; LLVM IR from xirc/cp-algorithm :: codeforces/1433/1433D/main.ll (Z5solveiRKSt6vectorIiSaIiEE)

; 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<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%class.anon = type { ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = 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::initializer_list" = type { ptr, i64 }
%"class.std::allocator.2" = type { i8 }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solveiRKSt6vectorIiSaIiEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, i32 noundef %1, ptr noundef nonnull align 8 dereferenceable(24) %2) #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i8, align 1
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %class.anon, align 8
  %12 = alloca i32, align 4
  %13 = alloca i1, align 1
  %14 = alloca i32, align 4
  %15 = alloca %"class.std::vector.0", align 8
  %16 = alloca %"class.std::initializer_list", align 8
  %17 = alloca [2 x i32], align 4
  %18 = alloca %"class.std::allocator.2", align 1
  %19 = alloca ptr, align 8
  %20 = alloca i32, align 4
  %21 = alloca i32, align 4
  %22 = alloca %"class.std::vector.0", align 8
  %23 = alloca %"class.std::initializer_list", align 8
  %24 = alloca [2 x i32], align 4
  %25 = alloca %"class.std::allocator.2", align 1
  store ptr %0, ptr %4, align 8
  store i32 %1, ptr %5, align 4, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  %26 = load ptr, ptr %6, align 8, !tbaa !9
  %27 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %26, i64 noundef 0) #5
  %28 = load i32, ptr %27, align 4, !tbaa !5
  store i32 %28, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #5
  %29 = load ptr, ptr %6, align 8, !tbaa !9
  %30 = call ptr @_ZNKSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %29) #5
  %31 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %30, ptr %31, align 8
  %32 = load ptr, ptr %6, align 8, !tbaa !9
  %33 = call ptr @_ZNKSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %32) #5
  %34 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %33, ptr %34, align 8
  %35 = getelementptr inbounds %class.anon, ptr %11, i32 0, i32 0
  store ptr %7, ptr %35, align 8, !tbaa !9
  %36 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  %37 = load ptr, ptr %36, align 8
  %38 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  %39 = load ptr, ptr %38, align 8
  %40 = getelementptr inbounds %class.anon, ptr %11, i32 0, i32 0
  %41 = load ptr, ptr %40, align 8
  %42 = call noundef zeroext i1 @"_ZSt6all_ofIN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEEZ5solveiRKS6_E3$_0EbT_SB_T0_"(ptr %37, ptr %39, ptr %41)
  %43 = zext i1 %42 to i8
  store i8 %43, ptr %8, align 1, !tbaa !11
  %44 = load i8, ptr %8, align 1, !tbaa !11, !range !13, !noundef !14
  %45 = trunc i8 %44 to i1
  br i1 %45, label %46, label %47

46:                                               ; preds = %3
  call void @llvm.memset.p0.i64(ptr align 8 %0, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  store i32 1, ptr %12, align 4
  br label %135

47:                                               ; preds = %3
  store i1 false, ptr %13, align 1
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #5
  store i32 1, ptr %14, align 4, !tbaa !5
  br label %48

48:                                               ; preds = %127, %47
  %49 = load i32, ptr %14, align 4, !tbaa !5
  %50 = load i32, ptr %5, align 4, !tbaa !5
  %51 = icmp slt i32 %49, %50
  br i1 %51, label %53, label %52

52:                                               ; preds = %48
  store i32 2, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  br label %131

53:                                               ; preds = %48
  %54 = load i32, ptr %7, align 4, !tbaa !5
  %55 = load ptr, ptr %6, align 8, !tbaa !9
  %56 = load i32, ptr %14, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %55, i64 noundef %57) #5
  %59 = load i32, ptr %58, align 4, !tbaa !5
  %60 = icmp ne i32 %54, %59
  br i1 %60, label %61, label %81

61:                                               ; preds = %53
  call void @llvm.lifetime.start.p0(i64 24, ptr %15) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #5
  store i32 0, ptr %17, align 4, !tbaa !5
  %62 = getelementptr inbounds i32, ptr %17, i64 1
  %63 = load i32, ptr %14, align 4, !tbaa !5
  store i32 %63, ptr %62, align 4, !tbaa !5
  %64 = getelementptr inbounds %"class.std::initializer_list", ptr %16, i32 0, i32 0
  store ptr %17, ptr %64, align 8, !tbaa !15
  %65 = getelementptr inbounds %"class.std::initializer_list", ptr %16, i32 0, i32 1
  store i64 2, ptr %65, align 8, !tbaa !18
  call void @llvm.lifetime.start.p0(i64 1, ptr %18) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #5
  %66 = getelementptr inbounds { ptr, i64 }, ptr %16, i32 0, i32 0
  %67 = load ptr, ptr %66, align 8
  %68 = getelementptr inbounds { ptr, i64 }, ptr %16, i32 0, i32 1
  %69 = load i64, ptr %68, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %15, ptr %67, i64 %69, ptr noundef nonnull align 1 dereferenceable(1) %18)
          to label %70 unwind label %72

70:                                               ; preds = %61
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %15)
          to label %71 unwind label %76

71:                                               ; preds = %70
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %15) #5
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %15) #5
  br label %126

72:                                               ; preds = %61
  %73 = landingpad { ptr, i32 }
          cleanup
  %74 = extractvalue { ptr, i32 } %73, 0
  store ptr %74, ptr %19, align 8
  %75 = extractvalue { ptr, i32 } %73, 1
  store i32 %75, ptr %20, align 4
  br label %80

76:                                               ; preds = %70
  %77 = landingpad { ptr, i32 }
          cleanup
  %78 = extractvalue { ptr, i32 } %77, 0
  store ptr %78, ptr %19, align 8
  %79 = extractvalue { ptr, i32 } %77, 1
  store i32 %79, ptr %20, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %15) #5
  br label %80

80:                                               ; preds = %76, %72
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %18) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %15) #5
  br label %130

81:                                               ; preds = %53
  call void @llvm.lifetime.start.p0(i64 4, ptr %21) #5
  store i32 1, ptr %21, align 4, !tbaa !5
  br label %82

82:                                               ; preds = %121, %81
  %83 = load i32, ptr %21, align 4, !tbaa !5
  %84 = load i32, ptr %5, align 4, !tbaa !5
  %85 = icmp slt i32 %83, %84
  br i1 %85, label %87, label %86

86:                                               ; preds = %82
  store i32 5, ptr %12, align 4
  br label %124

87:                                               ; preds = %82
  %88 = load ptr, ptr %6, align 8, !tbaa !9
  %89 = load i32, ptr %14, align 4, !tbaa !5
  %90 = sext i32 %89 to i64
  %91 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %88, i64 noundef %90) #5
  %92 = load i32, ptr %91, align 4, !tbaa !5
  %93 = load ptr, ptr %6, align 8, !tbaa !9
  %94 = load i32, ptr %21, align 4, !tbaa !5
  %95 = sext i32 %94 to i64
  %96 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %93, i64 noundef %95) #5
  %97 = load i32, ptr %96, align 4, !tbaa !5
  %98 = icmp ne i32 %92, %97
  br i1 %98, label %99, label %120

99:                                               ; preds = %87
  call void @llvm.lifetime.start.p0(i64 24, ptr %22) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %24) #5
  %100 = load i32, ptr %14, align 4, !tbaa !5
  store i32 %100, ptr %24, align 4, !tbaa !5
  %101 = getelementptr inbounds i32, ptr %24, i64 1
  %102 = load i32, ptr %21, align 4, !tbaa !5
  store i32 %102, ptr %101, align 4, !tbaa !5
  %103 = getelementptr inbounds %"class.std::initializer_list", ptr %23, i32 0, i32 0
  store ptr %24, ptr %103, align 8, !tbaa !15
  %104 = getelementptr inbounds %"class.std::initializer_list", ptr %23, i32 0, i32 1
  store i64 2, ptr %104, align 8, !tbaa !18
  call void @llvm.lifetime.start.p0(i64 1, ptr %25) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %25) #5
  %105 = getelementptr inbounds { ptr, i64 }, ptr %23, i32 0, i32 0
  %106 = load ptr, ptr %105, align 8
  %107 = getelementptr inbounds { ptr, i64 }, ptr %23, i32 0, i32 1
  %108 = load i64, ptr %107, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %22, ptr %106, i64 %108, ptr noundef nonnull align 1 dereferenceable(1) %25)
          to label %109 unwind label %111

109:                                              ; preds = %99
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %22)
          to label %110 unwind label %115

110:                                              ; preds = %109
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %22) #5
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %25) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %25) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %22) #5
  store i32 5, ptr %12, align 4
  br label %124

111:                                              ; preds = %99
  %112 = landingpad { ptr, i32 }
          cleanup
  %113 = extractvalue { ptr, i32 } %112, 0
  store ptr %113, ptr %19, align 8
  %114 = extractvalue { ptr, i32 } %112, 1
  store i32 %114, ptr %20, align 4
  br label %119

115:                                              ; preds = %109
  %116 = landingpad { ptr, i32 }
          cleanup
  %117 = extractvalue { ptr, i32 } %116, 0
  store ptr %117, ptr %19, align 8
  %118 = extractvalue { ptr, i32 } %116, 1
  store i32 %118, ptr %20, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %22) #5
  br label %119

119:                                              ; preds = %115, %111
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %25) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %25) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %22) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #5
  br label %130

120:                                              ; preds = %87
  br label %121

121:                                              ; preds = %120
  %122 = load i32, ptr %21, align 4, !tbaa !5
  %123 = add nsw i32 %122, 1
  store i32 %123, ptr %21, align 4, !tbaa !5
  br label %82, !llvm.loop !19

124:                                              ; preds = %110, %86
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #5
  br label %125

125:                                              ; preds = %124
  br label %126

126:                                              ; preds = %125, %71
  br label %127

127:                                              ; preds = %126
  %128 = load i32, ptr %14, align 4, !tbaa !5
  %129 = add nsw i32 %128, 1
  store i32 %129, ptr %14, align 4, !tbaa !5
  br label %48, !llvm.loop !21

130:                                              ; preds = %119, %80
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %136

131:                                              ; preds = %52
  store i1 true, ptr %13, align 1
  store i32 1, ptr %12, align 4
  %132 = load i1, ptr %13, align 1
  br i1 %132, label %134, label %133

133:                                              ; preds = %131
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  br label %134

134:                                              ; preds = %133, %131
  br label %135

135:                                              ; preds = %134, %46
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  ret void

136:                                              ; preds = %130
  %137 = load ptr, ptr %19, align 8
  %138 = load i32, ptr %20, align 4
  %139 = insertvalue { ptr, i32 } poison, ptr %137, 0
  %140 = insertvalue { ptr, i32 } %139, i32 %138, 1
  resume { ptr, i32 } %140
}

; 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 noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare hidden noundef zeroext i1 @"_ZSt6all_ofIN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEEZ5solveiRKS6_E3$_0EbT_SB_T0_"(ptr, ptr, ptr) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

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

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = !{!16, !10, i64 0}
!16 = !{!"_ZTSSt16initializer_listIiE", !10, i64 0, !17, i64 8}
!17 = !{!"long", !7, i64 0}
!18 = !{!16, !17, i64 8}
!19 = distinct !{!19, !20}
!20 = !{!"llvm.loop.mustprogress"}
!21 = distinct !{!21, !20}


; 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<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = 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.2" = type { i8 }

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solveiRKSt6vectorIiSaIiEE(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, i32 noundef %1, ptr noundef nonnull align 8 dereferenceable(24) %2) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::vector.0", align 8
  %6 = alloca [2 x i32], align 4
  %7 = alloca %"class.std::allocator.2", align 1
  %8 = alloca %"class.std::vector.0", align 8
  %9 = alloca [2 x i32], align 4
  %10 = alloca %"class.std::allocator.2", align 1
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  %11 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef 0) #5
  %12 = load i32, ptr %11, align 4, !tbaa !5
  store i32 %12, ptr %4, align 4, !tbaa !5
  %13 = tail call ptr @_ZNKSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  %14 = tail call ptr @_ZNKSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #5
  %15 = call noundef zeroext i1 @"_ZSt6all_ofIN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEEZ5solveiRKS6_E3$_0EbT_SB_T0_"(ptr %13, ptr %14, ptr nonnull %4)
  br i1 %15, label %16, label %17

16:                                               ; preds = %3
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %0, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  br label %.loopexit37

17:                                               ; preds = %3
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  %18 = icmp sgt i32 %1, 1
  br i1 %18, label %.lr.ph41, label %.loopexit37

.lr.ph41:                                         ; preds = %17
  %19 = getelementptr inbounds i8, ptr %6, i64 4
  %20 = getelementptr inbounds i8, ptr %9, i64 4
  %wide.trip.count56 = zext nneg i32 %1 to i64
  br label %21

21:                                               ; preds = %..loopexit_crit_edge.us, %.lr.ph41
  %indvars.iv53 = phi i64 [ %indvars.iv.next54, %..loopexit_crit_edge.us ], [ 1, %.lr.ph41 ]
  %22 = load i32, ptr %4, align 4, !tbaa !5
  %23 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv53) #5
  %24 = load i32, ptr %23, align 4, !tbaa !5
  %.not.us = icmp eq i32 %22, %24
  br i1 %.not.us, label %.preheader.us, label %25

25:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  store i32 0, ptr %6, align 4, !tbaa !5
  %26 = trunc nuw nsw i64 %indvars.iv53 to i32
  store i32 %26, ptr %19, align 4, !tbaa !5
  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 @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr nonnull %6, i64 2, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %27 unwind label %.split.us

27:                                               ; preds = %25
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %5)
          to label %28 unwind label %.split43.us

28:                                               ; preds = %27
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  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
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  br label %..loopexit_crit_edge.us

.preheader.us:                                    ; preds = %21, %38
  %indvars.iv = phi i64 [ %indvars.iv.next, %38 ], [ 1, %21 ]
  %29 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv53) #5
  %30 = load i32, ptr %29, align 4, !tbaa !5
  %31 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #5
  %32 = load i32, ptr %31, align 4, !tbaa !5
  %.not32.us = icmp eq i32 %30, %32
  br i1 %.not32.us, label %38, label %33

33:                                               ; preds = %.preheader.us
  %34 = trunc nuw nsw i64 %indvars.iv to i32
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %8) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #5
  %35 = trunc nuw nsw i64 %indvars.iv53 to i32
  store i32 %35, ptr %9, align 4, !tbaa !5
  store i32 %34, ptr %20, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %10) #5
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr nonnull %9, i64 2, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %36 unwind label %.split46.us

36:                                               ; preds = %33
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %8)
          to label %37 unwind label %.split49.us

37:                                               ; preds = %36
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #5
  br label %..loopexit_crit_edge.us

..loopexit_crit_edge.us:                          ; preds = %38, %37, %28
  %indvars.iv.next54 = add nuw nsw i64 %indvars.iv53, 1
  %exitcond57.not = icmp eq i64 %indvars.iv.next54, %wide.trip.count56
  br i1 %exitcond57.not, label %.loopexit37, label %21, !llvm.loop !9

38:                                               ; preds = %.preheader.us
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count56
  br i1 %exitcond.not, label %..loopexit_crit_edge.us, label %.preheader.us, !llvm.loop !11

.split.us:                                        ; preds = %25
  %39 = landingpad { ptr, i32 }
          cleanup
  br label %43

.split43.us:                                      ; preds = %27
  %40 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  br label %43

.split46.us:                                      ; preds = %33
  %41 = landingpad { ptr, i32 }
          cleanup
  br label %44

.split49.us:                                      ; preds = %36
  %42 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  br label %44

43:                                               ; preds = %.split.us, %.split43.us
  %.pn34 = phi { ptr, i32 } [ %40, %.split43.us ], [ %39, %.split.us ]
  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
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  br label %45

44:                                               ; preds = %.split49.us, %.split46.us
  %.pn = phi { ptr, i32 } [ %42, %.split49.us ], [ %41, %.split46.us ]
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %8) #5
  br label %45

45:                                               ; preds = %44, %43
  %.pn34.pn = phi { ptr, i32 } [ %.pn34, %43 ], [ %.pn, %44 ]
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  resume { ptr, i32 } %.pn34.pn

.loopexit37:                                      ; preds = %..loopexit_crit_edge.us, %17, %16
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  ret void
}

; 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 noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare hidden noundef zeroext i1 @"_ZSt6all_ofIN9__gnu_cxx17__normal_iteratorIPKiSt6vectorIiSaIiEEEEZ5solveiRKS6_E3$_0EbT_SB_T0_"(ptr, ptr, ptr) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; 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 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 void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

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

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


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