; LLVM IR from VastoLorde95/Competitive-Programming :: SPOJ/Random/GSS3 (gss2)

; 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"

%class.SegmentTree = type <{ ptr, i32, [4 x i8] }>

@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca [50000 x i32], align 16
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %class.SegmentTree, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 200000, ptr %4) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  %12 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %13

13:                                               ; preds = %22, %0
  %14 = load i32, ptr %3, align 4, !tbaa !5
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = icmp slt i32 %14, %15
  br i1 %16, label %17, label %25

17:                                               ; preds = %13
  %18 = load i32, ptr %3, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [50000 x i32], ptr %4, i64 0, i64 %19
  %21 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %20)
  br label %22

22:                                               ; preds = %17
  %23 = load i32, ptr %3, align 4, !tbaa !5
  %24 = add nsw i32 %23, 1
  store i32 %24, ptr %3, align 4, !tbaa !5
  br label %13, !llvm.loop !9

25:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 16, ptr %9) #5
  %26 = getelementptr inbounds [50000 x i32], ptr %4, i64 0, i64 0
  %27 = load i32, ptr %2, align 4, !tbaa !5
  call void @_ZN11SegmentTreeIiiEC2EPii(ptr noundef nonnull align 8 dereferenceable(12) %9, ptr noundef %26, i32 noundef %27)
  %28 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %5)
          to label %29 unwind label %44

29:                                               ; preds = %25
  store i32 0, ptr %3, align 4, !tbaa !5
  br label %30

30:                                               ; preds = %58, %29
  %31 = load i32, ptr %3, align 4, !tbaa !5
  %32 = load i32, ptr %5, align 4, !tbaa !5
  %33 = icmp slt i32 %31, %32
  br i1 %33, label %34, label %61

34:                                               ; preds = %30
  %35 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %8, ptr noundef %6, ptr noundef %7)
          to label %36 unwind label %44

36:                                               ; preds = %34
  %37 = load i32, ptr %8, align 4, !tbaa !5
  %38 = icmp eq i32 %37, 0
  br i1 %38, label %39, label %48

39:                                               ; preds = %36
  %40 = load i32, ptr %6, align 4, !tbaa !5
  %41 = sub nsw i32 %40, 1
  %42 = load i32, ptr %7, align 4, !tbaa !5
  invoke void @_ZN11SegmentTreeIiiE6updateEii(ptr noundef nonnull align 8 dereferenceable(12) %9, i32 noundef %41, i32 noundef %42)
          to label %43 unwind label %44

43:                                               ; preds = %39
  br label %57

44:                                               ; preds = %54, %48, %39, %34, %25
  %45 = landingpad { ptr, i32 }
          cleanup
  %46 = extractvalue { ptr, i32 } %45, 0
  store ptr %46, ptr %10, align 8
  %47 = extractvalue { ptr, i32 } %45, 1
  store i32 %47, ptr %11, align 4
  call void @_ZN11SegmentTreeIiiED2Ev(ptr noundef nonnull align 8 dereferenceable(12) %9) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 200000, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  br label %63

48:                                               ; preds = %36
  %49 = load i32, ptr %6, align 4, !tbaa !5
  %50 = sub nsw i32 %49, 1
  %51 = load i32, ptr %7, align 4, !tbaa !5
  %52 = sub nsw i32 %51, 1
  %53 = invoke noundef i32 @_ZN11SegmentTreeIiiE8getValueEii(ptr noundef nonnull align 8 dereferenceable(12) %9, i32 noundef %50, i32 noundef %52)
          to label %54 unwind label %44

54:                                               ; preds = %48
  %55 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %53)
          to label %56 unwind label %44

56:                                               ; preds = %54
  br label %57

57:                                               ; preds = %56, %43
  br label %58

58:                                               ; preds = %57
  %59 = load i32, ptr %3, align 4, !tbaa !5
  %60 = add nsw i32 %59, 1
  store i32 %60, ptr %3, align 4, !tbaa !5
  br label %30, !llvm.loop !11

61:                                               ; preds = %30
  store i32 0, ptr %1, align 4
  call void @_ZN11SegmentTreeIiiED2Ev(ptr noundef nonnull align 8 dereferenceable(12) %9) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 200000, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  %62 = load i32, ptr %1, align 4
  ret i32 %62

63:                                               ; preds = %44
  %64 = load ptr, ptr %10, align 8
  %65 = load i32, ptr %11, align 4
  %66 = insertvalue { ptr, i32 } poison, ptr %64, 0
  %67 = insertvalue { ptr, i32 } %66, i32 %65, 1
  resume { ptr, i32 } %67
}

