; LLVM IR from ravireddy07/cpp-book :: src/Leetcode (1572_matrix-diagonal-sum)

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

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%class.Solution = type { i8 }
%"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::initializer_list" = type { ptr, i64 }
%"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.5" = type { ptr, i64 }
%"class.std::allocator.2" = type { i8 }
%"class.std::allocator" = type { i8 }

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %class.Solution, align 1
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::initializer_list", align 8
  %5 = alloca [4 x %"class.std::vector.0"], align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.std::initializer_list.5", align 8
  %8 = alloca [4 x i32], align 4
  %9 = alloca %"class.std::allocator.2", align 1
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::initializer_list.5", align 8
  %13 = alloca [4 x i32], align 4
  %14 = alloca %"class.std::allocator.2", align 1
  %15 = alloca %"class.std::initializer_list.5", align 8
  %16 = alloca [4 x i32], align 4
  %17 = alloca %"class.std::allocator.2", align 1
  %18 = alloca %"class.std::initializer_list.5", align 8
  %19 = alloca [4 x i32], align 4
  %20 = alloca %"class.std::allocator.2", align 1
  %21 = alloca i1, align 1
  %22 = alloca %"class.std::allocator", align 1
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 1, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 96, ptr %5) #6
  store i1 true, ptr %21, align 1
  store ptr %5, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %8) #6
  store i32 1, ptr %8, align 4, !tbaa !5
  %23 = getelementptr inbounds i32, ptr %8, i64 1
  store i32 1, ptr %23, align 4, !tbaa !5
  %24 = getelementptr inbounds i32, ptr %8, i64 2
  store i32 1, ptr %24, align 4, !tbaa !5
  %25 = getelementptr inbounds i32, ptr %8, i64 3
  store i32 1, ptr %25, align 4, !tbaa !5
  %26 = getelementptr inbounds %"class.std::initializer_list.5", ptr %7, i32 0, i32 0
  store ptr %8, ptr %26, align 8, !tbaa !9
  %27 = getelementptr inbounds %"class.std::initializer_list.5", ptr %7, i32 0, i32 1
  store i64 4, ptr %27, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  %28 = getelementptr inbounds { ptr, i64 }, ptr %7, i32 0, i32 0
  %29 = load ptr, ptr %28, align 8
  %30 = getelementptr inbounds { ptr, i64 }, ptr %7, i32 0, i32 1
  %31 = load i64, ptr %30, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr %29, i64 %31, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %32 unwind label %86

32:                                               ; preds = %0
  %33 = getelementptr inbounds %"class.std::vector.0", ptr %5, i64 1
  store ptr %33, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %13) #6
  store i32 1, ptr %13, align 4, !tbaa !5
  %34 = getelementptr inbounds i32, ptr %13, i64 1
  store i32 1, ptr %34, align 4, !tbaa !5
  %35 = getelementptr inbounds i32, ptr %13, i64 2
  store i32 1, ptr %35, align 4, !tbaa !5
  %36 = getelementptr inbounds i32, ptr %13, i64 3
  store i32 1, ptr %36, align 4, !tbaa !5
  %37 = getelementptr inbounds %"class.std::initializer_list.5", ptr %12, i32 0, i32 0
  store ptr %13, ptr %37, align 8, !tbaa !9
  %38 = getelementptr inbounds %"class.std::initializer_list.5", ptr %12, i32 0, i32 1
  store i64 4, ptr %38, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %14) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #6
  %39 = getelementptr inbounds { ptr, i64 }, ptr %12, i32 0, i32 0
  %40 = load ptr, ptr %39, align 8
  %41 = getelementptr inbounds { ptr, i64 }, ptr %12, i32 0, i32 1
  %42 = load i64, ptr %41, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %33, ptr %40, i64 %42, ptr noundef nonnull align 1 dereferenceable(1) %14)
          to label %43 unwind label %90

