; LLVM IR from tangjz/acm-icpc :: codeforces/gym (101174D)

; 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"

@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@q = external dso_local global i32, align 4
@c0 = external dso_local global i32, align 4
@c1 = external dso_local global i32, align 4
@c2 = external dso_local global i32, align 4
@cnt = external dso_local global [51 x i32], align 16
@lnF = external dso_local global [51 x double], align 16
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef double @_Z1Fiii(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 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
  store i32 0, ptr %1, align 4
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @n, ptr noundef @q, ptr noundef @m)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %8

8:                                                ; preds = %31, %0
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = icmp slt i32 %9, 2
  br i1 %10, label %12, label %11

11:                                               ; preds = %8
  store i32 2, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  br label %34

12:                                               ; preds = %8
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %13

13:                                               ; preds = %27, %12
  %14 = load i32, ptr %4, align 4, !tbaa !5
  %15 = load i32, ptr @m, align 4, !tbaa !5
  %16 = icmp slt i32 %14, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %13
  store i32 5, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  br label %30

18:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  %19 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %5)
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = shl i32 1, %20
  %22 = load i32, ptr %5, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  %24 = getelementptr inbounds [51 x i32], ptr @cnt, i64 0, i64 %23
  %25 = load i32, ptr %24, align 4, !tbaa !5
  %26 = or i32 %25, %21
  store i32 %26, ptr %24, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %27

27:                                               ; preds = %18
  %28 = load i32, ptr %4, align 4, !tbaa !5
  %29 = add nsw i32 %28, 1
  store i32 %29, ptr %4, align 4, !tbaa !5
  br label %13, !llvm.loop !9

30:                                               ; preds = %17
  br label %31

31:                                               ; preds = %30
  %32 = load i32, ptr %2, align 4, !tbaa !5
  %33 = add nsw i32 %32, 1
  store i32 %33, ptr %2, align 4, !tbaa !5
  br label %8, !llvm.loop !11

34:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 1, ptr %6, align 4, !tbaa !5
  br label %35

35:                                               ; preds = %76, %34
  %36 = load i32, ptr %6, align 4, !tbaa !5
  %37 = load i32, ptr @n, align 4, !tbaa !5
  %38 = icmp sle i32 %36, %37
  br i1 %38, label %40, label %39

39:                                               ; preds = %35
  store i32 8, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  br label %79

40:                                               ; preds = %35
  %41 = load i32, ptr %6, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  %43 = getelementptr inbounds [51 x i32], ptr @cnt, i64 0, i64 %42
  %44 = load i32, ptr %43, align 4, !tbaa !5
  %45 = icmp eq i32 %44, 1
  %46 = zext i1 %45 to i32
  %47 = load i32, ptr @c0, align 4, !tbaa !5
  %48 = add nsw i32 %47, %46
  store i32 %48, ptr @c0, align 4, !tbaa !5
  %49 = load i32, ptr %6, align 4, !tbaa !5
  %50 = sext i32 %49 to i64
  %51 = getelementptr inbounds [51 x i32], ptr @cnt, i64 0, i64 %50
  %52 = load i32, ptr %51, align 4, !tbaa !5
  %53 = icmp eq i32 %52, 2
  %54 = zext i1 %53 to i32
  %55 = load i32, ptr @c1, align 4, !tbaa !5
  %56 = add nsw i32 %55, %54
  store i32 %56, ptr @c1, align 4, !tbaa !5
  %57 = load i32, ptr %6, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds [51 x i32], ptr @cnt, i64 0, i64 %58
  %60 = load i32, ptr %59, align 4, !tbaa !5
  %61 = icmp eq i32 %60, 3
  %62 = zext i1 %61 to i32
  %63 = load i32, ptr @c2, align 4, !tbaa !5
  %64 = add nsw i32 %63, %62
  store i32 %64, ptr @c2, align 4, !tbaa !5
  %65 = load i32, ptr %6, align 4, !tbaa !5
  %66 = sub nsw i32 %65, 1
  %67 = sext i32 %66 to i64
  %68 = getelementptr inbounds [51 x double], ptr @lnF, i64 0, i64 %67
  %69 = load double, ptr %68, align 8, !tbaa !12
  %70 = load i32, ptr %6, align 4, !tbaa !5
  %71 = call noundef double @_ZSt3logIiEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef %70)
  %72 = fadd double %69, %71
  %73 = load i32, ptr %6, align 4, !tbaa !5
  %74 = sext i32 %73 to i64
  %75 = getelementptr inbounds [51 x double], ptr @lnF, i64 0, i64 %74
  store double %72, ptr %75, align 8, !tbaa !12
  br label %76

76:                                               ; preds = %40
  %77 = load i32, ptr %6, align 4, !tbaa !5
  %78 = add nsw i32 %77, 1
  store i32 %78, ptr %6, align 4, !tbaa !5
  br label %35, !llvm.loop !14

79:                                               ; preds = %39
  %80 = call noundef double @_Z1Fiii(i32 noundef 0, i32 noundef 0, i32 noundef 0)
  %81 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, double noundef %80)
  ret i32 0
}

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt3logIiEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef) #4

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 = { inlinehint 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}
!12 = !{!13, !13, i64 0}
!13 = !{!"double", !7, i64 0}
!14 = distinct !{!14, !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"

@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@q = external dso_local global i32, align 4
@c0 = external dso_local local_unnamed_addr global i32, align 4
@c1 = external dso_local local_unnamed_addr global i32, align 4
@c2 = external dso_local local_unnamed_addr global i32, align 4
@cnt = external dso_local local_unnamed_addr global [51 x i32], align 16
@lnF = external dso_local local_unnamed_addr global [51 x double], align 16
@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local noundef double @_Z1Fiii(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 norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = alloca i32, align 4
  %2 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @n, ptr noundef nonnull @q, ptr noundef nonnull @m)
  %3 = load i32, ptr @m, align 4, !tbaa !5
  %4 = icmp sgt i32 %3, 0
  br i1 %4, label %.lr.ph, label %.preheader

.preheader:                                       ; preds = %.lr.ph.1, %._crit_edge, %0
  %5 = load i32, ptr @n, align 4, !tbaa !5
  %.not18 = icmp slt i32 %5, 1
  br i1 %.not18, label %._crit_edge21, label %.lr.ph20.preheader

.lr.ph20.preheader:                               ; preds = %.preheader
  %.pre = load double, ptr @lnF, align 16, !tbaa !9
  br label %.lr.ph20

._crit_edge:                                      ; preds = %.lr.ph
  %6 = icmp sgt i32 %23, 0
  br i1 %6, label %.lr.ph.1, label %.preheader

.lr.ph.1:                                         ; preds = %._crit_edge, %.lr.ph.1
  %.01316.1 = phi i32 [ %13, %.lr.ph.1 ], [ 0, %._crit_edge ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %1)
  %8 = load i32, ptr %1, align 4, !tbaa !5
  %9 = sext i32 %8 to i64
  %10 = getelementptr inbounds [51 x i32], ptr @cnt, i64 0, i64 %9
  %11 = load i32, ptr %10, align 4, !tbaa !5
  %12 = or i32 %11, 2
  store i32 %12, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  %13 = add nuw nsw i32 %.01316.1, 1
  %14 = load i32, ptr @m, align 4, !tbaa !5
  %15 = icmp slt i32 %13, %14
  br i1 %15, label %.lr.ph.1, label %.preheader, !llvm.loop !11

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.01316 = phi i32 [ %22, %.lr.ph ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %1)
  %17 = load i32, ptr %1, align 4, !tbaa !5
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds [51 x i32], ptr @cnt, i64 0, i64 %18
  %20 = load i32, ptr %19, align 4, !tbaa !5
  %21 = or i32 %20, 1
  store i32 %21, ptr %19, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  %22 = add nuw nsw i32 %.01316, 1
  %23 = load i32, ptr @m, align 4, !tbaa !5
  %24 = icmp slt i32 %22, %23
  br i1 %24, label %.lr.ph, label %._crit_edge, !llvm.loop !11

._crit_edge21:                                    ; preds = %.lr.ph20, %.preheader
  %25 = call noundef double @_Z1Fiii(i32 noundef 0, i32 noundef 0, i32 noundef 0)
  %26 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, double noundef %25)
  ret i32 0

.lr.ph20:                                         ; preds = %.lr.ph20.preheader, %.lr.ph20
  %27 = phi double [ %.pre, %.lr.ph20.preheader ], [ %44, %.lr.ph20 ]
  %indvars.iv = phi i64 [ 1, %.lr.ph20.preheader ], [ %indvars.iv.next, %.lr.ph20 ]
  %28 = getelementptr inbounds [51 x i32], ptr @cnt, i64 0, i64 %indvars.iv
  %29 = load i32, ptr %28, align 4, !tbaa !5
  %30 = icmp eq i32 %29, 1
  %31 = zext i1 %30 to i32
  %32 = load i32, ptr @c0, align 4, !tbaa !5
  %33 = add nsw i32 %32, %31
  store i32 %33, ptr @c0, align 4, !tbaa !5
  %34 = icmp eq i32 %29, 2
  %35 = zext i1 %34 to i32
  %36 = load i32, ptr @c1, align 4, !tbaa !5
  %37 = add nsw i32 %36, %35
  store i32 %37, ptr @c1, align 4, !tbaa !5
  %38 = icmp eq i32 %29, 3
  %39 = zext i1 %38 to i32
  %40 = load i32, ptr @c2, align 4, !tbaa !5
  %41 = add nsw i32 %40, %39
  store i32 %41, ptr @c2, align 4, !tbaa !5
  %42 = trunc nuw nsw i64 %indvars.iv to i32
  %43 = call noundef double @_ZSt3logIiEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef %42)
  %44 = fadd double %27, %43
  %45 = getelementptr inbounds [51 x double], ptr @lnF, i64 0, i64 %indvars.iv
  store double %44, ptr %45, align 8, !tbaa !9
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %46 = load i32, ptr @n, align 4, !tbaa !5
  %47 = sext i32 %46 to i64
  %.not.not = icmp slt i64 %indvars.iv, %47
  br i1 %.not.not, label %.lr.ph20, label %._crit_edge21, !llvm.loop !13
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt3logIiEN9__gnu_cxx11__enable_ifIXsr12__is_integerIT_EE7__valueEdE6__typeES2_(i32 noundef) local_unnamed_addr #4

; 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 = { inlinehint 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 = !{!10, !10, i64 0}
!10 = !{!"double", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; Effective O3 passes: BDCEPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SCCPPass,SROAPass,SimpleLoopUnswitchPass,SimplifyCFGPass,TailCallElimPass