; LLVM IR from xirc/cp-algorithm :: atcoder/abc191/E/main.ll (Z8dijkstraiRSt6vectorIiSaIiEE)

; 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.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::vector<std::vector<int>>, std::allocator<std::vector<std::vector<int>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::vector<int>>, std::allocator<std::vector<std::vector<int>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::vector<int>>, std::allocator<std::vector<std::vector<int>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::vector<int>>, std::allocator<std::vector<std::vector<int>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::priority_queue" = type <{ %"class.std::vector.10", [8 x i8] }>
%"class.std::vector.10" = type { %"struct.std::_Vector_base.11" }
%"struct.std::_Vector_base.11" = type { %"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::array" = type { [2 x i32] }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@N = external dso_local global i32, align 4
@G = external dso_local global %"class.std::vector.0", align 8
@_ZL3inf = external hidden constant i32, align 4

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8dijkstraiRSt6vectorIiSaIiEE(i32 noundef %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::priority_queue", align 8
  %6 = alloca %"struct.std::array", align 4
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"struct.std::array", align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca ptr, align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca ptr, align 8
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca %"struct.std::array", align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !9
  %20 = load ptr, ptr %4, align 8, !tbaa !9
  %21 = load i32, ptr @N, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  call void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24) %20, i64 noundef %22, ptr noundef nonnull align 4 dereferenceable(4) @_ZL3inf)
  call void @llvm.lifetime.start.p0(i64 32, ptr %5) #5
  call void @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(25) %5)
  %23 = load ptr, ptr %4, align 8, !tbaa !9
  %24 = load i32, ptr %3, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %23, i64 noundef %25) #5
  store i32 0, ptr %26, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %27 = getelementptr inbounds %"struct.std::array", ptr %6, i32 0, i32 0
  store i32 0, ptr %27, align 4, !tbaa !5
  %28 = getelementptr inbounds i32, ptr %27, i64 1
  %29 = load i32, ptr %3, align 4, !tbaa !5
  store i32 %29, ptr %28, align 4, !tbaa !5
  invoke void @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(25) %5, ptr noundef nonnull align 4 dereferenceable(8) %6)
          to label %30 unwind label %51

30:                                               ; preds = %2
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %31

31:                                               ; preds = %118, %116, %30
  %32 = invoke noundef i64 @_ZNKSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(25) %5)
          to label %33 unwind label %55

33:                                               ; preds = %31
  %34 = icmp ne i64 %32, 0
  br i1 %34, label %35, label %120

35:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  %36 = invoke noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %5)
          to label %37 unwind label %59

37:                                               ; preds = %35
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %9, ptr align 4 %36, i64 8, i1 false), !tbaa.struct !11
  invoke void @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %5)
          to label %38 unwind label %59

38:                                               ; preds = %37
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  %39 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIiLm2EEixEm(ptr noundef nonnull align 4 dereferenceable(8) %9, i64 noundef 0) #5
  %40 = load i32, ptr %39, align 4, !tbaa !5
  store i32 %40, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #5
  %41 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIiLm2EEixEm(ptr noundef nonnull align 4 dereferenceable(8) %9, i64 noundef 1) #5
  %42 = load i32, ptr %41, align 4, !tbaa !5
  store i32 %42, ptr %11, align 4, !tbaa !5
  %43 = load i32, ptr %10, align 4, !tbaa !5
  %44 = load ptr, ptr %4, align 8, !tbaa !9
  %45 = load i32, ptr %11, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %44, i64 noundef %46) #5
  %48 = load i32, ptr %47, align 4, !tbaa !5
  %49 = icmp sgt i32 %43, %48
  br i1 %49, label %50, label %63

50:                                               ; preds = %38
  store i32 2, ptr %12, align 4
  br label %116, !llvm.loop !13

51:                                               ; preds = %2
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %7, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %121

55:                                               ; preds = %31
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %7, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %8, align 4
  br label %121

59:                                               ; preds = %37, %35
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %7, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %8, align 4
  br label %119

63:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  %64 = load i32, ptr %11, align 4, !tbaa !5
  %65 = sext i32 %64 to i64
  %66 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IS_IiSaIiEESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @G, i64 noundef %65) #5
  store ptr %66, ptr %13, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  %67 = load ptr, ptr %13, align 8, !tbaa !9
  %68 = call ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %67) #5
  %69 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %68, ptr %69, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  %70 = load ptr, ptr %13, align 8, !tbaa !9
  %71 = call ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %70) #5
  %72 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %71, ptr %72, align 8
  br label %73

73:                                               ; preds = %113, %63
  %74 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %14, ptr noundef nonnull align 8 dereferenceable(8) %15) #5
  br i1 %74, label %76, label %75

75:                                               ; preds = %73
  store i32 4, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %115

76:                                               ; preds = %73
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  %77 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #5
  store ptr %77, ptr %16, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #5
  %78 = load ptr, ptr %16, align 8, !tbaa !9
  %79 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %78, i64 noundef 1) #5
  %80 = load i32, ptr %79, align 4, !tbaa !5
  store i32 %80, ptr %17, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #5
  %81 = load ptr, ptr %16, align 8, !tbaa !9
  %82 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %81, i64 noundef 0) #5
  %83 = load i32, ptr %82, align 4, !tbaa !5
  store i32 %83, ptr %18, align 4, !tbaa !5
  %84 = load ptr, ptr %4, align 8, !tbaa !9
  %85 = load i32, ptr %18, align 4, !tbaa !5
  %86 = sext i32 %85 to i64
  %87 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %84, i64 noundef %86) #5
  %88 = load i32, ptr %87, align 4, !tbaa !5
  %89 = load i32, ptr %10, align 4, !tbaa !5
  %90 = load i32, ptr %17, align 4, !tbaa !5
  %91 = add nsw i32 %89, %90
  %92 = icmp sgt i32 %88, %91
  br i1 %92, label %93, label %112

93:                                               ; preds = %76
  %94 = load i32, ptr %10, align 4, !tbaa !5
  %95 = load i32, ptr %17, align 4, !tbaa !5
  %96 = add nsw i32 %94, %95
  %97 = load ptr, ptr %4, align 8, !tbaa !9
  %98 = load i32, ptr %18, align 4, !tbaa !5
  %99 = sext i32 %98 to i64
  %100 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %97, i64 noundef %99) #5
  store i32 %96, ptr %100, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #5
  %101 = getelementptr inbounds %"struct.std::array", ptr %19, i32 0, i32 0
  %102 = load i32, ptr %10, align 4, !tbaa !5
  %103 = load i32, ptr %17, align 4, !tbaa !5
  %104 = add nsw i32 %102, %103
  store i32 %104, ptr %101, align 4, !tbaa !5
  %105 = getelementptr inbounds i32, ptr %101, i64 1
  %106 = load i32, ptr %18, align 4, !tbaa !5
  store i32 %106, ptr %105, align 4, !tbaa !5
  invoke void @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(25) %5, ptr noundef nonnull align 4 dereferenceable(8) %19)
          to label %107 unwind label %108

107:                                              ; preds = %93
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #5
  br label %112

108:                                              ; preds = %93
  %109 = landingpad { ptr, i32 }
          cleanup
  %110 = extractvalue { ptr, i32 } %109, 0
  store ptr %110, ptr %7, align 8
  %111 = extractvalue { ptr, i32 } %109, 1
  store i32 %111, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  br label %119

112:                                              ; preds = %107, %76
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  br label %113

113:                                              ; preds = %112
  %114 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %14) #5
  br label %73

115:                                              ; preds = %75
  store i32 0, ptr %12, align 4
  br label %116

116:                                              ; preds = %115, %50
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  %117 = load i32, ptr %12, align 4
  switch i32 %117, label %127 [
    i32 0, label %118
    i32 2, label %31
  ]

118:                                              ; preds = %116
  br label %31, !llvm.loop !13

119:                                              ; preds = %108, %59
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  br label %121

120:                                              ; preds = %33
  call void @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %5) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #5
  ret void

121:                                              ; preds = %119, %55, %51
  call void @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %5) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #5
  br label %122

122:                                              ; preds = %121
  %123 = load ptr, ptr %7, align 8
  %124 = load i32, ptr %8, align 4
  %125 = insertvalue { ptr, i32 } poison, ptr %123, 0
  %126 = insertvalue { ptr, i32 } %125, i32 %124, 1
  resume { ptr, i32 } %126

127:                                              ; preds = %116
  unreachable
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; 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 @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #2 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) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 4 dereferenceable(8)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; 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 noundef i64 @_ZNKSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(25)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25)) #2 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIiLm2EEixEm(ptr noundef nonnull align 4 dereferenceable(8), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IS_IiSaIiEESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #4 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { inlinehint 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 = { nounwind }

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

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


; 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.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::vector<std::vector<int>>, std::allocator<std::vector<std::vector<int>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<std::vector<int>>, std::allocator<std::vector<std::vector<int>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<std::vector<int>>, std::allocator<std::vector<std::vector<int>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<std::vector<int>>, std::allocator<std::vector<std::vector<int>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::priority_queue" = type <{ %"class.std::vector.10", [8 x i8] }>
%"class.std::vector.10" = type { %"struct.std::_Vector_base.11" }
%"struct.std::_Vector_base.11" = type { %"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::array<int, 2>, std::allocator<std::array<int, 2>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"struct.std::array" = type { [2 x i32] }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@N = external dso_local local_unnamed_addr global i32, align 4
@G = external dso_local global %"class.std::vector.0", align 8
@_ZL3inf = external hidden constant i32, align 4

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8dijkstraiRSt6vectorIiSaIiEE(i32 noundef %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::priority_queue", align 8
  %4 = alloca %"struct.std::array", align 4
  %5 = alloca %"struct.std::array", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"struct.std::array", align 4
  %9 = load i32, ptr @N, align 4, !tbaa !5
  %10 = sext i32 %9 to i64
  tail call void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %10, ptr noundef nonnull align 4 dereferenceable(4) @_ZL3inf)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #4
  call void @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
  %11 = sext i32 %0 to i64
  %12 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %11) #4
  store i32 0, ptr %12, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  store i32 0, ptr %4, align 4, !tbaa !5
  %13 = getelementptr inbounds i8, ptr %4, i64 4
  store i32 %0, ptr %13, align 4, !tbaa !5
  invoke void @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(25) %3, ptr noundef nonnull align 4 dereferenceable(8) %4)
          to label %14 unwind label %29

14:                                               ; preds = %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  %15 = call noundef i64 @_ZNKSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
  %.not30 = icmp eq i64 %15, 0
  br i1 %.not30, label %._crit_edge33, label %.lr.ph32

.lr.ph32:                                         ; preds = %14
  %16 = getelementptr inbounds i8, ptr %8, i64 4
  br label %17

17:                                               ; preds = %.lr.ph32, %56
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %18 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
  %19 = load i64, ptr %18, align 4, !tbaa !9
  store i64 %19, ptr %5, align 8, !tbaa !9
  invoke void @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
          to label %20 unwind label %31

20:                                               ; preds = %17
  %21 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIiLm2EEixEm(ptr noundef nonnull align 4 dereferenceable(8) %5, i64 noundef 0) #4
  %22 = load i32, ptr %21, align 4, !tbaa !5
  %23 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIiLm2EEixEm(ptr noundef nonnull align 4 dereferenceable(8) %5, i64 noundef 1) #4
  %24 = load i32, ptr %23, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %25) #4
  %27 = load i32, ptr %26, align 4, !tbaa !5
  %28 = icmp sgt i32 %22, %27
  br i1 %28, label %56, label %33, !llvm.loop !10

29:                                               ; preds = %2
  %30 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  br label %59

31:                                               ; preds = %17
  %32 = landingpad { ptr, i32 }
          cleanup
  br label %58

33:                                               ; preds = %20
  %34 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IS_IiSaIiEESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @G, i64 noundef %25) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  %35 = call ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %34) #4
  store ptr %35, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %36 = call ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %34) #4
  store ptr %36, ptr %7, align 8
  %37 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br i1 %37, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %53, %33
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  br label %56

.lr.ph:                                           ; preds = %33, %53
  %38 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  %39 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %38, i64 noundef 1) #4
  %40 = load i32, ptr %39, align 4, !tbaa !5
  %41 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %38, i64 noundef 0) #4
  %42 = load i32, ptr %41, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %43) #4
  %45 = load i32, ptr %44, align 4, !tbaa !5
  %46 = add nsw i32 %40, %22
  %47 = icmp sgt i32 %45, %46
  br i1 %47, label %48, label %53

48:                                               ; preds = %.lr.ph
  %49 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %43) #4
  store i32 %46, ptr %49, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  store i32 %46, ptr %8, align 4, !tbaa !5
  store i32 %42, ptr %16, align 4, !tbaa !5
  invoke void @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(25) %3, ptr noundef nonnull align 4 dereferenceable(8) %8)
          to label %50 unwind label %51

50:                                               ; preds = %48
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  br label %53

51:                                               ; preds = %48
  %52 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  br label %58

53:                                               ; preds = %50, %.lr.ph
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #4
  %55 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  br i1 %55, label %.lr.ph, label %._crit_edge

56:                                               ; preds = %20, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  %57 = call noundef i64 @_ZNKSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(25) %3)
  %.not = icmp eq i64 %57, 0
  br i1 %.not, label %._crit_edge33, label %17

58:                                               ; preds = %51, %31
  %.pn = phi { ptr, i32 } [ %52, %51 ], [ %32, %31 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  br label %59

._crit_edge33:                                    ; preds = %56, %14
  call void @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %3) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #4
  ret void

59:                                               ; preds = %58, %29
  %.pn.pn = phi { ptr, i32 } [ %.pn, %58 ], [ %30, %29 ]
  call void @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %3) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #4
  resume { ptr, i32 } %.pn.pn
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE6assignEmRKi(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; 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 @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #2 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 #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; 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 noundef i64 @_ZNKSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5arrayIiLm2EEixEm(ptr noundef nonnull align 4 dereferenceable(8), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IS_IiSaIiEESaIS1_EESaIS3_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES1_IS3_SaIS3_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueISt5arrayIiLm2EESt6vectorIS1_SaIS1_EESt7greaterIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #3 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress 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 #4 = { 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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass