llvm.smax.i32(i32 %9, i32 %10)
  %spec.select = call i32 @llvm.smin.i32(i32 %spec.select42, i32 %.01834)
  %.117 = call i32 @llvm.smax.i32(i32 %spec.select41, i32 %.01635)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  %11 = load i32, ptr %1, align 4, !tbaa !5
  %12 = add nsw i32 %11, -1
  store i32 %12, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %11, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph
  %13 = icmp sgt i32 %.117, %spec.select
  br i1 %13, label %14, label %._crit_edge.thread

14:                                               ; preds = %._crit_edge
  %15 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.1)
  br label %20

._crit_edge.thread:                               ; preds = %0, %._crit_edge
  %.016.lcssa40 = phi i32 [ %.117, %._crit_edge ], [ 0, %0 ]
  %.018.lcssa39 = phi i32 [ %spec.select, %._crit_edge ], [ 1001, %0 ]
  %16 = load i32, ptr %2, align 4, !tbaa !5
  %.not29 = icmp sgt i32 %.016.lcssa40, %16
  %.not30 = icmp sgt i32 %16, %.018.lcssa39
  %or.cond = or i1 %.not29, %.not30
  %.0 = select i1 %or.cond, i32 1001, i32 0
  %17 = sub nsw i32 %.016.lcssa40, %16
  %spec.select31 = call i32 @llvm.smin.i32(i32 %.0, i32 %17)
  %.1 = select i1 %.not29, i32 %spec.select31, i32 %.0
  %18 = sub nsw i32 %16, %.018.lcssa39
  %spec.select32 = call i32 @llvm.smin.i32(i32 %.1, i32 %18)
  %.2 = select i1 %.not30, i32 %spec.select32, i32 %.1
  %19 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %.2)
  br label %20

20:                                               ; preds = %._crit_edge.thread, %14
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #4
  ret i32 0
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smin.i32(i32, i32) #3

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smax.i32(i32, i32) #3

attributes #0 = { mustprogress nofree norecurse 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nofree nounwind "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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,DSEPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass