; LLVM IR from codeIIEST/Algorithms :: Competitive Coding/Math/FFT (FastFourierTransform)

; 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::complex" = type { { double, double } }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::complex<double>, std::allocator<std::complex<double>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::complex<double>, std::allocator<std::complex<double>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::complex<double>, std::allocator<std::complex<double>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::complex<double>, std::allocator<std::complex<double>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::initializer_list" = type { ptr, i64 }
%"class.std::allocator" = type { i8 }

@constinit = external hidden constant [4 x %"class.std::complex"], align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3fftRSt6vectorISt7complexIdESaIS1_EE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef nonnull align 8 dereferenceable(24)) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt7complexIdESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt7complexIdEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt7complexIdESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #4 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::initializer_list", align 8
  %4 = alloca [4 x %"class.std::complex"], align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 24, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 64, ptr %4) #7
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %4, ptr align 8 @constinit, i64 64, i1 false), !tbaa.struct !5
  %10 = getelementptr inbounds %"class.std::initializer_list", ptr %3, i32 0, i32 0
  store ptr %4, ptr %10, align 8, !tbaa !9
  %11 = getelementptr inbounds %"class.std::initializer_list", ptr %3, i32 0, i32 1
  store i64 4, ptr %11, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #7
  call void @_ZNSaISt7complexIdEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  %12 = getelementptr inbounds { ptr, i64 }, ptr %3, i32 0, i32 0
  %13 = load ptr, ptr %12, align 8
  %14 = getelementptr inbounds { ptr, i64 }, ptr %3, i32 0, i32 1
  %15 = load i64, ptr %14, align 8
  invoke void @_ZNSt6vectorISt7complexIdESaIS1_EEC2ESt16initializer_listIS1_ERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr %13, i64 %15, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %16 unwind label %22

16:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt7complexIdEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 64, ptr %4) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #7
  invoke void @_Z3fftRSt6vectorISt7complexIdESaIS1_EE(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %8, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %17 unwind label %26

17:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  store i32 0, ptr %9, align 4, !tbaa !14
  br label %18

18:                                               ; preds = %38, %17
  %19 = load i32, ptr %9, align 4, !tbaa !14
  %20 = icmp slt i32 %19, 4
  br i1 %20, label %30, label %21

21:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %45

22:                                               ; preds = %0
  %23 = landingpad { ptr, i32 }
          cleanup
  %24 = extractvalue { ptr, i32 } %23, 0
  store ptr %24, ptr %6, align 8
  %25 = extractvalue { ptr, i32 } %23, 1
  store i32 %25, ptr %7, align 4
  call void @_ZNSt15__new_allocatorISt7complexIdEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 64, ptr %4) #7
  br label %48

26:                                               ; preds = %16
  %27 = landingpad { ptr, i32 }
          cleanup
  %28 = extractvalue { ptr, i32 } %27, 0
  store ptr %28, ptr %6, align 8
  %29 = extractvalue { ptr, i32 } %27, 1
  store i32 %29, ptr %7, align 4
  br label %47

30:                                               ; preds = %18
  %31 = load i32, ptr %9, align 4, !tbaa !14
  %32 = sext i32 %31 to i64
  %33 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt7complexIdESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %32) #7
  %34 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIdcSt11char_traitsIcEERSt13basic_ostreamIT0_T1_ES6_RKSt7complexIT_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(16) %33)
          to label %35 unwind label %41

35:                                               ; preds = %30
  %36 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %34, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %37 unwind label %41

37:                                               ; preds = %35
  br label %38

38:                                               ; preds = %37
  %39 = load i32, ptr %9, align 4, !tbaa !14
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %9, align 4, !tbaa !14
  br label %18, !llvm.loop !16

41:                                               ; preds = %35, %30
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %6, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  call void @_ZNSt6vectorISt7complexIdESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  br label %47

45:                                               ; preds = %21
  store i32 0, ptr %1, align 4
  call void @_ZNSt6vectorISt7complexIdESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #7
  call void @_ZNSt6vectorISt7complexIdESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #7
  %46 = load i32, ptr %1, align 4
  ret i32 %46

47:                                               ; preds = %41, %26
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #7
  call void @_ZNSt6vectorISt7complexIdESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  br label %48

48:                                               ; preds = %47, %22
  call void @llvm.lifetime.end.p0(i64 24, ptr %2) #7
  br label %49

49:                                               ; preds = %48
  %50 = load ptr, ptr %6, align 8
  %51 = load i32, ptr %7, align 4
  %52 = insertvalue { ptr, i32 } poison, ptr %50, 0
  %53 = insertvalue { ptr, i32 } %52, i32 %51, 1
  resume { ptr, i32 } %53
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt7complexIdESaIS1_EEC2ESt16initializer_listIS1_ERKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIdcSt11char_traitsIcEERSt13basic_ostreamIT0_T1_ES6_RKSt7complexIT_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(16)) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt7complexIdEED2Ev(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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { "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 #6 = { inlinehint 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 #7 = { 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 = !{i64 0, i64 64, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"_ZTSSt16initializer_listISt7complexIdEE", !11, i64 0, !12, i64 8}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!10, !12, i64 8}
!14 = !{!15, !15, i64 0}
!15 = !{!"int", !7, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}


; 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::complex" = type { { double, double } }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::complex<double>, std::allocator<std::complex<double>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::complex<double>, std::allocator<std::complex<double>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::complex<double>, std::allocator<std::complex<double>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::complex<double>, std::allocator<std::complex<double>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }

@constinit = external hidden local_unnamed_addr constant [4 x %"class.std::complex"], align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3fftRSt6vectorISt7complexIdESaIS1_EE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef nonnull align 8 dereferenceable(24)) 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 nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt7complexIdESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt7complexIdEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; 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 nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt7complexIdESaIS1_EED2Ev(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 #4 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::vector", align 8
  %2 = alloca [4 x %"class.std::complex"], align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca %"class.std::vector", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %2) #7
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(64) %2, ptr noundef nonnull align 8 dereferenceable(64) @constinit, i64 64, i1 false), !tbaa.struct !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #7
  call void @_ZNSaISt7complexIdEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  invoke void @_ZNSt6vectorISt7complexIdESaIS1_EEC2ESt16initializer_listIS1_ERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr nonnull %2, i64 4, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %5 unwind label %8

5:                                                ; preds = %0
  call void @_ZNSt15__new_allocatorISt7complexIdEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #7
  invoke void @_Z3fftRSt6vectorISt7complexIdESaIS1_EE(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %4, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %.preheader.preheader unwind label %10

.preheader.preheader:                             ; preds = %5
  %6 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt7complexIdESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 0) #7
  %7 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIdcSt11char_traitsIcEERSt13basic_ostreamIT0_T1_ES6_RKSt7complexIT_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(16) %6)
          to label %12 unwind label %27

8:                                                ; preds = %0
  %9 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt7complexIdEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %2) #7
  br label %30

10:                                               ; preds = %5
  %11 = landingpad { ptr, i32 }
          cleanup
  br label %29

12:                                               ; preds = %.preheader.preheader
  %13 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.preheader.1 unwind label %27

.preheader.1:                                     ; preds = %12
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt7complexIdESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 1) #7
  %15 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIdcSt11char_traitsIcEERSt13basic_ostreamIT0_T1_ES6_RKSt7complexIT_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(16) %14)
          to label %16 unwind label %27

16:                                               ; preds = %.preheader.1
  %17 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.preheader.2 unwind label %27

.preheader.2:                                     ; preds = %16
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt7complexIdESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 2) #7
  %19 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIdcSt11char_traitsIcEERSt13basic_ostreamIT0_T1_ES6_RKSt7complexIT_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(16) %18)
          to label %20 unwind label %27

20:                                               ; preds = %.preheader.2
  %21 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %19, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.preheader.3 unwind label %27

.preheader.3:                                     ; preds = %20
  %22 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt6vectorISt7complexIdESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 3) #7
  %23 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIdcSt11char_traitsIcEERSt13basic_ostreamIT0_T1_ES6_RKSt7complexIT_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(16) %22)
          to label %24 unwind label %27

24:                                               ; preds = %.preheader.3
  %25 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %23, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %26 unwind label %27

26:                                               ; preds = %24
  call void @_ZNSt6vectorISt7complexIdESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @_ZNSt6vectorISt7complexIdESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #7
  ret i32 0

27:                                               ; preds = %24, %.preheader.3, %20, %.preheader.2, %16, %.preheader.1, %12, %.preheader.preheader
  %28 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorISt7complexIdESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  br label %29

29:                                               ; preds = %27, %10
  %.pn = phi { ptr, i32 } [ %28, %27 ], [ %11, %10 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @_ZNSt6vectorISt7complexIdESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %1) #7
  br label %30

30:                                               ; preds = %29, %8
  %.pn.pn = phi { ptr, i32 } [ %.pn, %29 ], [ %9, %8 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn.pn
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt7complexIdESaIS1_EEC2ESt16initializer_listIS1_ERKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIdcSt11char_traitsIcEERSt13basic_ostreamIT0_T1_ES6_RKSt7complexIT_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt7complexIdEED2Ev(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 nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { "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 #6 = { inlinehint 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 #7 = { 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 = !{i64 0, i64 64, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,LoopSimplifyPass,SROAPass,SimplifyCFGPass