; LLVM IR from kazunetakahashi/atcoder :: 2019/0810_ABC137/past/F.ll (ZmlSt6vectorI4mintSaIS0_EES0_)

; 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" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<mint, std::allocator<mint>>::_Vector_impl" }
%"struct.std::_Vector_base<mint, std::allocator<mint>>::_Vector_impl" = type { %"struct.std::_Vector_base<mint, std::allocator<mint>>::_Vector_impl_data" }
%"struct.std::_Vector_base<mint, std::allocator<mint>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.mint = type { i64 }
%"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: mustprogress uwtable
declare dso_local void @_Z6reduceRSt6vectorI4mintSaIS0_EE(ptr noundef nonnull align 8 dereferenceable(24)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI4mintSaIS0_EEC2EOS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZmlSt6vectorI4mintSaIS0_EES0_(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef %1, i64 %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca %class.mint, align 8
  %6 = alloca ptr, align 8
  %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
  store ptr %0, ptr %4, align 8
  %11 = getelementptr inbounds %class.mint, ptr %5, i32 0, i32 0
  store i64 %2, ptr %11, align 8
  store ptr %1, ptr %6, align 8, !tbaa !5
  call void @_Z6reduceRSt6vectorI4mintSaIS0_EE(ptr noundef nonnull align 8 dereferenceable(24) %1)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  store ptr %1, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %12 = load ptr, ptr %7, align 8, !tbaa !5
  %13 = call ptr @_ZNSt6vectorI4mintSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #4
  %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) #4
  %15 = load ptr, ptr %7, align 8, !tbaa !5
  %16 = call ptr @_ZNSt6vectorI4mintSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %15) #4
  %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 = %25, %3
  %19 = call noundef zeroext i1 @_ZN9__gnu_cxxneIP4mintSt6vectorIS1_SaIS1_EEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  br i1 %19, label %21, label %20

20:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  br label %27

21:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %22 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIP4mintSt6vectorIS1_SaIS1_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  store ptr %22, ptr %10, align 8, !tbaa !5
  %23 = load ptr, ptr %10, align 8, !tbaa !5
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN4mintmLERKS_(ptr noundef nonnull align 8 dereferenceable(8) %23, ptr noundef nonnull align 8 dereferenceable(8) %5)
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  br label %25

25:                                               ; preds = %21
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIP4mintSt6vectorIS1_SaIS1_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  br label %18

27:                                               ; preds = %20
  call void @_ZNSt6vectorI4mintSaIS0_EEC2EOS2_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4mintSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4mintSaIS0_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_cxxneIP4mintSt6vectorIS1_SaIS1_EEEEbRKNS_17__normal_iteratorIT_T0_EESB_(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 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIP4mintSt6vectorIS1_SaIS1_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 @_ZN4mintmLERKS_(ptr noundef nonnull align 8 dereferenceable(8), 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_iteratorIP4mintSt6vectorIS1_SaIS1_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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"}


; 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" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<mint, std::allocator<mint>>::_Vector_impl" }
%"struct.std::_Vector_base<mint, std::allocator<mint>>::_Vector_impl" = type { %"struct.std::_Vector_base<mint, std::allocator<mint>>::_Vector_impl_data" }
%"struct.std::_Vector_base<mint, std::allocator<mint>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%class.mint = type { i64 }
%"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 uwtable
declare dso_local void @_Z6reduceRSt6vectorI4mintSaIS0_EE(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorI4mintSaIS0_EEC2EOS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZmlSt6vectorI4mintSaIS0_EES0_(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull %1, i64 %2) local_unnamed_addr #1 {
  %4 = alloca %class.mint, align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store i64 %2, ptr %4, align 8
  tail call void @_Z6reduceRSt6vectorI4mintSaIS0_EE(ptr noundef nonnull align 8 dereferenceable(24) %1)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %7 = tail call ptr @_ZNSt6vectorI4mintSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  store ptr %7, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %8 = tail call ptr @_ZNSt6vectorI4mintSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  store ptr %8, ptr %6, align 8
  %9 = call noundef zeroext i1 @_ZN9__gnu_cxxneIP4mintSt6vectorIS1_SaIS1_EEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  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 %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @_ZNSt6vectorI4mintSaIS0_EEC2EOS2_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  ret void

.lr.ph:                                           ; preds = %3, %.lr.ph
  %10 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIP4mintSt6vectorIS1_SaIS1_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %11 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN4mintmLERKS_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %4)
  %12 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIP4mintSt6vectorIS1_SaIS1_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %13 = call noundef zeroext i1 @_ZN9__gnu_cxxneIP4mintSt6vectorIS1_SaIS1_EEEEbRKNS_17__normal_iteratorIT_T0_EESB_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  br i1 %13, label %.lr.ph, label %._crit_edge
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4mintSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI4mintSaIS0_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_cxxneIP4mintSt6vectorIS1_SaIS1_EEEEbRKNS_17__normal_iteratorIT_T0_EESB_(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 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIP4mintSt6vectorIS1_SaIS1_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 @_ZN4mintmLERKS_(ptr noundef nonnull align 8 dereferenceable(8), 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_iteratorIP4mintSt6vectorIS1_SaIS1_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = { 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)"}


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