; LLVM IR from Tunghohin/Competitive_Coding :: Luogu (p1003)

; 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 [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [9 x i8], align 1
@a = external dso_local global [10005 x i32], align 16
@b = external dso_local global [10005 x i32], align 16
@g = external dso_local global [10005 x i32], align 16
@k = external dso_local global [10005 x i32], align 16
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local 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 i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  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 = %28, %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 %31

14:                                               ; preds = %9
  %15 = load i32, ptr %5, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [10005 x i32], ptr @a, i64 0, i64 %16
  %18 = load i32, ptr %5, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [10005 x i32], ptr @b, i64 0, i64 %19
  %21 = load i32, ptr %5, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [10005 x i32], ptr @g, i64 0, i64 %22
  %24 = load i32, ptr %5, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds [10005 x i32], ptr @k, i64 0, i64 %25
  %27 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %17, ptr noundef %20, ptr noundef %23, ptr noundef %26)
  br label %28

28:                                               ; preds = %14
  %29 = load i32, ptr %5, align 4, !tbaa !5
  %30 = add nsw i32 %29, 1
  store i32 %30, ptr %5, align 4, !tbaa !5
  br label %9, !llvm.loop !9

31:                                               ; preds = %13
  %32 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.2, ptr noundef %3, ptr noundef %4)
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  store i32 -1, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %33

33:                                               ; preds = %80, %31
  %34 = load i32, ptr %7, align 4, !tbaa !5
  %35 = load i32, ptr %2, align 4, !tbaa !5
  %36 = icmp slt i32 %34, %35
  br i1 %36, label %38, label %37

37:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  br label %83

38:                                               ; preds = %33
  %39 = load i32, ptr %3, align 4, !tbaa !5
  %40 = load i32, ptr %7, align 4, !tbaa !5
  %41 = sext i32 %40 to i64
  %42 = getelementptr inbounds [10005 x i32], ptr @a, i64 0, i64 %41
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = icmp sge i32 %39, %43
  br i1 %44, label %45, label %79

45:                                               ; preds = %38
  %46 = load i32, ptr %4, align 4, !tbaa !5
  %47 = load i32, ptr %7, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds [10005 x i32], ptr @b, i64 0, i64 %48
  %50 = load i32, ptr %49, align 4, !tbaa !5
  %51 = icmp sge i32 %46, %50
  br i1 %51, label %52, label %79

52:                                               ; preds = %45
  %53 = load i32, ptr %3, align 4, !tbaa !5
  %54 = load i32, ptr %7, align 4, !tbaa !5
  %55 = sext i32 %54 to i64
  %56 = getelementptr inbounds [10005 x i32], ptr @a, i64 0, i64 %55
  %57 = load i32, ptr %56, align 4, !tbaa !5
  %58 = load i32, ptr %7, align 4, !tbaa !5
  %59 = sext i32 %58 to i64
  %60 = getelementptr inbounds [10005 x i32], ptr @g, i64 0, i64 %59
  %61 = load i32, ptr %60, align 4, !tbaa !5
  %62 = add nsw i32 %57, %61
  %63 = icmp sle i32 %53, %62
  br i1 %63, label %64, label %79

64:                                               ; preds = %52
  %65 = load i32, ptr %4, align 4, !tbaa !5
  %66 = load i32, ptr %7, align 4, !tbaa !5
  %67 = sext i32 %66 to i64
  %68 = getelementptr inbounds [10005 x i32], ptr @b, i64 0, i64 %67
  %69 = load i32, ptr %68, align 4, !tbaa !5
  %70 = load i32, ptr %7, align 4, !tbaa !5
  %71 = sext i32 %70 to i64
  %72 = getelementptr inbounds [10005 x i32], ptr @k, i64 0, i64 %71
  %73 = load i32, ptr %72, align 4, !tbaa !5
  %74 = add nsw i32 %69, %73
  %75 = icmp sle i32 %65, %74
  br i1 %75, label %76, label %79

76:                                               ; preds = %64
  %77 = load i32, ptr %7, align 4, !tbaa !5
  %78 = add nsw i32 %77, 1
  store i32 %78, ptr %6, align 4, !tbaa !5
  br label %79

79:                                               ; preds = %76, %64, %52, %45, %38
  br label %80

