; LLVM IR from DionysiosB/CodeForces :: 0700-0799 (755D-PolandBallAndPolygon)

; 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 [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [1 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  store i64 0, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  store i64 0, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store i64 1, ptr %6, align 8, !tbaa !5
  %9 = load i64, ptr %3, align 8, !tbaa !5
  %10 = load i64, ptr %2, align 8, !tbaa !5
  %11 = load i64, ptr %3, align 8, !tbaa !5
  %12 = sub nsw i64 %10, %11
  %13 = icmp slt i64 %9, %12
  br i1 %13, label %14, label %16

14:                                               ; preds = %0
  %15 = load i64, ptr %3, align 8, !tbaa !5
  br label %20

16:                                               ; preds = %0
  %17 = load i64, ptr %2, align 8, !tbaa !5
  %18 = load i64, ptr %3, align 8, !tbaa !5
  %19 = sub nsw i64 %17, %18
  br label %20

20:                                               ; preds = %16, %14
  %21 = phi i64 [ %15, %14 ], [ %19, %16 ]
  store i64 %21, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %22

22:                                               ; preds = %53, %20
  %23 = load i32, ptr %7, align 4, !tbaa !9
  %24 = sext i32 %23 to i64
  %25 = load i64, ptr %2, align 8, !tbaa !5
  %26 = icmp slt i64 %24, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  br label %56

28:                                               ; preds = %22
  %29 = load i64, ptr %3, align 8, !tbaa !5
  %30 = load i64, ptr %4, align 8, !tbaa !5
  %31 = add nsw i64 %30, %29
  store i64 %31, ptr %4, align 8, !tbaa !5
  %32 = load i64, ptr %5, align 8, !tbaa !5
  %33 = add nsw i64 %32, 1
  %34 = load i64, ptr %4, align 8, !tbaa !5
  %35 = load i64, ptr %2, align 8, !tbaa !5
  %36 = icmp sgt i64 %34, %35
  %37 = zext i1 %36 to i64
  %38 = add nsw i64 %33, %37
  %39 = load i64, ptr %6, align 8, !tbaa !5
  %40 = add nsw i64 %39, %38
  store i64 %40, ptr %6, align 8, !tbaa !5
  %41 = load i64, ptr %4, align 8, !tbaa !5
  %42 = load i64, ptr %2, align 8, !tbaa !5
  %43 = icmp sgt i64 %41, %42
  br i1 %43, label %44, label %50

44:                                               ; preds = %28
  %45 = load i64, ptr %5, align 8, !tbaa !5
  %46 = add nsw i64 %45, 2
  store i64 %46, ptr %5, align 8, !tbaa !5
  %47 = load i64, ptr %2, align 8, !tbaa !5
  %48 = load i64, ptr %4, align 8, !tbaa !5
  %49 = srem i64 %48, %47
  store i64 %49, ptr %4, align 8, !tbaa !5
  br label %50

50:                                               ; preds = %44, %28
  %51 = load i64, ptr %6, align 8, !tbaa !5
  %52 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %51)
  br label %53

53:                                               ; preds = %50
  %54 = load i32, ptr %7, align 4, !tbaa !9
  %55 = add nsw i32 %54, 1
  store i32 %55, ptr %7, align 4, !tbaa !9
  br label %22, !llvm.loop !11

56:                                               ; preds = %27
  %57 = call i32 @puts(ptr noundef @.str.2)
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 8, 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

declare i32 @printf(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

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 = !{!"long 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"

@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [1 x i8], align 1

; Function Attrs: mustprogress nofree norecurse nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %3 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  %4 = load i64, ptr %2, align 8
  %5 = load i64, ptr %1, align 8
  %6 = sub nsw i64 %5, %4
  %7 = call i64 @llvm.smin.i64(i64 %4, i64 %6)
  store i64 %7, ptr %2, align 8, !tbaa !5
  %8 = icmp sgt i64 %5, 0
  br i1 %8, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %21, %0
  %9 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.2)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #4
  ret i32 0

.lr.ph:                                           ; preds = %0, %21
  %indvars.iv = phi i64 [ %indvars.iv.next, %21 ], [ 0, %0 ]
  %10 = phi i64 [ %23, %21 ], [ %5, %0 ]
  %.01019 = phi i64 [ %17, %21 ], [ 1, %0 ]
  %.01118 = phi i64 [ %.1, %21 ], [ 0, %0 ]
  %.01217 = phi i64 [ %.113, %21 ], [ 0, %0 ]
  %11 = load i64, ptr %2, align 8, !tbaa !5
  %12 = add nsw i64 %11, %.01217
  %13 = add nsw i64 %.01118, 1
  %14 = icmp sgt i64 %12, %10
  %15 = zext i1 %14 to i64
  %16 = add i64 %13, %.01019
  %17 = add i64 %16, %15
  br i1 %14, label %18, label %21

18:                                               ; preds = %.lr.ph
  %19 = add nsw i64 %.01118, 2
  %20 = urem i64 %12, %10
  br label %21

21:                                               ; preds = %18, %.lr.ph
  %.113 = phi i64 [ %20, %18 ], [ %12, %.lr.ph ]
  %.1 = phi i64 [ %19, %18 ], [ %.01118, %.lr.ph ]
  %22 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %17)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %23 = load i64, ptr %1, align 8, !tbaa !5
  %24 = icmp sgt i64 %23, %indvars.iv.next
  br i1 %24, label %.lr.ph, label %._crit_edge, !llvm.loop !9
}

; 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: nofree nounwind
declare noundef i32 @printf(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: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smin.i64(i64, i64) #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 = !{!"long long", !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,EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass