; LLVM IR from sunkafei/xcpc-algorithm-templates :: 算法/数学算法 (快速傅里叶变换)

; 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.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }

@.str = external hidden unnamed_addr constant [6 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z4initv() #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 uwtable
declare dso_local void @_ZmlRKSt6vectorIdSaIdEES3_(ptr dead_on_unwind noalias writable sret(%"class.std::vector.0") align 8, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIdEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector.0", align 8
  %5 = alloca %"class.std::allocator.2", align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::vector.0", align 8
  %9 = alloca %"class.std::allocator.2", align 1
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::vector.0", align 8
  %13 = 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 @_Z4initv()
  %14 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #5
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = add nsw i32 %15, 1
  %17 = sext i32 %16 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #5
  call void @_ZNSaIdEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt6vectorIdSaIdEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %17, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %18 unwind label %28

18:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIdED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #5
  %19 = load i32, ptr %3, align 4, !tbaa !5
  %20 = add nsw i32 %19, 1
  %21 = sext i32 %20 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #5
  call void @_ZNSaIdEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  invoke void @_ZNSt6vectorIdSaIdEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %21, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %22 unwind label %32

22:                                               ; preds = %18
  call void @_ZNSt15__new_allocatorIdED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %23

23:                                               ; preds = %42, %22
  %24 = load i32, ptr %10, align 4, !tbaa !5
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = icmp sle i32 %24, %25
  br i1 %26, label %36, label %27

27:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  br label %49

28:                                               ; preds = %0
  %29 = landingpad { ptr, i32 }
          cleanup
  %30 = extractvalue { ptr, i32 } %29, 0
  store ptr %30, ptr %6, align 8
  %31 = extractvalue { ptr, i32 } %29, 1
  store i32 %31, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIdED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #5
  br label %100

32:                                               ; preds = %18
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %6, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIdED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  br label %99

36:                                               ; preds = %23
  %37 = load i32, ptr %10, align 4, !tbaa !5
  %38 = sext i32 %37 to i64
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %38) #5
  %40 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.3, ptr noundef %39)
          to label %41 unwind label %45

41:                                               ; preds = %36
  br label %42

42:                                               ; preds = %41
  %43 = load i32, ptr %10, align 4, !tbaa !5
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %10, align 4, !tbaa !5
  br label %23, !llvm.loop !9

45:                                               ; preds = %36
  %46 = landingpad { ptr, i32 }
          cleanup
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %6, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  br label %98

49:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #5
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %50

50:                                               ; preds = %61, %49
  %51 = load i32, ptr %11, align 4, !tbaa !5
  %52 = load i32, ptr %3, align 4, !tbaa !5
  %53 = icmp sle i32 %51, %52
  br i1 %53, label %55, label %54

54:                                               ; preds = %50
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  br label %68

55:                                               ; preds = %50
  %56 = load i32, ptr %11, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %57) #5
  %59 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.3, ptr noundef %58)
          to label %60 unwind label %64

60:                                               ; preds = %55
  br label %61

61:                                               ; preds = %60
  %62 = load i32, ptr %11, align 4, !tbaa !5
  %63 = add nsw i32 %62, 1
  store i32 %63, ptr %11, align 4, !tbaa !5
  br label %50, !llvm.loop !11

64:                                               ; preds = %55
  %65 = landingpad { ptr, i32 }
          cleanup
  %66 = extractvalue { ptr, i32 } %65, 0
  store ptr %66, ptr %6, align 8
  %67 = extractvalue { ptr, i32 } %65, 1
  store i32 %67, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  br label %98

68:                                               ; preds = %54
  call void @llvm.lifetime.start.p0(i64 24, ptr %12) #5
  invoke void @_ZmlRKSt6vectorIdSaIdEES3_(ptr dead_on_unwind writable sret(%"class.std::vector.0") align 8 %12, ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 8 dereferenceable(24) %8)
          to label %69 unwind label %76

69:                                               ; preds = %68
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #5
  store i32 0, ptr %13, align 4, !tbaa !5
  br label %70

70:                                               ; preds = %88, %69
  %71 = load i32, ptr %13, align 4, !tbaa !5
  %72 = sext i32 %71 to i64
  %73 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  %74 = icmp ult i64 %72, %73
  br i1 %74, label %80, label %75

75:                                               ; preds = %70
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  br label %95

76:                                               ; preds = %68
  %77 = landingpad { ptr, i32 }
          cleanup
  %78 = extractvalue { ptr, i32 } %77, 0
  store ptr %78, ptr %6, align 8
  %79 = extractvalue { ptr, i32 } %77, 1
  store i32 %79, ptr %7, align 4
  br label %97

80:                                               ; preds = %70
  %81 = load i32, ptr %13, align 4, !tbaa !5
  %82 = sext i32 %81 to i64
  %83 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %82) #5
  %84 = load double, ptr %83, align 8, !tbaa !12
  %85 = fadd double %84, 1.000000e-08
  %86 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.4, double noundef %85)
          to label %87 unwind label %91

87:                                               ; preds = %80
  br label %88

88:                                               ; preds = %87
  %89 = load i32, ptr %13, align 4, !tbaa !5
  %90 = add nsw i32 %89, 1
  store i32 %90, ptr %13, align 4, !tbaa !5
  br label %70, !llvm.loop !14

91:                                               ; preds = %80
  %92 = landingpad { ptr, i32 }
          cleanup
  %93 = extractvalue { ptr, i32 } %92, 0
  store ptr %93, ptr %6, align 8
  %94 = extractvalue { ptr, i32 } %92, 1
  store i32 %94, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  br label %97

