; LLVM IR from DionysiosB/CodeForces :: 0200-0299 (284A-CowsAndPrimitiveRoots)

; 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 [4 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 i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i8, align 1
  %7 = alloca i64, align 8
  %8 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  store i32 0, ptr %2, align 4, !tbaa !5
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 1, ptr %4, align 4, !tbaa !5
  br label %10

10:                                               ; preds = %61, %0
  %11 = load i32, ptr %4, align 4, !tbaa !5
  %12 = load i32, ptr %2, align 4, !tbaa !5
  %13 = icmp slt i32 %11, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %10
  store i32 2, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  br label %64

15:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #3
  store i8 1, ptr %6, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  store i64 1, ptr %7, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  store i32 1, ptr %8, align 4, !tbaa !5
  br label %16

16:                                               ; preds = %35, %15
  %17 = load i32, ptr %8, align 4, !tbaa !5
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = sub nsw i32 %18, 2
  %20 = icmp sle i32 %17, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %16
  store i32 5, ptr %5, align 4
  br label %38

22:                                               ; preds = %16
  %23 = load i32, ptr %4, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %25 = load i64, ptr %7, align 8, !tbaa !11
  %26 = mul nsw i64 %25, %24
  store i64 %26, ptr %7, align 8, !tbaa !11
  %27 = load i32, ptr %2, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = load i64, ptr %7, align 8, !tbaa !11
  %30 = srem i64 %29, %28
  store i64 %30, ptr %7, align 8, !tbaa !11
  %31 = load i64, ptr %7, align 8, !tbaa !11
  %32 = icmp eq i64 %31, 1
  br i1 %32, label %33, label %34

33:                                               ; preds = %22
  store i8 0, ptr %6, align 1, !tbaa !9
  store i32 5, ptr %5, align 4
  br label %38

34:                                               ; preds = %22
  br label %35

35:                                               ; preds = %34
  %36 = load i32, ptr %8, align 4, !tbaa !5
  %37 = add nsw i32 %36, 1
  store i32 %37, ptr %8, align 4, !tbaa !5
  br label %16, !llvm.loop !13

38:                                               ; preds = %33, %21
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  br label %39

39:                                               ; preds = %38
  %40 = load i8, ptr %6, align 1, !tbaa !9, !range !15, !noundef !16
  %41 = trunc i8 %40 to i1
  br i1 %41, label %42, label %54

42:                                               ; preds = %39
  %43 = load i32, ptr %4, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = load i64, ptr %7, align 8, !tbaa !11
  %46 = mul nsw i64 %45, %44
  store i64 %46, ptr %7, align 8, !tbaa !11
  %47 = load i32, ptr %2, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = load i64, ptr %7, align 8, !tbaa !11
  %50 = srem i64 %49, %48
  store i64 %50, ptr %7, align 8, !tbaa !11
  %51 = load i64, ptr %7, align 8, !tbaa !11
  %52 = icmp eq i64 %51, 1
  %53 = zext i1 %52 to i8
  store i8 %53, ptr %6, align 1, !tbaa !9
  br label %54

54:                                               ; preds = %42, %39
  %55 = load i8, ptr %6, align 1, !tbaa !9, !range !15, !noundef !16
  %56 = trunc i8 %55 to i1
  br i1 %56, label %57, label %60

57:                                               ; preds = %54
  %58 = load i32, ptr %3, align 4, !tbaa !5
  %59 = add nsw i32 %58, 1
  store i32 %59, ptr %3, align 4, !tbaa !5
  br label %60

60:                                               ; preds = %57, %54
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #3
  br label %61

61:                                               ; preds = %60
  %62 = load i32, ptr %4, align 4, !tbaa !5
  %63 = add nsw i32 %62, 1
  store i32 %63, ptr %4, align 4, !tbaa !5
  br label %10, !llvm.loop !17

64:                                               ; preds = %14
  %65 = load i32, ptr %3, align 4, !tbaa !5
  %66 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %65)
  store i32 0, ptr %1, align 4
  store i32 1, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #3
  %67 = load i32, ptr %1, align 4
  ret 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: 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 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = !{i8 0, i8 2}
!16 = !{}
!17 = distinct !{!17, !14}


; 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 [4 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
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #3
  store i32 0, ptr %1, align 4, !tbaa !5
  %2 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %3 = load i32, ptr %1, align 4, !tbaa !5
  %4 = icmp sgt i32 %3, 1
  br i1 %4, label %.preheader.lr.ph, label %._crit_edge34

.preheader.lr.ph:                                 ; preds = %0
  %.not29 = icmp eq i32 %3, 2
  %5 = zext nneg i32 %3 to i64
  br i1 %.not29, label %._crit_edge34, label %.preheader.preheader

.preheader.preheader:                             ; preds = %.preheader.lr.ph
  %6 = add nsw i32 %3, -2
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %.loopexit
  %indvars.iv = phi i64 [ 1, %.preheader.preheader ], [ %indvars.iv.next, %.loopexit ]
  %.02132 = phi i32 [ 0, %.preheader.preheader ], [ %spec.select, %.loopexit ]
  br label %10

._crit_edge34:                                    ; preds = %.loopexit, %.preheader.lr.ph, %0
  %.021.lcssa = phi i32 [ 0, %0 ], [ 1, %.preheader.lr.ph ], [ %spec.select, %.loopexit ]
  %7 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %.021.lcssa)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #3
  ret i32 0

8:                                                ; preds = %10
  %9 = add nuw i32 %.031, 1
  %exitcond.not = icmp eq i32 %.031, %6
  br i1 %exitcond.not, label %._crit_edge, label %10, !llvm.loop !9

10:                                               ; preds = %.preheader, %8
  %.031 = phi i32 [ 1, %.preheader ], [ %9, %8 ]
  %.01730 = phi i64 [ 1, %.preheader ], [ %12, %8 ]
  %11 = mul nsw i64 %.01730, %indvars.iv
  %12 = srem i64 %11, %5
  %13 = icmp eq i64 %12, 1
  br i1 %13, label %.loopexit, label %8

._crit_edge:                                      ; preds = %8
  %14 = mul nsw i64 %12, %indvars.iv
  %15 = srem i64 %14, %5
  %16 = icmp eq i64 %15, 1
  br label %.loopexit

.loopexit:                                        ; preds = %10, %._crit_edge
  %.119 = phi i1 [ %16, %._crit_edge ], [ false, %10 ]
  %17 = zext i1 %.119 to i32
  %spec.select = add nuw nsw i32 %.02132, %17
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond39.not = icmp eq i64 %indvars.iv.next, %5
  br i1 %exitcond39.not, label %._crit_edge34, label %.preheader, !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 = { 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 = !{!"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,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass