; LLVM IR from kazunetakahashi/atcoder :: 2019/0810_ABC137/past/F.ll (Z4evalRKSt6vectorI4mintSaIS0_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.mint = type { i64 }
%"class.__gnu_cxx::__normal_iterator.0" = 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 nounwind uwtable
declare dso_local void @_ZN4mintC2Ex(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN4mintpLERKS_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; 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) #2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZNK4mintmlERKS_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3 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)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local i64 @_Z4evalRKSt6vectorI4mintSaIS0_EES0_(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 %1) #3 {
  %3 = alloca %class.mint, align 8
  %4 = alloca %class.mint, align 8
  %5 = alloca ptr, align 8
  %6 = alloca %class.mint, align 8
  %7 = alloca ptr, align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %10 = alloca %class.mint, align 8
  %11 = alloca %class.mint, align 8
  %12 = getelementptr inbounds %class.mint, ptr %4, i32 0, i32 0
  store i64 %1, ptr %12, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  call void @_ZN4mintC2Ex(ptr noundef nonnull align 8 dereferenceable(8) %6, i64 noundef 1)
  call void @_ZN4mintC2Ex(ptr noundef nonnull align 8 dereferenceable(8) %3, i64 noundef 0)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %13, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %14 = load ptr, ptr %7, align 8, !tbaa !5
  %15 = call ptr @_ZNKSt6vectorI4mintSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %14) #5
  %16 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %8, i32 0, i32 0
  store ptr %15, ptr %16, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  %17 = load ptr, ptr %7, align 8, !tbaa !5
  %18 = call ptr @_ZNKSt6vectorI4mintSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #5
  %19 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %9, i32 0, i32 0
  store ptr %18, ptr %19, align 8
  br label %20

20:                                               ; preds = %29, %2
  %21 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPK4mintSt6vectorIS1_SaIS1_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 %21, label %23, label %22

22:                                               ; preds = %20
  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 %31

23:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPK4mintSt6vectorIS1_SaIS1_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %10, ptr align 8 %24, i64 8, i1 false), !tbaa.struct !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  %25 = call i64 @_ZNK4mintmlERKS_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %6)
  %26 = getelementptr inbounds %class.mint, ptr %11, i32 0, i32 0
  store i64 %25, ptr %26, align 8
  %27 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN4mintpLERKS_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %11)
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN4mintmLERKS_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %29

29:                                               ; preds = %23
  %30 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPK4mintSt6vectorIS1_SaIS1_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  br label %20

31:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  %32 = getelementptr inbounds %class.mint, ptr %3, i32 0, i32 0
  %33 = load i64, ptr %32, align 8
  ret i64 %33
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorI4mintSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorI4mintSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPK4mintSt6vectorIS1_SaIS1_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPK4mintSt6vectorIS1_SaIS1_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPK4mintSt6vectorIS1_SaIS1_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{i64 0, i64 8, !10}
!10 = !{!11, !11, i64 0}
!11 = !{!"long long", !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.mint = type { i64 }
%"class.__gnu_cxx::__normal_iterator.0" = 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 nounwind uwtable
declare dso_local void @_ZN4mintC2Ex(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN4mintpLERKS_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZNK4mintmlERKS_(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 @_ZN4mintmLERKS_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local i64 @_Z4evalRKSt6vectorI4mintSaIS0_EES0_(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 %1) local_unnamed_addr #2 {
  %3 = alloca %class.mint, align 8
  %4 = alloca %class.mint, align 8
  %5 = alloca %class.mint, align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %8 = alloca %class.mint, align 8
  %9 = alloca %class.mint, align 8
  store i64 %1, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  call void @_ZN4mintC2Ex(ptr noundef nonnull align 8 dereferenceable(8) %5, i64 noundef 1)
  call void @_ZN4mintC2Ex(ptr noundef nonnull align 8 dereferenceable(8) %3, i64 noundef 0)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %10 = call ptr @_ZNKSt6vectorI4mintSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  store ptr %10, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %11 = call ptr @_ZNKSt6vectorI4mintSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  store ptr %11, ptr %7, align 8
  %12 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPK4mintSt6vectorIS1_SaIS1_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br i1 %12, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  %13 = load i64, ptr %3, align 8
  ret i64 %13

.lr.ph:                                           ; preds = %2, %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  %14 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPK4mintSt6vectorIS1_SaIS1_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  %15 = load i64, ptr %14, align 8, !tbaa !5
  store i64 %15, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #4
  %16 = call i64 @_ZNK4mintmlERKS_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %5)
  store i64 %16, ptr %9, align 8
  %17 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN4mintpLERKS_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %9)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  %18 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN4mintmLERKS_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %4)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPK4mintSt6vectorIS1_SaIS1_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  %20 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPK4mintSt6vectorIS1_SaIS1_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br i1 %20, label %.lr.ph, label %._crit_edge
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorI4mintSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorI4mintSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPK4mintSt6vectorIS1_SaIS1_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 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPK4mintSt6vectorIS1_SaIS1_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPK4mintSt6vectorIS1_SaIS1_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #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 = !{!"long long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


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