; LLVM IR from sunkafei/xcpc-algorithm-templates :: 算法/图论/SPFA算法.ll (ZN4SPFA4spfaEv)

; 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::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::pair" = type { i32, i32 }

@n = external dso_local global i32, align 4
@s = external dso_local global i32, align 4
@_ZN4SPFA3inqE = external dso_local global [210000 x i32], align 16
@_ZN4SPFA3cntE = external dso_local global [210000 x i32], align 16
@_ZN4SPFA1dE = external dso_local global [210000 x i32], align 16
@_ZN4SPFA1GE = external dso_local global [210000 x %"class.std::vector"], 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 noundef zeroext i1 @_ZN4SPFA4spfaEv() #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i1, align 1
  %2 = alloca %"class.std::queue", align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::pair", align 4
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 80, ptr %2) #6
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %2)
  call void @llvm.memset.p0.i64(ptr align 16 @_ZN4SPFA3inqE, i8 0, i64 840000, i1 false)
  call void @llvm.memset.p0.i64(ptr align 16 @_ZN4SPFA3cntE, i8 0, i64 840000, i1 false)
  call void @llvm.memset.p0.i64(ptr align 16 @_ZN4SPFA1dE, i8 63, i64 840000, i1 false)
  %13 = load i32, ptr @s, align 4, !tbaa !5
  %14 = sext i32 %13 to i64
  %15 = getelementptr inbounds [210000 x i32], ptr @_ZN4SPFA1dE, i64 0, i64 %14
  store i32 0, ptr %15, align 4, !tbaa !5
  %16 = load i32, ptr @s, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds [210000 x i32], ptr @_ZN4SPFA3inqE, i64 0, i64 %17
  store i32 1, ptr %18, align 4, !tbaa !5
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %2, ptr noundef nonnull align 4 dereferenceable(4) @s)
          to label %19 unwind label %44

19:                                               ; preds = %0
  br label %20

20:                                               ; preds = %120, %19
  %21 = invoke noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %2)
          to label %22 unwind label %44

22:                                               ; preds = %20
  %23 = xor i1 %21, true
  br i1 %23, label %24, label %122

24:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #6
  %25 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %2)
          to label %26 unwind label %48

26:                                               ; preds = %24
  %27 = load i32, ptr %25, align 4, !tbaa !5
  store i32 %27, ptr %5, align 4, !tbaa !5
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %2)
          to label %28 unwind label %48

28:                                               ; preds = %26
  %29 = load i32, ptr %5, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds [210000 x i32], ptr @_ZN4SPFA3inqE, i64 0, i64 %30
  store i32 0, ptr %31, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  %32 = load i32, ptr %5, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = getelementptr inbounds [210000 x %"class.std::vector"], ptr @_ZN4SPFA1GE, i64 0, i64 %33
  store ptr %34, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  %35 = load ptr, ptr %6, align 8, !tbaa !9
  %36 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %35) #6
  %37 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %36, ptr %37, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %38 = load ptr, ptr %6, align 8, !tbaa !9
  %39 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %38) #6
  %40 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %39, ptr %40, align 8
  br label %41

41:                                               ; preds = %113, %28
  %42 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #6
  br i1 %42, label %52, label %43

43:                                               ; preds = %41
  store i32 4, ptr %9, align 4
  br label %115

44:                                               ; preds = %20, %0
  %45 = landingpad { ptr, i32 }
          cleanup
  %46 = extractvalue { ptr, i32 } %45, 0
  store ptr %46, ptr %3, align 8
  %47 = extractvalue { ptr, i32 } %45, 1
  store i32 %47, ptr %4, align 4
  br label %125

48:                                               ; preds = %26, %24
  %49 = landingpad { ptr, i32 }
          cleanup
  %50 = extractvalue { ptr, i32 } %49, 0
  store ptr %50, ptr %3, align 8
  %51 = extractvalue { ptr, i32 } %49, 1
  store i32 %51, ptr %4, align 4
  br label %121

52:                                               ; preds = %41
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  %53 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #6
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %10, ptr align 4 %53, i64 8, i1 false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %54 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm0EiiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 4 dereferenceable(8) %10) #6
  store ptr %54, ptr %11, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  %55 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm1EiiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 4 dereferenceable(8) %10) #6
  store ptr %55, ptr %12, align 8, !tbaa !9
  %56 = load ptr, ptr %11, align 8, !tbaa !9
  %57 = load i32, ptr %56, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds [210000 x i32], ptr @_ZN4SPFA1dE, i64 0, i64 %58
  %60 = load i32, ptr %59, align 4, !tbaa !5
  %61 = load i32, ptr %5, align 4, !tbaa !5
  %62 = sext i32 %61 to i64
  %63 = getelementptr inbounds [210000 x i32], ptr @_ZN4SPFA1dE, i64 0, i64 %62
  %64 = load i32, ptr %63, align 4, !tbaa !5
  %65 = load ptr, ptr %12, align 8, !tbaa !9
  %66 = load i32, ptr %65, align 4, !tbaa !5
  %67 = add nsw i32 %64, %66
  %68 = icmp sgt i32 %60, %67
  br i1 %68, label %69, label %109

69:                                               ; preds = %52
  %70 = load i32, ptr %5, align 4, !tbaa !5
  %71 = sext i32 %70 to i64
  %72 = getelementptr inbounds [210000 x i32], ptr @_ZN4SPFA1dE, i64 0, i64 %71
  %73 = load i32, ptr %72, align 4, !tbaa !5
  %74 = load ptr, ptr %12, align 8, !tbaa !9
  %75 = load i32, ptr %74, align 4, !tbaa !5
  %76 = add nsw i32 %73, %75
  %77 = load ptr, ptr %11, 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 @_ZN4SPFA1dE, i64 0, i64 %79
  store i32 %76, ptr %80, align 4, !tbaa !5
  %81 = load ptr, ptr %11, align 8, !tbaa !9
  %82 = load i32, ptr %81, align 4, !tbaa !5
  %83 = sext i32 %82 to i64
  %84 = getelementptr inbounds [210000 x i32], ptr @_ZN4SPFA3inqE, i64 0, i64 %83
  %85 = load i32, ptr %84, align 4, !tbaa !5
  %86 = icmp ne i32 %85, 0
  br i1 %86, label %108, label %87

87:                                               ; preds = %69
  %88 = load ptr, ptr %11, align 8, !tbaa !9
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %2, ptr noundef nonnull align 4 dereferenceable(4) %88)
          to label %89 unwind label %103

89:                                               ; preds = %87
  %90 = load ptr, ptr %11, align 8, !tbaa !9
  %91 = load i32, ptr %90, align 4, !tbaa !5
  %92 = sext i32 %91 to i64
  %93 = getelementptr inbounds [210000 x i32], ptr @_ZN4SPFA3inqE, i64 0, i64 %92
  store i32 1, ptr %93, align 4, !tbaa !5
  %94 = load ptr, ptr %11, align 8, !tbaa !9
  %95 = load i32, ptr %94, align 4, !tbaa !5
  %96 = sext i32 %95 to i64
  %97 = getelementptr inbounds [210000 x i32], ptr @_ZN4SPFA3cntE, i64 0, i64 %96
  %98 = load i32, ptr %97, align 4, !tbaa !5
  %99 = add nsw i32 %98, 1
  store i32 %99, ptr %97, align 4, !tbaa !5
  %100 = load i32, ptr @n, align 4, !tbaa !5
  %101 = icmp sgt i32 %99, %100
  br i1 %101, label %102, label %107

102:                                              ; preds = %89
  store i1 false, ptr %1, align 1
  store i32 1, ptr %9, align 4
  br label %110

103:                                              ; preds = %87
  %104 = landingpad { ptr, i32 }
          cleanup
  %105 = extractvalue { ptr, i32 } %104, 0
  store ptr %105, ptr %3, align 8
  %106 = extractvalue { ptr, i32 } %104, 1
  store i32 %106, ptr %4, align 4
  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 %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  br label %121

107:                                              ; preds = %89
  br label %108

108:                                              ; preds = %107, %69
  br label %109

109:                                              ; preds = %108, %52
  store i32 0, ptr %9, align 4
  br label %110

110:                                              ; preds = %109, %102
  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
  %111 = load i32, ptr %9, align 4
  switch i32 %111, label %115 [
    i32 0, label %112
  ]

112:                                              ; preds = %110
  br label %113

113:                                              ; preds = %112
  %114 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #6
  br label %41

115:                                              ; preds = %110, %43
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  %116 = load i32, ptr %9, align 4
  switch i32 %116, label %118 [
    i32 4, label %117
  ]

117:                                              ; preds = %115
  store i32 0, ptr %9, align 4
  br label %118

118:                                              ; preds = %117, %115
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  %119 = load i32, ptr %9, align 4
  switch i32 %119, label %123 [
    i32 0, label %120
  ]

120:                                              ; preds = %118
  br label %20, !llvm.loop !11

121:                                              ; preds = %103, %48
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #6
  br label %125

122:                                              ; preds = %22
  store i1 true, ptr %1, align 1
  store i32 1, ptr %9, align 4
  br label %123

123:                                              ; preds = %122, %118
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %2) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr %2) #6
  %124 = load i1, ptr %1, align 1
  ret i1 %124

125:                                              ; preds = %121, %44
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %2) #6
  call void @llvm.lifetime.end.p0(i64 80, ptr %2) #6
  br label %126

126:                                              ; preds = %125
  %127 = load ptr, ptr %3, align 8
  %128 = load i32, ptr %4, align 4
  %129 = insertvalue { ptr, i32 } poison, ptr %127, 0
  %130 = insertvalue { ptr, i32 } %129, i32 %128, 1
  resume { ptr, i32 } %130
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), 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 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #3 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)) #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)) #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) #5

; 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 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 @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #4 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 = { 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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::queue" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.std::pair" = type { i32, i32 }

@n = external dso_local local_unnamed_addr global i32, align 4
@s = external dso_local global i32, align 4
@_ZN4SPFA3inqE = external dso_local local_unnamed_addr global [210000 x i32], align 16
@_ZN4SPFA3cntE = external dso_local local_unnamed_addr global [210000 x i32], align 16
@_ZN4SPFA1dE = external dso_local local_unnamed_addr global [210000 x i32], align 16
@_ZN4SPFA1GE = external dso_local global [210000 x %"class.std::vector"], 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 noundef zeroext i1 @_ZN4SPFA4spfaEv() local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::queue", align 8
  %2 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"struct.std::pair", align 8
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %1) #5
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(840000) @_ZN4SPFA3inqE, i8 0, i64 840000, i1 false)
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(840000) @_ZN4SPFA3cntE, i8 0, i64 840000, i1 false)
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(840000) @_ZN4SPFA1dE, i8 63, i64 840000, i1 false)
  %5 = load i32, ptr @s, align 4, !tbaa !5
  %6 = sext i32 %5 to i64
  %7 = getelementptr inbounds [210000 x i32], ptr @_ZN4SPFA1dE, i64 0, i64 %6
  store i32 0, ptr %7, align 4, !tbaa !5
  %8 = getelementptr inbounds [210000 x i32], ptr @_ZN4SPFA3inqE, i64 0, i64 %6
  store i32 1, ptr %8, align 4, !tbaa !5
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %1, ptr noundef nonnull align 4 dereferenceable(4) @s)
          to label %.preheader unwind label %20

.preheader:                                       ; preds = %0
  %9 = call noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  br i1 %9, label %.loopexit, label %.lr.ph32

.critedge29:                                      ; preds = %.critedge, %.lr.ph32
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  %10 = call noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  br i1 %10, label %.loopexit, label %.lr.ph32

.lr.ph32:                                         ; preds = %.preheader, %.critedge29
  %11 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  %12 = load i32, ptr %11, align 4, !tbaa !5
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %1)
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds [210000 x i32], ptr @_ZN4SPFA3inqE, i64 0, i64 %13
  store i32 0, ptr %14, align 4, !tbaa !5
  %15 = getelementptr inbounds [210000 x %"class.std::vector"], ptr @_ZN4SPFA1GE, i64 0, i64 %13
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %16 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %15) #5
  store ptr %16, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %17 = call ptr @_ZNSt6vectorISt4pairIiiESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %15) #5
  store ptr %17, ptr %3, align 8
  %18 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  br i1 %18, label %.lr.ph, label %.critedge29

.lr.ph:                                           ; preds = %.lr.ph32
  %19 = getelementptr inbounds [210000 x i32], ptr @_ZN4SPFA1dE, i64 0, i64 %13
  br label %22

20:                                               ; preds = %0
  %21 = landingpad { ptr, i32 }
          cleanup
  br label %57

22:                                               ; preds = %.lr.ph, %.critedge
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %23 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #5
  %24 = load i64, ptr %23, align 4
  store i64 %24, ptr %4, align 8
  %25 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm0EiiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 4 dereferenceable(8) %4) #5
  %26 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3getILm1EiiEONSt13tuple_elementIXT_ESt4pairIT0_T1_EE4typeEOS4_(ptr noundef nonnull align 4 dereferenceable(8) %4) #5
  %27 = load i32, ptr %25, align 4, !tbaa !5
  %28 = sext i32 %27 to i64
  %29 = getelementptr inbounds [210000 x i32], ptr @_ZN4SPFA1dE, i64 0, i64 %28
  %30 = load i32, ptr %29, align 4, !tbaa !5
  %31 = load i32, ptr %19, align 4, !tbaa !5
  %32 = load i32, ptr %26, align 4, !tbaa !5
  %33 = add nsw i32 %32, %31
  %34 = icmp sgt i32 %30, %33
  br i1 %34, label %35, label %.critedge

35:                                               ; preds = %22
  store i32 %33, ptr %29, align 4, !tbaa !5
  %36 = load i32, ptr %25, align 4, !tbaa !5
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds [210000 x i32], ptr @_ZN4SPFA3inqE, i64 0, i64 %37
  %39 = load i32, ptr %38, align 4, !tbaa !5
  %.not = icmp eq i32 %39, 0
  br i1 %.not, label %40, label %.critedge

40:                                               ; preds = %35
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %1, ptr noundef nonnull align 4 dereferenceable(4) %25)
          to label %41 unwind label %51

41:                                               ; preds = %40
  %42 = load i32, ptr %25, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = getelementptr inbounds [210000 x i32], ptr @_ZN4SPFA3inqE, i64 0, i64 %43
  store i32 1, ptr %44, align 4, !tbaa !5
  %45 = load i32, ptr %25, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = getelementptr inbounds [210000 x i32], ptr @_ZN4SPFA3cntE, i64 0, i64 %46
  %48 = load i32, ptr %47, align 4, !tbaa !5
  %49 = add nsw i32 %48, 1
  store i32 %49, ptr %47, align 4, !tbaa !5
  %50 = load i32, ptr @n, align 4, !tbaa !5
  %.not27 = icmp slt i32 %48, %50
  br i1 %.not27, label %.critedge, label %55

51:                                               ; preds = %40
  %52 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  br label %57

.critedge:                                        ; preds = %35, %41, %22
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPSt4pairIiiESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %2) #5
  %54 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPSt4pairIiiESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESC_(ptr noundef nonnull align 8 dereferenceable(8) %2, ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  br i1 %54, label %22, label %.critedge29

55:                                               ; preds = %41
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  br label %.loopexit

.loopexit:                                        ; preds = %.critedge29, %.preheader, %55
  %56 = phi i1 [ false, %55 ], [ true, %.preheader ], [ true, %.critedge29 ]
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %1) #5
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %1) #5
  ret i1 %56

57:                                               ; preds = %51, %20
  %.pn = phi { ptr, i32 } [ %52, %51 ], [ %21, %20 ]
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %1) #5
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), 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 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt5queueIiSt5dequeIiSaIiEEE5frontEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #3 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 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 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 @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) 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"}


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