; LLVM IR from DionysiosB/CodeForces :: 0800-0899 (899B-MonthsAndYears)

; 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"

@__const.main.arr = external hidden unnamed_addr constant [36 x i32], align 16
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = 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 [36 x i32], align 16
  %3 = alloca i32, align 4
  %4 = alloca [37 x i32], align 16
  %5 = alloca i32, align 4
  %6 = alloca i8, align 1
  %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 144, ptr %2) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %2, ptr align 16 @__const.main.arr, i64 144, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 148, ptr %4) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %11

11:                                               ; preds = %22, %0
  %12 = load i32, ptr %5, align 4, !tbaa !5
  %13 = load i32, ptr %3, align 4, !tbaa !5
  %14 = icmp slt i32 %12, %13
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %25

16:                                               ; preds = %11
  %17 = getelementptr inbounds [37 x i32], ptr %4, i64 0, i64 0
  %18 = load i32, ptr %5, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds i32, ptr %17, i64 %19
  %21 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %20)
  br label %22

22:                                               ; preds = %16
  %23 = load i32, ptr %5, align 4, !tbaa !5
  %24 = add nsw i32 %23, 1
  store i32 %24, ptr %5, align 4, !tbaa !5
  br label %11, !llvm.loop !9

25:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #4
  store i8 1, ptr %6, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %26

26:                                               ; preds = %60, %25
  %27 = load i32, ptr %7, align 4, !tbaa !5
  %28 = icmp slt i32 %27, 36
  br i1 %28, label %30, label %29

29:                                               ; preds = %26
  store i32 5, ptr %8, align 4
  br label %63

30:                                               ; preds = %26
  store i8 1, ptr %6, align 1, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %31

31:                                               ; preds = %51, %30
  %32 = load i32, ptr %9, align 4, !tbaa !5
  %33 = load i32, ptr %3, align 4, !tbaa !5
  %34 = icmp slt i32 %32, %33
  br i1 %34, label %36, label %35

35:                                               ; preds = %31
  store i32 8, ptr %8, align 4
  br label %54

36:                                               ; preds = %31
  %37 = load i32, ptr %9, align 4, !tbaa !5
  %38 = sext i32 %37 to i64
  %39 = getelementptr inbounds [37 x i32], ptr %4, i64 0, i64 %38
  %40 = load i32, ptr %39, align 4, !tbaa !5
  %41 = load i32, ptr %7, align 4, !tbaa !5
  %42 = load i32, ptr %9, align 4, !tbaa !5
  %43 = add nsw i32 %41, %42
  %44 = srem i32 %43, 36
  %45 = sext i32 %44 to i64
  %46 = getelementptr inbounds [36 x i32], ptr %2, i64 0, i64 %45
  %47 = load i32, ptr %46, align 4, !tbaa !5
  %48 = icmp ne i32 %40, %47
  br i1 %48, label %49, label %50

49:                                               ; preds = %36
  store i8 0, ptr %6, align 1, !tbaa !11
  store i32 8, ptr %8, align 4
  br label %54

50:                                               ; preds = %36
  br label %51

51:                                               ; preds = %50
  %52 = load i32, ptr %9, align 4, !tbaa !5
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %9, align 4, !tbaa !5
  br label %31, !llvm.loop !13

54:                                               ; preds = %49, %35
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  br label %55

55:                                               ; preds = %54
  %56 = load i8, ptr %6, align 1, !tbaa !11, !range !14, !noundef !15
  %57 = trunc i8 %56 to i1
  br i1 %57, label %58, label %59

58:                                               ; preds = %55
  store i32 5, ptr %8, align 4
  br label %63

59:                                               ; preds = %55
  br label %60

60:                                               ; preds = %59
  %61 = load i32, ptr %7, align 4, !tbaa !5
  %62 = add nsw i32 %61, 1
  store i32 %62, ptr %7, align 4, !tbaa !5
  br label %26, !llvm.loop !16

63:                                               ; preds = %58, %29
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %64

64:                                               ; preds = %63
  %65 = load i8, ptr %6, align 1, !tbaa !11, !range !14, !noundef !15
  %66 = trunc i8 %65 to i1
  %67 = zext i1 %66 to i64
  %68 = select i1 %66, ptr @.str.1, ptr @.str.2
  %69 = call i32 @puts(ptr noundef %68)
  store i32 0, ptr %1, align 4
  store i32 1, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 148, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 144, ptr %2) #4
  %70 = load i32, ptr %1, align 4
  ret i32 %70
}

; 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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

declare i32 @__isoc99_scanf(ptr noundef, ...) #3

; 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) #3

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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 #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"}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = distinct !{!13, !10}
!14 = !{i8 0, i8 2}
!15 = !{}
!16 = distinct !{!16, !10}


; 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"

@__const.main.arr = external hidden unnamed_addr constant [36 x i32], align 16
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = 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 [37 x i32], align 16
  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)
  call void @llvm.lifetime.start.p0(i64 148, ptr nonnull %2) #3
  %4 = load i32, ptr %1, align 4, !tbaa !5
  %5 = icmp sgt i32 %4, 0
  br i1 %5, label %.lr.ph, label %.thread

.preheader17:                                     ; preds = %.lr.ph
  %6 = icmp sgt i32 %9, 0
  br i1 %6, label %.preheader.preheader, label %.thread

.preheader.preheader:                             ; preds = %.preheader17
  %wide.trip.count = zext nneg i32 %9 to i64
  br label %.preheader

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %7 = getelementptr inbounds i32, ptr %2, i64 %indvars.iv
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %7)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %9 = load i32, ptr %1, align 4, !tbaa !5
  %10 = sext i32 %9 to i64
  %11 = icmp slt i64 %indvars.iv.next, %10
  br i1 %11, label %.lr.ph, label %.preheader17, !llvm.loop !9

.preheader:                                       ; preds = %.preheader.preheader, %22
  %indvars.iv30 = phi i64 [ 0, %.preheader.preheader ], [ %indvars.iv.next31, %22 ]
  br label %13

12:                                               ; preds = %13
  %indvars.iv.next28 = add nuw nsw i64 %indvars.iv27, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next28, %wide.trip.count
  br i1 %exitcond.not, label %.thread, label %13, !llvm.loop !11

13:                                               ; preds = %.preheader, %12
  %indvars.iv27 = phi i64 [ 0, %.preheader ], [ %indvars.iv.next28, %12 ]
  %14 = getelementptr inbounds [37 x i32], ptr %2, i64 0, i64 %indvars.iv27
  %15 = load i32, ptr %14, align 4, !tbaa !5
  %16 = add nuw nsw i64 %indvars.iv27, %indvars.iv30
  %17 = trunc nuw nsw i64 %16 to i32
  %18 = urem i32 %17, 36
  %19 = zext nneg i32 %18 to i64
  %20 = getelementptr inbounds [36 x i32], ptr @__const.main.arr, i64 0, i64 %19
  %21 = load i32, ptr %20, align 4, !tbaa !5
  %.not = icmp eq i32 %15, %21
  br i1 %.not, label %12, label %22

22:                                               ; preds = %13
  %indvars.iv.next31 = add nuw nsw i64 %indvars.iv30, 1
  %exitcond33.not = icmp eq i64 %indvars.iv.next31, 36
  br i1 %exitcond33.not, label %.thread, label %.preheader, !llvm.loop !12

.thread:                                          ; preds = %22, %12, %0, %.preheader17
  %.2 = phi ptr [ @.str.1, %.preheader17 ], [ @.str.1, %0 ], [ @.str.1, %12 ], [ @.str.2, %22 ]
  %23 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %.2)
  call void @llvm.lifetime.end.p0(i64 148, ptr nonnull %2) #3
  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"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass