; LLVM IR from kazunetakahashi/atcoder :: 2020/0304_ABC157/F.ll (Z6RotateSt6vectorISt7complexIeESaIS1_EEe)

; 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 { { x86_fp80, x86_fp80 } }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::complex<long double>, std::allocator<std::complex<long double>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::complex<long double>, std::allocator<std::complex<long double>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::complex<long double>, std::allocator<std::complex<long double>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::complex<long double>, std::allocator<std::complex<long double>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; 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) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt7complexIeESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt7complexIeESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt7complexIeESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 16 dereferenceable(32) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt7complexIeESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt7complexIeESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6RotateRKSt7complexIeEe(ptr dead_on_unwind noalias writable sret(%"class.std::complex") align 16, ptr noundef nonnull align 16 dereferenceable(32), x86_fp80 noundef) #4

; Function Attrs: mustprogress uwtable
define dso_local void @_Z6RotateSt6vectorISt7complexIeESaIS1_EEe(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef %1, x86_fp80 noundef %2) #4 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca x86_fp80, align 16
  %7 = alloca ptr, align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca ptr, align 8
  %11 = alloca %"class.std::complex", align 16
  store ptr %0, ptr %4, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store x86_fp80 %2, ptr %6, align 16, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  store ptr %1, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %12 = load ptr, ptr %7, align 8, !tbaa !5
  %13 = call ptr @_ZNSt6vectorISt7complexIeESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  %14 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %13, ptr %14, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  %15 = load ptr, ptr %7, align 8, !tbaa !5
  %16 = call ptr @_ZNSt6vectorISt7complexIeESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %15) #5
  %17 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %16, ptr %17, align 8
  br label %18

18:                                               ; preds = %26, %3
  %19 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt7complexIeESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #5
  br i1 %19, label %21, label %20

20:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  br label %28

21:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %22 = call noundef nonnull align 16 dereferenceable(32) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt7complexIeESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  store ptr %22, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #5
  %23 = load ptr, ptr %10, align 8, !tbaa !5
  %24 = load x86_fp80, ptr %6, align 16, !tbaa !9
  call void @_Z6RotateRKSt7complexIeEe(ptr dead_on_unwind writable sret(%"class.std::complex") align 16 %11, ptr noundef nonnull align 16 dereferenceable(32) %23, x86_fp80 noundef %24)
  %25 = load ptr, ptr %10, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %25, ptr align 16 %11, i64 32, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %26

26:                                               ; preds = %21
  %27 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt7complexIeESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  br label %18

28:                                               ; preds = %20
  call void @_ZNSt6vectorISt7complexIeESaIS1_EEC2EOS3_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #5
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt7complexIeESaIS1_EEC2EOS3_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree 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 = { 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 #4 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long double", !7, i64 0}
!11 = !{i64 0, i64 32, !12}
!12 = !{!7, !7, i64 0}


; 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 { { x86_fp80, x86_fp80 } }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::complex<long double>, std::allocator<std::complex<long double>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::complex<long double>, std::allocator<std::complex<long double>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::complex<long double>, std::allocator<std::complex<long double>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::complex<long double>, std::allocator<std::complex<long double>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; 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) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt7complexIeESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt7complexIeESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt7complexIeESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 16 dereferenceable(32) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt7complexIeESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt7complexIeESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6RotateRKSt7complexIeEe(ptr dead_on_unwind noalias writable sret(%"class.std::complex") align 16, ptr noundef nonnull align 16 dereferenceable(32), x86_fp80 noundef) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
define dso_local void @_Z6RotateSt6vectorISt7complexIeESaIS1_EEe(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull %1, x86_fp80 noundef %2) local_unnamed_addr #4 {
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.std::complex", align 16
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %7 = tail call ptr @_ZNSt6vectorISt7complexIeESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #5
  store ptr %7, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %8 = tail call ptr @_ZNSt6vectorISt7complexIeESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #5
  store ptr %8, ptr %5, align 8
  %9 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt7complexIeESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %9, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @_ZNSt6vectorISt7complexIeESaIS1_EEC2EOS3_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #5
  ret void

.lr.ph:                                           ; preds = %3, %.lr.ph
  %10 = call noundef nonnull align 16 dereferenceable(32) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt7complexIeESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #5
  call void @_Z6RotateRKSt7complexIeEe(ptr dead_on_unwind nonnull writable sret(%"class.std::complex") align 16 %6, ptr noundef nonnull align 16 dereferenceable(32) %10, x86_fp80 noundef %2)
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(32) %10, ptr noundef nonnull align 16 dereferenceable(32) %6, i64 32, i1 false), !tbaa.struct !5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #5
  %11 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt7complexIeESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %12 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt7complexIeESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %12, label %.lr.ph, label %._crit_edge
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt7complexIeESaIS1_EEC2EOS3_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nocallback nofree 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 = { 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 #4 = { 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 #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 = !{i64 0, i64 32, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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