; LLVM IR from DionysiosB/CodeForces :: 1300-1399 (1365B-TroubleSort)

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i8, align 1
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i8, align 1
  %9 = alloca i8, align 1
  %10 = alloca i64, align 8
  %11 = alloca i32, align 4
  %12 = alloca i8, align 1
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %14

14:                                               ; preds = %79, %0
  %15 = load i64, ptr %2, align 8, !tbaa !5
  %16 = add nsw i64 %15, -1
  store i64 %16, ptr %2, align 8, !tbaa !5
  %17 = icmp ne i64 %15, 0
  br i1 %17, label %18, label %87

18:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %19 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #3
  store i8 1, ptr %4, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  store i64 0, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store i64 0, ptr %6, align 8, !tbaa !5
  br label %20

20:                                               ; preds = %36, %18
  %21 = load i64, ptr %6, align 8, !tbaa !5
  %22 = load i64, ptr %3, align 8, !tbaa !5
  %23 = icmp slt i64 %21, %22
  br i1 %23, label %25, label %24

24:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  br label %39

25:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %26 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %7)
  %27 = load i64, ptr %6, align 8, !tbaa !5
  %28 = icmp sgt i64 %27, 0
  br i1 %28, label %29, label %34

29:                                               ; preds = %25
  %30 = load i64, ptr %7, align 8, !tbaa !5
  %31 = load i64, ptr %5, align 8, !tbaa !5
  %32 = icmp slt i64 %30, %31
  br i1 %32, label %33, label %34

33:                                               ; preds = %29
  store i8 0, ptr %4, align 1, !tbaa !9
  br label %34

34:                                               ; preds = %33, %29, %25
  %35 = load i64, ptr %7, align 8, !tbaa !5
  store i64 %35, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %36

36:                                               ; preds = %34
  %37 = load i64, ptr %6, align 8, !tbaa !5
  %38 = add nsw i64 %37, 1
  store i64 %38, ptr %6, align 8, !tbaa !5
  br label %20, !llvm.loop !11

39:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #3
  store i8 0, ptr %8, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #3
  store i8 0, ptr %9, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  store i64 0, ptr %10, align 8, !tbaa !5
  br label %40

40:                                               ; preds = %65, %39
  %41 = load i64, ptr %10, align 8, !tbaa !5
  %42 = load i64, ptr %3, align 8, !tbaa !5
  %43 = icmp slt i64 %41, %42
  br i1 %43, label %45, label %44

44:                                               ; preds = %40
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  br label %68

45:                                               ; preds = %40
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #3
  %46 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %11)
  %47 = load i32, ptr %11, align 4, !tbaa !13
  %48 = icmp eq i32 %47, 1
  %49 = zext i1 %48 to i32
  %50 = load i8, ptr %8, align 1, !tbaa !9, !range !15, !noundef !16
  %51 = trunc i8 %50 to i1
  %52 = zext i1 %51 to i32
  %53 = or i32 %52, %49
  %54 = icmp ne i32 %53, 0
  %55 = zext i1 %54 to i8
  store i8 %55, ptr %8, align 1, !tbaa !9
  %56 = load i32, ptr %11, align 4, !tbaa !13
  %57 = icmp eq i32 %56, 0
  %58 = zext i1 %57 to i32
  %59 = load i8, ptr %9, align 1, !tbaa !9, !range !15, !noundef !16
  %60 = trunc i8 %59 to i1
  %61 = zext i1 %60 to i32
  %62 = or i32 %61, %58
  %63 = icmp ne i32 %62, 0
  %64 = zext i1 %63 to i8
  store i8 %64, ptr %9, align 1, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  br label %65

65:                                               ; preds = %45
  %66 = load i64, ptr %10, align 8, !tbaa !5
  %67 = add nsw i64 %66, 1
  store i64 %67, ptr %10, align 8, !tbaa !5
  br label %40, !llvm.loop !17

68:                                               ; preds = %44
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #3
  %69 = load i8, ptr %4, align 1, !tbaa !9, !range !15, !noundef !16
  %70 = trunc i8 %69 to i1
  br i1 %70, label %79, label %71

71:                                               ; preds = %68
  %72 = load i8, ptr %8, align 1, !tbaa !9, !range !15, !noundef !16
  %73 = trunc i8 %72 to i1
  br i1 %73, label %74, label %77

74:                                               ; preds = %71
  %75 = load i8, ptr %9, align 1, !tbaa !9, !range !15, !noundef !16
  %76 = trunc i8 %75 to i1
  br label %77

77:                                               ; preds = %74, %71
  %78 = phi i1 [ false, %71 ], [ %76, %74 ]
  br label %79

79:                                               ; preds = %77, %68
  %80 = phi i1 [ true, %68 ], [ %78, %77 ]
  %81 = zext i1 %80 to i8
  store i8 %81, ptr %12, align 1, !tbaa !9
  %82 = load i8, ptr %12, align 1, !tbaa !9, !range !15, !noundef !16
  %83 = trunc i8 %82 to i1
  %84 = zext i1 %83 to i64
  %85 = select i1 %83, ptr @.str.2, ptr @.str.3
  %86 = call i32 @puts(ptr noundef %85)
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  br label %14, !llvm.loop !18

87:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 8, 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 @puts(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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !7, i64 0}
!15 = !{i8 0, i8 2}
!16 = !{}
!17 = distinct !{!17, !12}
!18 = distinct !{!18, !12}


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

; Function Attrs: mustprogress nofree norecurse nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #3
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %6 = load i64, ptr %1, align 8, !tbaa !5
  %7 = add nsw i64 %6, -1
  store i64 %7, ptr %1, align 8, !tbaa !5
  %.not28 = icmp eq i64 %6, 0
  br i1 %.not28, label %._crit_edge31, label %.lr.ph30

.lr.ph30:                                         ; preds = %0, %._crit_edge
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  %9 = load i64, ptr %2, align 8, !tbaa !5
  %10 = icmp sgt i64 %9, 0
  br i1 %10, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %.lr.ph30
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %3)
  %12 = load i64, ptr %3, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  %13 = load i64, ptr %2, align 8, !tbaa !5
  %14 = icmp sgt i64 %13, 1
  br i1 %14, label %.lr.ph, label %.preheader

.preheader:                                       ; preds = %.lr.ph, %.lr.ph.preheader
  %15 = phi i64 [ %13, %.lr.ph.preheader ], [ %21, %.lr.ph ]
  %.0.lcssa = phi i1 [ true, %.lr.ph.preheader ], [ %.1, %.lr.ph ]
  %16 = icmp sgt i64 %15, 0
  br i1 %16, label %.lr.ph25, label %._crit_edge

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %.021 = phi i1 [ %.1, %.lr.ph ], [ true, %.lr.ph.preheader ]
  %.01520 = phi i64 [ %20, %.lr.ph ], [ 1, %.lr.ph.preheader ]
  %.01619 = phi i64 [ %18, %.lr.ph ], [ %12, %.lr.ph.preheader ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %3)
  %18 = load i64, ptr %3, align 8
  %19 = icmp sge i64 %18, %.01619
  %.1 = select i1 %19, i1 %.021, i1 false
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  %20 = add nuw nsw i64 %.01520, 1
  %21 = load i64, ptr %2, align 8, !tbaa !5
  %22 = icmp slt i64 %20, %21
  br i1 %22, label %.lr.ph, label %.preheader, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph25, %.lr.ph30, %.preheader
  %.0.lcssa36 = phi i1 [ %.0.lcssa, %.preheader ], [ true, %.lr.ph30 ], [ %.0.lcssa, %.lr.ph25 ]
  %.014.lcssa = phi i1 [ false, %.preheader ], [ false, %.lr.ph30 ], [ %31, %.lr.ph25 ]
  %.013.lcssa = phi i1 [ false, %.preheader ], [ false, %.lr.ph30 ], [ %33, %.lr.ph25 ]
  %23 = select i1 %.014.lcssa, i1 %.013.lcssa, i1 false
  %spec.select = select i1 %.0.lcssa36, i1 true, i1 %23
  %24 = select i1 %spec.select, ptr @.str.2, ptr @.str.3
  %25 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %24)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  %26 = load i64, ptr %1, align 8, !tbaa !5
  %27 = add nsw i64 %26, -1
  store i64 %27, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %26, 0
  br i1 %.not, label %._crit_edge31, label %.lr.ph30, !llvm.loop !12

.lr.ph25:                                         ; preds = %.preheader, %.lr.ph25
  %.01224 = phi i64 [ %34, %.lr.ph25 ], [ 0, %.preheader ]
  %.01323 = phi i1 [ %33, %.lr.ph25 ], [ false, %.preheader ]
  %.01422 = phi i1 [ %31, %.lr.ph25 ], [ false, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #3
  %28 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %4)
  %29 = load i32, ptr %4, align 4, !tbaa !13
  %30 = icmp eq i32 %29, 1
  %31 = or i1 %.01422, %30
  %32 = icmp eq i32 %29, 0
  %33 = or i1 %.01323, %32
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #3
  %34 = add nuw nsw i64 %.01224, 1
  %35 = load i64, ptr %2, align 8, !tbaa !5
  %36 = icmp slt i64 %34, %35
  br i1 %36, label %.lr.ph25, label %._crit_edge, !llvm.loop !15

._crit_edge31:                                    ; preds = %._crit_edge, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #3
  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 @puts(ptr nocapture noundef readonly) local_unnamed_addr #2

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 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10, !11}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!"llvm.loop.peeled.count", i32 1}
!12 = distinct !{!12, !10}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !7, i64 0}
!15 = distinct !{!15, !10}


; Effective O3 passes: AggressiveInstCombinePass,BDCEPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopFullUnrollPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass