; LLVM IR from Tudor67/Competitive-Programming :: GoogleKickStart/2020/RoundA/C_Workout_sol3.ll (Z5solveRKiRSiRSo)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.__gnu_cxx::__normal_iterator.0" = type { ptr }

@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z16minAddedSessionsRKSt6vectorIiSaIiEERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #0

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

; 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
define dso_local void @_Z5solveRKiRSiRSo(ptr noundef nonnull align 4 dereferenceable(4) %0, ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca %"class.std::allocator", align 1
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca %"class.std::vector", align 8
  %15 = alloca %"class.std::allocator", align 1
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %20 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %21 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %22 = alloca i32, align 4
  %23 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #5
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  %25 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %24, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %25, ptr noundef nonnull align 4 dereferenceable(4) %8)
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #5
  %27 = load i32, ptr %7, align 4, !tbaa !9
  %28 = sext i32 %27 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %28, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %29 unwind label %35

29:                                               ; preds = %3
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #5
  store i32 0, ptr %13, align 4, !tbaa !9
  br label %30

30:                                               ; preds = %46, %29
  %31 = load i32, ptr %13, align 4, !tbaa !9
  %32 = load i32, ptr %7, align 4, !tbaa !9
  %33 = icmp slt i32 %31, %32
  br i1 %33, label %39, label %34

34:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  br label %53

35:                                               ; preds = %3
  %36 = landingpad { ptr, i32 }
          cleanup
  %37 = extractvalue { ptr, i32 } %36, 0
  store ptr %37, ptr %11, align 8
  %38 = extractvalue { ptr, i32 } %36, 1
  store i32 %38, ptr %12, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #5
  br label %144

39:                                               ; preds = %30
  %40 = load ptr, ptr %5, align 8, !tbaa !5
  %41 = load i32, ptr %13, align 4, !tbaa !9
  %42 = sext i32 %41 to i64
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %42) #5
  %44 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %40, ptr noundef nonnull align 4 dereferenceable(4) %43)
          to label %45 unwind label %49

45:                                               ; preds = %39
  br label %46

46:                                               ; preds = %45
  %47 = load i32, ptr %13, align 4, !tbaa !9
  %48 = add nsw i32 %47, 1
  store i32 %48, ptr %13, align 4, !tbaa !9
  br label %30, !llvm.loop !11

49:                                               ; preds = %39
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %11, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  br label %143

53:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 24, ptr %14) #5
  %54 = load i32, ptr %7, align 4, !tbaa !9
  %55 = sub nsw i32 %54, 1
  %56 = sext i32 %55 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #5
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %56, ptr noundef nonnull align 1 dereferenceable(1) %15)
          to label %57 unwind label %64

57:                                               ; preds = %53
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #5
  store i32 0, ptr %16, align 4, !tbaa !9
  br label %58

58:                                               ; preds = %82, %57
  %59 = load i32, ptr %16, align 4, !tbaa !9
  %60 = load i32, ptr %7, align 4, !tbaa !9
  %61 = sub nsw i32 %60, 1
  %62 = icmp slt i32 %59, %61
  br i1 %62, label %68, label %63

63:                                               ; preds = %58
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #5
  br label %85

64:                                               ; preds = %53
  %65 = landingpad { ptr, i32 }
          cleanup
  %66 = extractvalue { ptr, i32 } %65, 0
  store ptr %66, ptr %11, align 8
  %67 = extractvalue { ptr, i32 } %65, 1
  store i32 %67, ptr %12, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #5
  br label %142

68:                                               ; preds = %58
  %69 = load i32, ptr %16, align 4, !tbaa !9
  %70 = add nsw i32 %69, 1
  %71 = sext i32 %70 to i64
  %72 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %71) #5
  %73 = load i32, ptr %72, align 4, !tbaa !9
  %74 = load i32, ptr %16, align 4, !tbaa !9
  %75 = sext i32 %74 to i64
  %76 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %75) #5
  %77 = load i32, ptr %76, align 4, !tbaa !9
  %78 = sub nsw i32 %73, %77
  %79 = load i32, ptr %16, align 4, !tbaa !9
  %80 = sext i32 %79 to i64
  %81 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %80) #5
  store i32 %78, ptr %81, align 4, !tbaa !9
  br label %82

82:                                               ; preds = %68
  %83 = load i32, ptr %16, align 4, !tbaa !9
  %84 = add nsw i32 %83, 1
  store i32 %84, ptr %16, align 4, !tbaa !9
  br label %58, !llvm.loop !13

85:                                               ; preds = %63
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #5
  store i32 1, ptr %17, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #5
  %86 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %14) #5
  %87 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %20, i32 0, i32 0
  store ptr %86, ptr %87, align 8
  %88 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %14) #5
  %89 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %21, i32 0, i32 0
  store ptr %88, ptr %89, align 8
  %90 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %20, i32 0, i32 0
  %91 = load ptr, ptr %90, align 8
  %92 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %21, i32 0, i32 0
  %93 = load ptr, ptr %92, align 8
  %94 = invoke ptr @_ZSt11max_elementIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEET_S7_S7_(ptr %91, ptr %93)
          to label %95 unwind label %113

95:                                               ; preds = %85
  %96 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %19, i32 0, i32 0
  store ptr %94, ptr %96, align 8
  %97 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %19) #5
  %98 = load i32, ptr %97, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #5
  store i32 %98, ptr %18, align 4, !tbaa !9
  br label %99

99:                                               ; preds = %120, %95
  %100 = load i32, ptr %17, align 4, !tbaa !9
  %101 = load i32, ptr %18, align 4, !tbaa !9
  %102 = icmp ne i32 %100, %101
  br i1 %102, label %103, label %121

103:                                              ; preds = %99
  call void @llvm.lifetime.start.p0(i64 4, ptr %22) #5
  %104 = load i32, ptr %17, align 4, !tbaa !9
  %105 = load i32, ptr %18, align 4, !tbaa !9
  %106 = add nsw i32 %104, %105
  %107 = sdiv i32 %106, 2
  store i32 %107, ptr %22, align 4, !tbaa !9
  %108 = call noundef i32 @_Z16minAddedSessionsRKSt6vectorIiSaIiEERKi(ptr noundef nonnull align 8 dereferenceable(24) %14, ptr noundef nonnull align 4 dereferenceable(4) %22)
  %109 = load i32, ptr %8, align 4, !tbaa !9
  %110 = icmp sle i32 %108, %109
  br i1 %110, label %111, label %117

111:                                              ; preds = %103
  %112 = load i32, ptr %22, align 4, !tbaa !9
  store i32 %112, ptr %18, align 4, !tbaa !9
  br label %120

113:                                              ; preds = %85
  %114 = landingpad { ptr, i32 }
          cleanup
  %115 = extractvalue { ptr, i32 } %114, 0
  store ptr %115, ptr %11, align 8
  %116 = extractvalue { ptr, i32 } %114, 1
  store i32 %116, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #5
  br label %141

117:                                              ; preds = %103
  %118 = load i32, ptr %22, align 4, !tbaa !9
  %119 = add nsw i32 %118, 1
  store i32 %119, ptr %17, align 4, !tbaa !9
  br label %120

120:                                              ; preds = %117, %111
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #5
  br label %99, !llvm.loop !14

121:                                              ; preds = %99
  call void @llvm.lifetime.start.p0(i64 4, ptr %23) #5
  %122 = load i32, ptr %18, align 4, !tbaa !9
  store i32 %122, ptr %23, align 4, !tbaa !9
  %123 = load ptr, ptr %6, align 8, !tbaa !5
  %124 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %123, ptr noundef @.str)
          to label %125 unwind label %137

125:                                              ; preds = %121
  %126 = load ptr, ptr %4, align 8, !tbaa !5
  %127 = load i32, ptr %126, align 4, !tbaa !9
  %128 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %124, i32 noundef %127)
          to label %129 unwind label %137

129:                                              ; preds = %125
  %130 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %128, ptr noundef @.str.1)
          to label %131 unwind label %137

131:                                              ; preds = %129
  %132 = load i32, ptr %23, align 4, !tbaa !9
  %133 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %130, i32 noundef %132)
          to label %134 unwind label %137

134:                                              ; preds = %131
  %135 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %133, ptr noundef @.str.2)
          to label %136 unwind label %137

136:                                              ; preds = %134
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  ret void

137:                                              ; preds = %134, %131, %129, %125, %121
  %138 = landingpad { ptr, i32 }
          cleanup
  %139 = extractvalue { ptr, i32 } %138, 0
  store ptr %139, ptr %11, align 8
  %140 = extractvalue { ptr, i32 } %138, 1
  store i32 %140, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #5
  br label %141

141:                                              ; preds = %137, %113
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #5
  br label %142

142:                                              ; preds = %141, %64
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #5
  br label %143

143:                                              ; preds = %142, %49
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #5
  br label %144

144:                                              ; preds = %143, %35
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %145

145:                                              ; preds = %144
  %146 = load ptr, ptr %11, align 8
  %147 = load i32, ptr %12, align 4
  %148 = insertvalue { ptr, i32 } poison, ptr %146, 0
  %149 = insertvalue { ptr, i32 } %148, i32 %147, 1
  resume { ptr, i32 } %149
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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 #2 align 2

declare i32 @__gxx_personality_v0(...)

; 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) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt11max_elementIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEET_S7_S7_(ptr, ptr) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 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)) #0 align 2

; 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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "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 = !{!"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}
!14 = distinct !{!14, !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::allocator" = type { i8 }
%"class.__gnu_cxx::__normal_iterator.0" = type { ptr }

@.str = external hidden unnamed_addr constant [7 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z16minAddedSessionsRKSt6vectorIiSaIiEERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solveRKiRSiRSo(ptr nocapture noundef nonnull readonly align 4 dereferenceable(4) %0, ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca %"class.std::allocator", align 1
  %10 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %11 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #5
  %12 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %13 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %12, ptr noundef nonnull align 4 dereferenceable(4) %5)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #5
  %14 = load i32, ptr %4, align 4, !tbaa !5
  %15 = sext i32 %14 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %15, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %16 unwind label %21

16:                                               ; preds = %3
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #5
  %17 = load i32, ptr %4, align 4, !tbaa !5
  %18 = icmp sgt i32 %17, 0
  br i1 %18, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %25, %16
  %.lcssa = phi i32 [ %17, %16 ], [ %26, %25 ]
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %8) #5
  %19 = add nsw i32 %.lcssa, -1
  %20 = sext i32 %19 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %9) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %20, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %31 unwind label %37

21:                                               ; preds = %3
  %22 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #5
  br label %76

.lr.ph:                                           ; preds = %16, %25
  %indvars.iv = phi i64 [ %indvars.iv.next, %25 ], [ 0, %16 ]
  %23 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv) #5
  %24 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 4 dereferenceable(4) %23)
          to label %25 unwind label %29

25:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %26 = load i32, ptr %4, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = icmp slt i64 %indvars.iv.next, %27
  br i1 %28, label %.lr.ph, label %._crit_edge, !llvm.loop !9

29:                                               ; preds = %.lr.ph
  %30 = landingpad { ptr, i32 }
          cleanup
  br label %75

31:                                               ; preds = %._crit_edge
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #5
  %32 = load i32, ptr %4, align 4, !tbaa !5
  %33 = icmp sgt i32 %32, 1
  br i1 %33, label %.lr.ph40, label %._crit_edge41

._crit_edge41:                                    ; preds = %.lr.ph40, %31
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #5
  %34 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  %35 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  %36 = invoke ptr @_ZSt11max_elementIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEET_S7_S7_(ptr %34, ptr %35)
          to label %49 unwind label %58

37:                                               ; preds = %._crit_edge
  %38 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #5
  br label %74

.lr.ph40:                                         ; preds = %31, %.lr.ph40
  %indvars.iv51 = phi i64 [ %indvars.iv.next52, %.lr.ph40 ], [ 0, %31 ]
  %indvars.iv.next52 = add nuw nsw i64 %indvars.iv51, 1
  %39 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv.next52) #5
  %40 = load i32, ptr %39, align 4, !tbaa !5
  %41 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv51) #5
  %42 = load i32, ptr %41, align 4, !tbaa !5
  %43 = sub nsw i32 %40, %42
  %44 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %indvars.iv51) #5
  store i32 %43, ptr %44, align 4, !tbaa !5
  %45 = load i32, ptr %4, align 4, !tbaa !5
  %46 = add nsw i32 %45, -1
  %47 = sext i32 %46 to i64
  %48 = icmp slt i64 %indvars.iv.next52, %47
  br i1 %48, label %.lr.ph40, label %._crit_edge41, !llvm.loop !11

49:                                               ; preds = %._crit_edge41
  store ptr %36, ptr %10, align 8
  %50 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #5
  %51 = load i32, ptr %50, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #5
  %.not42 = icmp eq i32 %51, 1
  br i1 %.not42, label %._crit_edge47, label %.lr.ph46

.lr.ph46:                                         ; preds = %49, %.lr.ph46
  %.02544 = phi i32 [ %.126, %.lr.ph46 ], [ %51, %49 ]
  %.02743 = phi i32 [ %.128, %.lr.ph46 ], [ 1, %49 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %11) #5
  %52 = add nsw i32 %.02544, %.02743
  %53 = sdiv i32 %52, 2
  store i32 %53, ptr %11, align 4, !tbaa !5
  %54 = call noundef i32 @_Z16minAddedSessionsRKSt6vectorIiSaIiEERKi(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 4 dereferenceable(4) %11)
  %55 = load i32, ptr %5, align 4, !tbaa !5
  %.not32 = icmp sgt i32 %54, %55
  %56 = load i32, ptr %11, align 4
  %57 = add nsw i32 %56, 1
  %.128 = select i1 %.not32, i32 %57, i32 %.02743
  %.126 = select i1 %.not32, i32 %.02544, i32 %56
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #5
  %.not = icmp eq i32 %.128, %.126
  br i1 %.not, label %._crit_edge47, label %.lr.ph46, !llvm.loop !12

58:                                               ; preds = %._crit_edge41
  %59 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #5
  br label %73

._crit_edge47:                                    ; preds = %.lr.ph46, %49
  %.025.lcssa = phi i32 [ 1, %49 ], [ %.128, %.lr.ph46 ]
  %60 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull @.str)
          to label %61 unwind label %71

61:                                               ; preds = %._crit_edge47
  %62 = load i32, ptr %0, align 4, !tbaa !5
  %63 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %60, i32 noundef %62)
          to label %64 unwind label %71

64:                                               ; preds = %61
  %65 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %63, ptr noundef nonnull @.str.1)
          to label %66 unwind label %71

66:                                               ; preds = %64
  %67 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %65, i32 noundef %.025.lcssa)
          to label %68 unwind label %71

68:                                               ; preds = %66
  %69 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %67, ptr noundef nonnull @.str.2)
          to label %70 unwind label %71

70:                                               ; preds = %68
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  ret void

71:                                               ; preds = %68, %66, %64, %61, %._crit_edge47
  %72 = landingpad { ptr, i32 }
          cleanup
  br label %73

73:                                               ; preds = %71, %58
  %.pn = phi { ptr, i32 } [ %72, %71 ], [ %59, %58 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  br label %74

74:                                               ; preds = %73, %37
  %.pn.pn = phi { ptr, i32 } [ %.pn, %73 ], [ %38, %37 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #5
  br label %75

75:                                               ; preds = %74, %29
  %.pn33 = phi { ptr, i32 } [ %30, %29 ], [ %.pn.pn, %74 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  br label %76

76:                                               ; preds = %75, %21
  %.pn33.pn = phi { ptr, i32 } [ %.pn33, %75 ], [ %22, %21 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  resume { ptr, i32 } %.pn33.pn
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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 #2 align 2

declare i32 @__gxx_personality_v0(...)

; 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 #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt11max_elementIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEET_S7_S7_(ptr, ptr) local_unnamed_addr #4

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 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 #0 align 2

; 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

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 nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "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}


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