; LLVM IR from bqi343/cp-notebook :: Contests/USACO Solutions/2017-18/Open 2018/Gold/sort_bin.ll (Z8getZerosi)

; 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.3" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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.std::vector" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"class.std::allocator.7" = type { i8 }
%"struct.std::_Bit_reference" = type { ptr, i64 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@N = external dso_local global i32, align 4
@inds = external dso_local global %"class.std::vector.3", align 8
@_ZL3MOD = external hidden constant i32, align 4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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)) #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16), i1 noundef zeroext) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8getZerosi(ptr dead_on_unwind noalias writable sret(%"class.std::vector.3") align 8 %0, i32 noundef %1) #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i1, align 1
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca %"class.std::allocator.7", align 1
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca %"struct.std::_Bit_reference", align 8
  %14 = alloca %"struct.std::_Bit_reference", align 8
  %15 = alloca i32, align 4
  %16 = alloca %"struct.std::_Bit_reference", align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store ptr %0, ptr %3, align 8
  store i32 %1, ptr %4, align 4, !tbaa !5
  store i1 false, ptr %5, align 1
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store i32 0, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  %19 = load i32, ptr @N, align 4, !tbaa !5
  store i32 %19, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 40, ptr %8) #5
  %20 = load i32, ptr @N, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #5
  call void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  invoke void @_ZNSt6vectorIbSaIbEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(40) %8, i64 noundef %21, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %22 unwind label %29

22:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #5
  store i32 0, ptr %12, align 4, !tbaa !5
  br label %23

23:                                               ; preds = %117, %22
  %24 = load i32, ptr %12, align 4, !tbaa !5
  %25 = load i32, ptr @N, align 4, !tbaa !5
  %26 = add nsw i32 %25, 1
  %27 = icmp slt i32 %24, %26
  br i1 %27, label %33, label %28

28:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  br label %121

29:                                               ; preds = %2
  %30 = landingpad { ptr, i32 }
          cleanup
  %31 = extractvalue { ptr, i32 } %30, 0
  store ptr %31, ptr %10, align 8
  %32 = extractvalue { ptr, i32 } %30, 1
  store i32 %32, ptr %11, align 4
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  br label %139

33:                                               ; preds = %23
  %34 = load i32, ptr %6, align 4, !tbaa !5
  %35 = load i32, ptr %4, align 4, !tbaa !5
  %36 = icmp sge i32 %34, %35
  br i1 %36, label %37, label %82

37:                                               ; preds = %33
  br label %38

38:                                               ; preds = %59, %37
  %39 = load i32, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %13) #5
  %40 = load i32, ptr %7, align 4, !tbaa !5
  %41 = sub nsw i32 %40, 1
  %42 = sext i32 %41 to i64
  %43 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %8, i64 noundef %42)
          to label %44 unwind label %68

44:                                               ; preds = %38
  %45 = getelementptr inbounds { ptr, i64 }, ptr %13, i32 0, i32 0
  %46 = extractvalue { ptr, i64 } %43, 0
  store ptr %46, ptr %45, align 8
  %47 = getelementptr inbounds { ptr, i64 }, ptr %13, i32 0, i32 1
  %48 = extractvalue { ptr, i64 } %43, 1
  store i64 %48, ptr %47, align 8
  %49 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %13) #5
  %50 = zext i1 %49 to i32
  %51 = sub nsw i32 %39, %50
  %52 = load i32, ptr %4, align 4, !tbaa !5
  %53 = icmp sge i32 %51, %52
  call void @llvm.lifetime.end.p0(i64 16, ptr %13) #5
  br i1 %53, label %54, label %76

54:                                               ; preds = %44
  call void @llvm.lifetime.start.p0(i64 16, ptr %14) #5
  %55 = load i32, ptr %7, align 4, !tbaa !5
  %56 = add nsw i32 %55, -1
  store i32 %56, ptr %7, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %8, i64 noundef %57)
          to label %59 unwind label %72

59:                                               ; preds = %54
  %60 = getelementptr inbounds { ptr, i64 }, ptr %14, i32 0, i32 0
  %61 = extractvalue { ptr, i64 } %58, 0
  store ptr %61, ptr %60, align 8
  %62 = getelementptr inbounds { ptr, i64 }, ptr %14, i32 0, i32 1
  %63 = extractvalue { ptr, i64 } %58, 1
  store i64 %63, ptr %62, align 8
  %64 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %14) #5
  %65 = zext i1 %64 to i32
  %66 = load i32, ptr %6, align 4, !tbaa !5
  %67 = sub nsw i32 %66, %65
  store i32 %67, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #5
  br label %38, !llvm.loop !9