80:                                               ; preds = %79
  %81 = load i32, ptr %7, align 4, !tbaa !5
  %82 = add nsw i32 %81, 1
  store i32 %82, ptr %7, align 4, !tbaa !5
  br label %33, !llvm.loop !11

83:                                               ; preds = %37
  %84 = load i32, ptr %6, align 4, !tbaa !5
  %85 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, i32 noundef %84)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #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 @printf(ptr noundef, ...) #2

attributes #0 = { 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 = { "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/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !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"

@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [9 x i8], align 1
@a = external dso_local global [10005 x i32], align 16
@b = external dso_local global [10005 x i32], align 16
@g = external dso_local global [10005 x i32], align 16
@k = external dso_local global [10005 x i32], align 16
@.str.2 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1

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

._crit_edge:                                      ; preds = %.lr.ph, %0
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.2, ptr noundef nonnull %2, ptr noundef nonnull %3)
  %8 = load i32, ptr %1, align 4, !tbaa !5
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.lr.ph29, label %._crit_edge30

.lr.ph29:                                         ; preds = %._crit_edge
  %10 = load i32, ptr %2, align 4, !tbaa !5
  %11 = load i32, ptr %3, align 4
  %wide.trip.count = zext nneg i32 %8 to i64
  br label %21

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %12 = getelementptr inbounds [10005 x i32], ptr @a, i64 0, i64 %indvars.iv
  %13 = getelementptr inbounds [10005 x i32], ptr @b, i64 0, i64 %indvars.iv
  %14 = getelementptr inbounds [10005 x i32], ptr @g, i64 0, i64 %indvars.iv
  %15 = getelementptr inbounds [10005 x i32], ptr @k, i64 0, i64 %indvars.iv
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %12, ptr noundef nonnull %13, ptr noundef nonnull %14, ptr noundef nonnull %15)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %17 = load i32, ptr %1, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = icmp slt i64 %indvars.iv.next, %18
  br i1 %19, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge30:                                    ; preds = %37, %._crit_edge
  %.016.lcssa = phi i32 [ -1, %._crit_edge ], [ %.1, %37 ]
  %20 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i32 noundef %.016.lcssa)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #3
  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

21:                                               ; preds = %.lr.ph29, %37
  %indvars.iv32 = phi i64 [ 0, %.lr.ph29 ], [ %indvars.iv.next33, %37 ]
  %.01626 = phi i32 [ -1, %.lr.ph29 ], [ %.1, %37 ]
  %22 = getelementptr inbounds [10005 x i32], ptr @a, i64 0, i64 %indvars.iv32
  %23 = load i32, ptr %22, align 4, !tbaa !5
  %.not = icmp slt i32 %10, %23
  br i1 %.not, label %37, label %24

24:                                               ; preds = %21
  %25 = getelementptr inbounds [10005 x i32], ptr @b, i64 0, i64 %indvars.iv32
  %26 = load i32, ptr %25, align 4, !tbaa !5
  %.not22 = icmp slt i32 %11, %26
  br i1 %.not22, label %37, label %27

27:                                               ; preds = %24
  %28 = getelementptr inbounds [10005 x i32], ptr @g, i64 0, i64 %indvars.iv32
  %29 = load i32, ptr %28, align 4, !tbaa !5
  %30 = add nsw i32 %29, %23
  %.not23 = icmp sgt i32 %10, %30
  br i1 %.not23, label %37, label %31

31:                                               ; preds = %27
  %32 = getelementptr inbounds [10005 x i32], ptr @k, i64 0, i64 %indvars.iv32
  %33 = load i32, ptr %32, align 4, !tbaa !5
  %34 = add nsw i32 %33, %26
  %.not24 = icmp sgt i32 %11, %34
  %35 = trunc i64 %indvars.iv32 to i32
  %36 = add i32 %35, 1
  %spec.select = select i1 %.not24, i32 %.01626, i32 %36
  br label %37

37:                                               ; preds = %31, %21, %24, %27
  %.1 = phi i32 [ %.01626, %27 ], [ %.01626, %24 ], [ %.01626, %21 ], [ %spec.select, %31 ]
  %indvars.iv.next33 = add nuw nsw i64 %indvars.iv32, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next33, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge30, label %21, !llvm.loop !11
}

; 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 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

attributes #0 = { nofree 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/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


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