; LLVM IR from sunkafei/xcpc-algorithm-templates :: 算法/图论/Dijkstra算法.ll (ZN13fast_dijkstra8dijkstraEv)

; 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::priority_queue" = type <{ %"class.std::vector", [8 x i8] }>
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@s = external dso_local global i32, align 4
@_ZN13fast_dijkstra1GE = external dso_local global [210000 x %"class.std::vector"], align 16
@_ZN13fast_dijkstra1dE = external dso_local global [210000 x i32], align 16

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #0

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

; 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 @_ZN13fast_dijkstra8dijkstraEv() #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::priority_queue", align 8
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca %"struct.std::pair", align 4
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"struct.std::pair", align 4
  %13 = alloca ptr, align 8
  %14 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr %1) #6
  call void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(25) %1)
  call void @llvm.memset.p0.i64(ptr align 16 @_ZN13fast_dijkstra1dE, i8 63, i64 840000, i1 false)
  %15 = load i32, ptr @s, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [210000 x i32], ptr @_ZN13fast_dijkstra1dE, i64 0, i64 %16
  store i32 0, ptr %17, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  store i32 0, ptr %2, align 4, !tbaa !5
  invoke void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE7emplaceIJiRiEEEvDpOT_(ptr noundef nonnull align 8 dereferenceable(25) %1, ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 4 dereferenceable(4) @s)
          to label %18 unwind label %38

18:                                               ; preds = %0
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %19

19:                                               ; preds = %115, %113, %18
  %20 = invoke noundef zeroext i1 @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) %1)
          to label %21 unwind label %42

21:                                               ; preds = %19
  %22 = xor i1 %20, true
  br i1 %22, label %23, label %118

23:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %24 = invoke noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %1)
          to label %25 unwind label %46

25:                                               ; preds = %23
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %5, ptr align 4 %24, i64 8, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  %26 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm0EiiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 4 dereferenceable(8) %5) #6
  store ptr %26, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  %27 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm1EiiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 4 dereferenceable(8) %5) #6
  store ptr %27, ptr %7, align 8, !tbaa !9
  invoke void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %1)
          to label %28 unwind label %50

28:                                               ; preds = %25
  %29 = load ptr, ptr %6, align 8, !tbaa !9
  %30 = load i32, ptr %29, align 4, !tbaa !5
  %31 = load ptr, ptr %7, align 8, !tbaa !9
  %32 = load i32, ptr %31, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds [210000 x i32], ptr @_ZN13fast_dijkstra1dE, i64 0, i64 %33
  %35 = load i32, ptr %34, align 4, !tbaa !5
  %36 = icmp ne i32 %30, %35
  br i1 %36, label %37, label %54

37:                                               ; preds = %28
  store i32 2, ptr %8, align 4
  br label %113, !llvm.loop !11

38:                                               ; preds = %0
  %39 = landingpad { ptr, i32 }
          cleanup
  %40 = extractvalue { ptr, i32 } %39, 0
  store ptr %40, ptr %3, align 8
  %41 = extractvalue { ptr, i32 } %39, 1
  store i32 %41, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %119

42:                                               ; preds = %19
  %43 = landingpad { ptr, i32 }
          cleanup
  %44 = extractvalue { ptr, i32 } %43, 0
  store ptr %44, ptr %3, align 8
  %45 = extractvalue { ptr, i32 } %43, 1
  store i32 %45, ptr %4, align 4
  br label %119

46:                                               ; preds = %23
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %3, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %4, align 4
  br label %117

50:                                               ; preds = %25
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %3, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %4, align 4
  br label %116

54:                                               ; preds = %28
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %55 = load ptr, ptr %7, align 8, !tbaa !9
  %56 = load i32, ptr %55, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = getelementptr inbounds [210000 x %"class.std::vector"], ptr @_ZN13fast_dijkstra1GE, i64 0, i64 %57
  store ptr %58, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %59 = load ptr, ptr %9, align 8, !tbaa !9
  %60 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %59) #6
  %61 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %60, ptr %61, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %62 = load ptr, ptr %9, align 8, !tbaa !9
  %63 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %62) #6
  %64 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %63, ptr %64, align 8
  br label %65

65:                                               ; preds = %110, %54
  %66 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  br i1 %66, label %68, label %67

67:                                               ; preds = %65
  store i32 4, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %112

68:                                               ; preds = %65
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  %69 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %12, ptr align 4 %69, i64 8, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  %70 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm0EiiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 4 dereferenceable(8) %12) #6
  store ptr %70, ptr %13, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  %71 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm1EiiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 4 dereferenceable(8) %12) #6
  store ptr %71, ptr %14, align 8, !tbaa !9
  %72 = load ptr, ptr %13, align 8, !tbaa !9
  %73 = load i32, ptr %72, align 4, !tbaa !5
  %74 = sext i32 %73 to i64
  %75 = getelementptr inbounds [210000 x i32], ptr @_ZN13fast_dijkstra1dE, i64 0, i64 %74
  %76 = load i32, ptr %75, align 4, !tbaa !5
  %77 = load ptr, ptr %7, align 8, !tbaa !9
  %78 = load i32, ptr %77, align 4, !tbaa !5
  %79 = sext i32 %78 to i64
  %80 = getelementptr inbounds [210000 x i32], ptr @_ZN13fast_dijkstra1dE, i64 0, i64 %79
  %81 = load i32, ptr %80, align 4, !tbaa !5
  %82 = load ptr, ptr %14, align 8, !tbaa !9
  %83 = load i32, ptr %82, align 4, !tbaa !5
  %84 = add nsw i32 %81, %83
  %85 = icmp sgt i32 %76, %84
  br i1 %85, label %86, label %109

86:                                               ; preds = %68
  %87 = load ptr, ptr %7, align 8, !tbaa !9
  %88 = load i32, ptr %87, align 4, !tbaa !5
  %89 = sext i32 %88 to i64
  %90 = getelementptr inbounds [210000 x i32], ptr @_ZN13fast_dijkstra1dE, i64 0, i64 %89
  %91 = load i32, ptr %90, align 4, !tbaa !5
  %92 = load ptr, ptr %14, align 8, !tbaa !9
  %93 = load i32, ptr %92, align 4, !tbaa !5
  %94 = add nsw i32 %91, %93
  %95 = load ptr, ptr %13, align 8, !tbaa !9
  %96 = load i32, ptr %95, align 4, !tbaa !5
  %97 = sext i32 %96 to i64
  %98 = getelementptr inbounds [210000 x i32], ptr @_ZN13fast_dijkstra1dE, i64 0, i64 %97
  store i32 %94, ptr %98, align 4, !tbaa !5
  %99 = load ptr, ptr %13, align 8, !tbaa !9
  %100 = load i32, ptr %99, align 4, !tbaa !5
  %101 = sext i32 %100 to i64
  %102 = getelementptr inbounds [210000 x i32], ptr @_ZN13fast_dijkstra1dE, i64 0, i64 %101
  %103 = load ptr, ptr %13, align 8, !tbaa !9
  invoke void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE7emplaceIJRiS9_EEEvDpOT_(ptr noundef nonnull align 8 dereferenceable(25) %1, ptr noundef nonnull align 4 dereferenceable(4) %102, ptr noundef nonnull align 4 dereferenceable(4) %103)
          to label %104 unwind label %105

104:                                              ; preds = %86
  br label %109

105:                                              ; preds = %86
  %106 = landingpad { ptr, i32 }
          cleanup
  %107 = extractvalue { ptr, i32 } %106, 0
  store ptr %107, ptr %3, align 8
  %108 = extractvalue { ptr, i32 } %106, 1
  store i32 %108, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %116

109:                                              ; preds = %104, %68
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %110

110:                                              ; preds = %109
  %111 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #6
  br label %65

112:                                              ; preds = %67
  store i32 0, ptr %8, align 4
  br label %113

113:                                              ; preds = %112, %37
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  %114 = load i32, ptr %8, align 4
  switch i32 %114, label %125 [
    i32 0, label %115
    i32 2, label %19
  ]

115:                                              ; preds = %113
  br label %19, !llvm.loop !11

116:                                              ; preds = %105, %50
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  br label %117

117:                                              ; preds = %116, %46
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  br label %119

118:                                              ; preds = %21
  call void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %1) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %1) #6
  ret void

119:                                              ; preds = %117, %42, %38
  call void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %1) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %1) #6
  br label %120

120:                                              ; preds = %119
  %121 = load ptr, ptr %3, align 8
  %122 = load i32, ptr %4, align 4
  %123 = insertvalue { ptr, i32 } poison, ptr %121, 0
  %124 = insertvalue { ptr, i32 } %123, i32 %122, 1
  resume { ptr, i32 } %124

125:                                              ; preds = %113
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE7emplaceIJiRiEEEvDpOT_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25)) #3 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) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm0EiiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 4 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm1EiiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 4 dereferenceable(8)) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE7emplaceIJRiS9_EEEvDpOT_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #5 align 2

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = { 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { 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 #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, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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" = 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::priority_queue" = type <{ %"class.std::vector", [8 x i8] }>
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@s = external dso_local global i32, align 4
@_ZN13fast_dijkstra1GE = external dso_local global [210000 x %"class.std::vector"], align 16
@_ZN13fast_dijkstra1dE = external dso_local global [210000 x i32], align 16

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #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 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 @_ZN13fast_dijkstra8dijkstraEv() local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::priority_queue", align 8
  %2 = alloca i32, align 4
  %3 = alloca %"struct.std::pair", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"struct.std::pair", align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #5
  call void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(25) %1)
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(840000) @_ZN13fast_dijkstra1dE, i8 63, i64 840000, i1 false)
  %7 = load i32, ptr @s, align 4, !tbaa !5
  %8 = sext i32 %7 to i64
  %9 = getelementptr inbounds [210000 x i32], ptr @_ZN13fast_dijkstra1dE, i64 0, i64 %8
  store i32 0, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  store i32 0, ptr %2, align 4, !tbaa !5
  invoke void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE7emplaceIJiRiEEEvDpOT_(ptr noundef nonnull align 8 dereferenceable(25) %1, ptr noundef nonnull align 4 dereferenceable(4) %2, ptr noundef nonnull align 4 dereferenceable(4) @s)
          to label %10 unwind label %22

10:                                               ; preds = %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  %11 = call noundef zeroext i1 @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) %1)
  br i1 %11, label %._crit_edge21, label %.lr.ph20

.lr.ph20:                                         ; preds = %10, %55
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %12 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %1)
  %13 = load i64, ptr %12, align 4
  store i64 %13, ptr %3, align 8
  %14 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm0EiiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 4 dereferenceable(8) %3) #5
  %15 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm1EiiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 4 dereferenceable(8) %3) #5
  invoke void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %1)
          to label %16 unwind label %24

16:                                               ; preds = %.lr.ph20
  %17 = load i32, ptr %14, align 4, !tbaa !5
  %18 = load i32, ptr %15, align 4, !tbaa !5
  %19 = sext i32 %18 to i64
  %20 = getelementptr inbounds [210000 x i32], ptr @_ZN13fast_dijkstra1dE, i64 0, i64 %19
  %21 = load i32, ptr %20, align 4, !tbaa !5
  %.not = icmp eq i32 %17, %21
  br i1 %.not, label %26, label %55, !llvm.loop !9

22:                                               ; preds = %0
  %23 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  br label %58

24:                                               ; preds = %.lr.ph20
  %25 = landingpad { ptr, i32 }
          cleanup
  br label %57

26:                                               ; preds = %16
  %27 = getelementptr inbounds [210000 x %"class.std::vector"], ptr @_ZN13fast_dijkstra1GE, i64 0, i64 %19
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %28 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %27) #5
  store ptr %28, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %29 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %27) #5
  store ptr %29, ptr %5, align 8
  %30 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %30, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %52, %26
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  br label %55

.lr.ph:                                           ; preds = %26, %52
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #5
  %31 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %32 = load i64, ptr %31, align 4
  store i64 %32, ptr %6, align 8
  %33 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm0EiiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 4 dereferenceable(8) %6) #5
  %34 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm1EiiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 4 dereferenceable(8) %6) #5
  %35 = load i32, ptr %33, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds [210000 x i32], ptr @_ZN13fast_dijkstra1dE, i64 0, i64 %36
  %38 = load i32, ptr %37, align 4, !tbaa !5
  %39 = load i32, ptr %15, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds [210000 x i32], ptr @_ZN13fast_dijkstra1dE, i64 0, i64 %40
  %42 = load i32, ptr %41, align 4, !tbaa !5
  %43 = load i32, ptr %34, align 4, !tbaa !5
  %44 = add nsw i32 %43, %42
  %45 = icmp sgt i32 %38, %44
  br i1 %45, label %46, label %52

46:                                               ; preds = %.lr.ph
  store i32 %44, ptr %37, align 4, !tbaa !5
  %47 = load i32, ptr %33, align 4, !tbaa !5
  %48 = sext i32 %47 to i64
  %49 = getelementptr inbounds [210000 x i32], ptr @_ZN13fast_dijkstra1dE, i64 0, i64 %48
  invoke void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE7emplaceIJRiS9_EEEvDpOT_(ptr noundef nonnull align 8 dereferenceable(25) %1, ptr noundef nonnull align 4 dereferenceable(4) %49, ptr noundef nonnull align 4 dereferenceable(4) %33)
          to label %52 unwind label %50

50:                                               ; preds = %46
  %51 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  br label %57

52:                                               ; preds = %46, %.lr.ph
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #5
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %54 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %54, label %.lr.ph, label %._crit_edge

55:                                               ; preds = %16, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  %56 = call noundef zeroext i1 @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) %1)
  br i1 %56, label %._crit_edge21, label %.lr.ph20

57:                                               ; preds = %50, %24
  %.pn = phi { ptr, i32 } [ %51, %50 ], [ %25, %24 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  br label %58

._crit_edge21:                                    ; preds = %55, %10
  call void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %1) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #5
  ret void

58:                                               ; preds = %57, %22
  %.pn.pn = phi { ptr, i32 } [ %.pn, %57 ], [ %23, %22 ]
  call void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %1) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE7emplaceIJiRiEEEvDpOT_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm0EiiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm1EiiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EE7emplaceIJRiS9_EEEvDpOT_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) 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_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueISt4pairIiiESt6vectorIS1_SaIS1_EESt7greaterIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #4 align 2

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = { 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 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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