95:                                               ; preds = %75
  store i32 0, ptr %1, align 4
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #5
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #5
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.end.p0(i64 24, 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
  %96 = load i32, ptr %1, align 4
  ret i32 %96

97:                                               ; preds = %91, %76
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #5
  br label %98

98:                                               ; preds = %97, %64, %45
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  br label %99

99:                                               ; preds = %98, %32
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #5
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  br label %100

100:                                              ; preds = %99, %28
  call void @llvm.lifetime.end.p0(i64 24, 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 %101

101:                                              ; preds = %100
  %102 = load ptr, ptr %6, align 8
  %103 = load i32, ptr %7, align 4
  %104 = insertvalue { ptr, i32 } poison, ptr %102, 0
  %105 = insertvalue { ptr, i32 } %104, i32 %103, 1
  resume { ptr, i32 } %105
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #4

declare i32 @printf(ptr noundef, ...) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIdED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

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 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 #3 = { 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 #4 = { "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"

%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.2" = type { i8 }

@.str = external hidden unnamed_addr constant [6 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z4initv() 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 uwtable
declare dso_local void @_ZmlRKSt6vectorIdSaIdEES3_(ptr dead_on_unwind noalias writable sret(%"class.std::vector.0") align 8, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIdEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::vector.0", align 8
  %4 = alloca %"class.std::allocator.2", align 1
  %5 = alloca %"class.std::vector.0", align 8
  %6 = alloca %"class.std::allocator.2", align 1
  %7 = alloca %"class.std::vector.0", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  tail call void @_Z4initv()
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #5
  %9 = load i32, ptr %1, align 4, !tbaa !5
  %10 = add nsw i32 %9, 1
  %11 = sext i32 %10 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #5
  call void @_ZNSaIdEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  invoke void @_ZNSt6vectorIdSaIdEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %11, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %12 unwind label %19

12:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIdED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #5
  %13 = load i32, ptr %2, align 4, !tbaa !5
  %14 = add nsw i32 %13, 1
  %15 = sext i32 %14 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #5
  call void @_ZNSaIdEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  invoke void @_ZNSt6vectorIdSaIdEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %15, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %16 unwind label %21

16:                                               ; preds = %12
  call void @_ZNSt15__new_allocatorIdED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  %17 = load i32, ptr %1, align 4, !tbaa !5
  %.not21 = icmp slt i32 %17, 0
  br i1 %.not21, label %.preheader20, label %.lr.ph

.preheader20:                                     ; preds = %.lr.ph, %16
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %.not1723 = icmp slt i32 %18, 0
  br i1 %.not1723, label %._crit_edge, label %.lr.ph25

19:                                               ; preds = %0
  %20 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIdED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  br label %41

21:                                               ; preds = %12
  %22 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIdED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  br label %40

.lr.ph:                                           ; preds = %16, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %16 ]
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #5
  %24 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.3, ptr noundef nonnull %23)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %25 = load i32, ptr %1, align 4, !tbaa !5
  %26 = sext i32 %25 to i64
  %.not.not = icmp slt i64 %indvars.iv, %26
  br i1 %.not.not, label %.lr.ph, label %.preheader20, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph25, %.preheader20
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #5
  invoke void @_ZmlRKSt6vectorIdSaIdEES3_(ptr dead_on_unwind nonnull writable sret(%"class.std::vector.0") align 8 %7, ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(24) %5)
          to label %.preheader unwind label %32

.preheader:                                       ; preds = %._crit_edge
  %27 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  %.not = icmp eq i64 %27, 0
  br i1 %.not, label %._crit_edge28, label %.lr.ph27

.lr.ph25:                                         ; preds = %.preheader20, %.lr.ph25
  %indvars.iv30 = phi i64 [ %indvars.iv.next31, %.lr.ph25 ], [ 0, %.preheader20 ]
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %indvars.iv30) #5
  %29 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.3, ptr noundef nonnull %28)
  %indvars.iv.next31 = add nuw nsw i64 %indvars.iv30, 1
  %30 = load i32, ptr %2, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %.not17.not = icmp slt i64 %indvars.iv30, %31
  br i1 %.not17.not, label %.lr.ph25, label %._crit_edge, !llvm.loop !11

._crit_edge28:                                    ; preds = %.lr.ph27, %.preheader
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #5
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  ret i32 0

32:                                               ; preds = %._crit_edge
  %33 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #5
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  br label %40

.lr.ph27:                                         ; preds = %.preheader, %.lr.ph27
  %indvars.iv33 = phi i64 [ %indvars.iv.next34, %.lr.ph27 ], [ 0, %.preheader ]
  %34 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %indvars.iv33) #5
  %35 = load double, ptr %34, align 8, !tbaa !12
  %36 = fadd double %35, 1.000000e-08
  %37 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4, double noundef %36)
  %indvars.iv.next34 = add nuw nsw i64 %indvars.iv33, 1
  %38 = call noundef i64 @_ZNKSt6vectorIdSaIdEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  %39 = icmp ugt i64 %38, %indvars.iv.next34
  br i1 %39, label %.lr.ph27, label %._crit_edge28, !llvm.loop !14

40:                                               ; preds = %32, %21
  %.pn = phi { ptr, i32 } [ %33, %32 ], [ %22, %21 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  br label %41

41:                                               ; preds = %40, %19
  %.pn.pn = phi { ptr, i32 } [ %.pn, %40 ], [ %20, %19 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn.pn
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #4

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIdED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

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 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 #3 = { 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 #4 = { 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 #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}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass