; LLVM IR from ritikbanger/Hacktoberfest2022-DSA :: 17. Graph/Cycle Detection In Graph.ll (Z9checkLoopSt6vectorIS_IiSaIiEESaIS1_EEii)

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

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z9checkLoopSt6vectorIS_IiSaIiEESaIS1_EEii(ptr noundef %0, i32 noundef %1, i32 noundef %2) #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca i1, align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::vector.0", align 8
  %9 = alloca %"class.std::vector.0", align 8
  %10 = alloca ptr, align 8
  %11 = alloca i64, align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca i32, align 4
  %14 = alloca ptr, align 8
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  %20 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %21 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %22 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %23 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #7
  %24 = load i32, ptr %6, align 4, !tbaa !9
  %25 = zext i32 %24 to i64
  %26 = call ptr @llvm.stacksave.p0()
  store ptr %26, ptr %10, align 8
  %27 = alloca i8, i64 %25, align 16
  store i64 %25, ptr %11, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #7
  %28 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #7
  %29 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %28, ptr %29, align 8
  call void @llvm.memset.p0.i64(ptr align 16 %27, i8 0, i64 %25, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #7
  store i32 0, ptr %13, align 4, !tbaa !9
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %30 unwind label %37

30:                                               ; preds = %3
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #7
  store i32 -1, ptr %16, align 4, !tbaa !9
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %9, ptr noundef nonnull align 4 dereferenceable(4) %16)
          to label %31 unwind label %41

31:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #7
  store i32 0, ptr %17, align 4, !tbaa !9
  br label %32

32:                                               ; preds = %141, %31
  %33 = load i32, ptr %17, align 4, !tbaa !9
  %34 = load i32, ptr %6, align 4, !tbaa !9
  %35 = icmp slt i32 %33, %34
  br i1 %35, label %45, label %36

36:                                               ; preds = %32
  store i32 2, ptr %18, align 4
  br label %144

37:                                               ; preds = %3
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %14, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  br label %150

41:                                               ; preds = %30
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %14, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  br label %150

45:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #7
  store i32 0, ptr %19, align 4, !tbaa !9
  br label %46

46:                                               ; preds = %130, %45
  %47 = load i32, ptr %19, align 4, !tbaa !9
  %48 = load i32, ptr %6, align 4, !tbaa !9
  %49 = icmp slt i32 %47, %48
  br i1 %49, label %51, label %50

50:                                               ; preds = %46
  store i32 5, ptr %18, align 4
  br label %133

51:                                               ; preds = %46
  %52 = load i32, ptr %17, align 4, !tbaa !9
  %53 = sext i32 %52 to i64
  %54 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %53) #7
  %55 = load i32, ptr %19, align 4, !tbaa !9
  %56 = sext i32 %55 to i64
  %57 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %54, i64 noundef %56) #7
  %58 = load i32, ptr %57, align 4, !tbaa !9
  %59 = icmp eq i32 %58, 1
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %23) #7
  br i1 %59, label %60, label %75

60:                                               ; preds = %51
  %61 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  %62 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  store ptr %61, ptr %62, align 8
  %63 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  %64 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %22, i32 0, i32 0
  store ptr %63, ptr %64, align 8
  %65 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  %66 = load ptr, ptr %65, align 8
  %67 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %22, i32 0, i32 0
  %68 = load ptr, ptr %67, align 8
  %69 = invoke ptr @_ZSt4findIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiET_S7_S7_RKT0_(ptr %66, ptr %68, ptr noundef nonnull align 4 dereferenceable(4) %19)
          to label %70 unwind label %80

70:                                               ; preds = %60
  %71 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %20, i32 0, i32 0
  store ptr %69, ptr %71, align 8
  %72 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  %73 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %23, i32 0, i32 0
  store ptr %72, ptr %73, align 8
  %74 = call noundef zeroext i1 @_ZN9__gnu_cxxeqIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %20, ptr noundef nonnull align 8 dereferenceable(8) %23) #7
  br label %75

75:                                               ; preds = %70, %51
  %76 = phi i1 [ false, %51 ], [ %74, %70 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #7
  br i1 %76, label %77, label %88

77:                                               ; preds = %75
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 4 dereferenceable(4) %19)
          to label %78 unwind label %84

78:                                               ; preds = %77
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %9, ptr noundef nonnull align 4 dereferenceable(4) %17)
          to label %79 unwind label %84

79:                                               ; preds = %78
  br label %129

80:                                               ; preds = %60
  %81 = landingpad { ptr, i32 }
          cleanup
  %82 = extractvalue { ptr, i32 } %81, 0
  store ptr %82, ptr %14, align 8
  %83 = extractvalue { ptr, i32 } %81, 1
  store i32 %83, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #7
  br label %135

84:                                               ; preds = %78, %77
  %85 = landingpad { ptr, i32 }
          cleanup
  %86 = extractvalue { ptr, i32 } %85, 0
  store ptr %86, ptr %14, align 8
  %87 = extractvalue { ptr, i32 } %85, 1
  store i32 %87, ptr %15, align 4
  br label %135

88:                                               ; preds = %75
  %89 = load i32, ptr %17, align 4, !tbaa !9
  %90 = sext i32 %89 to i64
  %91 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %90) #7
  %92 = load i32, ptr %19, align 4, !tbaa !9
  %93 = sext i32 %92 to i64
  %94 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %91, i64 noundef %93) #7
  %95 = load i32, ptr %94, align 4, !tbaa !9
  %96 = icmp eq i32 %95, 1
  br i1 %96, label %97, label %104

97:                                               ; preds = %88
  %98 = load i32, ptr %19, align 4, !tbaa !9
  %99 = sext i32 %98 to i64
  %100 = getelementptr inbounds i8, ptr %27, i64 %99
  %101 = load i8, ptr %100, align 1, !tbaa !11, !range !13, !noundef !14
  %102 = trunc i8 %101 to i1
  br i1 %102, label %104, label %103

103:                                              ; preds = %97
  br label %130

104:                                              ; preds = %97, %88
  %105 = load i32, ptr %17, align 4, !tbaa !9
  %106 = sext i32 %105 to i64
  %107 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %106) #7
  %108 = load i32, ptr %19, align 4, !tbaa !9
  %109 = sext i32 %108 to i64
  %110 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %107, i64 noundef %109) #7
  %111 = load i32, ptr %110, align 4, !tbaa !9
  %112 = icmp eq i32 %111, 1
  br i1 %112, label %113, label %127

113:                                              ; preds = %104
  %114 = load i32, ptr %19, align 4, !tbaa !9
  %115 = sext i32 %114 to i64
  %116 = getelementptr inbounds i8, ptr %27, i64 %115
  %117 = load i8, ptr %116, align 1, !tbaa !11, !range !13, !noundef !14
  %118 = trunc i8 %117 to i1
  br i1 %118, label %119, label %127

119:                                              ; preds = %113
  %120 = load i32, ptr %17, align 4, !tbaa !9
  %121 = sext i32 %120 to i64
  %122 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %121) #7
  %123 = load i32, ptr %122, align 4, !tbaa !9
  %124 = load i32, ptr %19, align 4, !tbaa !9
  %125 = icmp ne i32 %123, %124
  br i1 %125, label %126, label %127

126:                                              ; preds = %119
  store i1 true, ptr %4, align 1
  store i32 1, ptr %18, align 4
  br label %133

127:                                              ; preds = %119, %113, %104
  br label %128

128:                                              ; preds = %127
  br label %129

129:                                              ; preds = %128, %79
  br label %130

130:                                              ; preds = %129, %103
  %131 = load i32, ptr %19, align 4, !tbaa !9
  %132 = add nsw i32 %131, 1
  store i32 %132, ptr %19, align 4, !tbaa !9
  br label %46, !llvm.loop !15

133:                                              ; preds = %126, %50
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #7
  %134 = load i32, ptr %18, align 4
  switch i32 %134, label %144 [
    i32 5, label %136
  ]

135:                                              ; preds = %84, %80
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  br label %150

136:                                              ; preds = %133
  %137 = load i32, ptr %17, align 4, !tbaa !9
  %138 = add nsw i32 %137, 1
  %139 = sext i32 %138 to i64
  %140 = getelementptr inbounds i8, ptr %27, i64 %139
  store i8 1, ptr %140, align 1, !tbaa !11
  br label %141

141:                                              ; preds = %136
  %142 = load i32, ptr %17, align 4, !tbaa !9
  %143 = add nsw i32 %142, 1
  store i32 %143, ptr %17, align 4, !tbaa !9
  br label %32, !llvm.loop !17

144:                                              ; preds = %133, %36
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #7
  %145 = load i32, ptr %18, align 4
  switch i32 %145, label %147 [
    i32 2, label %146
  ]

146:                                              ; preds = %144
  store i1 false, ptr %4, align 1
  store i32 1, ptr %18, align 4
  br label %147

147:                                              ; preds = %146, %144
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  %148 = load ptr, ptr %10, align 8
  call void @llvm.stackrestore.p0(ptr %148)
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #7
  %149 = load i1, ptr %4, align 1
  ret i1 %149

150:                                              ; preds = %135, %41, %37
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #7
  br label %151

151:                                              ; preds = %150
  %152 = load ptr, ptr %14, align 8
  %153 = load i32, ptr %15, align 4
  %154 = insertvalue { ptr, i32 } poison, ptr %152, 0
  %155 = insertvalue { ptr, i32 } %154, i32 %153, 1
  resume { ptr, i32 } %155
}

; 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 @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #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 nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxeqIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt4findIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiET_S7_S7_RKT0_(ptr, ptr, ptr noundef nonnull align 4 dereferenceable(4)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

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

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

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = distinct !{!17, !16}


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

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z9checkLoopSt6vectorIS_IiSaIiEESaIS1_EEii(ptr noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::vector.0", align 8
  %5 = alloca %"class.std::vector.0", align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  %12 = zext i32 %1 to i64
  %13 = call ptr @llvm.stacksave.p0()
  %14 = alloca i8, i64 %12, align 16
  %15 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.memset.p0.i64(ptr nonnull align 16 %14, i8 0, i64 %12, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  store i32 0, ptr %6, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %16 unwind label %79

16:                                               ; preds = %3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #7
  store i32 -1, ptr %7, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %17 unwind label %81

17:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #7
  %invariant.gep = getelementptr i8, ptr %14, i64 1
  store i32 0, ptr %8, align 4, !tbaa !5
  %.not2032 = icmp sgt i32 %1, 0
  br i1 %.not2032, label %.lr.ph.us, label %.critedge26

.lr.ph.us:                                        ; preds = %17, %._crit_edge.us
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %18

18:                                               ; preds = %.lr.ph.us, %71
  %19 = load i32, ptr %8, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %21 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %20) #7
  %22 = load i32, ptr %9, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  %24 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %21, i64 noundef %23) #7
  %25 = load i32, ptr %24, align 4, !tbaa !5
  %26 = icmp eq i32 %25, 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #7
  br i1 %26, label %27, label %.critedge.us

.critedge.us:                                     ; preds = %18
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  br label %34

27:                                               ; preds = %18
  %28 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  %29 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  %30 = invoke ptr @_ZSt4findIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiET_S7_S7_RKT0_(ptr %28, ptr %29, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %31 unwind label %.split.us

31:                                               ; preds = %27
  store ptr %30, ptr %10, align 8
  %32 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  store ptr %32, ptr %11, align 8
  %33 = call noundef zeroext i1 @_ZN9__gnu_cxxeqIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  br i1 %33, label %69, label %34

34:                                               ; preds = %31, %.critedge.us
  %35 = load i32, ptr %8, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %36) #7
  %38 = load i32, ptr %9, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %37, i64 noundef %39) #7
  %41 = load i32, ptr %40, align 4, !tbaa !5
  %42 = icmp eq i32 %41, 1
  br i1 %42, label %43, label %49

43:                                               ; preds = %34
  %44 = load i32, ptr %9, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %46 = getelementptr inbounds i8, ptr %14, i64 %45
  %47 = load i8, ptr %46, align 1, !tbaa !9, !range !11, !noundef !12
  %48 = trunc nuw i8 %47 to i1
  br i1 %48, label %49, label %71

49:                                               ; preds = %43, %34
  %50 = load i32, ptr %8, align 4, !tbaa !5
  %51 = sext i32 %50 to i64
  %52 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %51) #7
  %53 = load i32, ptr %9, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %52, i64 noundef %54) #7
  %56 = load i32, ptr %55, align 4, !tbaa !5
  %57 = icmp eq i32 %56, 1
  %.pre46 = load i32, ptr %9, align 4, !tbaa !5
  br i1 %57, label %58, label %71

58:                                               ; preds = %49
  %59 = sext i32 %.pre46 to i64
  %60 = getelementptr inbounds i8, ptr %14, i64 %59
  %61 = load i8, ptr %60, align 1, !tbaa !9, !range !11, !noundef !12
  %62 = trunc nuw i8 %61 to i1
  br i1 %62, label %63, label %71

63:                                               ; preds = %58
  %64 = load i32, ptr %8, align 4, !tbaa !5
  %65 = sext i32 %64 to i64
  %66 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %65) #7
  %67 = load i32, ptr %66, align 4, !tbaa !5
  %68 = load i32, ptr %9, align 4, !tbaa !5
  %.not.us = icmp eq i32 %67, %68
  br i1 %.not.us, label %71, label %.split38.us

69:                                               ; preds = %31
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %70 unwind label %.split41.us

70:                                               ; preds = %69
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %._crit_edge unwind label %.split41.us

._crit_edge:                                      ; preds = %70
  %.pre = load i32, ptr %9, align 4, !tbaa !5
  br label %71

71:                                               ; preds = %._crit_edge, %63, %58, %49, %43
  %72 = phi i32 [ %.pre, %._crit_edge ], [ %67, %63 ], [ %.pre46, %58 ], [ %.pre46, %49 ], [ %44, %43 ]
  %73 = add nsw i32 %72, 1
  store i32 %73, ptr %9, align 4, !tbaa !5
  %.not19.us = icmp slt i32 %73, %1
  br i1 %.not19.us, label %18, label %._crit_edge.us, !llvm.loop !13

._crit_edge.us:                                   ; preds = %71
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  %74 = load i32, ptr %8, align 4, !tbaa !5
  %75 = sext i32 %74 to i64
  %gep.us = getelementptr i8, ptr %invariant.gep, i64 %75
  store i8 1, ptr %gep.us, align 1, !tbaa !9
  %76 = add nsw i32 %74, 1
  store i32 %76, ptr %8, align 4, !tbaa !5
  %.not20.us = icmp slt i32 %76, %1
  br i1 %.not20.us, label %.lr.ph.us, label %.critedge26, !llvm.loop !15

.split.us:                                        ; preds = %27
  %77 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  br label %83

.split41.us:                                      ; preds = %70, %69
  %78 = landingpad { ptr, i32 }
          cleanup
  br label %83

79:                                               ; preds = %3
  %80 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  br label %85

81:                                               ; preds = %16
  %82 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  br label %85

83:                                               ; preds = %.split41.us, %.split.us
  %.pn = phi { ptr, i32 } [ %78, %.split41.us ], [ %77, %.split.us ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  br label %85

.split38.us:                                      ; preds = %63
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  br label %84

.critedge26:                                      ; preds = %._crit_edge.us, %17
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  br label %84

84:                                               ; preds = %.split38.us, %.critedge26
  %.not2030 = phi i1 [ true, %.split38.us ], [ false, %.critedge26 ]
  call void @llvm.stackrestore.p0(ptr %13)
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  ret i1 %.not2030

85:                                               ; preds = %83, %81, %79
  %.pn.pn = phi { ptr, i32 } [ %.pn, %83 ], [ %82, %81 ], [ %80, %79 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  resume { ptr, i32 } %.pn.pn
}

; 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 @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare ptr @llvm.stacksave.p0() #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) 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 nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxeqIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZSt4findIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEiET_S7_S7_RKT0_(ptr, ptr, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.stackrestore.p0(ptr) #3

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

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #4 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { 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 = !{!"bool", !7, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


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