; LLVM IR from VastoLorde95/Competitive-Programming :: SPOJ/Random/SAMER08G (sam)

; 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 [6 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 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 [1000 x i32], align 16
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = 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 4000, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %11

11:                                               ; preds = %89, %0
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = icmp ne i32 %12, 0
  br i1 %13, label %14, label %91

14:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %15

15:                                               ; preds = %24, %14
  %16 = load i32, ptr %7, align 4, !tbaa !5
  %17 = load i32, ptr %2, align 4, !tbaa !5
  %18 = icmp slt i32 %16, %17
  br i1 %18, label %20, label %19

19:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  br label %27

20:                                               ; preds = %15
  %21 = load i32, ptr %7, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [1000 x i32], ptr %3, i64 0, i64 %22
  store i32 0, ptr %23, align 4, !tbaa !5
  br label %24

24:                                               ; preds = %20
  %25 = load i32, ptr %7, align 4, !tbaa !5
  %26 = add nsw i32 %25, 1
  store i32 %26, ptr %7, align 4, !tbaa !5
  br label %15, !llvm.loop !9

27:                                               ; preds = %19
  store i32 0, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %28

28:                                               ; preds = %64, %27
  %29 = load i32, ptr %8, align 4, !tbaa !5
  %30 = load i32, ptr %2, align 4, !tbaa !5
  %31 = icmp slt i32 %29, %30
  br i1 %31, label %33, label %32

32:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  br label %67

33:                                               ; preds = %28
  %34 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %4, ptr noundef %5)
  %35 = load i32, ptr %8, align 4, !tbaa !5
  %36 = load i32, ptr %5, align 4, !tbaa !5
  %37 = add nsw i32 %35, %36
  %38 = load i32, ptr %2, align 4, !tbaa !5
  %39 = icmp slt i32 %37, %38
  br i1 %39, label %40, label %62

40:                                               ; preds = %33
  %41 = load i32, ptr %8, align 4, !tbaa !5
  %42 = load i32, ptr %5, align 4, !tbaa !5
  %43 = add nsw i32 %41, %42
  %44 = icmp sge i32 %43, 0
  br i1 %44, label %45, label %62

45:                                               ; preds = %40
  %46 = load i32, ptr %8, align 4, !tbaa !5
  %47 = load i32, ptr %5, align 4, !tbaa !5
  %48 = add nsw i32 %46, %47
  %49 = sext i32 %48 to i64
  %50 = getelementptr inbounds [1000 x i32], ptr %3, i64 0, i64 %49
  %51 = load i32, ptr %50, align 4, !tbaa !5
  %52 = icmp eq i32 %51, 0
  br i1 %52, label %53, label %60

53:                                               ; preds = %45
  %54 = load i32, ptr %4, align 4, !tbaa !5
  %55 = load i32, ptr %8, align 4, !tbaa !5
  %56 = load i32, ptr %5, align 4, !tbaa !5
  %57 = add nsw i32 %55, %56
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds [1000 x i32], ptr %3, i64 0, i64 %58
  store i32 %54, ptr %59, align 4, !tbaa !5
  br label %61

60:                                               ; preds = %45
  store i32 1, ptr %6, align 4, !tbaa !5
  br label %61

61:                                               ; preds = %60, %53
  br label %63

62:                                               ; preds = %40, %33
  store i32 1, ptr %6, align 4, !tbaa !5
  br label %63

63:                                               ; preds = %62, %61
  br label %64

64:                                               ; preds = %63
  %65 = load i32, ptr %8, align 4, !tbaa !5
  %66 = add nsw i32 %65, 1
  store i32 %66, ptr %8, align 4, !tbaa !5
  br label %28, !llvm.loop !11

67:                                               ; preds = %32
  %68 = load i32, ptr %6, align 4, !tbaa !5
  %69 = icmp ne i32 %68, 0
  br i1 %69, label %70, label %72

70:                                               ; preds = %67
  %71 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  br label %89

72:                                               ; preds = %67
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %73

73:                                               ; preds = %84, %72
  %74 = load i32, ptr %9, align 4, !tbaa !5
  %75 = load i32, ptr %2, align 4, !tbaa !5
  %76 = icmp slt i32 %74, %75
  br i1 %76, label %78, label %77

77:                                               ; preds = %73
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  br label %87

78:                                               ; preds = %73
  %79 = load i32, ptr %9, align 4, !tbaa !5
  %80 = sext i32 %79 to i64
  %81 = getelementptr inbounds [1000 x i32], ptr %3, i64 0, i64 %80
  %82 = load i32, ptr %81, align 4, !tbaa !5
  %83 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, i32 noundef %82)
  br label %84

84:                                               ; preds = %78
  %85 = load i32, ptr %9, align 4, !tbaa !5
  %86 = add nsw i32 %85, 1
  store i32 %86, ptr %9, align 4, !tbaa !5
  br label %73, !llvm.loop !12

87:                                               ; preds = %77
  %88 = call i32 (ptr, ...) @printf(ptr noundef @.str.4)
  br label %89

89:                                               ; preds = %87, %70
  %90 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %11, !llvm.loop !13

91:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 4000, 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 = { 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"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!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"

@.str = external hidden unnamed_addr constant [3 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [2 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 [1000 x i32], align 16
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 4000, 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
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %6 = load i32, ptr %1, align 4, !tbaa !5
  %.not27 = icmp eq i32 %6, 0
  br i1 %.not27, label %._crit_edge28, label %.preheader19

.preheader19:                                     ; preds = %0, %._crit_edge26
  %7 = phi i32 [ %36, %._crit_edge26 ], [ %6, %0 ]
  %8 = icmp sgt i32 %7, 0
  br i1 %8, label %.lr.ph23.preheader, label %._crit_edge26

.lr.ph23.preheader:                               ; preds = %.preheader19
  %9 = zext nneg i32 %7 to i64
  %10 = shl nuw nsw i64 %9, 2
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(1) %2, i8 0, i64 %10, i1 false), !tbaa !5
  br label %.lr.ph23

._crit_edge:                                      ; preds = %25
  %.not17 = icmp eq i32 %.1, 0
  br i1 %.not17, label %.preheader, label %._crit_edge26

.preheader:                                       ; preds = %._crit_edge
  %11 = icmp sgt i32 %15, 0
  br i1 %11, label %.lr.ph25, label %._crit_edge26

.lr.ph23:                                         ; preds = %.lr.ph23.preheader, %25
  %.01322 = phi i32 [ %26, %25 ], [ 0, %.lr.ph23.preheader ]
  %.01521 = phi i32 [ %.1, %25 ], [ 0, %.lr.ph23.preheader ]
  %12 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %3, ptr noundef nonnull %4)
  %13 = load i32, ptr %4, align 4, !tbaa !5
  %14 = add nsw i32 %13, %.01322
  %15 = load i32, ptr %1, align 4, !tbaa !5
  %16 = icmp slt i32 %14, %15
  %17 = icmp sgt i32 %14, -1
  %or.cond = and i1 %16, %17
  br i1 %or.cond, label %18, label %25

18:                                               ; preds = %.lr.ph23
  %19 = zext nneg i32 %14 to i64
  %20 = getelementptr inbounds [1000 x i32], ptr %2, i64 0, i64 %19
  %21 = load i32, ptr %20, align 4, !tbaa !5
  %22 = icmp eq i32 %21, 0
  br i1 %22, label %23, label %25

23:                                               ; preds = %18
  %24 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %24, ptr %20, align 4, !tbaa !5
  br label %25

25:                                               ; preds = %.lr.ph23, %18, %23
  %.1 = phi i32 [ %.01521, %23 ], [ 1, %18 ], [ 1, %.lr.ph23 ]
  %26 = add nuw nsw i32 %.01322, 1
  %27 = icmp slt i32 %26, %15
  br i1 %27, label %.lr.ph23, label %._crit_edge, !llvm.loop !9

.lr.ph25:                                         ; preds = %.preheader, %.lr.ph25
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph25 ], [ 0, %.preheader ]
  %28 = getelementptr inbounds [1000 x i32], ptr %2, i64 0, i64 %indvars.iv
  %29 = load i32, ptr %28, align 4, !tbaa !5
  %30 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i32 noundef %29)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %31 = load i32, ptr %1, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = icmp slt i64 %indvars.iv.next, %32
  br i1 %33, label %.lr.ph25, label %._crit_edge26, !llvm.loop !11

._crit_edge26:                                    ; preds = %.lr.ph25, %.preheader, %.preheader19, %._crit_edge
  %.str.4.sink = phi ptr [ @.str.2, %._crit_edge ], [ @.str.4, %.preheader19 ], [ @.str.4, %.preheader ], [ @.str.4, %.lr.ph25 ]
  %34 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) %.str.4.sink)
  %35 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %36 = load i32, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %36, 0
  br i1 %.not, label %._crit_edge28, label %.preheader19, !llvm.loop !12

._crit_edge28:                                    ; preds = %._crit_edge26, %0
  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 4000, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #4
  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 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

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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}
!12 = distinct !{!12, !10}


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