68:                                               ; preds = %38
  %69 = landingpad { ptr, i32 }
          cleanup
  %70 = extractvalue { ptr, i32 } %69, 0
  store ptr %70, ptr %10, align 8
  %71 = extractvalue { ptr, i32 } %69, 1
  store i32 %71, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %13) #5
  br label %120

72:                                               ; preds = %54
  %73 = landingpad { ptr, i32 }
          cleanup
  %74 = extractvalue { ptr, i32 } %73, 0
  store ptr %74, ptr %10, align 8
  %75 = extractvalue { ptr, i32 } %73, 1
  store i32 %75, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %14) #5
  br label %120

76:                                               ; preds = %44
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %77 unwind label %78

77:                                               ; preds = %76
  br label %84

78:                                               ; preds = %82, %76
  %79 = landingpad { ptr, i32 }
          cleanup
  %80 = extractvalue { ptr, i32 } %79, 0
  store ptr %80, ptr %10, align 8
  %81 = extractvalue { ptr, i32 } %79, 1
  store i32 %81, ptr %11, align 4
  br label %120

82:                                               ; preds = %33
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(4) @_ZL3MOD)
          to label %83 unwind label %78

83:                                               ; preds = %82
  br label %84

84:                                               ; preds = %83, %77
  %85 = load i32, ptr %12, align 4, !tbaa !5
  %86 = load i32, ptr @N, align 4, !tbaa !5
  %87 = icmp slt i32 %85, %86
  br i1 %87, label %88, label %116

88:                                               ; preds = %84
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #5
  %89 = load i32, ptr @N, align 4, !tbaa !5
  %90 = sub nsw i32 %89, 1
  %91 = load i32, ptr %12, align 4, !tbaa !5
  %92 = sext i32 %91 to i64
  %93 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @inds, i64 noundef %92) #5
  %94 = load i32, ptr %93, align 4, !tbaa !5
  %95 = sub nsw i32 %90, %94
  store i32 %95, ptr %15, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %16) #5
  %96 = load i32, ptr %15, align 4, !tbaa !5
  %97 = sext i32 %96 to i64
  %98 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %8, i64 noundef %97)
          to label %99 unwind label %111

99:                                               ; preds = %88
  %100 = getelementptr inbounds { ptr, i64 }, ptr %16, i32 0, i32 0
  %101 = extractvalue { ptr, i64 } %98, 0
  store ptr %101, ptr %100, align 8
  %102 = getelementptr inbounds { ptr, i64 }, ptr %16, i32 0, i32 1
  %103 = extractvalue { ptr, i64 } %98, 1
  store i64 %103, ptr %102, align 8
  %104 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %16, i1 noundef zeroext true) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %16) #5
  %105 = load i32, ptr %15, align 4, !tbaa !5
  %106 = load i32, ptr %7, align 4, !tbaa !5
  %107 = icmp slt i32 %105, %106
  br i1 %107, label %108, label %115

108:                                              ; preds = %99
  %109 = load i32, ptr %6, align 4, !tbaa !5
  %110 = add nsw i32 %109, 1
  store i32 %110, ptr %6, align 4, !tbaa !5
  br label %115

111:                                              ; preds = %88
  %112 = landingpad { ptr, i32 }
          cleanup
  %113 = extractvalue { ptr, i32 } %112, 0
  store ptr %113, ptr %10, align 8
  %114 = extractvalue { ptr, i32 } %112, 1
  store i32 %114, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 16, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #5
  br label %120

115:                                              ; preds = %108, %99
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #5
  br label %116

116:                                              ; preds = %115, %84
  br label %117

117:                                              ; preds = %116
  %118 = load i32, ptr %12, align 4, !tbaa !5
  %119 = add nsw i32 %118, 1
  store i32 %119, ptr %12, align 4, !tbaa !5
  br label %23, !llvm.loop !11

120:                                              ; preds = %111, %78, %72, %68
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #5
  br label %138

121:                                              ; preds = %28
  %122 = invoke ptr @_ZSt5beginISt6vectorIiSaIiEEEDTcldtfp_5beginEERT_(ptr noundef nonnull align 8 dereferenceable(24) %0)
          to label %123 unwind label %134

123:                                              ; preds = %121
  %124 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  store ptr %122, ptr %124, align 8
  %125 = invoke ptr @_ZSt3endISt6vectorIiSaIiEEEDTcldtfp_3endEERT_(ptr noundef nonnull align 8 dereferenceable(24) %0)
          to label %126 unwind label %134

126:                                              ; preds = %123
  %127 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  store ptr %125, ptr %127, align 8
  %128 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  %129 = load ptr, ptr %128, align 8
  %130 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  %131 = load ptr, ptr %130, align 8
  invoke void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr %129, ptr %131)
          to label %132 unwind label %134

132:                                              ; preds = %126
  store i1 true, ptr %5, align 1
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %8) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  %133 = load i1, ptr %5, align 1
  br i1 %133, label %141, label %140

134:                                              ; preds = %126, %123, %121
  %135 = landingpad { ptr, i32 }
          cleanup
  %136 = extractvalue { ptr, i32 } %135, 0
  store ptr %136, ptr %10, align 8
  %137 = extractvalue { ptr, i32 } %135, 1
  store i32 %137, ptr %11, align 4
  br label %138

138:                                              ; preds = %134, %120
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %8) #5
  br label %139

139:                                              ; preds = %138, %29
  call void @llvm.lifetime.end.p0(i64 40, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  br label %142

140:                                              ; preds = %132
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  br label %141

141:                                              ; preds = %140, %132
  ret void

142:                                              ; preds = %139
  %143 = load ptr, ptr %10, align 8
  %144 = load i32, ptr %11, align 4
  %145 = insertvalue { ptr, i32 } poison, ptr %143, 0
  %146 = insertvalue { ptr, i32 } %145, i32 %144, 1
  resume { ptr, i32 } %146
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr, ptr) #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local ptr @_ZSt5beginISt6vectorIiSaIiEEEDTcldtfp_5beginEERT_(ptr noundef nonnull align 8 dereferenceable(24)) #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local ptr @_ZSt3endISt6vectorIiSaIiEEEDTcldtfp_3endEERT_(ptr noundef nonnull align 8 dereferenceable(24)) #4

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


; 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.3" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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.std::vector" = type { %"struct.std::_Bvector_base" }
%"struct.std::_Bvector_base" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl" = type { %"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" }
%"struct.std::_Bvector_base<std::allocator<bool>>::_Bvector_impl_data" = type { %"struct.std::_Bit_iterator", %"struct.std::_Bit_iterator", ptr }
%"struct.std::_Bit_iterator" = type { %"struct.std::_Bit_iterator_base.base", [4 x i8] }
%"struct.std::_Bit_iterator_base.base" = type <{ ptr, i32 }>
%"class.std::allocator.7" = type { i8 }
%"struct.std::_Bit_reference" = type { ptr, i64 }

@N = external dso_local local_unnamed_addr global i32, align 4
@inds = external dso_local global %"class.std::vector.3", align 8
@_ZL3MOD = external hidden constant i32, align 4

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIbSaIbEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(40), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16), i1 noundef zeroext) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8getZerosi(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::vector.3") align 8 %0, i32 noundef %1) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator.7", align 1
  %6 = alloca %"struct.std::_Bit_reference", align 8
  %7 = alloca %"struct.std::_Bit_reference", align 8
  %8 = alloca %"struct.std::_Bit_reference", align 8
  tail call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #5
  %9 = load i32, ptr @N, align 4, !tbaa !5
  store i32 %9, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %4) #5
  %10 = sext i32 %9 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #5
  call void @_ZNSaIbEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt6vectorIbSaIbEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(40) %4, i64 noundef %10, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %11 unwind label %18

11:                                               ; preds = %2
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  %12 = load i32, ptr @N, align 4, !tbaa !5
  %.not31 = icmp slt i32 %12, 0
  br i1 %.not31, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %11
  %13 = getelementptr inbounds i8, ptr %6, i64 8
  %14 = getelementptr inbounds i8, ptr %7, i64 8
  %15 = getelementptr inbounds i8, ptr %8, i64 8
  br label %20

._crit_edge:                                      ; preds = %68, %11
  %16 = call ptr @_ZSt5beginISt6vectorIiSaIiEEEDTcldtfp_5beginEERT_(ptr noundef nonnull align 8 dereferenceable(24) %0)
  %17 = call ptr @_ZSt3endISt6vectorIiSaIiEEEDTcldtfp_3endEERT_(ptr noundef nonnull align 8 dereferenceable(24) %0)
  invoke void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr %16, ptr %17)
          to label %69 unwind label %70

18:                                               ; preds = %2
  %19 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIbED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #5
  br label %73

20:                                               ; preds = %.lr.ph, %68
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %68 ]
  %.033 = phi i32 [ 0, %.lr.ph ], [ %.4, %68 ]
  %.not23 = icmp slt i32 %.033, %1
  br i1 %.not23, label %47, label %.preheader

.preheader:                                       ; preds = %20, %35
  %.1 = phi i32 [ %39, %35 ], [ %.033, %20 ]
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #5
  %21 = load i32, ptr %3, align 4, !tbaa !5
  %22 = add nsw i32 %21, -1
  %23 = sext i32 %22 to i64
  %24 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %4, i64 noundef %23)
          to label %25 unwind label %40

25:                                               ; preds = %.preheader
  %26 = extractvalue { ptr, i64 } %24, 0
  store ptr %26, ptr %6, align 8
  %27 = extractvalue { ptr, i64 } %24, 1
  store i64 %27, ptr %13, align 8
  %28 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %6) #5
  %.neg = sext i1 %28 to i32
  %29 = add i32 %.1, %.neg
  %.not24 = icmp slt i32 %29, %1
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #5
  br i1 %.not24, label %44, label %30

30:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %7) #5
  %31 = load i32, ptr %3, align 4, !tbaa !5
  %32 = add nsw i32 %31, -1
  store i32 %32, ptr %3, align 4, !tbaa !5
  %33 = sext i32 %32 to i64
  %34 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %4, i64 noundef %33)
          to label %35 unwind label %42

35:                                               ; preds = %30
  %36 = extractvalue { ptr, i64 } %34, 0
  store ptr %36, ptr %7, align 8
  %37 = extractvalue { ptr, i64 } %34, 1
  store i64 %37, ptr %14, align 8
  %38 = call noundef zeroext i1 @_ZNKSt14_Bit_referencecvbEv(ptr noundef nonnull align 8 dereferenceable(16) %7) #5
  %.neg28 = sext i1 %38 to i32
  %39 = add i32 %.1, %.neg28
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #5
  br label %.preheader, !llvm.loop !9

40:                                               ; preds = %.preheader
  %41 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #5
  br label %72

42:                                               ; preds = %30
  %43 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %7) #5
  br label %72

44:                                               ; preds = %25
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %48 unwind label %45

45:                                               ; preds = %47, %44
  %46 = landingpad { ptr, i32 }
          cleanup
  br label %72

47:                                               ; preds = %20
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(4) @_ZL3MOD)
          to label %48 unwind label %45

48:                                               ; preds = %47, %44
  %.2 = phi i32 [ %.1, %44 ], [ %.033, %47 ]
  %49 = load i32, ptr @N, align 4, !tbaa !5
  %50 = sext i32 %49 to i64
  %51 = icmp slt i64 %indvars.iv, %50
  br i1 %51, label %52, label %68

52:                                               ; preds = %48
  %53 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @inds, i64 noundef %indvars.iv) #5
  %54 = load i32, ptr %53, align 4, !tbaa !5
  %55 = xor i32 %54, -1
  %56 = add i32 %49, %55
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #5
  %57 = sext i32 %56 to i64
  %58 = invoke { ptr, i64 } @_ZNSt6vectorIbSaIbEEixEm(ptr noundef nonnull align 8 dereferenceable(40) %4, i64 noundef %57)
          to label %59 unwind label %66

59:                                               ; preds = %52
  %60 = extractvalue { ptr, i64 } %58, 0
  store ptr %60, ptr %8, align 8
  %61 = extractvalue { ptr, i64 } %58, 1
  store i64 %61, ptr %15, align 8
  %62 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt14_Bit_referenceaSEb(ptr noundef nonnull align 8 dereferenceable(16) %8, i1 noundef zeroext true) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #5
  %63 = load i32, ptr %3, align 4, !tbaa !5
  %64 = icmp slt i32 %56, %63
  %65 = zext i1 %64 to i32
  %spec.select = add nsw i32 %.2, %65
  %.pre = load i32, ptr @N, align 4, !tbaa !5
  %.pre37 = sext i32 %.pre to i64
  br label %68

66:                                               ; preds = %52
  %67 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #5
  br label %72

68:                                               ; preds = %48, %59
  %.pre-phi = phi i64 [ %50, %48 ], [ %.pre37, %59 ]
  %.4 = phi i32 [ %.2, %48 ], [ %spec.select, %59 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %.not.not = icmp slt i64 %indvars.iv, %.pre-phi
  br i1 %.not.not, label %20, label %._crit_edge, !llvm.loop !11

69:                                               ; preds = %._crit_edge
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %4) #5
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  ret void

70:                                               ; preds = %._crit_edge
  %71 = landingpad { ptr, i32 }
          cleanup
  br label %72

72:                                               ; preds = %40, %42, %45, %66, %70
  %.pn.pn = phi { ptr, i32 } [ %71, %70 ], [ %43, %42 ], [ %67, %66 ], [ %46, %45 ], [ %41, %40 ]
  call void @_ZNSt13_Bvector_baseISaIbEED2Ev(ptr noundef nonnull align 8 dereferenceable(40) %4) #5
  br label %73

73:                                               ; preds = %72, %18
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %72 ], [ %19, %18 ]
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #5
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #5
  resume { ptr, i32 } %.pn.pn.pn
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt7reverseIN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEEEvT_S7_(ptr, ptr) local_unnamed_addr #3

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local ptr @_ZSt5beginISt6vectorIiSaIiEEEDTcldtfp_5beginEERT_(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local ptr @_ZSt3endISt6vectorIiSaIiEEEDTcldtfp_3endEERT_(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4

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


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