; LLVM IR from UtkarshPathrabe/Competitive-Coding :: SPOJ Solutions (GSS3)

; 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"

%struct.no = type { i32, i32, i32, i32 }

@array = external dso_local global [100001 x i32], align 16
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z4initiii(i32 noundef, i32 noundef, i32 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 uwtable
declare dso_local void @_Z6updateiiiii(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i64 } @_Z5queryiiiii(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %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
  %8 = alloca %struct.no, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3)
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %10

10:                                               ; preds = %19, %0
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = load i32, ptr %3, align 4, !tbaa !5
  %13 = icmp slt i32 %11, %12
  br i1 %13, label %14, label %22

14:                                               ; preds = %10
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds i32, ptr @array, i64 %16
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %17)
  br label %19

19:                                               ; preds = %14
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = add nsw i32 %20, 1
  store i32 %21, ptr %2, align 4, !tbaa !5
  br label %10, !llvm.loop !9

22:                                               ; preds = %10
  %23 = load i32, ptr %3, align 4, !tbaa !5
  %24 = sub nsw i32 %23, 1
  call void @_Z4initiii(i32 noundef 1, i32 noundef 0, i32 noundef %24)
  %25 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %4)
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %26

26:                                               ; preds = %56, %22
  %27 = load i32, ptr %2, align 4, !tbaa !5
  %28 = load i32, ptr %4, align 4, !tbaa !5
  %29 = icmp slt i32 %27, %28
  br i1 %29, label %30, label %59

30:                                               ; preds = %26
  %31 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %5, ptr noundef %6, ptr noundef %7)
  %32 = load i32, ptr %5, align 4, !tbaa !5
  %33 = icmp eq i32 %32, 0
  br i1 %33, label %34, label %40

34:                                               ; preds = %30
  %35 = load i32, ptr %6, align 4, !tbaa !5
  %36 = sub nsw i32 %35, 1
  %37 = load i32, ptr %7, align 4, !tbaa !5
  %38 = load i32, ptr %3, align 4, !tbaa !5
  %39 = sub nsw i32 %38, 1
  call void @_Z6updateiiiii(i32 noundef 1, i32 noundef %36, i32 noundef %37, i32 noundef 0, i32 noundef %39)
  br label %55

40:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 16, ptr %8) #4
  %41 = load i32, ptr %3, align 4, !tbaa !5
  %42 = sub nsw i32 %41, 1
  %43 = load i32, ptr %6, align 4, !tbaa !5
  %44 = sub nsw i32 %43, 1
  %45 = load i32, ptr %7, align 4, !tbaa !5
  %46 = sub nsw i32 %45, 1
  %47 = call { i64, i64 } @_Z5queryiiiii(i32 noundef 1, i32 noundef 0, i32 noundef %42, i32 noundef %44, i32 noundef %46)
  %48 = getelementptr inbounds { i64, i64 }, ptr %8, i32 0, i32 0
  %49 = extractvalue { i64, i64 } %47, 0
  store i64 %49, ptr %48, align 4
  %50 = getelementptr inbounds { i64, i64 }, ptr %8, i32 0, i32 1
  %51 = extractvalue { i64, i64 } %47, 1
  store i64 %51, ptr %50, align 4
  %52 = getelementptr inbounds %struct.no, ptr %8, i32 0, i32 2
  %53 = load i32, ptr %52, align 4, !tbaa !11
  %54 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %53)
  call void @llvm.lifetime.end.p0(i64 16, ptr %8) #4
  br label %55

55:                                               ; preds = %40, %34
  br label %56

56:                                               ; preds = %55
  %57 = load i32, ptr %2, align 4, !tbaa !5
  %58 = add nsw i32 %57, 1
  store i32 %58, ptr %2, align 4, !tbaa !5
  br label %26, !llvm.loop !13

59:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  ret i32 0
}

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

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

attributes #0 = { mustprogress 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 = !{!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, !6, i64 8}
!12 = !{!"_ZTS2no", !6, i64 0, !6, i64 4, !6, i64 8, !6, i64 12}
!13 = distinct !{!13, !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"

@array = external dso_local global [100001 x i32], align 16
@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z4initiii(i32 noundef, i32 noundef, i32 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 uwtable
declare dso_local void @_Z6updateiiiii(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local { i64, i64 } @_Z5queryiiiii(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %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
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #4
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %7 = load i32, ptr %1, align 4, !tbaa !5
  %8 = icmp sgt i32 %7, 0
  br i1 %8, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %9 = getelementptr inbounds i32, ptr @array, i64 %indvars.iv
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %9)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %11 = load i32, ptr %1, align 4, !tbaa !5
  %12 = sext i32 %11 to i64
  %13 = icmp slt i64 %indvars.iv.next, %12
  br i1 %13, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %0
  %.lcssa = phi i32 [ %7, %0 ], [ %11, %.lr.ph ]
  %14 = add nsw i32 %.lcssa, -1
  call void @_Z4initiii(i32 noundef 1, i32 noundef 0, i32 noundef %14)
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  %16 = load i32, ptr %2, align 4, !tbaa !5
  %17 = icmp sgt i32 %16, 0
  br i1 %17, label %.lr.ph9, label %._crit_edge10

.lr.ph9:                                          ; preds = %._crit_edge, %37
  %.17 = phi i32 [ %38, %37 ], [ 0, %._crit_edge ]
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %3, ptr noundef nonnull %4, ptr noundef nonnull %5)
  %19 = load i32, ptr %3, align 4, !tbaa !5
  %20 = icmp eq i32 %19, 0
  br i1 %20, label %21, label %27

21:                                               ; preds = %.lr.ph9
  %22 = load i32, ptr %4, align 4, !tbaa !5
  %23 = add nsw i32 %22, -1
  %24 = load i32, ptr %5, align 4, !tbaa !5
  %25 = load i32, ptr %1, align 4, !tbaa !5
  %26 = add nsw i32 %25, -1
  call void @_Z6updateiiiii(i32 noundef 1, i32 noundef %23, i32 noundef %24, i32 noundef 0, i32 noundef %26)
  br label %37

27:                                               ; preds = %.lr.ph9
  %28 = load i32, ptr %1, align 4, !tbaa !5
  %29 = add nsw i32 %28, -1
  %30 = load i32, ptr %4, align 4, !tbaa !5
  %31 = add nsw i32 %30, -1
  %32 = load i32, ptr %5, align 4, !tbaa !5
  %33 = add nsw i32 %32, -1
  %34 = call { i64, i64 } @_Z5queryiiiii(i32 noundef 1, i32 noundef 0, i32 noundef %29, i32 noundef %31, i32 noundef %33)
  %35 = extractvalue { i64, i64 } %34, 1
  %.sroa.3.8.extract.trunc = trunc i64 %35 to i32
  %36 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %.sroa.3.8.extract.trunc)
  br label %37

37:                                               ; preds = %21, %27
  %38 = add nuw nsw i32 %.17, 1
  %39 = load i32, ptr %2, align 4, !tbaa !5
  %40 = icmp slt i32 %38, %39
  br i1 %40, label %.lr.ph9, label %._crit_edge10, !llvm.loop !11

._crit_edge10:                                    ; preds = %37, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 4, 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 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 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 = !{!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}


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