; LLVM IR from VAR-solutions/Algorithms :: Recursive Algorithms/MaximumSubarray/cpp (maximum_subarray)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<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::allocator" = type { i8 }

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z26find_max_crossing_subarraySt6vectorIiSaIiEEiii(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef, i32 noundef, i32 noundef, i32 noundef) #0

; 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 @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #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 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 void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z17find_max_subarraySt6vectorIiSaIiEEii(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) #0 personality ptr @__gxx_personality_v0 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i1, align 1
  %10 = alloca %"class.std::allocator", align 1
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i1, align 1
  %15 = alloca %"class.std::allocator", align 1
  %16 = alloca %"class.std::vector", align 8
  %17 = alloca %"class.std::vector", align 8
  %18 = alloca %"class.std::vector", align 8
  %19 = alloca %"class.std::vector", align 8
  %20 = alloca %"class.std::vector", align 8
  %21 = alloca %"class.std::vector", align 8
  store ptr %0, ptr %5, align 8
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i32 %2, ptr %7, align 4, !tbaa !9
  store i32 %3, ptr %8, align 4, !tbaa !9
  %22 = load i32, ptr %8, align 4, !tbaa !9
  %23 = load i32, ptr %7, align 4, !tbaa !9
  %24 = icmp eq i32 %22, %23
  br i1 %24, label %25, label %43

25:                                               ; preds = %4
  store i1 false, ptr %9, align 1
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #3
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 3, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %26 unwind label %37

26:                                               ; preds = %25
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #3
  %27 = load i32, ptr %7, align 4, !tbaa !9
  %28 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #3
  store i32 %27, ptr %28, align 4, !tbaa !9
  %29 = load i32, ptr %8, align 4, !tbaa !9
  %30 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 1) #3
  store i32 %29, ptr %30, align 4, !tbaa !9
  %31 = load i32, ptr %7, align 4, !tbaa !9
  %32 = sext i32 %31 to i64
  %33 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %32) #3
  %34 = load i32, ptr %33, align 4, !tbaa !9
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 2) #3
  store i32 %34, ptr %35, align 4, !tbaa !9
  store i1 true, ptr %9, align 1
  %36 = load i1, ptr %9, align 1
  br i1 %36, label %42, label %41

37:                                               ; preds = %25
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %11, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %12, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #3
  br label %137

41:                                               ; preds = %26
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %42

42:                                               ; preds = %41, %26
  br label %136

43:                                               ; preds = %4
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #3
  %44 = load i32, ptr %7, align 4, !tbaa !9
  %45 = load i32, ptr %8, align 4, !tbaa !9
  %46 = add nsw i32 %44, %45
  %47 = sdiv i32 %46, 2
  store i32 %47, ptr %13, align 4, !tbaa !9
  store i1 false, ptr %14, align 1
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #3
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 3, ptr noundef nonnull align 1 dereferenceable(1) %15)
          to label %48 unwind label %77

48:                                               ; preds = %43
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %16) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %17, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %49 unwind label %81

49:                                               ; preds = %48
  %50 = load i32, ptr %7, align 4, !tbaa !9
  %51 = load i32, ptr %13, align 4, !tbaa !9
  invoke void @_Z17find_max_subarraySt6vectorIiSaIiEEii(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %16, ptr noundef %17, i32 noundef %50, i32 noundef %51)
          to label %52 unwind label %85

52:                                               ; preds = %49
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %18) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %19, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %53 unwind label %89

53:                                               ; preds = %52
  %54 = load i32, ptr %13, align 4, !tbaa !9
  %55 = add nsw i32 %54, 1
  %56 = load i32, ptr %8, align 4, !tbaa !9
  invoke void @_Z17find_max_subarraySt6vectorIiSaIiEEii(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %18, ptr noundef %19, i32 noundef %55, i32 noundef %56)
          to label %57 unwind label %93

57:                                               ; preds = %53
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %20) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %21, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %58 unwind label %97

58:                                               ; preds = %57
  %59 = load i32, ptr %7, align 4, !tbaa !9
  %60 = load i32, ptr %13, align 4, !tbaa !9
  %61 = load i32, ptr %8, align 4, !tbaa !9
  invoke void @_Z26find_max_crossing_subarraySt6vectorIiSaIiEEiii(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %20, ptr noundef %21, i32 noundef %59, i32 noundef %60, i32 noundef %61)
          to label %62 unwind label %101

62:                                               ; preds = %58
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %21) #3
  %63 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %16, i64 noundef 2) #3
  %64 = load i32, ptr %63, align 4, !tbaa !9
  %65 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %18, i64 noundef 2) #3
  %66 = load i32, ptr %65, align 4, !tbaa !9
  %67 = icmp sge i32 %64, %66
  br i1 %67, label %68, label %109

68:                                               ; preds = %62
  %69 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %16, i64 noundef 2) #3
  %70 = load i32, ptr %69, align 4, !tbaa !9
  %71 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %20, i64 noundef 2) #3
  %72 = load i32, ptr %71, align 4, !tbaa !9
  %73 = icmp sge i32 %70, %72
  br i1 %73, label %74, label %109

74:                                               ; preds = %68
  %75 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %16)
          to label %76 unwind label %105

76:                                               ; preds = %74
  br label %128

77:                                               ; preds = %43
  %78 = landingpad { ptr, i32 }
          cleanup
  %79 = extractvalue { ptr, i32 } %78, 0
  store ptr %79, ptr %11, align 8
  %80 = extractvalue { ptr, i32 } %78, 1
  store i32 %80, ptr %12, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %15) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #3
  br label %135

81:                                               ; preds = %48
  %82 = landingpad { ptr, i32 }
          cleanup
  %83 = extractvalue { ptr, i32 } %82, 0
  store ptr %83, ptr %11, align 8
  %84 = extractvalue { ptr, i32 } %82, 1
  store i32 %84, ptr %12, align 4
  br label %132

85:                                               ; preds = %49
  %86 = landingpad { ptr, i32 }
          cleanup
  %87 = extractvalue { ptr, i32 } %86, 0
  store ptr %87, ptr %11, align 8
  %88 = extractvalue { ptr, i32 } %86, 1
  store i32 %88, ptr %12, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %17) #3
  br label %132

89:                                               ; preds = %52
  %90 = landingpad { ptr, i32 }
          cleanup
  %91 = extractvalue { ptr, i32 } %90, 0
  store ptr %91, ptr %11, align 8
  %92 = extractvalue { ptr, i32 } %90, 1
  store i32 %92, ptr %12, align 4
  br label %131

93:                                               ; preds = %53
  %94 = landingpad { ptr, i32 }
          cleanup
  %95 = extractvalue { ptr, i32 } %94, 0
  store ptr %95, ptr %11, align 8
  %96 = extractvalue { ptr, i32 } %94, 1
  store i32 %96, ptr %12, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #3
  br label %131

97:                                               ; preds = %57
  %98 = landingpad { ptr, i32 }
          cleanup
  %99 = extractvalue { ptr, i32 } %98, 0
  store ptr %99, ptr %11, align 8
  %100 = extractvalue { ptr, i32 } %98, 1
  store i32 %100, ptr %12, align 4
  br label %130

101:                                              ; preds = %58
  %102 = landingpad { ptr, i32 }
          cleanup
  %103 = extractvalue { ptr, i32 } %102, 0
  store ptr %103, ptr %11, align 8
  %104 = extractvalue { ptr, i32 } %102, 1
  store i32 %104, ptr %12, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %21) #3
  br label %130

105:                                              ; preds = %124, %121, %74
  %106 = landingpad { ptr, i32 }
          cleanup
  %107 = extractvalue { ptr, i32 } %106, 0
  store ptr %107, ptr %11, align 8
  %108 = extractvalue { ptr, i32 } %106, 1
  store i32 %108, ptr %12, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %20) #3
  br label %130

109:                                              ; preds = %68, %62
  %110 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %18, i64 noundef 2) #3
  %111 = load i32, ptr %110, align 4, !tbaa !9
  %112 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %16, i64 noundef 2) #3
  %113 = load i32, ptr %112, align 4, !tbaa !9
  %114 = icmp sge i32 %111, %113
  br i1 %114, label %115, label %124

115:                                              ; preds = %109
  %116 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %18, i64 noundef 2) #3
  %117 = load i32, ptr %116, align 4, !tbaa !9
  %118 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %20, i64 noundef 2) #3
  %119 = load i32, ptr %118, align 4, !tbaa !9
  %120 = icmp sge i32 %117, %119
  br i1 %120, label %121, label %124

121:                                              ; preds = %115
  %122 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %18)
          to label %123 unwind label %105

123:                                              ; preds = %121
  br label %127

124:                                              ; preds = %115, %109
  %125 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %20)
          to label %126 unwind label %105

126:                                              ; preds = %124
  br label %127

127:                                              ; preds = %126, %123
  br label %128

128:                                              ; preds = %127, %76
  store i1 true, ptr %14, align 1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %20) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %20) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %18) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %18) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %16) #3
  %129 = load i1, ptr %14, align 1
  br i1 %129, label %134, label %133

130:                                              ; preds = %105, %101, %97
  call void @llvm.lifetime.end.p0(i64 24, ptr %20) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %18) #3
  br label %131

131:                                              ; preds = %130, %93, %89
  call void @llvm.lifetime.end.p0(i64 24, ptr %18) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #3
  br label %132

132:                                              ; preds = %131, %85, %81
  call void @llvm.lifetime.end.p0(i64 24, ptr %16) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %135

133:                                              ; preds = %128
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %134

134:                                              ; preds = %133, %128
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  br label %136

135:                                              ; preds = %132, %77
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  br label %137

136:                                              ; preds = %134, %42
  ret void

137:                                              ; preds = %135, %37
  %138 = load ptr, ptr %11, align 8
  %139 = load i32, ptr %12, align 4
  %140 = insertvalue { ptr, i32 } poison, ptr %138, 0
  %141 = insertvalue { ptr, i32 } %140, i32 %139, 1
  resume { ptr, i32 } %141
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 = { 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}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<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::allocator" = type { i8 }

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z26find_max_crossing_subarraySt6vectorIiSaIiEEiii(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef, i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) 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 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 void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z17find_max_subarraySt6vectorIiSaIiEEii(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca %"class.std::vector", align 8
  %12 = alloca %"class.std::vector", align 8
  %13 = icmp eq i32 %3, %2
  br i1 %13, label %14, label %24

14:                                               ; preds = %4
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #3
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 3, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %15 unwind label %22

15:                                               ; preds = %14
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #3
  %16 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #3
  store i32 %3, ptr %16, align 4, !tbaa !5
  %17 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 1) #3
  store i32 %3, ptr %17, align 4, !tbaa !5
  %18 = sext i32 %3 to i64
  %19 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %18) #3
  %20 = load i32, ptr %19, align 4, !tbaa !5
  %21 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 2) #3
  store i32 %20, ptr %21, align 4, !tbaa !5
  br label %77

22:                                               ; preds = %14
  %23 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #3
  br label %78

24:                                               ; preds = %4
  %25 = add nsw i32 %3, %2
  %26 = sdiv i32 %25, 2
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #3
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 3, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %27 unwind label %44

27:                                               ; preds = %24
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %8, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %28 unwind label %46

28:                                               ; preds = %27
  invoke void @_Z17find_max_subarraySt6vectorIiSaIiEEii(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %7, ptr noundef nonnull %8, i32 noundef %2, i32 noundef %26)
          to label %29 unwind label %48

29:                                               ; preds = %28
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %9) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %30 unwind label %50

30:                                               ; preds = %29
  %31 = add nsw i32 %26, 1
  invoke void @_Z17find_max_subarraySt6vectorIiSaIiEEii(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %9, ptr noundef nonnull %10, i32 noundef %31, i32 noundef %3)
          to label %32 unwind label %52

32:                                               ; preds = %30
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %11) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef nonnull align 8 dereferenceable(24) %1)
          to label %33 unwind label %54

33:                                               ; preds = %32
  invoke void @_Z26find_max_crossing_subarraySt6vectorIiSaIiEEiii(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %11, ptr noundef nonnull %12, i32 noundef %2, i32 noundef %26, i32 noundef %3)
          to label %34 unwind label %56

34:                                               ; preds = %33
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #3
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef 2) #3
  %36 = load i32, ptr %35, align 4, !tbaa !5
  %37 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef 2) #3
  %38 = load i32, ptr %37, align 4, !tbaa !5
  %.not = icmp slt i32 %36, %38
  br i1 %.not, label %60, label %39

39:                                               ; preds = %34
  %40 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef 2) #3
  %41 = load i32, ptr %40, align 4, !tbaa !5
  %42 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef 2) #3
  %43 = load i32, ptr %42, align 4, !tbaa !5
  %.not26 = icmp slt i32 %41, %43
  br i1 %.not26, label %60, label %.invoke

44:                                               ; preds = %24
  %45 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #3
  br label %78

46:                                               ; preds = %27
  %47 = landingpad { ptr, i32 }
          cleanup
  br label %76

48:                                               ; preds = %28
  %49 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #3
  br label %76

50:                                               ; preds = %29
  %51 = landingpad { ptr, i32 }
          cleanup
  br label %75

52:                                               ; preds = %30
  %53 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #3
  br label %75

54:                                               ; preds = %32
  %55 = landingpad { ptr, i32 }
          cleanup
  br label %74

56:                                               ; preds = %33
  %57 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #3
  br label %74

58:                                               ; preds = %.invoke
  %59 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #3
  br label %74

60:                                               ; preds = %39, %34
  %61 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef 2) #3
  %62 = load i32, ptr %61, align 4, !tbaa !5
  %63 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef 2) #3
  %64 = load i32, ptr %63, align 4, !tbaa !5
  %.not27 = icmp slt i32 %62, %64
  br i1 %.not27, label %70, label %65

65:                                               ; preds = %60
  %66 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef 2) #3
  %67 = load i32, ptr %66, align 4, !tbaa !5
  %68 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef 2) #3
  %69 = load i32, ptr %68, align 4, !tbaa !5
  %.not28 = icmp slt i32 %67, %69
  br i1 %.not28, label %70, label %.invoke

70:                                               ; preds = %65, %60
  br label %.invoke

.invoke:                                          ; preds = %39, %65, %70
  %71 = phi ptr [ %11, %70 ], [ %9, %65 ], [ %7, %39 ]
  %72 = invoke noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %71)
          to label %73 unwind label %58

73:                                               ; preds = %.invoke
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %11) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %9) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #3
  br label %77

74:                                               ; preds = %58, %56, %54
  %.pn = phi { ptr, i32 } [ %59, %58 ], [ %57, %56 ], [ %55, %54 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %11) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  br label %75

75:                                               ; preds = %74, %52, %50
  %.pn.pn = phi { ptr, i32 } [ %.pn, %74 ], [ %53, %52 ], [ %51, %50 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %9) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  br label %76

76:                                               ; preds = %75, %48, %46
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %75 ], [ %49, %48 ], [ %47, %46 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %78

77:                                               ; preds = %15, %73
  ret void

78:                                               ; preds = %44, %76, %22
  %.pn33 = phi { ptr, i32 } [ %23, %22 ], [ %.pn.pn.pn, %76 ], [ %45, %44 ]
  resume { ptr, i32 } %.pn33
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIiSaIiEEaSERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) 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 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,SimplifyCFGPass