; LLVM IR from Tudor67/Competitive-Programming :: Codeforces/#710#div3/F/F.ll (Z5solveRSiRSo)

; 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::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

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

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_Z11getCCParamsRKSt4pairIiiE(ptr noundef nonnull align 4 dereferenceable(8)) #0

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) 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 uwtable
define dso_local void @_Z5solveRSiRSo(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(8) %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::pair", align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca %"struct.std::pair", align 4
  %20 = alloca %"struct.std::pair", align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %21, ptr noundef nonnull align 4 dereferenceable(4) %5)
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #5
  %23 = load i32, ptr %5, align 4, !tbaa !9
  %24 = add nsw i32 %23, 1
  %25 = sext i32 %24 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #5
  call void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %25, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %26 unwind label %35

26:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #5
  store i32 1, ptr %11, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #5
  store i32 1, ptr %12, align 4, !tbaa !9
  invoke void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8) %10, ptr noundef nonnull align 4 dereferenceable(4) %11, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %27 unwind label %39

27:                                               ; preds = %26
  %28 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef 0) #5
  %29 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8) %28, ptr noundef nonnull align 4 dereferenceable(8) %10) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #5
  store i32 1, ptr %13, align 4, !tbaa !9
  br label %30

30:                                               ; preds = %51, %27
  %31 = load i32, ptr %13, align 4, !tbaa !9
  %32 = load i32, ptr %5, align 4, !tbaa !9
  %33 = icmp sle i32 %31, %32
  br i1 %33, label %43, label %34

34:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  br label %58

35:                                               ; preds = %2
  %36 = landingpad { ptr, i32 }
          cleanup
  %37 = extractvalue { ptr, i32 } %36, 0
  store ptr %37, ptr %8, align 8
  %38 = extractvalue { ptr, i32 } %36, 1
  store i32 %38, ptr %9, align 4
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #5
  br label %173

39:                                               ; preds = %26
  %40 = landingpad { ptr, i32 }
          cleanup
  %41 = extractvalue { ptr, i32 } %40, 0
  store ptr %41, ptr %8, align 8
  %42 = extractvalue { ptr, i32 } %40, 1
  store i32 %42, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %172

43:                                               ; preds = %30
  %44 = load ptr, ptr %3, align 8, !tbaa !5
  %45 = load i32, ptr %13, align 4, !tbaa !9
  %46 = sext i32 %45 to i64
  %47 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %46) #5
  %48 = getelementptr inbounds %"struct.std::pair", ptr %47, i32 0, i32 0
  %49 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %44, ptr noundef nonnull align 4 dereferenceable(4) %48)
          to label %50 unwind label %54

50:                                               ; preds = %43
  br label %51

51:                                               ; preds = %50
  %52 = load i32, ptr %13, align 4, !tbaa !9
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %13, align 4, !tbaa !9
  br label %30, !llvm.loop !11

54:                                               ; preds = %43
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %8, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  br label %172

58:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #5
  store i32 1, ptr %14, align 4, !tbaa !9
  br label %59

59:                                               ; preds = %72, %58
  %60 = load i32, ptr %14, align 4, !tbaa !9
  %61 = load i32, ptr %5, align 4, !tbaa !9
  %62 = icmp sle i32 %60, %61
  br i1 %62, label %64, label %63

63:                                               ; preds = %59
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  br label %79

64:                                               ; preds = %59
  %65 = load ptr, ptr %3, align 8, !tbaa !5
  %66 = load i32, ptr %14, align 4, !tbaa !9
  %67 = sext i32 %66 to i64
  %68 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %67) #5
  %69 = getelementptr inbounds %"struct.std::pair", ptr %68, i32 0, i32 1
  %70 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %65, ptr noundef nonnull align 4 dereferenceable(4) %69)
          to label %71 unwind label %75

71:                                               ; preds = %64
  br label %72

72:                                               ; preds = %71
  %73 = load i32, ptr %14, align 4, !tbaa !9
  %74 = add nsw i32 %73, 1
  store i32 %74, ptr %14, align 4, !tbaa !9
  br label %59, !llvm.loop !13

75:                                               ; preds = %64
  %76 = landingpad { ptr, i32 }
          cleanup
  %77 = extractvalue { ptr, i32 } %76, 0
  store ptr %77, ptr %8, align 8
  %78 = extractvalue { ptr, i32 } %76, 1
  store i32 %78, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  br label %172

79:                                               ; preds = %63
  %80 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  %81 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %80, ptr %81, align 8
  %82 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  %83 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  store ptr %82, ptr %83, align 8
  %84 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  %85 = load ptr, ptr %84, align 8
  %86 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  %87 = load ptr, ptr %86, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %85, ptr %87)
          to label %88 unwind label %94