43:                                               ; preds = %32
  %44 = getelementptr inbounds %"class.std::vector.0", ptr %5, i64 2
  store ptr %44, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %16) #6
  store i32 1, ptr %16, align 4, !tbaa !5
  %45 = getelementptr inbounds i32, ptr %16, i64 1
  store i32 1, ptr %45, align 4, !tbaa !5
  %46 = getelementptr inbounds i32, ptr %16, i64 2
  store i32 1, ptr %46, align 4, !tbaa !5
  %47 = getelementptr inbounds i32, ptr %16, i64 3
  store i32 1, ptr %47, align 4, !tbaa !5
  %48 = getelementptr inbounds %"class.std::initializer_list.5", ptr %15, i32 0, i32 0
  store ptr %16, ptr %48, align 8, !tbaa !9
  %49 = getelementptr inbounds %"class.std::initializer_list.5", ptr %15, i32 0, i32 1
  store i64 4, ptr %49, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %17) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #6
  %50 = getelementptr inbounds { ptr, i64 }, ptr %15, i32 0, i32 0
  %51 = load ptr, ptr %50, align 8
  %52 = getelementptr inbounds { ptr, i64 }, ptr %15, i32 0, i32 1
  %53 = load i64, ptr %52, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %44, ptr %51, i64 %53, ptr noundef nonnull align 1 dereferenceable(1) %17)
          to label %54 unwind label %94

54:                                               ; preds = %43
  %55 = getelementptr inbounds %"class.std::vector.0", ptr %5, i64 3
  store ptr %55, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %19) #6
  store i32 1, ptr %19, align 4, !tbaa !5
  %56 = getelementptr inbounds i32, ptr %19, i64 1
  store i32 1, ptr %56, align 4, !tbaa !5
  %57 = getelementptr inbounds i32, ptr %19, i64 2
  store i32 1, ptr %57, align 4, !tbaa !5
  %58 = getelementptr inbounds i32, ptr %19, i64 3
  store i32 1, ptr %58, align 4, !tbaa !5
  %59 = getelementptr inbounds %"class.std::initializer_list.5", ptr %18, i32 0, i32 0
  store ptr %19, ptr %59, align 8, !tbaa !9
  %60 = getelementptr inbounds %"class.std::initializer_list.5", ptr %18, i32 0, i32 1
  store i64 4, ptr %60, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %20) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #6
  %61 = getelementptr inbounds { ptr, i64 }, ptr %18, i32 0, i32 0
  %62 = load ptr, ptr %61, align 8
  %63 = getelementptr inbounds { ptr, i64 }, ptr %18, i32 0, i32 1
  %64 = load i64, ptr %63, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %55, ptr %62, i64 %64, ptr noundef nonnull align 1 dereferenceable(1) %20)
          to label %65 unwind label %98

65:                                               ; preds = %54
  store i1 false, ptr %21, align 1
  %66 = getelementptr inbounds %"class.std::initializer_list", ptr %4, i32 0, i32 0
  store ptr %5, ptr %66, align 8, !tbaa !14
  %67 = getelementptr inbounds %"class.std::initializer_list", ptr %4, i32 0, i32 1
  store i64 4, ptr %67, align 8, !tbaa !16
  call void @llvm.lifetime.start.p0(i64 1, ptr %22) #6
  call void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %22) #6
  %68 = getelementptr inbounds { ptr, i64 }, ptr %4, i32 0, i32 0
  %69 = load ptr, ptr %68, align 8
  %70 = getelementptr inbounds { ptr, i64 }, ptr %4, i32 0, i32 1
  %71 = load i64, ptr %70, align 8
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2ESt16initializer_listIS1_ERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr %69, i64 %71, ptr noundef nonnull align 1 dereferenceable(1) %22)
          to label %72 unwind label %102