; 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: mustprogress uwtable
declare dso_local void @_ZN11SegmentTreeIiiEC2EPii(ptr noundef nonnull align 8 dereferenceable(12), ptr noundef, i32 noundef) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11SegmentTreeIiiE6updateEii(ptr noundef nonnull align 8 dereferenceable(12), i32 noundef, i32 noundef) #3 align 2

declare i32 @printf(ptr noundef, ...) #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN11SegmentTreeIiiE8getValueEii(ptr noundef nonnull align 8 dereferenceable(12), i32 noundef, i32 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN11SegmentTreeIiiED2Ev(ptr noundef nonnull align 8 dereferenceable(12)) unnamed_addr #4 align 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 = { 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 #4 = { 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 #5 = { 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}


; 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"

%class.SegmentTree = type <{ ptr, i32, [4 x i8] }>

@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca [50000 x i32], align 16
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %class.SegmentTree, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 200000, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #5
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %9 = load i32, ptr %1, align 4, !tbaa !5
  %10 = icmp sgt i32 %9, 0
  br i1 %10, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %11 = getelementptr inbounds [50000 x i32], ptr %2, i64 0, i64 %indvars.iv
  %12 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %11)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %13 = load i32, ptr %1, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  %15 = icmp slt i64 %indvars.iv.next, %14
  br i1 %15, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %0
  %.lcssa = phi i32 [ %9, %0 ], [ %13, %.lr.ph ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #5
  call void @_ZN11SegmentTreeIiiEC2EPii(ptr noundef nonnull align 8 dereferenceable(12) %7, ptr noundef nonnull %2, i32 noundef %.lcssa)
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %3)
  %17 = load i32, ptr %3, align 4, !tbaa !5
  %18 = icmp sgt i32 %17, 0
  br i1 %18, label %.lr.ph10, label %._crit_edge11

.lr.ph10:                                         ; preds = %._crit_edge, %33
  %.18 = phi i32 [ %34, %33 ], [ 0, %._crit_edge ]
  %19 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %6, ptr noundef nonnull %4, ptr noundef nonnull %5)
  %20 = load i32, ptr %6, align 4, !tbaa !5
  %21 = icmp eq i32 %20, 0
  %22 = load i32, ptr %4, align 4, !tbaa !5
  %23 = add nsw i32 %22, -1
  %24 = load i32, ptr %5, align 4, !tbaa !5
  br i1 %21, label %25, label %28

25:                                               ; preds = %.lr.ph10
  invoke void @_ZN11SegmentTreeIiiE6updateEii(ptr noundef nonnull align 8 dereferenceable(12) %7, i32 noundef %23, i32 noundef %24)
          to label %33 unwind label %26

26:                                               ; preds = %28, %25
  %27 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN11SegmentTreeIiiED2Ev(ptr noundef nonnull align 8 dereferenceable(12) %7) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 200000, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  resume { ptr, i32 } %27

28:                                               ; preds = %.lr.ph10
  %29 = add nsw i32 %24, -1
  %30 = invoke noundef i32 @_ZN11SegmentTreeIiiE8getValueEii(ptr noundef nonnull align 8 dereferenceable(12) %7, i32 noundef %23, i32 noundef %29)
          to label %31 unwind label %26

31:                                               ; preds = %28
  %32 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %30)
  br label %33

33:                                               ; preds = %31, %25
  %34 = add nuw nsw i32 %.18, 1
  %35 = load i32, ptr %3, align 4, !tbaa !5
  %36 = icmp slt i32 %34, %35
  br i1 %36, label %.lr.ph10, label %._crit_edge11, !llvm.loop !11

._crit_edge11:                                    ; preds = %33, %._crit_edge
  call void @_ZN11SegmentTreeIiiED2Ev(ptr noundef nonnull align 8 dereferenceable(12) %7) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 200000, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  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 uwtable
declare dso_local void @_ZN11SegmentTreeIiiEC2EPii(ptr noundef nonnull align 8 dereferenceable(12), ptr noundef, i32 noundef) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN11SegmentTreeIiiE6updateEii(ptr noundef nonnull align 8 dereferenceable(12), i32 noundef, i32 noundef) local_unnamed_addr #3 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN11SegmentTreeIiiE8getValueEii(ptr noundef nonnull align 8 dereferenceable(12), i32 noundef, i32 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN11SegmentTreeIiiED2Ev(ptr noundef nonnull align 8 dereferenceable(12)) unnamed_addr #4 align 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 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 = { 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 = { 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 #4 = { 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 #5 = { 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