88:                                               ; preds = %79
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #5
  store i32 0, ptr %17, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #5
  store i32 1, ptr %18, align 4, !tbaa !9
  br label %89

89:                                               ; preds = %156, %88
  %90 = load i32, ptr %18, align 4, !tbaa !9
  %91 = load i32, ptr %5, align 4, !tbaa !9
  %92 = icmp sle i32 %90, %91
  br i1 %92, label %98, label %93

93:                                               ; preds = %89
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  br label %160

94:                                               ; preds = %79
  %95 = landingpad { ptr, i32 }
          cleanup
  %96 = extractvalue { ptr, i32 } %95, 0
  store ptr %96, ptr %8, align 8
  %97 = extractvalue { ptr, i32 } %95, 1
  store i32 %97, ptr %9, align 4
  br label %172

98:                                               ; preds = %89
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #5
  %99 = load i32, ptr %18, align 4, !tbaa !9
  %100 = sub nsw i32 %99, 1
  %101 = sext i32 %100 to i64
  %102 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %101) #5
  %103 = invoke i64 @_Z11getCCParamsRKSt4pairIiiE(ptr noundef nonnull align 4 dereferenceable(8) %102)
          to label %104 unwind label %138

104:                                              ; preds = %98
  store i64 %103, ptr %19, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #5
  %105 = load i32, ptr %18, align 4, !tbaa !9
  %106 = sext i32 %105 to i64
  %107 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %106) #5
  %108 = invoke i64 @_Z11getCCParamsRKSt4pairIiiE(ptr noundef nonnull align 4 dereferenceable(8) %107)
          to label %109 unwind label %142

109:                                              ; preds = %104
  store i64 %108, ptr %20, align 4
  %110 = getelementptr inbounds %"struct.std::pair", ptr %19, i32 0, i32 0
  %111 = load i32, ptr %110, align 4, !tbaa !14
  %112 = getelementptr inbounds %"struct.std::pair", ptr %20, i32 0, i32 0
  %113 = load i32, ptr %112, align 4, !tbaa !14
  %114 = icmp eq i32 %111, %113
  br i1 %114, label %115, label %147

115:                                              ; preds = %109
  %116 = getelementptr inbounds %"struct.std::pair", ptr %19, i32 0, i32 1
  %117 = load i32, ptr %116, align 4, !tbaa !16
  %118 = icmp eq i32 %117, 0
  br i1 %118, label %119, label %146

119:                                              ; preds = %115
  %120 = getelementptr inbounds %"struct.std::pair", ptr %20, i32 0, i32 1
  %121 = load i32, ptr %120, align 4, !tbaa !16
  %122 = icmp eq i32 %121, 0
  br i1 %122, label %123, label %146

123:                                              ; preds = %119
  %124 = load i32, ptr %18, align 4, !tbaa !9
  %125 = sext i32 %124 to i64
  %126 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %125) #5
  %127 = getelementptr inbounds %"struct.std::pair", ptr %126, i32 0, i32 0
  %128 = load i32, ptr %127, align 4, !tbaa !14
  %129 = load i32, ptr %18, align 4, !tbaa !9
  %130 = sub nsw i32 %129, 1
  %131 = sext i32 %130 to i64
  %132 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %131) #5
  %133 = getelementptr inbounds %"struct.std::pair", ptr %132, i32 0, i32 0
  %134 = load i32, ptr %133, align 4, !tbaa !14
  %135 = sub nsw i32 %128, %134
  %136 = load i32, ptr %17, align 4, !tbaa !9
  %137 = add nsw i32 %136, %135
  store i32 %137, ptr %17, align 4, !tbaa !9
  br label %146

138:                                              ; preds = %98
  %139 = landingpad { ptr, i32 }
          cleanup
  %140 = extractvalue { ptr, i32 } %139, 0
  store ptr %140, ptr %8, align 8
  %141 = extractvalue { ptr, i32 } %139, 1
  store i32 %141, ptr %9, align 4
  br label %159

142:                                              ; preds = %104
  %143 = landingpad { ptr, i32 }
          cleanup
  %144 = extractvalue { ptr, i32 } %143, 0
  store ptr %144, ptr %8, align 8
  %145 = extractvalue { ptr, i32 } %143, 1
  store i32 %145, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #5
  br label %159

146:                                              ; preds = %123, %119, %115
  br label %155

147:                                              ; preds = %109
  %148 = getelementptr inbounds %"struct.std::pair", ptr %20, i32 0, i32 0
  %149 = load i32, ptr %148, align 4, !tbaa !14
  %150 = getelementptr inbounds %"struct.std::pair", ptr %19, i32 0, i32 0
  %151 = load i32, ptr %150, align 4, !tbaa !14
  %152 = sub nsw i32 %149, %151
  %153 = load i32, ptr %17, align 4, !tbaa !9
  %154 = add nsw i32 %153, %152
  store i32 %154, ptr %17, align 4, !tbaa !9
  br label %155

155:                                              ; preds = %147, %146
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #5
  br label %156

156:                                              ; preds = %155
  %157 = load i32, ptr %18, align 4, !tbaa !9
  %158 = add nsw i32 %157, 1
  store i32 %158, ptr %18, align 4, !tbaa !9
  br label %89, !llvm.loop !17

159:                                              ; preds = %142, %138
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  br label %171

160:                                              ; preds = %93
  %161 = load ptr, ptr %4, align 8, !tbaa !5
  %162 = load i32, ptr %17, align 4, !tbaa !9
  %163 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %161, i32 noundef %162)
          to label %164 unwind label %167

164:                                              ; preds = %160
  %165 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %163, ptr noundef @.str)
          to label %166 unwind label %167

166:                                              ; preds = %164
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #5
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  ret void

167:                                              ; preds = %164, %160
  %168 = landingpad { ptr, i32 }
          cleanup
  %169 = extractvalue { ptr, i32 } %168, 0
  store ptr %169, ptr %8, align 8
  %170 = extractvalue { ptr, i32 } %168, 1
  store i32 %170, ptr %9, align 4
  br label %171

171:                                              ; preds = %167, %159
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #5
  br label %172

172:                                              ; preds = %171, %94, %75, %54, %39
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  br label %173

173:                                              ; preds = %172, %35
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %174

174:                                              ; preds = %173
  %175 = load ptr, ptr %8, align 8
  %176 = load i32, ptr %9, align 4
  %177 = insertvalue { ptr, i32 } poison, ptr %175, 0
  %178 = insertvalue { ptr, i32 } %177, i32 %176, 1
  resume { ptr, i32 } %178
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, 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 noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = !{!15, !10, i64 0}
!15 = !{!"_ZTSSt4pairIiiE", !10, i64 0, !10, i64 4}
!16 = !{!15, !10, i64 4}
!17 = distinct !{!17, !12}


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

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"struct.std::pair" = type { i32, i32 }

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

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_Z11getCCParamsRKSt4pairIiiE(ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #0

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) 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 uwtable
define dso_local void @_Z5solveRSiRSo(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(8) %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"struct.std::pair", align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #5
  %9 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #5
  %10 = load i32, ptr %3, align 4, !tbaa !5
  %11 = add nsw i32 %10, 1
  %12 = sext i32 %11 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #5
  call void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %12, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %13 unwind label %18

13:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #5
  store i32 1, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #5
  store i32 1, ptr %8, align 4, !tbaa !5
  call void @_ZNSt4pairIiiEC2IiiTnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS3_S4_EEEbE4typeELb1EEEOS3_OS4_(ptr noundef nonnull align 4 dereferenceable(8) %6, ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %14 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 0) #5
  %15 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8) %14, ptr noundef nonnull align 4 dereferenceable(8) %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  %16 = load i32, ptr %3, align 4, !tbaa !5
  %.not47 = icmp slt i32 %16, 1
  br i1 %.not47, label %._crit_edge, label %.lr.ph

.preheader44:                                     ; preds = %22
  %17 = icmp slt i32 %23, 1
  br i1 %17, label %._crit_edge, label %.lr.ph51

18:                                               ; preds = %2
  %19 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  br label %75

.lr.ph:                                           ; preds = %13, %22
  %indvars.iv = phi i64 [ %indvars.iv.next, %22 ], [ 1, %13 ]
  %20 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv) #5
  %21 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 4 dereferenceable(4) %20)
          to label %22 unwind label %25

22:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %23 = load i32, ptr %3, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  %.not.not = icmp slt i64 %indvars.iv, %24
  br i1 %.not.not, label %.lr.ph, label %.preheader44, !llvm.loop !9

25:                                               ; preds = %.lr.ph
  %26 = landingpad { ptr, i32 }
          cleanup
  br label %74

._crit_edge:                                      ; preds = %33, %13, %.preheader44
  %27 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  %28 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr %27, ptr %28)
          to label %.preheader unwind label %39

.preheader:                                       ; preds = %._crit_edge
  %29 = load i32, ptr %3, align 4, !tbaa !5
  %.not3852 = icmp slt i32 %29, 1
  br i1 %.not3852, label %._crit_edge56, label %.lr.ph55

.lr.ph51:                                         ; preds = %.preheader44, %33
  %indvars.iv58 = phi i64 [ %indvars.iv.next59, %33 ], [ 1, %.preheader44 ]
  %30 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv58) #5
  %31 = getelementptr inbounds i8, ptr %30, i64 4
  %32 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 4 dereferenceable(4) %31)
          to label %33 unwind label %36

33:                                               ; preds = %.lr.ph51
  %indvars.iv.next59 = add nuw nsw i64 %indvars.iv58, 1
  %34 = load i32, ptr %3, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  %.not37.not = icmp slt i64 %indvars.iv58, %35
  br i1 %.not37.not, label %.lr.ph51, label %._crit_edge, !llvm.loop !11

36:                                               ; preds = %.lr.ph51
  %37 = landingpad { ptr, i32 }
          cleanup
  br label %74

._crit_edge56:                                    ; preds = %66, %.preheader
  %.035.lcssa = phi i32 [ 0, %.preheader ], [ %.136, %66 ]
  %38 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %1, i32 noundef %.035.lcssa)
          to label %69 unwind label %72

39:                                               ; preds = %._crit_edge
  %40 = landingpad { ptr, i32 }
          cleanup
  br label %74

.lr.ph55:                                         ; preds = %.preheader, %66
  %indvars.iv61 = phi i64 [ %indvars.iv.next62, %66 ], [ 1, %.preheader ]
  %.03553 = phi i32 [ %.136, %66 ], [ 0, %.preheader ]
  %41 = add nsw i64 %indvars.iv61, -1
  %42 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %41) #5
  %43 = invoke i64 @_Z11getCCParamsRKSt4pairIiiE(ptr noundef nonnull align 4 dereferenceable(8) %42)
          to label %44 unwind label %59

44:                                               ; preds = %.lr.ph55
  %.sroa.04.0.extract.trunc = trunc i64 %43 to i32
  %45 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv61) #5
  %46 = invoke i64 @_Z11getCCParamsRKSt4pairIiiE(ptr noundef nonnull align 4 dereferenceable(8) %45)
          to label %47 unwind label %61

47:                                               ; preds = %44
  %.sroa.0.0.extract.trunc = trunc i64 %46 to i32
  %48 = icmp eq i32 %.sroa.04.0.extract.trunc, %.sroa.0.0.extract.trunc
  br i1 %48, label %49, label %63

49:                                               ; preds = %47
  %50 = icmp ult i64 %43, 4294967296
  %51 = icmp ult i64 %46, 4294967296
  %or.cond = select i1 %50, i1 %51, i1 false
  br i1 %or.cond, label %52, label %66

52:                                               ; preds = %49
  %53 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv61) #5
  %54 = load i32, ptr %53, align 4, !tbaa !12
  %55 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %41) #5
  %56 = load i32, ptr %55, align 4, !tbaa !12
  %57 = add i32 %54, %.03553
  %58 = sub i32 %57, %56
  br label %66

59:                                               ; preds = %.lr.ph55
  %60 = landingpad { ptr, i32 }
          cleanup
  br label %74

61:                                               ; preds = %44
  %62 = landingpad { ptr, i32 }
          cleanup
  br label %74

63:                                               ; preds = %47
  %64 = sub i32 %.03553, %.sroa.04.0.extract.trunc
  %65 = add i32 %64, %.sroa.0.0.extract.trunc
  br label %66

66:                                               ; preds = %49, %52, %63
  %.136 = phi i32 [ %58, %52 ], [ %.03553, %49 ], [ %65, %63 ]
  %indvars.iv.next62 = add nuw nsw i64 %indvars.iv61, 1
  %67 = load i32, ptr %3, align 4, !tbaa !5
  %68 = sext i32 %67 to i64
  %.not38.not = icmp slt i64 %indvars.iv61, %68
  br i1 %.not38.not, label %.lr.ph55, label %._crit_edge56, !llvm.loop !14

69:                                               ; preds = %._crit_edge56
  %70 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %38, ptr noundef nonnull @.str)
          to label %71 unwind label %72

71:                                               ; preds = %69
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  ret void

72:                                               ; preds = %69, %._crit_edge56
  %73 = landingpad { ptr, i32 }
          cleanup
  br label %74

74:                                               ; preds = %72, %61, %59, %39, %36, %25
  %.pn41 = phi { ptr, i32 } [ %26, %25 ], [ %37, %36 ], [ %40, %39 ], [ %73, %72 ], [ %62, %61 ], [ %60, %59 ]
  call void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  br label %75

75:                                               ; preds = %74, %18
  %.pn41.pn = phi { ptr, i32 } [ %.pn41, %74 ], [ %19, %18 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  resume { ptr, i32 } %.pn41.pn
}

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt4pairIiiEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, 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 noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorISt4pairIiiESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt4pairIiiEaSEOS0_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS3_SaIS3_EEEEEvT_S9_(ptr, ptr) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt4pairIiiESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt4pairIiiEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = !{!13, !6, i64 0}
!13 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!14 = distinct !{!14, !10}


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