72:                                               ; preds = %65
  %73 = invoke noundef i32 @_ZN8Solution11diagonalSumESt6vectorIS0_IiSaIiEESaIS2_EE(ptr noundef nonnull align 1 dereferenceable(1) %2, ptr noundef %3)
          to label %74 unwind label %106

74:                                               ; preds = %72
  %75 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %73)
          to label %76 unwind label %106

76:                                               ; preds = %74
  %77 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %75, ptr noundef @.str)
          to label %78 unwind label %106

78:                                               ; preds = %76
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %22) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %22) #6
  %79 = getelementptr inbounds [4 x %"class.std::vector.0"], ptr %5, i32 0, i32 0
  %80 = getelementptr inbounds %"class.std::vector.0", ptr %79, i64 4
  br label %81

81:                                               ; preds = %81, %78
  %82 = phi ptr [ %80, %78 ], [ %83, %81 ]
  %83 = getelementptr inbounds %"class.std::vector.0", ptr %82, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %83) #6
  %84 = icmp eq ptr %83, %79
  br i1 %84, label %85, label %81

85:                                               ; preds = %81
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %20) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %19) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %17) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %16) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %13) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 96, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %2) #6
  ret i32 0

86:                                               ; preds = %0
  %87 = landingpad { ptr, i32 }
          cleanup
  %88 = extractvalue { ptr, i32 } %87, 0
  store ptr %88, ptr %10, align 8
  %89 = extractvalue { ptr, i32 } %87, 1
  store i32 %89, ptr %11, align 4
  br label %121

90:                                               ; preds = %32
  %91 = landingpad { ptr, i32 }
          cleanup
  %92 = extractvalue { ptr, i32 } %91, 0
  store ptr %92, ptr %10, align 8
  %93 = extractvalue { ptr, i32 } %91, 1
  store i32 %93, ptr %11, align 4
  br label %120

94:                                               ; preds = %43
  %95 = landingpad { ptr, i32 }
          cleanup
  %96 = extractvalue { ptr, i32 } %95, 0
  store ptr %96, ptr %10, align 8
  %97 = extractvalue { ptr, i32 } %95, 1
  store i32 %97, ptr %11, align 4
  br label %119

98:                                               ; preds = %54
  %99 = landingpad { ptr, i32 }
          cleanup
  %100 = extractvalue { ptr, i32 } %99, 0
  store ptr %100, ptr %10, align 8
  %101 = extractvalue { ptr, i32 } %99, 1
  store i32 %101, ptr %11, align 4
  br label %118

102:                                              ; preds = %65
  %103 = landingpad { ptr, i32 }
          cleanup
  %104 = extractvalue { ptr, i32 } %103, 0
  store ptr %104, ptr %10, align 8
  %105 = extractvalue { ptr, i32 } %103, 1
  store i32 %105, ptr %11, align 4
  br label %110

106:                                              ; preds = %76, %74, %72
  %107 = landingpad { ptr, i32 }
          cleanup
  %108 = extractvalue { ptr, i32 } %107, 0
  store ptr %108, ptr %10, align 8
  %109 = extractvalue { ptr, i32 } %107, 1
  store i32 %109, ptr %11, align 4
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %110

110:                                              ; preds = %106, %102
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %22) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %22) #6
  %111 = getelementptr inbounds [4 x %"class.std::vector.0"], ptr %5, i32 0, i32 0
  %112 = getelementptr inbounds %"class.std::vector.0", ptr %111, i64 4
  br label %113

113:                                              ; preds = %113, %110
  %114 = phi ptr [ %112, %110 ], [ %115, %113 ]
  %115 = getelementptr inbounds %"class.std::vector.0", ptr %114, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %115) #6
  %116 = icmp eq ptr %115, %111
  br i1 %116, label %117, label %113

117:                                              ; preds = %113
  br label %118

118:                                              ; preds = %117, %98
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %20) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %20) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %19) #6
  br label %119

119:                                              ; preds = %118, %94
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %17) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %16) #6
  br label %120

120:                                              ; preds = %119, %90
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %14) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %13) #6
  br label %121

121:                                              ; preds = %120, %86
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr %8) #6
  %122 = load i1, ptr %21, align 1
  br i1 %122, label %123, label %131

123:                                              ; preds = %121
  %124 = load ptr, ptr %6, align 8
  %125 = icmp eq ptr %5, %124
  br i1 %125, label %130, label %126

126:                                              ; preds = %126, %123
  %127 = phi ptr [ %124, %123 ], [ %128, %126 ]
  %128 = getelementptr inbounds %"class.std::vector.0", ptr %127, i64 -1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %128) #6
  %129 = icmp eq ptr %128, %5
  br i1 %129, label %130, label %126

130:                                              ; preds = %126, %123
  br label %131

131:                                              ; preds = %130, %121
  call void @llvm.lifetime.end.p0(i64 96, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %2) #6
  br label %132

132:                                              ; preds = %131
  %133 = load ptr, ptr %10, align 8
  %134 = load i32, ptr %11, align 4
  %135 = insertvalue { ptr, i32 } poison, ptr %133, 0
  %136 = insertvalue { ptr, i32 } %135, i32 %134, 1
  resume { ptr, i32 } %136
}

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

; 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) #2

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 noundef i32 @_ZN8Solution11diagonalSumESt6vectorIS0_IiSaIiEESaIS2_EE(ptr noundef nonnull align 1 dereferenceable(1), ptr noundef) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 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 #5 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2ESt16initializer_listIS1_ERKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 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 @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

attributes #0 = { mustprogress norecurse 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 = { 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 #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 = { 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 #5 = { 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 #6 = { 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 = !{!15, !11, i64 0}
!15 = !{!"_ZTSSt16initializer_listISt6vectorIiSaIiEEE", !11, i64 0, !12, i64 8}
!16 = !{!15, !12, i64 8}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

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

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %class.Solution, align 1
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca [4 x %"class.std::vector.0"], align 8
  %4 = alloca [4 x i32], align 16
  %5 = alloca %"class.std::allocator.2", align 1
  %6 = alloca [4 x i32], align 16
  %7 = alloca %"class.std::allocator.2", align 1
  %8 = alloca [4 x i32], align 16
  %9 = alloca %"class.std::allocator.2", align 1
  %10 = alloca [4 x i32], align 16
  %11 = alloca %"class.std::allocator.2", align 1
  %12 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 96, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #6
  store <4 x i32> <i32 1, i32 1, i32 1, i32 1>, ptr %4, align 16, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr nonnull %4, i64 4, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %13 unwind label %.thread

13:                                               ; preds = %0
  %14 = getelementptr inbounds i8, ptr %3, i64 24
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #6
  store <4 x i32> <i32 1, i32 1, i32 1, i32 1>, ptr %6, align 16, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %14, ptr nonnull %6, i64 4, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %15 unwind label %30

15:                                               ; preds = %13
  %16 = getelementptr inbounds i8, ptr %3, i64 48
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #6
  store <4 x i32> <i32 1, i32 1, i32 1, i32 1>, ptr %8, align 16, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %9) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %16, ptr nonnull %8, i64 4, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %17 unwind label %32

17:                                               ; preds = %15
  %18 = getelementptr inbounds i8, ptr %3, i64 72
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %10) #6
  store <4 x i32> <i32 1, i32 1, i32 1, i32 1>, ptr %10, align 16, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %11) #6
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %18, ptr nonnull %10, i64 4, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %19 unwind label %34

19:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %12) #6
  call void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2ESt16initializer_listIS1_ERKS2_(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr nonnull %3, i64 4, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %20 unwind label %36

20:                                               ; preds = %19
  %21 = call noundef i32 @_ZN8Solution11diagonalSumESt6vectorIS0_IiSaIiEESaIS2_EE(ptr noundef nonnull align 1 dereferenceable(1) %1, ptr noundef nonnull %2)
  %22 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %21)
          to label %23 unwind label %38

23:                                               ; preds = %20
  %24 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %22, ptr noundef nonnull @.str)
          to label %25 unwind label %38

25:                                               ; preds = %23
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %12) #6
  %26 = getelementptr inbounds i8, ptr %3, i64 72
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %26) #6
  %27 = getelementptr inbounds i8, ptr %3, i64 48
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %27) #6
  %28 = getelementptr inbounds i8, ptr %3, i64 24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %28) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %10) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 96, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %1) #6
  ret i32 0

.thread:                                          ; preds = %0
  %29 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #6
  br label %.loopexit

30:                                               ; preds = %13
  %31 = landingpad { ptr, i32 }
          cleanup
  br label %45

32:                                               ; preds = %15
  %33 = landingpad { ptr, i32 }
          cleanup
  br label %44

34:                                               ; preds = %17
  %35 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit35

36:                                               ; preds = %19
  %37 = landingpad { ptr, i32 }
          cleanup
  br label %.loopexit35.loopexit

38:                                               ; preds = %23, %20
  %39 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  br label %.loopexit35.loopexit

.loopexit35.loopexit:                             ; preds = %38, %36
  %.pn = phi { ptr, i32 } [ %39, %38 ], [ %37, %36 ]
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %12) #6
  %40 = getelementptr inbounds i8, ptr %3, i64 72
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %40) #6
  %41 = getelementptr inbounds i8, ptr %3, i64 48
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %41) #6
  %42 = getelementptr inbounds i8, ptr %3, i64 24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %42) #6
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %.loopexit35

.loopexit35:                                      ; preds = %.loopexit35.loopexit, %34
  %.pn.pn = phi { ptr, i32 } [ %35, %34 ], [ %.pn, %.loopexit35.loopexit ]
  %43 = phi i1 [ false, %34 ], [ true, %.loopexit35.loopexit ]
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %11) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %10) #6
  br label %44

44:                                               ; preds = %.loopexit35, %32
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %.loopexit35 ], [ %33, %32 ]
  %.012 = phi ptr [ %18, %.loopexit35 ], [ %16, %32 ]
  %.1 = phi i1 [ %43, %.loopexit35 ], [ false, %32 ]
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #6
  br label %45

45:                                               ; preds = %30, %44
  %.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn.pn, %44 ], [ %31, %30 ]
  %.113 = phi ptr [ %.012, %44 ], [ %14, %30 ]
  %.2 = phi i1 [ %.1, %44 ], [ false, %30 ]
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #6
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #6
  br i1 %.2, label %.loopexit, label %.preheader

.preheader:                                       ; preds = %45, %.preheader
  %46 = phi ptr [ %47, %.preheader ], [ %.113, %45 ]
  %47 = getelementptr inbounds i8, ptr %46, i64 -24
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %47) #6
  %48 = icmp eq ptr %47, %3
  br i1 %48, label %.loopexit, label %.preheader

.loopexit:                                        ; preds = %.preheader, %.thread, %45
  %.pn.pn.pn.pn.pn34 = phi { ptr, i32 } [ %29, %.thread ], [ %.pn.pn.pn.pn, %45 ], [ %.pn.pn.pn.pn, %.preheader ]
  call void @llvm.lifetime.end.p0(i64 96, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn.pn.pn.pn.pn34
}

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

; 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 #2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN8Solution11diagonalSumESt6vectorIS0_IiSaIiEESaIS2_EE(ptr noundef nonnull align 1 dereferenceable(1), ptr noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 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 #5 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2ESt16initializer_listIS1_ERKS2_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 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 @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

attributes #0 = { mustprogress norecurse 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 = { 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 #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 = { 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 #5 = { 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 #6 = { 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"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopSimplifyPass,LoopUnrollPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass