; LLVM IR from ravireddy07/cpp-book :: src/Code-Chef/MAR2021-Long/CCNF.ll (Z3dfsii)

; 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.__gnu_cxx::__normal_iterator" = type { ptr }

@siz = external dso_local global [150 x i32], align 16
@siz0 = external dso_local global [150 x i32], align 16
@tms = external dso_local global i32, align 4
@tag = external dso_local global [150 x i32], align 16
@tag0 = external dso_local global [150 x i32], align 16
@cl = external dso_local global [150 x %"class.std::vector"], align 16
@id = external dso_local global [150 x %"class.std::vector"], align 16
@tr = external dso_local global [150 x %"class.std::vector"], align 16

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 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)) #2

; 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)) #1 align 2

; 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 noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3dfsii(i32 noundef %0, i32 noundef %1) #3 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %16 = load i32, ptr %3, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds [150 x %"class.std::vector"], ptr @tr, i64 0, i64 %17
  store ptr %18, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %19 = load ptr, ptr %5, align 8, !tbaa !9
  %20 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %19) #4
  %21 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %6, i32 0, i32 0
  store ptr %20, ptr %21, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %22 = load ptr, ptr %5, align 8, !tbaa !9
  %23 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %22) #4
  %24 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %23, ptr %24, align 8
  br label %25

25:                                               ; preds = %41, %2
  %26 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br i1 %26, label %28, label %27

27:                                               ; preds = %25
  store i32 2, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %43

28:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  %29 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  %30 = load i32, ptr %29, align 4, !tbaa !5
  store i32 %30, ptr %9, align 4, !tbaa !5
  %31 = load i32, ptr %9, align 4, !tbaa !5
  %32 = load i32, ptr %4, align 4, !tbaa !5
  %33 = icmp eq i32 %31, %32
  br i1 %33, label %34, label %35

34:                                               ; preds = %28
  store i32 3, ptr %8, align 4
  br label %38

35:                                               ; preds = %28
  %36 = load i32, ptr %9, align 4, !tbaa !5
  %37 = load i32, ptr %3, align 4, !tbaa !5
  call void @_Z3dfsii(i32 noundef %36, i32 noundef %37)
  store i32 0, ptr %8, align 4
  br label %38

38:                                               ; preds = %35, %34
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  %39 = load i32, ptr %8, align 4
  switch i32 %39, label %166 [
    i32 0, label %40
    i32 3, label %41
  ]

40:                                               ; preds = %38
  br label %41

41:                                               ; preds = %40, %38
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  br label %25

43:                                               ; preds = %27
  %44 = load i32, ptr @tms, align 4, !tbaa !5
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr @tms, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  store i32 0, ptr %10, align 4, !tbaa !5
  br label %46

46:                                               ; preds = %75, %43
  %47 = load i32, ptr %10, align 4, !tbaa !5
  %48 = load i32, ptr %3, align 4, !tbaa !5
  %49 = sext i32 %48 to i64
  %50 = getelementptr inbounds [150 x i32], ptr @siz, i64 0, i64 %49
  %51 = load i32, ptr %50, align 4, !tbaa !5
  %52 = icmp slt i32 %47, %51
  br i1 %52, label %54, label %53

53:                                               ; preds = %46
  store i32 4, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  br label %78

54:                                               ; preds = %46
  %55 = load i32, ptr @tms, align 4, !tbaa !5
  %56 = load i32, ptr %3, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds [150 x %"class.std::vector"], ptr @cl, i64 0, i64 %57
  %59 = load i32, ptr %10, align 4, !tbaa !5
  %60 = sext i32 %59 to i64
  %61 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %58, i64 noundef %60) #4
  %62 = load i32, ptr %61, align 4, !tbaa !5
  %63 = sext i32 %62 to i64
  %64 = getelementptr inbounds [150 x i32], ptr @tag, i64 0, i64 %63
  store i32 %55, ptr %64, align 4, !tbaa !5
  %65 = load i32, ptr %10, align 4, !tbaa !5
  %66 = load i32, ptr %3, align 4, !tbaa !5
  %67 = sext i32 %66 to i64
  %68 = getelementptr inbounds [150 x %"class.std::vector"], ptr @cl, i64 0, i64 %67
  %69 = load i32, ptr %10, align 4, !tbaa !5
  %70 = sext i32 %69 to i64
  %71 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %68, i64 noundef %70) #4
  %72 = load i32, ptr %71, align 4, !tbaa !5
  %73 = sext i32 %72 to i64
  %74 = getelementptr inbounds [150 x i32], ptr @tag0, i64 0, i64 %73
  store i32 %65, ptr %74, align 4, !tbaa !5
  br label %75

75:                                               ; preds = %54
  %76 = load i32, ptr %10, align 4, !tbaa !5
  %77 = add nsw i32 %76, 1
  store i32 %77, ptr %10, align 4, !tbaa !5
  br label %46, !llvm.loop !11

78:                                               ; preds = %53
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  %79 = load i32, ptr %3, align 4, !tbaa !5
  %80 = sext i32 %79 to i64
  %81 = getelementptr inbounds [150 x %"class.std::vector"], ptr @tr, i64 0, i64 %80
  store ptr %81, ptr %11, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #4
  %82 = load ptr, ptr %11, align 8, !tbaa !9
  %83 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %82) #4
  %84 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %83, ptr %84, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  %85 = load ptr, ptr %11, align 8, !tbaa !9
  %86 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %85) #4
  %87 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %86, ptr %87, align 8
  br label %88

88:                                               ; preds = %163, %78
  %89 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #4
  br i1 %89, label %91, label %90

90:                                               ; preds = %88
  store i32 7, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  br label %165

91:                                               ; preds = %88
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  %92 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #4
  %93 = load i32, ptr %92, align 4, !tbaa !5
  store i32 %93, ptr %14, align 4, !tbaa !5
  %94 = load i32, ptr %14, align 4, !tbaa !5
  %95 = load i32, ptr %4, align 4, !tbaa !5
  %96 = icmp eq i32 %94, %95
  br i1 %96, label %97, label %98

97:                                               ; preds = %91
  store i32 8, ptr %8, align 4
  br label %160

98:                                               ; preds = %91
  %99 = load i32, ptr %14, align 4, !tbaa !5
  %100 = sext i32 %99 to i64
  %101 = getelementptr inbounds [150 x %"class.std::vector"], ptr @id, i64 0, i64 %100
  %102 = load i32, ptr %14, align 4, !tbaa !5
  %103 = sext i32 %102 to i64
  %104 = getelementptr inbounds [150 x i32], ptr @siz, i64 0, i64 %103
  %105 = load i32, ptr %104, align 4, !tbaa !5
  %106 = sext i32 %105 to i64
  call void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %101, i64 noundef %106)
  %107 = load i32, ptr %14, align 4, !tbaa !5
  %108 = sext i32 %107 to i64
  %109 = getelementptr inbounds [150 x i32], ptr @siz0, i64 0, i64 %108
  store i32 0, ptr %109, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #4
  store i32 0, ptr %15, align 4, !tbaa !5
  br label %110

110:                                              ; preds = %156, %98
  %111 = load i32, ptr %15, align 4, !tbaa !5
  %112 = load i32, ptr %14, align 4, !tbaa !5
  %113 = sext i32 %112 to i64
  %114 = getelementptr inbounds [150 x i32], ptr @siz, i64 0, i64 %113
  %115 = load i32, ptr %114, align 4, !tbaa !5
  %116 = icmp slt i32 %111, %115
  br i1 %116, label %118, label %117

117:                                              ; preds = %110
  store i32 9, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #4
  br label %159

118:                                              ; preds = %110
  %119 = load i32, ptr %14, align 4, !tbaa !5
  %120 = sext i32 %119 to i64
  %121 = getelementptr inbounds [150 x %"class.std::vector"], ptr @cl, i64 0, i64 %120
  %122 = load i32, ptr %15, align 4, !tbaa !5
  %123 = sext i32 %122 to i64
  %124 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %121, i64 noundef %123) #4
  %125 = load i32, ptr %124, align 4, !tbaa !5
  %126 = sext i32 %125 to i64
  %127 = getelementptr inbounds [150 x i32], ptr @tag, i64 0, i64 %126
  %128 = load i32, ptr %127, align 4, !tbaa !5
  %129 = load i32, ptr @tms, align 4, !tbaa !5
  %130 = icmp eq i32 %128, %129
  br i1 %130, label %131, label %142

131:                                              ; preds = %118
  %132 = load i32, ptr %14, align 4, !tbaa !5
  %133 = sext i32 %132 to i64
  %134 = getelementptr inbounds [150 x %"class.std::vector"], ptr @cl, i64 0, i64 %133
  %135 = load i32, ptr %15, align 4, !tbaa !5
  %136 = sext i32 %135 to i64
  %137 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %134, i64 noundef %136) #4
  %138 = load i32, ptr %137, align 4, !tbaa !5
  %139 = sext i32 %138 to i64
  %140 = getelementptr inbounds [150 x i32], ptr @tag0, i64 0, i64 %139
  %141 = load i32, ptr %140, align 4, !tbaa !5
  br label %148

142:                                              ; preds = %118
  %143 = load i32, ptr %14, align 4, !tbaa !5
  %144 = sext i32 %143 to i64
  %145 = getelementptr inbounds [150 x i32], ptr @siz0, i64 0, i64 %144
  %146 = load i32, ptr %145, align 4, !tbaa !5
  %147 = add nsw i32 %146, -1
  store i32 %147, ptr %145, align 4, !tbaa !5
  br label %148

148:                                              ; preds = %142, %131
  %149 = phi i32 [ %141, %131 ], [ %147, %142 ]
  %150 = load i32, ptr %14, align 4, !tbaa !5
  %151 = sext i32 %150 to i64
  %152 = getelementptr inbounds [150 x %"class.std::vector"], ptr @id, i64 0, i64 %151
  %153 = load i32, ptr %15, align 4, !tbaa !5
  %154 = sext i32 %153 to i64
  %155 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %152, i64 noundef %154) #4
  store i32 %149, ptr %155, align 4, !tbaa !5
  br label %156

156:                                              ; preds = %148
  %157 = load i32, ptr %15, align 4, !tbaa !5
  %158 = add nsw i32 %157, 1
  store i32 %158, ptr %15, align 4, !tbaa !5
  br label %110, !llvm.loop !13

159:                                              ; preds = %117
  store i32 0, ptr %8, align 4
  br label %160

160:                                              ; preds = %159, %97
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  %161 = load i32, ptr %8, align 4
  switch i32 %161, label %166 [
    i32 0, label %162
    i32 8, label %163
  ]

162:                                              ; preds = %160
  br label %163

163:                                              ; preds = %162, %160
  %164 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #4
  br label %88

165:                                              ; preds = %90
  ret void

166:                                              ; preds = %160, %38
  unreachable
}

; 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) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 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 = { 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 #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 = { 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 = 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.__gnu_cxx::__normal_iterator" = type { ptr }

@siz = external dso_local local_unnamed_addr global [150 x i32], align 16
@siz0 = external dso_local local_unnamed_addr global [150 x i32], align 16
@tms = external dso_local local_unnamed_addr global i32, align 4
@tag = external dso_local local_unnamed_addr global [150 x i32], align 16
@tag0 = external dso_local local_unnamed_addr global [150 x i32], align 16
@cl = external dso_local global [150 x %"class.std::vector"], align 16
@id = external dso_local global [150 x %"class.std::vector"], align 16
@tr = external dso_local global [150 x %"class.std::vector"], align 16

; 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 nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

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

; 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 #1 align 2

; 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 noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z3dfsii(i32 noundef %0, i32 noundef %1) local_unnamed_addr #3 {
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = sext i32 %0 to i64
  %8 = getelementptr inbounds [150 x %"class.std::vector"], ptr @tr, i64 0, i64 %7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %9 = tail call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #4
  store ptr %9, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %10 = tail call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #4
  store ptr %10, ptr %4, align 8
  %11 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %11, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %22, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  %12 = load i32, ptr @tms, align 4, !tbaa !5
  %13 = add nsw i32 %12, 1
  store i32 %13, ptr @tms, align 4, !tbaa !5
  %14 = getelementptr inbounds [150 x i32], ptr @siz, i64 0, i64 %7
  %15 = load i32, ptr %14, align 4, !tbaa !5
  %16 = icmp sgt i32 %15, 0
  br i1 %16, label %.lr.ph37, label %._crit_edge38

.lr.ph37:                                         ; preds = %._crit_edge
  %17 = getelementptr inbounds [150 x %"class.std::vector"], ptr @cl, i64 0, i64 %7
  br label %28

.lr.ph:                                           ; preds = %2, %22
  %18 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %19 = load i32, ptr %18, align 4, !tbaa !5
  %20 = icmp eq i32 %19, %1
  br i1 %20, label %22, label %21

21:                                               ; preds = %.lr.ph
  call void @_Z3dfsii(i32 noundef %19, i32 noundef %0)
  br label %22

22:                                               ; preds = %.lr.ph, %21
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %24 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %24, label %.lr.ph, label %._crit_edge

._crit_edge38:                                    ; preds = %28, %._crit_edge
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %25 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #4
  store ptr %25, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %26 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #4
  store ptr %26, ptr %6, align 8
  %27 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  br i1 %27, label %.lr.ph43, label %._crit_edge44

28:                                               ; preds = %.lr.ph37, %28
  %indvars.iv = phi i64 [ 0, %.lr.ph37 ], [ %indvars.iv.next, %28 ]
  %29 = load i32, ptr @tms, align 4, !tbaa !5
  %30 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %indvars.iv) #4
  %31 = load i32, ptr %30, align 4, !tbaa !5
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [150 x i32], ptr @tag, i64 0, i64 %32
  store i32 %29, ptr %33, align 4, !tbaa !5
  %34 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef %indvars.iv) #4
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds [150 x i32], ptr @tag0, i64 0, i64 %36
  %38 = trunc nuw nsw i64 %indvars.iv to i32
  store i32 %38, ptr %37, align 4, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %39 = load i32, ptr %14, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = icmp slt i64 %indvars.iv.next, %40
  br i1 %41, label %28, label %._crit_edge38, !llvm.loop !9

._crit_edge44:                                    ; preds = %.loopexit, %._crit_edge38
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  ret void

.lr.ph43:                                         ; preds = %._crit_edge38, %.loopexit
  %42 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %44 = icmp eq i32 %43, %1
  br i1 %44, label %.loopexit, label %45

45:                                               ; preds = %.lr.ph43
  %46 = sext i32 %43 to i64
  %47 = getelementptr inbounds [150 x %"class.std::vector"], ptr @id, i64 0, i64 %46
  %48 = getelementptr inbounds [150 x i32], ptr @siz, i64 0, i64 %46
  %49 = load i32, ptr %48, align 4, !tbaa !5
  %50 = sext i32 %49 to i64
  call void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %47, i64 noundef %50)
  %51 = getelementptr inbounds [150 x i32], ptr @siz0, i64 0, i64 %46
  store i32 0, ptr %51, align 4, !tbaa !5
  %52 = load i32, ptr %48, align 4, !tbaa !5
  %53 = icmp sgt i32 %52, 0
  br i1 %53, label %.lr.ph41, label %.loopexit

.lr.ph41:                                         ; preds = %45
  %54 = getelementptr inbounds [150 x %"class.std::vector"], ptr @cl, i64 0, i64 %46
  br label %55

55:                                               ; preds = %.lr.ph41, %72
  %indvars.iv46 = phi i64 [ 0, %.lr.ph41 ], [ %indvars.iv.next47, %72 ]
  %56 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %54, i64 noundef %indvars.iv46) #4
  %57 = load i32, ptr %56, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds [150 x i32], ptr @tag, i64 0, i64 %58
  %60 = load i32, ptr %59, align 4, !tbaa !5
  %61 = load i32, ptr @tms, align 4, !tbaa !5
  %62 = icmp eq i32 %60, %61
  br i1 %62, label %63, label %69

63:                                               ; preds = %55
  %64 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %54, i64 noundef %indvars.iv46) #4
  %65 = load i32, ptr %64, align 4, !tbaa !5
  %66 = sext i32 %65 to i64
  %67 = getelementptr inbounds [150 x i32], ptr @tag0, i64 0, i64 %66
  %68 = load i32, ptr %67, align 4, !tbaa !5
  br label %72

69:                                               ; preds = %55
  %70 = load i32, ptr %51, align 4, !tbaa !5
  %71 = add nsw i32 %70, -1
  store i32 %71, ptr %51, align 4, !tbaa !5
  br label %72

72:                                               ; preds = %69, %63
  %73 = phi i32 [ %68, %63 ], [ %71, %69 ]
  %74 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %47, i64 noundef %indvars.iv46) #4
  store i32 %73, ptr %74, align 4, !tbaa !5
  %indvars.iv.next47 = add nuw nsw i64 %indvars.iv46, 1
  %75 = load i32, ptr %48, align 4, !tbaa !5
  %76 = sext i32 %75 to i64
  %77 = icmp slt i64 %indvars.iv.next47, %76
  br i1 %77, label %55, label %.loopexit, !llvm.loop !11

.loopexit:                                        ; preds = %72, %45, %.lr.ph43
  %78 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #4
  %79 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  br i1 %79, label %.lr.ph43, label %._crit_edge44
}

; 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 #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 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 = { 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 #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 = { 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,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass