; LLVM IR from xirc/cp-algorithm :: atcoder/abc109/D/main.ll (Z5solvev)

; 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.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 }

@H = external dso_local global i32, align 4
@W = external dso_local global i32, align 4
@A = external dso_local global %"class.std::vector", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0) #1 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca i1, align 1
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::vector.0", align 8
  %8 = alloca %"class.std::initializer_list", align 8
  %9 = alloca [4 x i32], align 4
  %10 = alloca %"class.std::allocator.2", align 1
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca %"class.std::vector.0", align 8
  %14 = alloca %"class.std::initializer_list", align 8
  %15 = alloca [4 x i32], align 4
  %16 = alloca %"class.std::allocator.2", align 1
  store ptr %0, ptr %2, align 8
  store i1 false, ptr %3, align 1
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 0, ptr %4, align 4, !tbaa !5
  br label %17

17:                                               ; preds = %142, %1
  %18 = load i32, ptr %4, align 4, !tbaa !5
  %19 = load i32, ptr @H, align 4, !tbaa !5
  %20 = icmp slt i32 %18, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %17
  store i32 2, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  br label %145

22:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %23

23:                                               ; preds = %137, %22
  %24 = load i32, ptr %6, align 4, !tbaa !5
  %25 = load i32, ptr @W, align 4, !tbaa !5
  %26 = icmp slt i32 %24, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %23
  store i32 5, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  br label %141

28:                                               ; preds = %23
  %29 = load i32, ptr %4, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @A, i64 noundef %30) #3
  %32 = load i32, ptr %6, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %31, i64 noundef %33) #3
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %36 = and i32 %35, 1
  %37 = icmp eq i32 %36, 0
  br i1 %37, label %38, label %39

38:                                               ; preds = %28
  br label %137

39:                                               ; preds = %28
  %40 = load i32, ptr %6, align 4, !tbaa !5
  %41 = add nsw i32 %40, 1
  %42 = load i32, ptr @W, align 4, !tbaa !5
  %43 = icmp slt i32 %41, %42
  br i1 %43, label %44, label %87

44:                                               ; preds = %39
  %45 = load i32, ptr %4, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @A, i64 noundef %46) #3
  %48 = load i32, ptr %6, align 4, !tbaa !5
  %49 = sext i32 %48 to i64
  %50 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %47, i64 noundef %49) #3
  %51 = load i32, ptr %50, align 4, !tbaa !5
  %52 = add nsw i32 %51, -1
  store i32 %52, ptr %50, align 4, !tbaa !5
  %53 = load i32, ptr %4, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @A, i64 noundef %54) #3
  %56 = load i32, ptr %6, align 4, !tbaa !5
  %57 = add nsw i32 %56, 1
  %58 = sext i32 %57 to i64
  %59 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %55, i64 noundef %58) #3
  %60 = load i32, ptr %59, align 4, !tbaa !5
  %61 = add nsw i32 %60, 1
  store i32 %61, ptr %59, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 16, ptr %9) #3
  %62 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %62, ptr %9, align 4, !tbaa !5
  %63 = getelementptr inbounds i32, ptr %9, i64 1
  %64 = load i32, ptr %6, align 4, !tbaa !5
  store i32 %64, ptr %63, align 4, !tbaa !5
  %65 = getelementptr inbounds i32, ptr %9, i64 2
  %66 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %66, ptr %65, align 4, !tbaa !5
  %67 = getelementptr inbounds i32, ptr %9, i64 3
  %68 = load i32, ptr %6, align 4, !tbaa !5
  %69 = add nsw i32 %68, 1
  store i32 %69, ptr %67, align 4, !tbaa !5
  %70 = getelementptr inbounds %"class.std::initializer_list", ptr %8, i32 0, i32 0
  store ptr %9, ptr %70, align 8, !tbaa !9
  %71 = getelementptr inbounds %"class.std::initializer_list", ptr %8, i32 0, i32 1
  store i64 4, ptr %71, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #3
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #3
  %72 = getelementptr inbounds { ptr, i64 }, ptr %8, i32 0, i32 0
  %73 = load ptr, ptr %72, align 8
  %74 = getelementptr inbounds { ptr, i64 }, ptr %8, i32 0, i32 1
  %75 = load i64, ptr %74, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr %73, i64 %75, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %76 unwind label %78

76:                                               ; preds = %44
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %7)
          to label %77 unwind label %82

77:                                               ; preds = %76
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #3
  br label %136

78:                                               ; preds = %44
  %79 = landingpad { ptr, i32 }
          cleanup
  %80 = extractvalue { ptr, i32 } %79, 0
  store ptr %80, ptr %11, align 8
  %81 = extractvalue { ptr, i32 } %79, 1
  store i32 %81, ptr %12, align 4
  br label %86

82:                                               ; preds = %76
  %83 = landingpad { ptr, i32 }
          cleanup
  %84 = extractvalue { ptr, i32 } %83, 0
  store ptr %84, ptr %11, align 8
  %85 = extractvalue { ptr, i32 } %83, 1
  store i32 %85, ptr %12, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  br label %86

86:                                               ; preds = %82, %78
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #3
  br label %140

87:                                               ; preds = %39
  %88 = load i32, ptr %4, align 4, !tbaa !5
  %89 = add nsw i32 %88, 1
  %90 = load i32, ptr @H, align 4, !tbaa !5
  %91 = icmp slt i32 %89, %90
  br i1 %91, label %92, label %135

92:                                               ; preds = %87
  %93 = load i32, ptr %4, align 4, !tbaa !5
  %94 = sext i32 %93 to i64
  %95 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @A, i64 noundef %94) #3
  %96 = load i32, ptr %6, align 4, !tbaa !5
  %97 = sext i32 %96 to i64
  %98 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %95, i64 noundef %97) #3
  %99 = load i32, ptr %98, align 4, !tbaa !5
  %100 = add nsw i32 %99, -1
  store i32 %100, ptr %98, align 4, !tbaa !5
  %101 = load i32, ptr %4, align 4, !tbaa !5
  %102 = add nsw i32 %101, 1
  %103 = sext i32 %102 to i64
  %104 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @A, i64 noundef %103) #3
  %105 = load i32, ptr %6, align 4, !tbaa !5
  %106 = sext i32 %105 to i64
  %107 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %104, i64 noundef %106) #3
  %108 = load i32, ptr %107, align 4, !tbaa !5
  %109 = add nsw i32 %108, 1
  store i32 %109, ptr %107, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %13) #3
  call void @llvm.lifetime.start.p0(i64 16, ptr %15) #3
  %110 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %110, ptr %15, align 4, !tbaa !5
  %111 = getelementptr inbounds i32, ptr %15, i64 1
  %112 = load i32, ptr %6, align 4, !tbaa !5
  store i32 %112, ptr %111, align 4, !tbaa !5
  %113 = getelementptr inbounds i32, ptr %15, i64 2
  %114 = load i32, ptr %4, align 4, !tbaa !5
  %115 = add nsw i32 %114, 1
  store i32 %115, ptr %113, align 4, !tbaa !5
  %116 = getelementptr inbounds i32, ptr %15, i64 3
  %117 = load i32, ptr %6, align 4, !tbaa !5
  store i32 %117, ptr %116, align 4, !tbaa !5
  %118 = getelementptr inbounds %"class.std::initializer_list", ptr %14, i32 0, i32 0
  store ptr %15, ptr %118, align 8, !tbaa !9
  %119 = getelementptr inbounds %"class.std::initializer_list", ptr %14, i32 0, i32 1
  store i64 4, ptr %119, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %16) #3
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #3
  %120 = getelementptr inbounds { ptr, i64 }, ptr %14, i32 0, i32 0
  %121 = load ptr, ptr %120, align 8
  %122 = getelementptr inbounds { ptr, i64 }, ptr %14, i32 0, i32 1
  %123 = load i64, ptr %122, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %13, ptr %121, i64 %123, ptr noundef nonnull align 1 dereferenceable(1) %16)
          to label %124 unwind label %126

124:                                              ; preds = %92
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %13)
          to label %125 unwind label %130

125:                                              ; preds = %124
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #3
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %15) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #3
  br label %135

126:                                              ; preds = %92
  %127 = landingpad { ptr, i32 }
          cleanup
  %128 = extractvalue { ptr, i32 } %127, 0
  store ptr %128, ptr %11, align 8
  %129 = extractvalue { ptr, i32 } %127, 1
  store i32 %129, ptr %12, align 4
  br label %134

130:                                              ; preds = %124
  %131 = landingpad { ptr, i32 }
          cleanup
  %132 = extractvalue { ptr, i32 } %131, 0
  store ptr %132, ptr %11, align 8
  %133 = extractvalue { ptr, i32 } %131, 1
  store i32 %133, ptr %12, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %13) #3
  br label %134

134:                                              ; preds = %130, %126
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %16) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %16) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr %15) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %13) #3
  br label %140

135:                                              ; preds = %125, %87
  br label %136

136:                                              ; preds = %135, %77
  br label %137

137:                                              ; preds = %136, %38
  %138 = load i32, ptr %6, align 4, !tbaa !5
  %139 = add nsw i32 %138, 1
  store i32 %139, ptr %6, align 4, !tbaa !5
  br label %23, !llvm.loop !14

140:                                              ; preds = %134, %86
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %149

141:                                              ; preds = %27
  br label %142

142:                                              ; preds = %141
  %143 = load i32, ptr %4, align 4, !tbaa !5
  %144 = add nsw i32 %143, 1
  store i32 %144, ptr %4, align 4, !tbaa !5
  br label %17, !llvm.loop !16

145:                                              ; preds = %21
  store i1 true, ptr %3, align 1
  store i32 1, ptr %5, align 4
  %146 = load i1, ptr %3, align 1
  br i1 %146, label %148, label %147

147:                                              ; preds = %145
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %148

148:                                              ; preds = %147, %145
  ret void

149:                                              ; preds = %140
  %150 = load ptr, ptr %11, align 8
  %151 = load i32, ptr %12, align 4
  %152 = insertvalue { ptr, i32 } poison, ptr %150, 0
  %153 = insertvalue { ptr, i32 } %152, i32 %151, 1
  resume { ptr, i32 } %153
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 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)) #1 align 2

; 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 @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 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 #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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, !11, i64 0}
!10 = !{!"_ZTSSt16initializer_listIiE", !11, i64 0, !12, i64 8}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!10, !12, i64 8}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = distinct !{!16, !15}


; 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 }

@H = external dso_local local_unnamed_addr global i32, align 4
@W = external dso_local local_unnamed_addr global i32, align 4
@A = external dso_local global %"class.std::vector", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::vector") align 8 %0) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::vector.0", align 8
  %3 = alloca [4 x i32], align 4
  %4 = alloca %"class.std::allocator.2", align 1
  %5 = alloca %"class.std::vector.0", align 8
  %6 = alloca [4 x i32], align 4
  %7 = alloca %"class.std::allocator.2", align 1
  tail call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  %8 = load i32, ptr @H, align 4, !tbaa !5
  %9 = icmp sgt i32 %8, 0
  br i1 %9, label %.preheader.lr.ph, label %._crit_edge41

.preheader.lr.ph:                                 ; preds = %1
  %10 = getelementptr inbounds i8, ptr %6, i64 4
  %11 = getelementptr inbounds i8, ptr %6, i64 8
  %12 = getelementptr inbounds i8, ptr %6, i64 12
  %13 = getelementptr inbounds i8, ptr %3, i64 4
  %14 = getelementptr inbounds i8, ptr %3, i64 8
  %15 = getelementptr inbounds i8, ptr %3, i64 12
  %16 = load i32, ptr @W, align 4, !tbaa !5
  %17 = icmp sgt i32 %16, 0
  br i1 %17, label %.preheader, label %._crit_edge41

.preheader:                                       ; preds = %.preheader.lr.ph, %._crit_edge
  %18 = phi i32 [ %25, %._crit_edge ], [ %8, %.preheader.lr.ph ]
  %19 = phi i32 [ %26, %._crit_edge ], [ %16, %.preheader.lr.ph ]
  %indvars.iv44 = phi i64 [ %21, %._crit_edge ], [ 0, %.preheader.lr.ph ]
  %20 = icmp sgt i32 %19, 0
  %21 = add nuw nsw i64 %indvars.iv44, 1
  br i1 %20, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %.preheader
  %22 = trunc nuw nsw i64 %indvars.iv44 to i32
  %23 = trunc nuw nsw i64 %21 to i32
  %24 = trunc nuw nsw i64 %indvars.iv44 to i32
  br label %29

._crit_edge.loopexit:                             ; preds = %._crit_edge47
  %.pre = load i32, ptr @H, align 4, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %.preheader, %._crit_edge.loopexit
  %25 = phi i32 [ %.pre, %._crit_edge.loopexit ], [ %18, %.preheader ]
  %26 = phi i32 [ %78, %._crit_edge.loopexit ], [ %19, %.preheader ]
  %27 = sext i32 %25 to i64
  %28 = icmp slt i64 %21, %27
  br i1 %28, label %.preheader, label %._crit_edge41, !llvm.loop !9

29:                                               ; preds = %.lr.ph, %._crit_edge47
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %.pre48, %._crit_edge47 ]
  %30 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @A, i64 noundef %indvars.iv44) #3
  %31 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %30, i64 noundef %indvars.iv) #3
  %32 = load i32, ptr %31, align 4, !tbaa !5
  %33 = and i32 %32, 1
  %34 = icmp eq i32 %33, 0
  %.pre48 = add nuw nsw i64 %indvars.iv, 1
  br i1 %34, label %._crit_edge47, label %35

35:                                               ; preds = %29
  %36 = load i32, ptr @W, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = icmp slt i64 %.pre48, %37
  br i1 %38, label %39, label %57

39:                                               ; preds = %35
  %40 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @A, i64 noundef %indvars.iv44) #3
  %41 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %40, i64 noundef %indvars.iv) #3
  %42 = load i32, ptr %41, align 4, !tbaa !5
  %43 = add nsw i32 %42, -1
  store i32 %43, ptr %41, align 4, !tbaa !5
  %44 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @A, i64 noundef %indvars.iv44) #3
  %45 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %44, i64 noundef %.pre48) #3
  %46 = load i32, ptr %45, align 4, !tbaa !5
  %47 = add nsw i32 %46, 1
  store i32 %47, ptr %45, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #3
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %3) #3
  store i32 %24, ptr %3, align 4, !tbaa !5
  %48 = trunc nuw nsw i64 %indvars.iv to i32
  store i32 %48, ptr %13, align 4, !tbaa !5
  store i32 %24, ptr %14, align 4, !tbaa !5
  %49 = trunc nuw nsw i64 %.pre48 to i32
  store i32 %49, ptr %15, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #3
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr nonnull %3, i64 4, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %50 unwind label %52

50:                                               ; preds = %39
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %51 unwind label %54

51:                                               ; preds = %50
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #3
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #3
  br label %._crit_edge47

52:                                               ; preds = %39
  %53 = landingpad { ptr, i32 }
          cleanup
  br label %56

54:                                               ; preds = %50
  %55 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #3
  br label %56

56:                                               ; preds = %54, %52
  %.pn36 = phi { ptr, i32 } [ %55, %54 ], [ %53, %52 ]
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #3
  br label %81

57:                                               ; preds = %35
  %58 = load i32, ptr @H, align 4, !tbaa !5
  %59 = sext i32 %58 to i64
  %60 = icmp slt i64 %21, %59
  br i1 %60, label %61, label %._crit_edge47

61:                                               ; preds = %57
  %62 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @A, i64 noundef %indvars.iv44) #3
  %63 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %62, i64 noundef %indvars.iv) #3
  %64 = load i32, ptr %63, align 4, !tbaa !5
  %65 = add nsw i32 %64, -1
  store i32 %65, ptr %63, align 4, !tbaa !5
  %66 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @A, i64 noundef %21) #3
  %67 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %66, i64 noundef %indvars.iv) #3
  %68 = load i32, ptr %67, align 4, !tbaa !5
  %69 = add nsw i32 %68, 1
  store i32 %69, ptr %67, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #3
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #3
  store i32 %22, ptr %6, align 4, !tbaa !5
  %70 = trunc nuw nsw i64 %indvars.iv to i32
  store i32 %70, ptr %10, align 4, !tbaa !5
  store i32 %23, ptr %11, align 4, !tbaa !5
  store i32 %70, ptr %12, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #3
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr nonnull %6, i64 4, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %71 unwind label %73

71:                                               ; preds = %61
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %5)
          to label %72 unwind label %75

72:                                               ; preds = %71
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #3
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #3
  br label %._crit_edge47

73:                                               ; preds = %61
  %74 = landingpad { ptr, i32 }
          cleanup
  br label %77

75:                                               ; preds = %71
  %76 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #3
  br label %77

77:                                               ; preds = %75, %73
  %.pn = phi { ptr, i32 } [ %76, %75 ], [ %74, %73 ]
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #3
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #3
  br label %81

._crit_edge47:                                    ; preds = %29, %51, %72, %57
  %78 = load i32, ptr @W, align 4, !tbaa !5
  %79 = sext i32 %78 to i64
  %80 = icmp slt i64 %.pre48, %79
  br i1 %80, label %29, label %._crit_edge.loopexit, !llvm.loop !12

81:                                               ; preds = %77, %56
  %.pn36.pn = phi { ptr, i32 } [ %.pn36, %56 ], [ %.pn, %77 ]
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  resume { ptr, i32 } %.pn36.pn

._crit_edge41:                                    ; preds = %._crit_edge, %.preheader.lr.ph, %1
  ret void
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 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 #1 align 2

; 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 @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 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 #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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, !11}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!"llvm.loop.unswitch.partial.disable"}
!12 = distinct !{!12, !10}


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