; LLVM IR from DionysiosB/CodeForces :: 0400-0499 (433A-KitaharaHarukisGift)

; 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 [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [3 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 i8, align 1
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !5
  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 0, ptr %5, align 4, !tbaa !5
  br label %9

9:                                                ; preds = %25, %0
  %10 = load i32, ptr %5, align 4, !tbaa !5
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = icmp slt i32 %10, %11
  br i1 %12, label %14, label %13

13:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  br label %28

14:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %6)
  %16 = load i32, ptr %6, align 4, !tbaa !5
  %17 = icmp eq i32 %16, 100
  br i1 %17, label %18, label %21

18:                                               ; preds = %14
  %19 = load i32, ptr %3, align 4, !tbaa !5
  %20 = add nsw i32 %19, 1
  store i32 %20, ptr %3, align 4, !tbaa !5
  br label %24

21:                                               ; preds = %14
  %22 = load i32, ptr %4, align 4, !tbaa !5
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %4, align 4, !tbaa !5
  br label %24

24:                                               ; preds = %21, %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  br label %25

25:                                               ; preds = %24
  %26 = load i32, ptr %5, align 4, !tbaa !5
  %27 = add nsw i32 %26, 1
  store i32 %27, ptr %5, align 4, !tbaa !5
  br label %9, !llvm.loop !9

28:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #3
  store i8 1, ptr %7, align 1, !tbaa !11
  %29 = load i32, ptr %3, align 4, !tbaa !5
  %30 = srem i32 %29, 2
  %31 = icmp eq i32 %30, 1
  br i1 %31, label %32, label %33

32:                                               ; preds = %28
  store i8 0, ptr %7, align 1, !tbaa !11
  br label %42

33:                                               ; preds = %28
  %34 = load i32, ptr %4, align 4, !tbaa !5
  %35 = srem i32 %34, 2
  %36 = icmp eq i32 %35, 1
  br i1 %36, label %37, label %41

37:                                               ; preds = %33
  %38 = load i32, ptr %3, align 4, !tbaa !5
  %39 = icmp slt i32 %38, 2
  br i1 %39, label %40, label %41

40:                                               ; preds = %37
  store i8 0, ptr %7, align 1, !tbaa !11
  br label %41

41:                                               ; preds = %40, %37, %33
  br label %42

42:                                               ; preds = %41, %32
  %43 = load i8, ptr %7, align 1, !tbaa !11, !range !13, !noundef !14
  %44 = trunc i8 %43 to i1
  %45 = zext i1 %44 to i64
  %46 = select i1 %44, ptr @.str.2, ptr @.str.3
  %47 = call i32 @puts(ptr noundef %46)
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #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

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"}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}


; 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 [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [3 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
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #3
  %3 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %4 = load i32, ptr %1, align 4, !tbaa !5
  %5 = icmp sgt i32 %4, 0
  br i1 %5, label %.lr.ph, label %._crit_edge.thread

._crit_edge:                                      ; preds = %.lr.ph
  %6 = and i32 %.1, 1
  %7 = icmp ne i32 %6, 0
  %8 = and i32 %.112, 1
  %.not = icmp eq i32 %8, 0
  br i1 %.not, label %._crit_edge.thread, label %18

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.0915 = phi i32 [ %14, %.lr.ph ], [ 0, %0 ]
  %.01014 = phi i32 [ %.1, %.lr.ph ], [ 0, %0 ]
  %.01113 = phi i32 [ %.112, %.lr.ph ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #3
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2)
  %10 = load i32, ptr %2, align 4, !tbaa !5
  %11 = icmp eq i32 %10, 100
  %12 = zext i1 %11 to i32
  %.112 = add nuw nsw i32 %.01113, %12
  %not. = xor i1 %11, true
  %13 = zext i1 %not. to i32
  %.1 = add nuw nsw i32 %.01014, %13
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #3
  %14 = add nuw nsw i32 %.0915, 1
  %15 = load i32, ptr %1, align 4, !tbaa !5
  %16 = icmp slt i32 %14, %15
  br i1 %16, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge.thread:                               ; preds = %0, %._crit_edge
  %.010.lcssa20 = phi i1 [ %7, %._crit_edge ], [ false, %0 ]
  %.011.lcssa19 = phi i32 [ %.112, %._crit_edge ], [ 0, %0 ]
  %17 = icmp slt i32 %.011.lcssa19, 2
  %or.cond = and i1 %.010.lcssa20, %17
  %spec.select = select i1 %or.cond, ptr @.str.3, ptr @.str.2
  br label %18

18:                                               ; preds = %._crit_edge.thread, %._crit_edge
  %.0 = phi ptr [ @.str.3, %._crit_edge ], [ %spec.select, %._crit_edge.thread ]
  %19 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %.0)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #3
  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

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 = { 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: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass