; LLVM IR from devparthgarg/Data-Structures-and-Algorithms :: 09. Hashing/11 Longest Subarray with Equal 0s and 1s/11b Longest SubArray with equa_6a401021 (Z9longest01Pii)

; 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::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"struct.std::__detail::_Node_iterator" = type { %"struct.std::__detail::_Node_iterator_base" }
%"struct.std::__detail::_Node_iterator_base" = type { ptr }
%"struct.std::pair.2" = type { i32, i32 }
%"struct.std::pair" = type <{ %"struct.std::__detail::_Node_iterator", i8, [7 x i8] }>

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z9longest01Pii(ptr noundef %0, i32 noundef %1) #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::unordered_map", align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  %14 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %15 = alloca %"struct.std::pair.2", align 4
  %16 = alloca %"struct.std::pair", align 8
  %17 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %18 = alloca i32, align 4
  %19 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %20 = alloca i32, align 4
  %21 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %22

22:                                               ; preds = %40, %2
  %23 = load i32, ptr %5, align 4, !tbaa !9
  %24 = load i32, ptr %4, align 4, !tbaa !9
  %25 = icmp slt i32 %23, %24
  br i1 %25, label %27, label %26

26:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %43

27:                                               ; preds = %22
  %28 = load ptr, ptr %3, align 8, !tbaa !5
  %29 = load i32, ptr %5, align 4, !tbaa !9
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds i32, ptr %28, i64 %30
  %32 = load i32, ptr %31, align 4, !tbaa !9
  %33 = icmp eq i32 %32, 0
  br i1 %33, label %34, label %39

34:                                               ; preds = %27
  %35 = load ptr, ptr %3, align 8, !tbaa !5
  %36 = load i32, ptr %5, align 4, !tbaa !9
  %37 = sext i32 %36 to i64
  %38 = getelementptr inbounds i32, ptr %35, i64 %37
  store i32 -1, ptr %38, align 4, !tbaa !9
  br label %39

39:                                               ; preds = %34, %27
  br label %40

40:                                               ; preds = %39
  %41 = load i32, ptr %5, align 4, !tbaa !9
  %42 = add nsw i32 %41, 1
  store i32 %42, ptr %5, align 4, !tbaa !9
  br label %22, !llvm.loop !11

43:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 0, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 56, ptr %7) #4
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %7) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  store i32 0, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  store i32 0, ptr %9, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  store i32 0, ptr %10, align 4, !tbaa !9
  br label %44

44:                                               ; preds = %121, %43
  %45 = load i32, ptr %10, align 4, !tbaa !9
  %46 = load i32, ptr %4, align 4, !tbaa !9
  %47 = icmp slt i32 %45, %46
  br i1 %47, label %49, label %48

48:                                               ; preds = %44
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  br label %125

49:                                               ; preds = %44
  %50 = load ptr, ptr %3, align 8, !tbaa !5
  %51 = load i32, ptr %10, align 4, !tbaa !9
  %52 = sext i32 %51 to i64
  %53 = getelementptr inbounds i32, ptr %50, i64 %52
  %54 = load i32, ptr %53, align 4, !tbaa !9
  %55 = load i32, ptr %8, align 4, !tbaa !9
  %56 = add nsw i32 %55, %54
  store i32 %56, ptr %8, align 4, !tbaa !9
  %57 = load i32, ptr %8, align 4, !tbaa !9
  %58 = load i32, ptr %6, align 4, !tbaa !9
  %59 = icmp eq i32 %57, %58
  br i1 %59, label %60, label %63

60:                                               ; preds = %49
  %61 = load i32, ptr %10, align 4, !tbaa !9
  %62 = add nsw i32 %61, 1
  store i32 %62, ptr %9, align 4, !tbaa !9
  br label %63

63:                                               ; preds = %60, %49
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #4
  %64 = invoke ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE4findERS5_(ptr noundef nonnull align 8 dereferenceable(56) %7, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %65 unwind label %80

65:                                               ; preds = %63
  %66 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %11, i32 0, i32 0
  %67 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %66, i32 0, i32 0
  store ptr %64, ptr %67, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  %68 = call ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %7) #4
  %69 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %14, i32 0, i32 0
  %70 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %69, i32 0, i32 0
  store ptr %68, ptr %70, align 8
  %71 = call noundef zeroext i1 @_ZNSt8__detaileqERKNS_19_Node_iterator_baseISt4pairIKiiELb0EEES6_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  br i1 %71, label %72, label %88

72:                                               ; preds = %65
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #4
  invoke void @_ZNSt4pairIKiiEC2IRiS3_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS5_S6_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 4 dereferenceable(8) %15, ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %73 unwind label %84

73:                                               ; preds = %72
  %74 = invoke { ptr, i8 } @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE6insertEOS6_(ptr noundef nonnull align 8 dereferenceable(56) %7, ptr noundef nonnull align 4 dereferenceable(8) %15)
          to label %75 unwind label %84

75:                                               ; preds = %73
  %76 = getelementptr inbounds { ptr, i8 }, ptr %16, i32 0, i32 0
  %77 = extractvalue { ptr, i8 } %74, 0
  store ptr %77, ptr %76, align 8
  %78 = getelementptr inbounds { ptr, i8 }, ptr %16, i32 0, i32 1
  %79 = extractvalue { ptr, i8 } %74, 1
  store i8 %79, ptr %78, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  br label %88

80:                                               ; preds = %63
  %81 = landingpad { ptr, i32 }
          cleanup
  %82 = extractvalue { ptr, i32 } %81, 0
  store ptr %82, ptr %12, align 8
  %83 = extractvalue { ptr, i32 } %81, 1
  store i32 %83, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #4
  br label %124

84:                                               ; preds = %73, %72
  %85 = landingpad { ptr, i32 }
          cleanup
  %86 = extractvalue { ptr, i32 } %85, 0
  store ptr %86, ptr %12, align 8
  %87 = extractvalue { ptr, i32 } %85, 1
  store i32 %87, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #4
  br label %124

88:                                               ; preds = %75, %65
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #4
  %89 = load i32, ptr %8, align 4, !tbaa !9
  %90 = load i32, ptr %6, align 4, !tbaa !9
  %91 = sub nsw i32 %89, %90
  store i32 %91, ptr %18, align 4, !tbaa !9
  %92 = invoke ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE4findERS5_(ptr noundef nonnull align 8 dereferenceable(56) %7, ptr noundef nonnull align 4 dereferenceable(4) %18)
          to label %93 unwind label %112

93:                                               ; preds = %88
  %94 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %17, i32 0, i32 0
  %95 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %94, i32 0, i32 0
  store ptr %92, ptr %95, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #4
  %96 = call ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %7) #4
  %97 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %19, i32 0, i32 0
  %98 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %97, i32 0, i32 0
  store ptr %96, ptr %98, align 8
  %99 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKiiELb0EEES6_(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull align 8 dereferenceable(8) %19) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  br i1 %99, label %100, label %120

100:                                              ; preds = %93
  call void @llvm.lifetime.start.p0(i64 4, ptr %20) #4
  %101 = load i32, ptr %10, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %21) #4
  %102 = load i32, ptr %8, align 4, !tbaa !9
  %103 = load i32, ptr %6, align 4, !tbaa !9
  %104 = sub nsw i32 %102, %103
  store i32 %104, ptr %21, align 4, !tbaa !9
  %105 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixEOi(ptr noundef nonnull align 8 dereferenceable(56) %7, ptr noundef nonnull align 4 dereferenceable(4) %21)
          to label %106 unwind label %116

106:                                              ; preds = %100
  %107 = load i32, ptr %105, align 4, !tbaa !9
  %108 = sub nsw i32 %101, %107
  store i32 %108, ptr %20, align 4, !tbaa !9
  %109 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %9, ptr noundef nonnull align 4 dereferenceable(4) %20)
          to label %110 unwind label %116

110:                                              ; preds = %106
  %111 = load i32, ptr %109, align 4, !tbaa !9
  store i32 %111, ptr %9, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #4
  br label %120

112:                                              ; preds = %88
  %113 = landingpad { ptr, i32 }
          cleanup
  %114 = extractvalue { ptr, i32 } %113, 0
  store ptr %114, ptr %12, align 8
  %115 = extractvalue { ptr, i32 } %113, 1
  store i32 %115, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  br label %124

116:                                              ; preds = %106, %100
  %117 = landingpad { ptr, i32 }
          cleanup
  %118 = extractvalue { ptr, i32 } %117, 0
  store ptr %118, ptr %12, align 8
  %119 = extractvalue { ptr, i32 } %117, 1
  store i32 %119, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #4
  br label %124

120:                                              ; preds = %110, %93
  br label %121

121:                                              ; preds = %120
  %122 = load i32, ptr %10, align 4, !tbaa !9
  %123 = add nsw i32 %122, 1
  store i32 %123, ptr %10, align 4, !tbaa !9
  br label %44, !llvm.loop !13

124:                                              ; preds = %116, %112, %84, %80
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %7) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  br label %127

125:                                              ; preds = %48
  %126 = load i32, ptr %9, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %7) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  ret i32 %126

127:                                              ; preds = %124
  %128 = load ptr, ptr %12, align 8
  %129 = load i32, ptr %13, align 4
  %130 = insertvalue { ptr, i32 } poison, ptr %128, 0
  %131 = insertvalue { ptr, i32 } %130, i32 %129, 1
  resume { ptr, i32 } %131
}

; 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 nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detaileqERKNS_19_Node_iterator_baseISt4pairIKiiELb0EEES6_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE4findERS5_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE6insertEOS6_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIKiiEC2IRiS3_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS5_S6_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKiiELb0EEES6_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixEOi(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3 align 2

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

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"struct.std::__detail::_Node_iterator" = type { %"struct.std::__detail::_Node_iterator_base" }
%"struct.std::__detail::_Node_iterator_base" = type { ptr }
%"struct.std::pair.2" = type { i32, i32 }

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z9longest01Pii(ptr nocapture noundef %0, i32 noundef %1) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::unordered_map", align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %8 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %9 = alloca %"struct.std::pair.2", align 4
  %10 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %11 = alloca i32, align 4
  %12 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = icmp sgt i32 %1, 0
  br i1 %15, label %.lr.ph.preheader, label %._crit_edge22.critedge

.lr.ph.preheader:                                 ; preds = %2
  %wide.trip.count = zext nneg i32 %1 to i64
  %min.iters.check = icmp ult i32 %1, 8
  br i1 %min.iters.check, label %.lr.ph.preheader39, label %vector.ph

.lr.ph.preheader39:                               ; preds = %middle.block, %.lr.ph.preheader
  %indvars.iv.ph = phi i64 [ 0, %.lr.ph.preheader ], [ %n.vec, %middle.block ]
  br label %.lr.ph

vector.ph:                                        ; preds = %.lr.ph.preheader
  %n.vec = and i64 %wide.trip.count, 2147483640
  br label %vector.body

vector.body:                                      ; preds = %pred.store.continue38, %vector.ph
  %index = phi i64 [ 0, %vector.ph ], [ %index.next, %pred.store.continue38 ]
  %16 = or disjoint i64 %index, 4
  %17 = getelementptr inbounds i32, ptr %0, i64 %index
  %18 = getelementptr inbounds i8, ptr %17, i64 16
  %wide.load = load <4 x i32>, ptr %17, align 4, !tbaa !5
  %wide.load24 = load <4 x i32>, ptr %18, align 4, !tbaa !5
  %19 = icmp eq <4 x i32> %wide.load, zeroinitializer
  %20 = icmp eq <4 x i32> %wide.load24, zeroinitializer
  %21 = extractelement <4 x i1> %19, i64 0
  br i1 %21, label %pred.store.if, label %pred.store.continue

pred.store.if:                                    ; preds = %vector.body
  %22 = getelementptr inbounds i32, ptr %0, i64 %index
  store i32 -1, ptr %22, align 4, !tbaa !5
  br label %pred.store.continue

pred.store.continue:                              ; preds = %pred.store.if, %vector.body
  %23 = extractelement <4 x i1> %19, i64 1
  br i1 %23, label %pred.store.if25, label %pred.store.continue26

pred.store.if25:                                  ; preds = %pred.store.continue
  %24 = or disjoint i64 %index, 1
  %25 = getelementptr inbounds i32, ptr %0, i64 %24
  store i32 -1, ptr %25, align 4, !tbaa !5
  br label %pred.store.continue26

pred.store.continue26:                            ; preds = %pred.store.if25, %pred.store.continue
  %26 = extractelement <4 x i1> %19, i64 2
  br i1 %26, label %pred.store.if27, label %pred.store.continue28

pred.store.if27:                                  ; preds = %pred.store.continue26
  %27 = or disjoint i64 %index, 2
  %28 = getelementptr inbounds i32, ptr %0, i64 %27
  store i32 -1, ptr %28, align 4, !tbaa !5
  br label %pred.store.continue28

pred.store.continue28:                            ; preds = %pred.store.if27, %pred.store.continue26
  %29 = extractelement <4 x i1> %19, i64 3
  br i1 %29, label %pred.store.if29, label %pred.store.continue30

pred.store.if29:                                  ; preds = %pred.store.continue28
  %30 = or disjoint i64 %index, 3
  %31 = getelementptr inbounds i32, ptr %0, i64 %30
  store i32 -1, ptr %31, align 4, !tbaa !5
  br label %pred.store.continue30

pred.store.continue30:                            ; preds = %pred.store.if29, %pred.store.continue28
  %32 = extractelement <4 x i1> %20, i64 0
  br i1 %32, label %pred.store.if31, label %pred.store.continue32

pred.store.if31:                                  ; preds = %pred.store.continue30
  %33 = getelementptr inbounds i32, ptr %0, i64 %16
  store i32 -1, ptr %33, align 4, !tbaa !5
  br label %pred.store.continue32

pred.store.continue32:                            ; preds = %pred.store.if31, %pred.store.continue30
  %34 = extractelement <4 x i1> %20, i64 1
  br i1 %34, label %pred.store.if33, label %pred.store.continue34

pred.store.if33:                                  ; preds = %pred.store.continue32
  %35 = or disjoint i64 %index, 5
  %36 = getelementptr inbounds i32, ptr %0, i64 %35
  store i32 -1, ptr %36, align 4, !tbaa !5
  br label %pred.store.continue34

pred.store.continue34:                            ; preds = %pred.store.if33, %pred.store.continue32
  %37 = extractelement <4 x i1> %20, i64 2
  br i1 %37, label %pred.store.if35, label %pred.store.continue36

pred.store.if35:                                  ; preds = %pred.store.continue34
  %38 = or disjoint i64 %index, 6
  %39 = getelementptr inbounds i32, ptr %0, i64 %38
  store i32 -1, ptr %39, align 4, !tbaa !5
  br label %pred.store.continue36

pred.store.continue36:                            ; preds = %pred.store.if35, %pred.store.continue34
  %40 = extractelement <4 x i1> %20, i64 3
  br i1 %40, label %pred.store.if37, label %pred.store.continue38

pred.store.if37:                                  ; preds = %pred.store.continue36
  %41 = or disjoint i64 %index, 7
  %42 = getelementptr inbounds i32, ptr %0, i64 %41
  store i32 -1, ptr %42, align 4, !tbaa !5
  br label %pred.store.continue38

pred.store.continue38:                            ; preds = %pred.store.if37, %pred.store.continue36
  %index.next = add nuw i64 %index, 8
  %43 = icmp eq i64 %index.next, %n.vec
  br i1 %43, label %middle.block, label %vector.body, !llvm.loop !9

middle.block:                                     ; preds = %pred.store.continue38
  %cmp.n = icmp eq i64 %n.vec, %wide.trip.count
  br i1 %cmp.n, label %._crit_edge, label %.lr.ph.preheader39

._crit_edge:                                      ; preds = %48, %middle.block
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %3) #4
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  store i32 0, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #4
  store i32 0, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #4
  store i32 0, ptr %6, align 4, !tbaa !5
  br i1 %15, label %.lr.ph21, label %._crit_edge22

.lr.ph:                                           ; preds = %.lr.ph.preheader39, %48
  %indvars.iv = phi i64 [ %indvars.iv.next, %48 ], [ %indvars.iv.ph, %.lr.ph.preheader39 ]
  %44 = getelementptr inbounds i32, ptr %0, i64 %indvars.iv
  %45 = load i32, ptr %44, align 4, !tbaa !5
  %46 = icmp eq i32 %45, 0
  br i1 %46, label %47, label %48

47:                                               ; preds = %.lr.ph
  store i32 -1, ptr %44, align 4, !tbaa !5
  br label %48

48:                                               ; preds = %.lr.ph, %47
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !13

._crit_edge22.loopexit:                           ; preds = %89
  %.pre = load i32, ptr %5, align 4, !tbaa !5
  br label %._crit_edge22

._crit_edge22.critedge:                           ; preds = %2
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %3) #4
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  store i32 0, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #4
  store i32 0, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #4
  store i32 0, ptr %6, align 4, !tbaa !5
  br label %._crit_edge22

._crit_edge22:                                    ; preds = %._crit_edge22.critedge, %._crit_edge22.loopexit, %._crit_edge
  %49 = phi i32 [ %.pre, %._crit_edge22.loopexit ], [ 0, %._crit_edge ], [ 0, %._crit_edge22.critedge ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %3) #4
  ret i32 %49

.lr.ph21:                                         ; preds = %._crit_edge, %89
  %storemerge19 = phi i32 [ %91, %89 ], [ 0, %._crit_edge ]
  %50 = sext i32 %storemerge19 to i64
  %51 = getelementptr inbounds i32, ptr %0, i64 %50
  %52 = load i32, ptr %51, align 4, !tbaa !5
  %53 = load i32, ptr %4, align 4, !tbaa !5
  %54 = add nsw i32 %53, %52
  store i32 %54, ptr %4, align 4, !tbaa !5
  %55 = icmp eq i32 %54, 0
  br i1 %55, label %56, label %58

56:                                               ; preds = %.lr.ph21
  %57 = add nsw i32 %storemerge19, 1
  store i32 %57, ptr %5, align 4, !tbaa !5
  br label %58

58:                                               ; preds = %56, %.lr.ph21
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %59 = invoke ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE4findERS5_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %60 unwind label %66

60:                                               ; preds = %58
  store ptr %59, ptr %7, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  %61 = call ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %3) #4
  store ptr %61, ptr %8, align 8
  %62 = call noundef zeroext i1 @_ZNSt8__detaileqERKNS_19_Node_iterator_baseISt4pairIKiiELb0EEES6_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  br i1 %62, label %63, label %70

63:                                               ; preds = %60
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #4
  call void @_ZNSt4pairIKiiEC2IRiS3_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS5_S6_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 4 dereferenceable(8) %9, ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %64 = invoke { ptr, i8 } @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE6insertEOS6_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 4 dereferenceable(8) %9)
          to label %65 unwind label %68

65:                                               ; preds = %63
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  br label %70

66:                                               ; preds = %58
  %67 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  br label %93

68:                                               ; preds = %63
  %69 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #4
  br label %93

70:                                               ; preds = %65, %60
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %11) #4
  %71 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %71, ptr %11, align 4, !tbaa !5
  %72 = invoke ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE4findERS5_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %73 unwind label %85

73:                                               ; preds = %70
  store ptr %72, ptr %10, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #4
  %74 = call ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %3) #4
  store ptr %74, ptr %12, align 8
  %75 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKiiELb0EEES6_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %12) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  br i1 %75, label %76, label %89

76:                                               ; preds = %73
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %13) #4
  %77 = load i32, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %14) #4
  %78 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %78, ptr %14, align 4, !tbaa !5
  %79 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixEOi(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %80 unwind label %87

80:                                               ; preds = %76
  %81 = load i32, ptr %79, align 4, !tbaa !5
  %82 = sub nsw i32 %77, %81
  store i32 %82, ptr %13, align 4, !tbaa !5
  %83 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %13)
  %84 = load i32, ptr %83, align 4, !tbaa !5
  store i32 %84, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %14) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %13) #4
  br label %89

85:                                               ; preds = %70
  %86 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  br label %93

87:                                               ; preds = %76
  %88 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %14) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %13) #4
  br label %93

89:                                               ; preds = %73, %80
  %90 = load i32, ptr %6, align 4, !tbaa !5
  %91 = add nsw i32 %90, 1
  store i32 %91, ptr %6, align 4, !tbaa !5
  %92 = icmp slt i32 %91, %1
  br i1 %92, label %.lr.ph21, label %._crit_edge22.loopexit, !llvm.loop !14

93:                                               ; preds = %87, %85, %68, %66
  %.pn = phi { ptr, i32 } [ %88, %87 ], [ %86, %85 ], [ %69, %68 ], [ %67, %66 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #4
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %3) #4
  resume { ptr, i32 } %.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 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 void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detaileqERKNS_19_Node_iterator_baseISt4pairIKiiELb0EEES6_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE4findERS5_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEE6insertEOS6_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt4pairIKiiEC2IRiS3_TnNSt9enable_ifIXaaclsr5_PCCPE22_MoveConstructiblePairIT_T0_EEclsr5_PCCPE30_ImplicitlyMoveConvertiblePairIS5_S6_EEEbE4typeELb1EEEOS5_OS6_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseISt4pairIKiiELb0EEES6_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEEixEOi(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_mapIiiSt4hashIiESt8equal_toIiESaISt4pairIKiiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3 align 2

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

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

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


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopLoadEliminationPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,LoopVectorizePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass