; LLVM IR from Mohammed-Shoaib/Coding-Problems :: Google/Kick Start/2019/Round G/A.ll (Z12book_readingiiiRSt6vectorIiSaIiEES2_)

; 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<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z12book_readingiiiRSt6vectorIiSaIiEES2_(i32 noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(24) %4) #0 personality ptr @__gxx_personality_v0 {
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i64, align 8
  %12 = alloca %"class.std::vector", align 8
  %13 = alloca %"class.std::allocator", align 1
  %14 = alloca ptr, align 8
  %15 = alloca i32, align 4
  %16 = alloca ptr, align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %19 = alloca ptr, align 8
  %20 = alloca i32, align 4
  %21 = alloca i32, align 4
  %22 = alloca i32, align 4
  %23 = alloca ptr, align 8
  %24 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %25 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %26 = alloca ptr, align 8
  store i32 %0, ptr %6, align 4, !tbaa !5
  store i32 %1, ptr %7, align 4, !tbaa !5
  store i32 %2, ptr %8, align 4, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !9
  store ptr %4, ptr %10, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  store i64 0, ptr %11, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 24, ptr %12) #4
  %27 = load i32, ptr %6, align 4, !tbaa !5
  %28 = add nsw i32 %27, 1
  %29 = sext i32 %28 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %29, ptr noundef nonnull align 1 dereferenceable(1) %13)
          to label %30 unwind label %41

30:                                               ; preds = %5
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #4
  %31 = load ptr, ptr %9, align 8, !tbaa !9
  store ptr %31, ptr %16, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #4
  %32 = load ptr, ptr %16, align 8, !tbaa !9
  %33 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %32) #4
  %34 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  store ptr %33, ptr %34, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #4
  %35 = load ptr, ptr %16, align 8, !tbaa !9
  %36 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %35) #4
  %37 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  store ptr %36, ptr %37, align 8
  br label %38

38:                                               ; preds = %53, %30
  %39 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull align 8 dereferenceable(8) %18) #4
  br i1 %39, label %45, label %40

40:                                               ; preds = %38
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  br label %55

41:                                               ; preds = %5
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %14, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %15, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  br label %119

45:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #4
  %46 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %17) #4
  store ptr %46, ptr %19, align 8, !tbaa !9
  %47 = load ptr, ptr %19, align 8, !tbaa !9
  %48 = load i32, ptr %47, align 4, !tbaa !5
  %49 = sext i32 %48 to i64
  %50 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %49) #4
  %51 = load i32, ptr %50, align 4, !tbaa !5
  %52 = add nsw i32 %51, 1
  store i32 %52, ptr %50, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #4
  br label %53

53:                                               ; preds = %45
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %17) #4
  br label %38

55:                                               ; preds = %40
  call void @llvm.lifetime.start.p0(i64 4, ptr %20) #4
  store i32 1, ptr %20, align 4, !tbaa !5
  br label %56

56:                                               ; preds = %84, %55
  %57 = load i32, ptr %20, align 4, !tbaa !5
  %58 = load i32, ptr %6, align 4, !tbaa !5
  %59 = icmp sle i32 %57, %58
  br i1 %59, label %61, label %60

60:                                               ; preds = %56
  store i32 4, ptr %21, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #4
  br label %87

61:                                               ; preds = %56
  call void @llvm.lifetime.start.p0(i64 4, ptr %22) #4
  %62 = load i32, ptr %20, align 4, !tbaa !5
  %63 = shl i32 %62, 1
  store i32 %63, ptr %22, align 4, !tbaa !5
  br label %64

64:                                               ; preds = %79, %61
  %65 = load i32, ptr %22, align 4, !tbaa !5
  %66 = load i32, ptr %6, align 4, !tbaa !5
  %67 = icmp sle i32 %65, %66
  br i1 %67, label %69, label %68

68:                                               ; preds = %64
  store i32 7, ptr %21, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #4
  br label %83

69:                                               ; preds = %64
  %70 = load i32, ptr %22, align 4, !tbaa !5
  %71 = sext i32 %70 to i64
  %72 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %71) #4
  %73 = load i32, ptr %72, align 4, !tbaa !5
  %74 = load i32, ptr %20, align 4, !tbaa !5
  %75 = sext i32 %74 to i64
  %76 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %75) #4
  %77 = load i32, ptr %76, align 4, !tbaa !5
  %78 = add nsw i32 %77, %73
  store i32 %78, ptr %76, align 4, !tbaa !5
  br label %79

79:                                               ; preds = %69
  %80 = load i32, ptr %20, align 4, !tbaa !5
  %81 = load i32, ptr %22, align 4, !tbaa !5
  %82 = add nsw i32 %81, %80
  store i32 %82, ptr %22, align 4, !tbaa !5
  br label %64, !llvm.loop !13

83:                                               ; preds = %68
  br label %84

84:                                               ; preds = %83
  %85 = load i32, ptr %20, align 4, !tbaa !5
  %86 = add nsw i32 %85, 1
  store i32 %86, ptr %20, align 4, !tbaa !5
  br label %56, !llvm.loop !15

87:                                               ; preds = %60
  call void @llvm.lifetime.start.p0(i64 8, ptr %23) #4
  %88 = load ptr, ptr %10, align 8, !tbaa !9
  store ptr %88, ptr %23, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %24) #4
  %89 = load ptr, ptr %23, align 8, !tbaa !9
  %90 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %89) #4
  %91 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %24, i32 0, i32 0
  store ptr %90, ptr %91, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #4
  %92 = load ptr, ptr %23, align 8, !tbaa !9
  %93 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %92) #4
  %94 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %25, i32 0, i32 0
  store ptr %93, ptr %94, align 8
  br label %95

95:                                               ; preds = %115, %87
  %96 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %24, ptr noundef nonnull align 8 dereferenceable(8) %25) #4
  br i1 %96, label %98, label %97

97:                                               ; preds = %95
  store i32 10, ptr %21, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #4
  br label %117

98:                                               ; preds = %95
  call void @llvm.lifetime.start.p0(i64 8, ptr %26) #4
  %99 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %24) #4
  store ptr %99, ptr %26, align 8, !tbaa !9
  %100 = load i32, ptr %6, align 4, !tbaa !5
  %101 = load ptr, ptr %26, align 8, !tbaa !9
  %102 = load i32, ptr %101, align 4, !tbaa !5
  %103 = sdiv i32 %100, %102
  %104 = sext i32 %103 to i64
  %105 = load i64, ptr %11, align 8, !tbaa !11
  %106 = add nsw i64 %105, %104
  store i64 %106, ptr %11, align 8, !tbaa !11
  %107 = load ptr, ptr %26, align 8, !tbaa !9
  %108 = load i32, ptr %107, align 4, !tbaa !5
  %109 = sext i32 %108 to i64
  %110 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %109) #4
  %111 = load i32, ptr %110, align 4, !tbaa !5
  %112 = sext i32 %111 to i64
  %113 = load i64, ptr %11, align 8, !tbaa !11
  %114 = sub nsw i64 %113, %112
  store i64 %114, ptr %11, align 8, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #4
  br label %115

115:                                              ; preds = %98
  %116 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %24) #4
  br label %95

117:                                              ; preds = %97
  %118 = load i64, ptr %11, align 8, !tbaa !11
  store i32 1, ptr %21, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  ret i64 %118

119:                                              ; preds = %41
  %120 = load ptr, ptr %14, align 8
  %121 = load i32, ptr %15, align 4
  %122 = insertvalue { ptr, i32 } poison, ptr %120, 0
  %123 = insertvalue { ptr, i32 } %122, i32 %121, 1
  resume { ptr, i32 } %123
}

; 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 void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(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 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(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 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_Z12book_readingiiiRSt6vectorIiSaIiEES2_(i32 noundef %0, i32 noundef %1, i32 noundef %2, ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(24) %4) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #4
  %12 = add i32 %0, 1
  %13 = sext i32 %12 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %13, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %14 unwind label %19

14:                                               ; preds = %5
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  %15 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  store ptr %15, ptr %8, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #4
  %16 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  store ptr %16, ptr %9, align 8
  %17 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  br i1 %17, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %14
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  %.not34 = icmp slt i32 %0, 1
  br i1 %.not34, label %._crit_edge38, label %.lr.ph37.preheader

.lr.ph37.preheader:                               ; preds = %._crit_edge
  %18 = zext nneg i32 %0 to i64
  %wide.trip.count = zext i32 %12 to i64
  br label %.lr.ph37

19:                                               ; preds = %5
  %20 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #4
  resume { ptr, i32 } %20

.lr.ph:                                           ; preds = %14, %.lr.ph
  %21 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  %22 = load i32, ptr %21, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  %24 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %23) #4
  %25 = load i32, ptr %24, align 4, !tbaa !5
  %26 = add nsw i32 %25, 1
  store i32 %26, ptr %24, align 4, !tbaa !5
  %27 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  %28 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #4
  br i1 %28, label %.lr.ph, label %._crit_edge

._crit_edge38:                                    ; preds = %._crit_edge33, %._crit_edge
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #4
  %29 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  store ptr %29, ptr %10, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #4
  %30 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  store ptr %30, ptr %11, align 8
  %31 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #4
  br i1 %31, label %.lr.ph41, label %._crit_edge42

.lr.ph37:                                         ; preds = %.lr.ph37.preheader, %._crit_edge33
  %indvars.iv43 = phi i64 [ 1, %.lr.ph37.preheader ], [ %indvars.iv.next44, %._crit_edge33 ]
  %indvars.iv = phi i32 [ 2, %.lr.ph37.preheader ], [ %indvars.iv.next, %._crit_edge33 ]
  %indvars.iv43.tr = trunc i64 %indvars.iv43 to i32
  %32 = shl i32 %indvars.iv43.tr, 1
  %.not2829 = icmp sgt i32 %32, %0
  br i1 %.not2829, label %._crit_edge33, label %.lr.ph32

.lr.ph32:                                         ; preds = %.lr.ph37
  %33 = sext i32 %indvars.iv to i64
  br label %34

._crit_edge33:                                    ; preds = %34, %.lr.ph37
  %indvars.iv.next44 = add nuw nsw i64 %indvars.iv43, 1
  %indvars.iv.next = add i32 %indvars.iv, 2
  %exitcond.not = icmp eq i64 %indvars.iv.next44, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge38, label %.lr.ph37, !llvm.loop !9

34:                                               ; preds = %.lr.ph32, %34
  %indvars.iv45 = phi i64 [ %33, %.lr.ph32 ], [ %indvars.iv.next46, %34 ]
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv45) #4
  %36 = load i32, ptr %35, align 4, !tbaa !5
  %37 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv43) #4
  %38 = load i32, ptr %37, align 4, !tbaa !5
  %39 = add nsw i32 %38, %36
  store i32 %39, ptr %37, align 4, !tbaa !5
  %indvars.iv.next46 = add nsw i64 %indvars.iv45, %indvars.iv43
  %.not28 = icmp sgt i64 %indvars.iv.next46, %18
  br i1 %.not28, label %._crit_edge33, label %34, !llvm.loop !11

._crit_edge42:                                    ; preds = %.lr.ph41, %._crit_edge38
  %.0.lcssa = phi i64 [ 0, %._crit_edge38 ], [ %49, %.lr.ph41 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #4
  ret i64 %.0.lcssa

.lr.ph41:                                         ; preds = %._crit_edge38, %.lr.ph41
  %.039 = phi i64 [ %49, %.lr.ph41 ], [ 0, %._crit_edge38 ]
  %40 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  %41 = load i32, ptr %40, align 4, !tbaa !5
  %42 = sdiv i32 %0, %41
  %43 = sext i32 %42 to i64
  %44 = add nsw i64 %.039, %43
  %45 = sext i32 %41 to i64
  %46 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %45) #4
  %47 = load i32, ptr %46, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = sub i64 %44, %48
  %50 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  %51 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #4
  br i1 %51, label %.lr.ph41, label %._crit_edge42
}

; 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 void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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 nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(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_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(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 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) 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_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(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 = { 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 = !{!"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}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass