; LLVM IR from DionysiosB/CodeForces :: 0100-0199 (108A-PalindromicTimes)

; 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 [6 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [11 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
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  store i32 0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !5
  %5 = 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
  %6 = load i32, ptr %2, align 4, !tbaa !5
  %7 = srem i32 %6, 10
  %8 = mul nsw i32 10, %7
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = sdiv i32 %9, 10
  %11 = add nsw i32 %8, %10
  store i32 %11, ptr %4, align 4, !tbaa !5
  %12 = load i32, ptr %4, align 4, !tbaa !5
  %13 = load i32, ptr %3, align 4, !tbaa !5
  %14 = icmp sle i32 %12, %13
  br i1 %14, label %18, label %15

15:                                               ; preds = %0
  %16 = load i32, ptr %4, align 4, !tbaa !5
  %17 = icmp sgt i32 %16, 59
  br i1 %17, label %18, label %34

18:                                               ; preds = %15, %0
  %19 = load i32, ptr %2, align 4, !tbaa !5
  %20 = add nsw i32 %19, 1
  store i32 %20, ptr %2, align 4, !tbaa !5
  %21 = load i32, ptr %2, align 4, !tbaa !5
  %22 = srem i32 %21, 10
  %23 = icmp sgt i32 %22, 5
  br i1 %23, label %24, label %31

24:                                               ; preds = %18
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = srem i32 %25, 10
  %27 = load i32, ptr %2, align 4, !tbaa !5
  %28 = sub nsw i32 %27, %26
  store i32 %28, ptr %2, align 4, !tbaa !5
  %29 = load i32, ptr %2, align 4, !tbaa !5
  %30 = add nsw i32 %29, 10
  store i32 %30, ptr %2, align 4, !tbaa !5
  br label %31

31:                                               ; preds = %24, %18
  %32 = load i32, ptr %2, align 4, !tbaa !5
  %33 = srem i32 %32, 24
  store i32 %33, ptr %2, align 4, !tbaa !5
  br label %34

34:                                               ; preds = %31, %15
  %35 = load i32, ptr %2, align 4, !tbaa !5
  %36 = srem i32 %35, 10
  %37 = mul nsw i32 10, %36
  %38 = load i32, ptr %2, align 4, !tbaa !5
  %39 = sdiv i32 %38, 10
  %40 = add nsw i32 %37, %39
  store i32 %40, ptr %4, align 4, !tbaa !5
  %41 = load i32, ptr %2, align 4, !tbaa !5
  %42 = sdiv i32 %41, 10
  %43 = load i32, ptr %2, align 4, !tbaa !5
  %44 = srem i32 %43, 10
  %45 = load i32, ptr %4, align 4, !tbaa !5
  %46 = sdiv i32 %45, 10
  %47 = load i32, ptr %4, align 4, !tbaa !5
  %48 = srem i32 %47, 10
  %49 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %42, i32 noundef %44, i32 noundef %46, i32 noundef %48)
  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

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

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"}


; 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 [6 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [11 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
  store i32 0, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #3
  store i32 0, ptr %2, align 4, !tbaa !5
  %3 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  %4 = load i32, ptr %1, align 4, !tbaa !5
  %5 = srem i32 %4, 10
  %6 = mul nsw i32 %5, 10
  %7 = sdiv i32 %4, 10
  %8 = add nsw i32 %6, %7
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = icmp sle i32 %8, %9
  %11 = icmp sgt i32 %8, 59
  %or.cond = or i1 %10, %11
  br i1 %or.cond, label %12, label %19

12:                                               ; preds = %0
  %13 = add nsw i32 %4, 1
  %14 = srem i32 %13, 10
  %15 = icmp sgt i32 %14, 5
  %16 = add i32 %4, 11
  %17 = sub i32 %16, %14
  %storemerge = select i1 %15, i32 %17, i32 %13
  %18 = srem i32 %storemerge, 24
  store i32 %18, ptr %1, align 4, !tbaa !5
  %.pre.lhs.trunc = trunc nsw i32 %18 to i8
  %.pre11 = srem i8 %.pre.lhs.trunc, 10
  %.pre.sext = sext i8 %.pre11 to i32
  %.pre5 = mul nsw i32 %.pre.sext, 10
  %.pre7.lhs.trunc = trunc nsw i32 %18 to i8
  %.pre712 = sdiv i8 %.pre7.lhs.trunc, 10
  %.pre7.sext = sext i8 %.pre712 to i32
  %.pre9 = add nsw i32 %.pre5, %.pre7.sext
  br label %19

19:                                               ; preds = %0, %12
  %.pre-phi10 = phi i32 [ %8, %0 ], [ %.pre9, %12 ]
  %.pre-phi8 = phi i32 [ %7, %0 ], [ %.pre7.sext, %12 ]
  %.pre-phi = phi i32 [ %5, %0 ], [ %.pre.sext, %12 ]
  %20 = sdiv i32 %.pre-phi10, 10
  %21 = srem i32 %.pre-phi10, 10
  %22 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %.pre-phi8, i32 noundef %.pre-phi, i32 noundef %20, i32 noundef %21)
  call void @llvm.lifetime.end.p0(i64 4, 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: 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

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"}


; Effective O3 passes: BDCEPass,CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass