; LLVM IR from HarshCasper/NeoAlgo :: C-Plus-Plus/cp/ZeroSum.ll (Z6lszeroRSt6vectorIiSaIiEE)

; 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::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"struct.std::__detail::_Node_iterator" = type { %"struct.std::__detail::_Node_iterator_base" }
%"struct.std::__detail::_Node_iterator_base" = type { ptr }
%"class.std::allocator" = type { i8 }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z6lszeroRSt6vectorIiSaIiEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::unordered_map", align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %14 = alloca ptr, align 8
  %15 = alloca i32, align 4
  %16 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %17 = alloca %"class.std::allocator", align 1
  %18 = alloca i32, align 4
  %19 = alloca i1, align 1
  %20 = alloca %"class.std::allocator", align 1
  %21 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 -1, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 -1, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 0, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  store i32 0, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 56, ptr %9) #4
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %9) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  store i32 0, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %22) #4
  %24 = trunc i64 %23 to i32
  store i32 %24, ptr %11, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  store i32 0, ptr %12, align 4, !tbaa !9
  br label %25

25:                                               ; preds = %84, %2
  %26 = load i32, ptr %12, align 4, !tbaa !9
  %27 = load i32, ptr %11, align 4, !tbaa !9
  %28 = icmp slt i32 %26, %27
  br i1 %28, label %30, label %29

29:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  br label %88

30:                                               ; preds = %25
  %31 = load ptr, ptr %4, align 8, !tbaa !5
  %32 = load i32, ptr %12, align 4, !tbaa !9
  %33 = sext i32 %32 to i64
  %34 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %31, i64 noundef %33) #4
  %35 = load i32, ptr %34, align 4, !tbaa !9
  %36 = load i32, ptr %10, align 4, !tbaa !9
  %37 = add nsw i32 %36, %35
  store i32 %37, ptr %10, align 4, !tbaa !9
  %38 = load i32, ptr %10, align 4, !tbaa !9
  %39 = icmp eq i32 %38, 0
  br i1 %39, label %40, label %44

40:                                               ; preds = %30
  store i32 0, ptr %5, align 4, !tbaa !9
  %41 = load i32, ptr %12, align 4, !tbaa !9
  store i32 %41, ptr %6, align 4, !tbaa !9
  %42 = load i32, ptr %12, align 4, !tbaa !9
  %43 = add nsw i32 %42, 1
  store i32 %43, ptr %7, align 4, !tbaa !9
  br label %83

44:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  %45 = invoke ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE4findERS5_(ptr noundef nonnull align 8 dereferenceable(56) %9, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %46 unwind label %69

46:                                               ; preds = %44
  %47 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %13, i32 0, i32 0
  %48 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %47, i32 0, i32 0
  store ptr %45, ptr %48, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #4
  %49 = call ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %9) #4
  %50 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %16, i32 0, i32 0
  %51 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %50, i32 0, i32 0
  store ptr %49, ptr %51, align 8
  %52 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKiiELb0EEES6_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %16) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  br i1 %52, label %53, label %78

53:                                               ; preds = %46
  %54 = load i32, ptr %12, align 4, !tbaa !9
  %55 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %9, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %56 unwind label %73

56:                                               ; preds = %53
  %57 = load i32, ptr %55, align 4, !tbaa !9
  %58 = sub nsw i32 %54, %57
  store i32 %58, ptr %8, align 4, !tbaa !9
  %59 = load i32, ptr %8, align 4, !tbaa !9
  %60 = load i32, ptr %7, align 4, !tbaa !9
  %61 = icmp sgt i32 %59, %60
  br i1 %61, label %62, label %77

62:                                               ; preds = %56
  %63 = load i32, ptr %8, align 4, !tbaa !9
  store i32 %63, ptr %7, align 4, !tbaa !9
  %64 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %9, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %65 unwind label %73

65:                                               ; preds = %62
  %66 = load i32, ptr %64, align 4, !tbaa !9
  %67 = add nsw i32 %66, 1
  store i32 %67, ptr %5, align 4, !tbaa !9
  %68 = load i32, ptr %12, align 4, !tbaa !9
  store i32 %68, ptr %6, align 4, !tbaa !9
  br label %77

69:                                               ; preds = %44
  %70 = landingpad { ptr, i32 }
          cleanup
  %71 = extractvalue { ptr, i32 } %70, 0
  store ptr %71, ptr %14, align 8
  %72 = extractvalue { ptr, i32 } %70, 1
  store i32 %72, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  br label %87

73:                                               ; preds = %78, %62, %53
  %74 = landingpad { ptr, i32 }
          cleanup
  %75 = extractvalue { ptr, i32 } %74, 0
  store ptr %75, ptr %14, align 8
  %76 = extractvalue { ptr, i32 } %74, 1
  store i32 %76, ptr %15, align 4
  br label %87

77:                                               ; preds = %65, %56
  br label %82

78:                                               ; preds = %46
  %79 = load i32, ptr %12, align 4, !tbaa !9
  %80 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %9, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %81 unwind label %73

81:                                               ; preds = %78
  store i32 %79, ptr %80, align 4, !tbaa !9
  br label %82

82:                                               ; preds = %81, %77
  br label %83

83:                                               ; preds = %82, %40
  br label %84

84:                                               ; preds = %83
  %85 = load i32, ptr %12, align 4, !tbaa !9
  %86 = add nsw i32 %85, 1
  store i32 %86, ptr %12, align 4, !tbaa !9
  br label %25, !llvm.loop !11

87:                                               ; preds = %73, %69
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  br label %130

88:                                               ; preds = %29
  %89 = load i32, ptr %5, align 4, !tbaa !9
  %90 = icmp eq i32 %89, -1
  br i1 %90, label %91, label %97

91:                                               ; preds = %88
  call void @llvm.lifetime.start.p0(i64 1, ptr %17) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0, ptr noundef nonnull align 1 dereferenceable(1) %17)
          to label %92 unwind label %93

92:                                               ; preds = %91
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %17) #4
  store i32 1, ptr %18, align 4
  br label %129

93:                                               ; preds = %91
  %94 = landingpad { ptr, i32 }
          cleanup
  %95 = extractvalue { ptr, i32 } %94, 0
  store ptr %95, ptr %14, align 8
  %96 = extractvalue { ptr, i32 } %94, 1
  store i32 %96, ptr %15, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %17) #4
  br label %130

97:                                               ; preds = %88
  store i1 false, ptr %19, align 1
  %98 = load i32, ptr %7, align 4, !tbaa !9
  %99 = sext i32 %98 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %20) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %99, ptr noundef nonnull align 1 dereferenceable(1) %20)
          to label %100 unwind label %107

100:                                              ; preds = %97
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %20) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %21) #4
  %101 = load i32, ptr %5, align 4, !tbaa !9
  store i32 %101, ptr %21, align 4, !tbaa !9
  br label %102

102:                                              ; preds = %122, %100
  %103 = load i32, ptr %21, align 4, !tbaa !9
  %104 = load i32, ptr %6, align 4, !tbaa !9
  %105 = icmp sle i32 %103, %104
  br i1 %105, label %111, label %106

106:                                              ; preds = %102
  store i32 5, ptr %18, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #4
  br label %125

107:                                              ; preds = %97
  %108 = landingpad { ptr, i32 }
          cleanup
  %109 = extractvalue { ptr, i32 } %108, 0
  store ptr %109, ptr %14, align 8
  %110 = extractvalue { ptr, i32 } %108, 1
  store i32 %110, ptr %15, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %20) #4
  br label %130

111:                                              ; preds = %102
  %112 = load ptr, ptr %4, align 8, !tbaa !5
  %113 = load i32, ptr %21, align 4, !tbaa !9
  %114 = sext i32 %113 to i64
  %115 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %112, i64 noundef %114) #4
  %116 = load i32, ptr %115, align 4, !tbaa !9
  %117 = load i32, ptr %21, align 4, !tbaa !9
  %118 = load i32, ptr %5, align 4, !tbaa !9
  %119 = sub nsw i32 %117, %118
  %120 = sext i32 %119 to i64
  %121 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %120) #4
  store i32 %116, ptr %121, align 4, !tbaa !9
  br label %122

122:                                              ; preds = %111
  %123 = load i32, ptr %21, align 4, !tbaa !9
  %124 = add nsw i32 %123, 1
  store i32 %124, ptr %21, align 4, !tbaa !9
  br label %102, !llvm.loop !13

125:                                              ; preds = %106
  store i1 true, ptr %19, align 1
  store i32 1, ptr %18, align 4
  %126 = load i1, ptr %19, align 1
  br i1 %126, label %128, label %127

127:                                              ; preds = %125
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  br label %128

128:                                              ; preds = %127, %125
  br label %129

129:                                              ; preds = %128, %92
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %9) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  ret void

130:                                              ; preds = %107, %93, %87
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %9) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %131

131:                                              ; preds = %130
  %132 = load ptr, ptr %14, align 8
  %133 = load i32, ptr %15, align 4
  %134 = insertvalue { ptr, i32 } poison, ptr %132, 0
  %135 = insertvalue { ptr, i32 } %134, i32 %133, 1
  resume { ptr, i32 } %135
}

; 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 @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #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 zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKiiELb0EEES6_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE4findERS5_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) #2 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; 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

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"struct.std::__detail::_Node_iterator" = type { %"struct.std::__detail::_Node_iterator_base" }
%"struct.std::__detail::_Node_iterator_base" = type { ptr }
%"class.std::allocator" = type { i8 }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z6lszeroRSt6vectorIiSaIiEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::unordered_map", align 8
  %4 = alloca i32, align 4
  %5 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %6 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %3) #4
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  store i32 0, ptr %4, align 4, !tbaa !5
  %9 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  %10 = trunc i64 %9 to i32
  %11 = icmp sgt i32 %10, 0
  br i1 %11, label %.lr.ph.preheader, label %._crit_edge.thread

.lr.ph.preheader:                                 ; preds = %2
  %wide.trip.count = and i64 %9, 2147483647
  br label %.lr.ph

._crit_edge:                                      ; preds = %42
  %12 = icmp eq i32 %.131, -1
  br i1 %12, label %._crit_edge.thread, label %._crit_edge.thread71

.lr.ph:                                           ; preds = %.lr.ph.backedge, %.lr.ph.preheader
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.be, %.lr.ph.backedge ]
  %.03047 = phi i32 [ -1, %.lr.ph.preheader ], [ %.03047.be, %.lr.ph.backedge ]
  %.03246 = phi i32 [ 0, %.lr.ph.preheader ], [ %.03246.be, %.lr.ph.backedge ]
  %.03445 = phi i32 [ -1, %.lr.ph.preheader ], [ %.03445.be, %.lr.ph.backedge ]
  %13 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv) #4
  %14 = load i32, ptr %13, align 4, !tbaa !5
  %15 = load i32, ptr %4, align 4, !tbaa !5
  %16 = add nsw i32 %15, %14
  store i32 %16, ptr %4, align 4, !tbaa !5
  %17 = icmp eq i32 %16, 0
  %18 = trunc nuw nsw i64 %indvars.iv to i32
  br i1 %17, label %.thread, label %19

19:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %20 = invoke ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE4findERS5_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %21 unwind label %35

21:                                               ; preds = %19
  store ptr %20, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %22 = call ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %3) #4
  store ptr %22, ptr %6, align 8
  %23 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKiiELb0EEES6_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #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
  br i1 %23, label %24, label %39

24:                                               ; preds = %21
  %25 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %26 unwind label %37

26:                                               ; preds = %24
  %27 = load i32, ptr %25, align 4, !tbaa !5
  %28 = sub nsw i32 %18, %27
  %29 = icmp sgt i32 %28, %.03246
  br i1 %29, label %30, label %42

30:                                               ; preds = %26
  %31 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %32 unwind label %37

32:                                               ; preds = %30
  %33 = load i32, ptr %31, align 4, !tbaa !5
  %34 = add nsw i32 %33, 1
  br label %42

35:                                               ; preds = %19
  %36 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  br label %58

37:                                               ; preds = %39, %30, %24
  %38 = landingpad { ptr, i32 }
          cleanup
  br label %58

39:                                               ; preds = %21
  %40 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %41 unwind label %37

41:                                               ; preds = %39
  store i32 %18, ptr %40, align 4, !tbaa !5
  br label %42

42:                                               ; preds = %26, %32, %41
  %.135 = phi i32 [ %18, %32 ], [ %.03445, %26 ], [ %.03445, %41 ]
  %.133 = phi i32 [ %28, %32 ], [ %.03246, %26 ], [ %.03246, %41 ]
  %.131 = phi i32 [ %34, %32 ], [ %.03047, %26 ], [ %.03047, %41 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph.backedge

.lr.ph.backedge:                                  ; preds = %42, %.thread
  %indvars.iv.be = phi i64 [ %indvars.iv.next, %42 ], [ %indvars.iv.next66, %.thread ]
  %.03047.be = phi i32 [ %.131, %42 ], [ 0, %.thread ]
  %.03246.be = phi i32 [ %.133, %42 ], [ %44, %.thread ]
  %.03445.be = phi i32 [ %.135, %42 ], [ %18, %.thread ]
  br label %.lr.ph, !llvm.loop !9

.thread:                                          ; preds = %.lr.ph
  %43 = trunc i64 %indvars.iv to i32
  %44 = add i32 %43, 1
  %indvars.iv.next66 = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not67 = icmp eq i64 %indvars.iv.next66, %wide.trip.count
  br i1 %exitcond.not67, label %._crit_edge.thread71, label %.lr.ph.backedge

._crit_edge.thread:                               ; preds = %2, %._crit_edge
  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) %0, i64 noundef 0, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %45 unwind label %46

45:                                               ; preds = %._crit_edge.thread
  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
  br label %.loopexit

46:                                               ; preds = %._crit_edge.thread
  %47 = 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
  br label %58

._crit_edge.thread71:                             ; preds = %.thread, %._crit_edge
  %.in = phi i32 [ %.133, %._crit_edge ], [ %44, %.thread ]
  %.1356876 = phi i32 [ %.135, %._crit_edge ], [ %18, %.thread ]
  %.1317075 = phi i32 [ %.131, %._crit_edge ], [ 0, %.thread ]
  %48 = sext i32 %.in to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %8) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %48, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %49 unwind label %52

49:                                               ; preds = %._crit_edge.thread71
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #4
  %.not51 = icmp sgt i32 %.1317075, %.1356876
  br i1 %.not51, label %.loopexit, label %.lr.ph54.preheader

.lr.ph54.preheader:                               ; preds = %49
  %50 = sext i32 %.1317075 to i64
  %51 = add i32 %.1356876, 1
  br label %.lr.ph54

52:                                               ; preds = %._crit_edge.thread71
  %53 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #4
  br label %58

.lr.ph54:                                         ; preds = %.lr.ph54.preheader, %.lr.ph54
  %indvars.iv56 = phi i64 [ %50, %.lr.ph54.preheader ], [ %indvars.iv.next57, %.lr.ph54 ]
  %54 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv56) #4
  %55 = load i32, ptr %54, align 4, !tbaa !5
  %56 = sub nsw i64 %indvars.iv56, %50
  %57 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %56) #4
  store i32 %55, ptr %57, align 4, !tbaa !5
  %indvars.iv.next57 = add nsw i64 %indvars.iv56, 1
  %lftr.wideiv = trunc i64 %indvars.iv.next57 to i32
  %exitcond59.not = icmp eq i32 %51, %lftr.wideiv
  br i1 %exitcond59.not, label %.loopexit, label %.lr.ph54, !llvm.loop !11

.loopexit:                                        ; preds = %.lr.ph54, %49, %45
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %3) #4
  ret void

58:                                               ; preds = %35, %37, %52, %46
  %.pn.pn = phi { ptr, i32 } [ %47, %46 ], [ %53, %52 ], [ %38, %37 ], [ %36, %35 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %3) #4
  resume { ptr, i32 } %.pn.pn
}

; 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 @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) 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 zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKiiELb0EEES6_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE4findERS5_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #2 align 2

; 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 uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixERS5_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; 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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3 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: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass