; LLVM IR from Mohammed-Shoaib/Coding-Problems :: Codeforces/Solutions/1328D.ll (Z8carouseliRSt6vectorIiSaIiEE)

; 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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"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 }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8carouseliRSt6vectorIiSaIiEE(i32 noundef %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::allocator", align 1
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 1, ptr %5, align 4, !tbaa !5
  store i32 -1, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #5
  %16 = load i32, ptr %3, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  store i32 1, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %17, ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %18 unwind label %24

18:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #5
  store i32 1, ptr %12, align 4, !tbaa !5
  br label %19

19:                                               ; preds = %45, %18
  %20 = load i32, ptr %12, align 4, !tbaa !5
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %22 = icmp slt i32 %20, %21
  br i1 %22, label %28, label %23

23:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  br label %48

24:                                               ; preds = %2
  %25 = landingpad { ptr, i32 }
          cleanup
  %26 = extractvalue { ptr, i32 } %25, 0
  store ptr %26, ptr %10, align 8
  %27 = extractvalue { ptr, i32 } %25, 1
  store i32 %27, ptr %11, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  br label %159

28:                                               ; preds = %19
  %29 = load ptr, ptr %4, align 8, !tbaa !9
  %30 = load i32, ptr %12, align 4, !tbaa !5
  %31 = sext i32 %30 to i64
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %29, i64 noundef %31) #5
  %33 = load i32, ptr %32, align 4, !tbaa !5
  %34 = load ptr, ptr %4, align 8, !tbaa !9
  %35 = load i32, ptr %12, align 4, !tbaa !5
  %36 = sub nsw i32 %35, 1
  %37 = sext i32 %36 to i64
  %38 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %34, i64 noundef %37) #5
  %39 = load i32, ptr %38, align 4, !tbaa !5
  %40 = icmp ne i32 %33, %39
  br i1 %40, label %41, label %42

41:                                               ; preds = %28
  store i32 2, ptr %5, align 4, !tbaa !5
  br label %44

42:                                               ; preds = %28
  %43 = load i32, ptr %12, align 4, !tbaa !5
  store i32 %43, ptr %6, align 4, !tbaa !5
  br label %44

44:                                               ; preds = %42, %41
  br label %45

45:                                               ; preds = %44
  %46 = load i32, ptr %12, align 4, !tbaa !5
  %47 = add nsw i32 %46, 1
  store i32 %47, ptr %12, align 4, !tbaa !5
  br label %19, !llvm.loop !11

48:                                               ; preds = %23
  %49 = load i32, ptr %5, align 4, !tbaa !5
  %50 = icmp sgt i32 %49, 1
  br i1 %50, label %51, label %124

51:                                               ; preds = %48
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #5
  store i32 0, ptr %13, align 4, !tbaa !5
  br label %52

52:                                               ; preds = %65, %51
  %53 = load i32, ptr %13, align 4, !tbaa !5
  %54 = load i32, ptr %3, align 4, !tbaa !5
  %55 = icmp slt i32 %53, %54
  br i1 %55, label %57, label %56

56:                                               ; preds = %52
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  br label %68

57:                                               ; preds = %52
  %58 = load i32, ptr %13, align 4, !tbaa !5
  %59 = and i32 %58, 1
  %60 = load i32, ptr %13, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %61) #5
  %63 = load i32, ptr %62, align 4, !tbaa !5
  %64 = add nsw i32 %63, %59
  store i32 %64, ptr %62, align 4, !tbaa !5
  br label %65

65:                                               ; preds = %57
  %66 = load i32, ptr %13, align 4, !tbaa !5
  %67 = add nsw i32 %66, 1
  store i32 %67, ptr %13, align 4, !tbaa !5
  br label %52, !llvm.loop !13

68:                                               ; preds = %56
  %69 = load i32, ptr %3, align 4, !tbaa !5
  %70 = and i32 %69, 1
  %71 = icmp ne i32 %70, 0
  br i1 %71, label %72, label %123

72:                                               ; preds = %68
  %73 = load ptr, ptr %4, align 8, !tbaa !9
  %74 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %73, i64 noundef 0) #5
  %75 = load i32, ptr %74, align 4, !tbaa !5
  %76 = load ptr, ptr %4, align 8, !tbaa !9
  %77 = load i32, ptr %3, align 4, !tbaa !5
  %78 = sub nsw i32 %77, 1
  %79 = sext i32 %78 to i64
  %80 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %76, i64 noundef %79) #5
  %81 = load i32, ptr %80, align 4, !tbaa !5
  %82 = icmp ne i32 %75, %81
  br i1 %82, label %83, label %123

83:                                               ; preds = %72
  %84 = load i32, ptr %6, align 4, !tbaa !5
  %85 = icmp eq i32 %84, -1
  br i1 %85, label %86, label %91

86:                                               ; preds = %83
  %87 = load i32, ptr %3, align 4, !tbaa !5
  %88 = sub nsw i32 %87, 1
  %89 = sext i32 %88 to i64
  %90 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %89) #5
  store i32 3, ptr %90, align 4, !tbaa !5
  store i32 3, ptr %5, align 4, !tbaa !5
  br label %122

91:                                               ; preds = %83
  %92 = load i32, ptr %6, align 4, !tbaa !5
  %93 = sub nsw i32 %92, 1
  %94 = sext i32 %93 to i64
  %95 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %94) #5
  %96 = load i32, ptr %95, align 4, !tbaa !5
  %97 = load i32, ptr %6, align 4, !tbaa !5
  %98 = sext i32 %97 to i64
  %99 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %98) #5
  store i32 %96, ptr %99, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #5
  %100 = load i32, ptr %6, align 4, !tbaa !5
  %101 = add nsw i32 %100, 1
  store i32 %101, ptr %14, align 4, !tbaa !5
  br label %102

102:                                              ; preds = %118, %91
  %103 = load i32, ptr %14, align 4, !tbaa !5
  %104 = load i32, ptr %3, align 4, !tbaa !5
  %105 = icmp slt i32 %103, %104
  br i1 %105, label %107, label %106

106:                                              ; preds = %102
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  br label %121

107:                                              ; preds = %102
  %108 = load i32, ptr %14, align 4, !tbaa !5
  %109 = sub nsw i32 %108, 1
  %110 = sext i32 %109 to i64
  %111 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %110) #5
  %112 = load i32, ptr %111, align 4, !tbaa !5
  %113 = srem i32 %112, 2
  %114 = add nsw i32 1, %113
  %115 = load i32, ptr %14, align 4, !tbaa !5
  %116 = sext i32 %115 to i64
  %117 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %116) #5
  store i32 %114, ptr %117, align 4, !tbaa !5
  br label %118

118:                                              ; preds = %107
  %119 = load i32, ptr %14, align 4, !tbaa !5
  %120 = add nsw i32 %119, 1
  store i32 %120, ptr %14, align 4, !tbaa !5
  br label %102, !llvm.loop !14

121:                                              ; preds = %106
  br label %122

122:                                              ; preds = %121, %86
  br label %123

123:                                              ; preds = %122, %72, %68
  br label %124

124:                                              ; preds = %123, %48
  %125 = load i32, ptr %5, align 4, !tbaa !5
  %126 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %125)
          to label %127 unwind label %135

127:                                              ; preds = %124
  %128 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %126, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %129 unwind label %135

129:                                              ; preds = %127
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #5
  store i32 0, ptr %15, align 4, !tbaa !5
  br label %130

130:                                              ; preds = %148, %129
  %131 = load i32, ptr %15, align 4, !tbaa !5
  %132 = load i32, ptr %3, align 4, !tbaa !5
  %133 = icmp slt i32 %131, %132
  br i1 %133, label %139, label %134

134:                                              ; preds = %130
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #5
  br label %155

135:                                              ; preds = %155, %127, %124
  %136 = landingpad { ptr, i32 }
          cleanup
  %137 = extractvalue { ptr, i32 } %136, 0
  store ptr %137, ptr %10, align 8
  %138 = extractvalue { ptr, i32 } %136, 1
  store i32 %138, ptr %11, align 4
  br label %158

139:                                              ; preds = %130
  %140 = load i32, ptr %15, align 4, !tbaa !5
  %141 = sext i32 %140 to i64
  %142 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %141) #5
  %143 = load i32, ptr %142, align 4, !tbaa !5
  %144 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %143)
          to label %145 unwind label %151

145:                                              ; preds = %139
  %146 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %144, ptr noundef @.str)
          to label %147 unwind label %151

147:                                              ; preds = %145
  br label %148

148:                                              ; preds = %147
  %149 = load i32, ptr %15, align 4, !tbaa !5
  %150 = add nsw i32 %149, 1
  store i32 %150, ptr %15, align 4, !tbaa !5
  br label %130, !llvm.loop !15

151:                                              ; preds = %145, %139
  %152 = landingpad { ptr, i32 }
          cleanup
  %153 = extractvalue { ptr, i32 } %152, 0
  store ptr %153, ptr %10, align 8
  %154 = extractvalue { ptr, i32 } %152, 1
  store i32 %154, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #5
  br label %158

155:                                              ; preds = %134
  %156 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %157 unwind label %135

157:                                              ; preds = %155
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  ret void

158:                                              ; preds = %151, %135
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  br label %159

159:                                              ; preds = %158, %24
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %160

160:                                              ; preds = %159
  %161 = load ptr, ptr %10, align 8
  %162 = load i32, ptr %11, align 4
  %163 = insertvalue { ptr, i32 } poison, ptr %161, 0
  %164 = insertvalue { ptr, i32 } %163, i32 %162, 1
  resume { ptr, i32 } %164
}

; 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 @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), 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 noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #3

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4

; 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"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}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"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 }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8carouseliRSt6vectorIiSaIiEE(i32 noundef %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #5
  %6 = sext i32 %0 to i64
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  store i32 1, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %6, ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %7 unwind label %10

7:                                                ; preds = %2
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  %8 = icmp sgt i32 %0, 1
  br i1 %8, label %.lr.ph.preheader, label %.loopexit

.lr.ph.preheader:                                 ; preds = %7
  %wide.trip.count = zext nneg i32 %0 to i64
  br label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph
  %9 = icmp sgt i32 %.043., 1
  br i1 %9, label %.lr.ph56.preheader, label %.loopexit

.lr.ph56.preheader:                               ; preds = %._crit_edge
  %wide.trip.count70 = zext nneg i32 %0 to i64
  br label %.lr.ph56

10:                                               ; preds = %2
  %11 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  br label %68

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %indvars.iv = phi i64 [ 1, %.lr.ph.preheader ], [ %indvars.iv.next, %.lr.ph ]
  %.04152 = phi i32 [ -1, %.lr.ph.preheader ], [ %.037..041, %.lr.ph ]
  %.04351 = phi i32 [ 1, %.lr.ph.preheader ], [ %.043., %.lr.ph ]
  %12 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv) #5
  %13 = load i32, ptr %12, align 4, !tbaa !5
  %14 = add nsw i64 %indvars.iv, -1
  %15 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %14) #5
  %16 = load i32, ptr %15, align 4, !tbaa !5
  %.not49 = icmp eq i32 %13, %16
  %.043. = select i1 %.not49, i32 %.04351, i32 2
  %17 = trunc nuw nsw i64 %indvars.iv to i32
  %.037..041 = select i1 %.not49, i32 %17, i32 %.04152
  %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, !llvm.loop !9

._crit_edge57:                                    ; preds = %.lr.ph56
  %18 = and i32 %0, 1
  %.not = icmp eq i32 %18, 0
  br i1 %.not, label %.loopexit, label %24

.lr.ph56:                                         ; preds = %.lr.ph56.preheader, %.lr.ph56
  %indvars.iv67 = phi i64 [ 0, %.lr.ph56.preheader ], [ %indvars.iv.next68, %.lr.ph56 ]
  %19 = trunc nuw nsw i64 %indvars.iv67 to i32
  %20 = and i32 %19, 1
  %21 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv67) #5
  %22 = load i32, ptr %21, align 4, !tbaa !5
  %23 = add nsw i32 %22, %20
  store i32 %23, ptr %21, align 4, !tbaa !5
  %indvars.iv.next68 = add nuw nsw i64 %indvars.iv67, 1
  %exitcond71.not = icmp eq i64 %indvars.iv.next68, %wide.trip.count70
  br i1 %exitcond71.not, label %._crit_edge57, label %.lr.ph56, !llvm.loop !11

24:                                               ; preds = %._crit_edge57
  %25 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #5
  %26 = load i32, ptr %25, align 4, !tbaa !5
  %27 = add nsw i32 %0, -1
  %28 = zext nneg i32 %27 to i64
  %29 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %28) #5
  %30 = load i32, ptr %29, align 4, !tbaa !5
  %.not46 = icmp eq i32 %26, %30
  br i1 %.not46, label %.loopexit, label %31

31:                                               ; preds = %24
  %32 = icmp eq i32 %.037..041, -1
  br i1 %32, label %33, label %35

33:                                               ; preds = %31
  %34 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %28) #5
  store i32 3, ptr %34, align 4, !tbaa !5
  br label %.loopexit

35:                                               ; preds = %31
  %36 = add nsw i32 %.037..041, -1
  %37 = sext i32 %36 to i64
  %38 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %37) #5
  %39 = load i32, ptr %38, align 4, !tbaa !5
  %40 = sext i32 %.037..041 to i64
  %41 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %40) #5
  store i32 %39, ptr %41, align 4, !tbaa !5
  %.03558 = add nuw nsw i32 %.037..041, 1
  %42 = icmp slt i32 %.03558, %0
  br i1 %42, label %.lr.ph62.preheader, label %.loopexit

.lr.ph62.preheader:                               ; preds = %35
  %43 = sext i32 %.03558 to i64
  br label %.lr.ph62

.lr.ph62:                                         ; preds = %.lr.ph62.preheader, %.lr.ph62
  %indvars.iv72 = phi i64 [ %43, %.lr.ph62.preheader ], [ %indvars.iv.next73, %.lr.ph62 ]
  %.035.in59 = phi i32 [ %.037..041, %.lr.ph62.preheader ], [ %50, %.lr.ph62 ]
  %44 = sext i32 %.035.in59 to i64
  %45 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %44) #5
  %46 = load i32, ptr %45, align 4, !tbaa !5
  %47 = srem i32 %46, 2
  %48 = add nsw i32 %47, 1
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv72) #5
  store i32 %48, ptr %49, align 4, !tbaa !5
  %indvars.iv.next73 = add nsw i64 %indvars.iv72, 1
  %50 = trunc nsw i64 %indvars.iv72 to i32
  %lftr.wideiv = trunc i64 %indvars.iv.next73 to i32
  %exitcond75.not = icmp eq i32 %lftr.wideiv, %0
  br i1 %exitcond75.not, label %.loopexit, label %.lr.ph62, !llvm.loop !12

.loopexit:                                        ; preds = %.lr.ph62, %7, %35, %._crit_edge57, %24, %33, %._crit_edge
  %.2 = phi i32 [ 3, %33 ], [ 2, %24 ], [ 2, %._crit_edge57 ], [ 1, %._crit_edge ], [ 2, %35 ], [ 1, %7 ], [ 2, %.lr.ph62 ]
  %51 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.2)
          to label %52 unwind label %56

52:                                               ; preds = %.loopexit
  %53 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %51, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.preheader unwind label %56

.preheader:                                       ; preds = %52
  %54 = icmp sgt i32 %0, 0
  br i1 %54, label %.lr.ph64.preheader, label %._crit_edge65

.lr.ph64.preheader:                               ; preds = %.preheader
  %wide.trip.count79 = zext nneg i32 %0 to i64
  br label %.lr.ph64

._crit_edge65:                                    ; preds = %63, %.preheader
  %55 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %66 unwind label %56

56:                                               ; preds = %._crit_edge65, %52, %.loopexit
  %57 = landingpad { ptr, i32 }
          cleanup
  br label %67

.lr.ph64:                                         ; preds = %.lr.ph64.preheader, %63
  %indvars.iv76 = phi i64 [ 0, %.lr.ph64.preheader ], [ %indvars.iv.next77, %63 ]
  %58 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv76) #5
  %59 = load i32, ptr %58, align 4, !tbaa !5
  %60 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %59)
          to label %61 unwind label %64

61:                                               ; preds = %.lr.ph64
  %62 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %60, ptr noundef nonnull @.str)
          to label %63 unwind label %64

63:                                               ; preds = %61
  %indvars.iv.next77 = add nuw nsw i64 %indvars.iv76, 1
  %exitcond80.not = icmp eq i64 %indvars.iv.next77, %wide.trip.count79
  br i1 %exitcond80.not, label %._crit_edge65, label %.lr.ph64, !llvm.loop !13

64:                                               ; preds = %61, %.lr.ph64
  %65 = landingpad { ptr, i32 }
          cleanup
  br label %67

66:                                               ; preds = %._crit_edge65
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  ret void

67:                                               ; preds = %64, %56
  %.pn = phi { ptr, i32 } [ %65, %64 ], [ %57, %56 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  br label %68

68:                                               ; preds = %67, %10
  %.pn.pn = phi { ptr, i32 } [ %.pn, %67 ], [ %11, %10 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  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 @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), 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 noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #3

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4

; 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 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"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}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}


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