; LLVM IR from tangjz/acm-icpc :: buaa/oj3rd (1111)

; 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"

@k = external dso_local global i32, align 4
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z5solvePcS_(ptr noundef, ptr noundef) #0

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z3maxii(i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %1 = alloca i32, align 4
  %2 = alloca [110 x i8], align 16
  %3 = alloca [110 x i8], align 16
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 110, ptr %2) #4
  call void @llvm.lifetime.start.p0(i64 110, ptr %3) #4
  br label %4

4:                                                ; preds = %11, %0
  %5 = getelementptr inbounds [110 x i8], ptr %2, i64 0, i64 0
  %6 = getelementptr inbounds i8, ptr %5, i64 1
  %7 = getelementptr inbounds [110 x i8], ptr %3, i64 0, i64 0
  %8 = getelementptr inbounds i8, ptr %7, i64 1
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %6, ptr noundef %8, ptr noundef @k)
  %10 = icmp eq i32 %9, 3
  br i1 %10, label %11, label %20

11:                                               ; preds = %4
  %12 = getelementptr inbounds [110 x i8], ptr %2, i64 0, i64 0
  %13 = getelementptr inbounds [110 x i8], ptr %3, i64 0, i64 0
  %14 = call noundef i32 @_Z5solvePcS_(ptr noundef %12, ptr noundef %13)
  %15 = getelementptr inbounds [110 x i8], ptr %3, i64 0, i64 0
  %16 = getelementptr inbounds [110 x i8], ptr %2, i64 0, i64 0
  %17 = call noundef i32 @_Z5solvePcS_(ptr noundef %15, ptr noundef %16)
  %18 = call noundef i32 @_Z3maxii(i32 noundef %14, i32 noundef %17)
  %19 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %18)
  br label %4, !llvm.loop !5

20:                                               ; preds = %4
  call void @llvm.lifetime.end.p0(i64 110, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 110, ptr %2) #4
  ret i32 0
}

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

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

attributes #0 = { mustprogress 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = distinct !{!5, !6}
!6 = !{!"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"

@k = external dso_local global i32, align 4
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z5solvePcS_(ptr noundef, ptr noundef) local_unnamed_addr #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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z3maxii(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress norecurse nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = alloca [110 x i8], align 16
  %2 = alloca [110 x i8], align 16
  call void @llvm.lifetime.start.p0(i64 110, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 110, ptr nonnull %2) #4
  %3 = getelementptr inbounds i8, ptr %1, i64 1
  %4 = getelementptr inbounds i8, ptr %2, i64 1
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %3, ptr noundef nonnull %4, ptr noundef nonnull @k)
  %6 = icmp eq i32 %5, 3
  br i1 %6, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %0, %.lr.ph
  %7 = call noundef i32 @_Z5solvePcS_(ptr noundef nonnull %1, ptr noundef nonnull %2)
  %8 = call noundef i32 @_Z5solvePcS_(ptr noundef nonnull %2, ptr noundef nonnull %1)
  %9 = call noundef i32 @_Z3maxii(i32 noundef %7, i32 noundef %8)
  %10 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %9)
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %3, ptr noundef nonnull %4, ptr noundef nonnull @k)
  %12 = icmp eq i32 %11, 3
  br i1 %12, label %.lr.ph, label %._crit_edge, !llvm.loop !5

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @llvm.lifetime.end.p0(i64 110, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 110, ptr nonnull %1) #4
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

attributes #0 = { mustprogress 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 = { mustprogress 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 #3 = { 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 #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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass