; LLVM IR from AnneLivia/Competitive-Programming :: Online Judges/URI/2026/main.ll (Z13branchMaximumRKi)

; 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::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::allocator.2" = type { i8 }

@packet = external dso_local global %"class.std::vector", align 8
@weight = external dso_local global %"class.std::vector", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z13branchMaximumRKi(ptr noundef nonnull align 4 dereferenceable(4) %0) #1 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector.0", align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca %"class.std::allocator.2", align 1
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  %16 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @packet) #4
  %17 = trunc i64 %16 to i32
  store i32 %17, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #4
  %18 = load ptr, ptr %2, align 8, !tbaa !5
  %19 = load i32, ptr %18, align 4, !tbaa !9
  %20 = add nsw i32 %19, 1
  %21 = sext i32 %20 to i64
  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 1, ptr %7) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %21, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %22 unwind label %30

22:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #4
  call void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #4
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 2, ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %23 unwind label %34

23:                                               ; preds = %22
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  store i32 1, ptr %11, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  store i32 1, ptr %12, align 4, !tbaa !9
  br label %24

24:                                               ; preds = %123, %23
  %25 = load i32, ptr %12, align 4, !tbaa !9
  %26 = load i32, ptr %3, align 4, !tbaa !9
  %27 = add nsw i32 %26, 1
  %28 = icmp slt i32 %25, %27
  br i1 %28, label %39, label %29

29:                                               ; preds = %24
  store i32 2, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  br label %126

30:                                               ; preds = %1
  %31 = landingpad { ptr, i32 }
          cleanup
  %32 = extractvalue { ptr, i32 } %31, 0
  store ptr %32, ptr %8, align 8
  %33 = extractvalue { ptr, i32 } %31, 1
  store i32 %33, ptr %9, align 4
  br label %38

34:                                               ; preds = %22
  %35 = landingpad { ptr, i32 }
          cleanup
  %36 = extractvalue { ptr, i32 } %35, 0
  store ptr %36, ptr %8, align 8
  %37 = extractvalue { ptr, i32 } %35, 1
  store i32 %37, ptr %9, align 4
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #4
  br label %38

38:                                               ; preds = %34, %30
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #4
  br label %137

39:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  store i32 0, ptr %14, align 4, !tbaa !9
  br label %40

40:                                               ; preds = %115, %39
  %41 = load i32, ptr %14, align 4, !tbaa !9
  %42 = load ptr, ptr %2, align 8, !tbaa !5
  %43 = load i32, ptr %42, align 4, !tbaa !9
  %44 = add nsw i32 %43, 1
  %45 = icmp slt i32 %41, %44
  br i1 %45, label %47, label %46

46:                                               ; preds = %40
  store i32 5, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  br label %118

47:                                               ; preds = %40
  %48 = load i32, ptr %11, align 4, !tbaa !9
  %49 = icmp ne i32 %48, 0
  %50 = xor i1 %49, true
  %51 = zext i1 %50 to i64
  %52 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %51) #4
  %53 = load i32, ptr %14, align 4, !tbaa !9
  %54 = sext i32 %53 to i64
  %55 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %52, i64 noundef %54) #4
  %56 = load i32, ptr %55, align 4, !tbaa !9
  %57 = load i32, ptr %11, align 4, !tbaa !9
  %58 = sext i32 %57 to i64
  %59 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %58) #4
  %60 = load i32, ptr %14, align 4, !tbaa !9
  %61 = sext i32 %60 to i64
  %62 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %59, i64 noundef %61) #4
  store i32 %56, ptr %62, align 4, !tbaa !9
  %63 = load i32, ptr %14, align 4, !tbaa !9
  %64 = load i32, ptr %12, align 4, !tbaa !9
  %65 = sub nsw i32 %64, 1
  %66 = sext i32 %65 to i64
  %67 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @weight, i64 noundef %66) #4
  %68 = load i32, ptr %67, align 4, !tbaa !9
  %69 = sub nsw i32 %63, %68
  %70 = icmp sge i32 %69, 0
  br i1 %70, label %71, label %114

71:                                               ; preds = %47
  %72 = load i32, ptr %11, align 4, !tbaa !9
  %73 = icmp ne i32 %72, 0
  %74 = xor i1 %73, true
  %75 = zext i1 %74 to i64
  %76 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %75) #4
  %77 = load i32, ptr %14, align 4, !tbaa !9
  %78 = sext i32 %77 to i64
  %79 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %76, i64 noundef %78) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #4
  %80 = load i32, ptr %11, align 4, !tbaa !9
  %81 = icmp ne i32 %80, 0
  %82 = xor i1 %81, true
  %83 = zext i1 %82 to i64
  %84 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %83) #4
  %85 = load i32, ptr %14, align 4, !tbaa !9
  %86 = load i32, ptr %12, align 4, !tbaa !9
  %87 = sub nsw i32 %86, 1
  %88 = sext i32 %87 to i64
  %89 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @weight, i64 noundef %88) #4
  %90 = load i32, ptr %89, align 4, !tbaa !9
  %91 = sub nsw i32 %85, %90
  %92 = sext i32 %91 to i64
  %93 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %84, i64 noundef %92) #4
  %94 = load i32, ptr %93, align 4, !tbaa !9
  %95 = load i32, ptr %12, align 4, !tbaa !9
  %96 = sub nsw i32 %95, 1
  %97 = sext i32 %96 to i64
  %98 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @packet, i64 noundef %97) #4
  %99 = load i32, ptr %98, align 4, !tbaa !9
  %100 = add nsw i32 %94, %99
  store i32 %100, ptr %15, align 4, !tbaa !9
  %101 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %79, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %102 unwind label %110

102:                                              ; preds = %71
  %103 = load i32, ptr %101, align 4, !tbaa !9
  %104 = load i32, ptr %11, align 4, !tbaa !9
  %105 = sext i32 %104 to i64
  %106 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %105) #4
  %107 = load i32, ptr %14, align 4, !tbaa !9
  %108 = sext i32 %107 to i64
  %109 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %106, i64 noundef %108) #4
  store i32 %103, ptr %109, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #4
  br label %114

110:                                              ; preds = %71
  %111 = landingpad { ptr, i32 }
          cleanup
  %112 = extractvalue { ptr, i32 } %111, 0
  store ptr %112, ptr %8, align 8
  %113 = extractvalue { ptr, i32 } %111, 1
  store i32 %113, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  br label %137

114:                                              ; preds = %102, %47
  br label %115

115:                                              ; preds = %114
  %116 = load i32, ptr %14, align 4, !tbaa !9
  %117 = add nsw i32 %116, 1
  store i32 %117, ptr %14, align 4, !tbaa !9
  br label %40, !llvm.loop !11

118:                                              ; preds = %46
  %119 = load i32, ptr %11, align 4, !tbaa !9
  %120 = icmp ne i32 %119, 0
  %121 = xor i1 %120, true
  %122 = zext i1 %121 to i32
  store i32 %122, ptr %11, align 4, !tbaa !9
  br label %123

123:                                              ; preds = %118
  %124 = load i32, ptr %12, align 4, !tbaa !9
  %125 = add nsw i32 %124, 1
  store i32 %125, ptr %12, align 4, !tbaa !9
  br label %24, !llvm.loop !13

126:                                              ; preds = %29
  %127 = load i32, ptr %11, align 4, !tbaa !9
  %128 = icmp ne i32 %127, 0
  %129 = xor i1 %128, true
  %130 = zext i1 %129 to i64
  %131 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %130) #4
  %132 = load ptr, ptr %2, align 8, !tbaa !5
  %133 = load i32, ptr %132, align 4, !tbaa !9
  %134 = sext i32 %133 to i64
  %135 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %131, i64 noundef %134) #4
  %136 = load i32, ptr %135, align 4, !tbaa !9
  store i32 1, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  ret i32 %136

137:                                              ; preds = %110, %38
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  br label %138

138:                                              ; preds = %137
  %139 = load ptr, ptr %8, align 8
  %140 = load i32, ptr %9, align 4
  %141 = insertvalue { ptr, i32 } poison, ptr %139, 0
  %142 = insertvalue { ptr, i32 } %141, i32 %140, 1
  resume { ptr, i32 } %142
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 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) #0 align 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 nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

attributes #0 = { 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 #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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::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::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::allocator.2" = type { i8 }

@packet = external dso_local global %"class.std::vector", align 8
@weight = external dso_local global %"class.std::vector", align 8

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z13branchMaximumRKi(ptr nocapture noundef nonnull readonly align 4 dereferenceable(4) %0) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::vector.0", align 8
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::allocator.2", align 1
  %7 = alloca i32, align 4
  %8 = tail call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) @packet) #4
  %9 = trunc i64 %8 to i32
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #4
  %10 = load i32, ptr %0, align 4, !tbaa !5
  %11 = add nsw i32 %10, 1
  %12 = sext i32 %11 to i64
  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 1, ptr nonnull %5) #4
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  invoke void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %12, ptr noundef nonnull align 4 dereferenceable(4) %4, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %13 unwind label %30

13:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #4
  call void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef 2, ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %14 unwind label %32

14:                                               ; preds = %13
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  %.not37 = icmp slt i32 %9, 1
  br i1 %.not37, label %._crit_edge40, label %.preheader.lr.ph

.preheader.lr.ph:                                 ; preds = %14
  %15 = load i32, ptr %0, align 4, !tbaa !5
  %16 = icmp slt i32 %15, 0
  br i1 %16, label %.preheader.us.preheader, label %.preheader.preheader

.preheader.us.preheader:                          ; preds = %.preheader.lr.ph
  %xtraiter = and i32 %9, 7
  %17 = icmp ult i32 %9, 8
  br i1 %17, label %._crit_edge40.loopexit.unr-lcssa, label %.preheader.us.preheader.new

.preheader.us.preheader.new:                      ; preds = %.preheader.us.preheader
  %unroll_iter = and i32 %9, 2147483640
  br label %.preheader.us

.preheader.preheader:                             ; preds = %.preheader.lr.ph
  %18 = add nuw nsw i64 %8, 1
  %wide.trip.count = and i64 %18, 4294967295
  br label %.preheader

.preheader.us:                                    ; preds = %.preheader.us, %.preheader.us.preheader.new
  %niter = phi i32 [ 0, %.preheader.us.preheader.new ], [ %niter.next.7, %.preheader.us ]
  %niter.next.7 = add i32 %niter, 8
  %niter.ncmp.7 = icmp eq i32 %niter.next.7, %unroll_iter
  br i1 %niter.ncmp.7, label %._crit_edge40.loopexit.unr-lcssa, label %.preheader.us, !llvm.loop !9

.preheader:                                       ; preds = %.preheader.preheader, %._crit_edge
  %19 = phi i32 [ %15, %.preheader.preheader ], [ %35, %._crit_edge ]
  %indvars.iv43 = phi i64 [ 1, %.preheader.preheader ], [ %indvars.iv.next44, %._crit_edge ]
  %.02638 = phi i32 [ 1, %.preheader.preheader ], [ %36, %._crit_edge ]
  %.not3135 = icmp slt i32 %19, 0
  br i1 %.not3135, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader
  %.not33 = icmp eq i32 %.02638, 0
  %20 = zext i1 %.not33 to i64
  %21 = zext nneg i32 %.02638 to i64
  %22 = add nsw i64 %indvars.iv43, -1
  br label %37

._crit_edge40.loopexit.unr-lcssa:                 ; preds = %.preheader.us, %.preheader.us.preheader
  %lcmp.mod.not = icmp eq i32 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge40, label %.preheader.us.epil

.preheader.us.epil:                               ; preds = %._crit_edge40.loopexit.unr-lcssa, %.preheader.us.epil
  %.02638.us.epil = phi i32 [ %23, %.preheader.us.epil ], [ 1, %._crit_edge40.loopexit.unr-lcssa ]
  %epil.iter = phi i32 [ %epil.iter.next, %.preheader.us.epil ], [ 0, %._crit_edge40.loopexit.unr-lcssa ]
  %23 = xor i32 %.02638.us.epil, 1
  %epil.iter.next = add i32 %epil.iter, 1
  %epil.iter.cmp.not = icmp eq i32 %epil.iter.next, %xtraiter
  br i1 %epil.iter.cmp.not, label %._crit_edge40, label %.preheader.us.epil, !llvm.loop !11

._crit_edge40:                                    ; preds = %._crit_edge, %._crit_edge40.loopexit.unr-lcssa, %.preheader.us.epil, %14
  %.026.lcssa = phi i32 [ 0, %14 ], [ 0, %._crit_edge40.loopexit.unr-lcssa ], [ %.02638.us.epil, %.preheader.us.epil ], [ %.02638, %._crit_edge ]
  %24 = zext nneg i32 %.026.lcssa to i64
  %25 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %24) #4
  %26 = load i32, ptr %0, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %25, i64 noundef %27) #4
  %29 = load i32, ptr %28, align 4, !tbaa !5
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #4
  ret i32 %29

30:                                               ; preds = %1
  %31 = landingpad { ptr, i32 }
          cleanup
  br label %34

32:                                               ; preds = %13
  %33 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #4
  br label %34

34:                                               ; preds = %32, %30
  %.pn = phi { ptr, i32 } [ %33, %32 ], [ %31, %30 ]
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #4
  resume { ptr, i32 } %.pn

._crit_edge:                                      ; preds = %64, %.preheader
  %35 = phi i32 [ %19, %.preheader ], [ %65, %64 ]
  %36 = xor i32 %.02638, 1
  %indvars.iv.next44 = add nuw nsw i64 %indvars.iv43, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next44, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge40, label %.preheader, !llvm.loop !13

37:                                               ; preds = %.lr.ph, %64
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %64 ]
  %38 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %20) #4
  %39 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %38, i64 noundef %indvars.iv) #4
  %40 = load i32, ptr %39, align 4, !tbaa !5
  %41 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %21) #4
  %42 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %41, i64 noundef %indvars.iv) #4
  store i32 %40, ptr %42, align 4, !tbaa !5
  %43 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @weight, i64 noundef %22) #4
  %44 = load i32, ptr %43, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %.not34 = icmp slt i64 %indvars.iv, %45
  br i1 %.not34, label %64, label %46

46:                                               ; preds = %37
  %47 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %20) #4
  %48 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %47, i64 noundef %indvars.iv) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #4
  %49 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %20) #4
  %50 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @weight, i64 noundef %22) #4
  %51 = load i32, ptr %50, align 4, !tbaa !5
  %52 = trunc nuw nsw i64 %indvars.iv to i32
  %53 = sub nsw i32 %52, %51
  %54 = sext i32 %53 to i64
  %55 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %49, i64 noundef %54) #4
  %56 = load i32, ptr %55, align 4, !tbaa !5
  %57 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) @packet, i64 noundef %22) #4
  %58 = load i32, ptr %57, align 4, !tbaa !5
  %59 = add nsw i32 %58, %56
  store i32 %59, ptr %7, align 4, !tbaa !5
  %60 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %48, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %61 = load i32, ptr %60, align 4, !tbaa !5
  %62 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %21) #4
  %63 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %62, i64 noundef %indvars.iv) #4
  store i32 %61, ptr %63, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #4
  br label %64

64:                                               ; preds = %37, %46
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %65 = load i32, ptr %0, align 4, !tbaa !5
  %66 = sext i32 %65 to i64
  %.not31.not = icmp slt i64 %indvars.iv, %66
  br i1 %.not31.not, label %37, label %._crit_edge, !llvm.loop !15
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2EmRKiRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS1_RKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 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 #0 align 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 nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

attributes #0 = { 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 #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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.unroll.disable"}
!13 = distinct !{!13, !10, !14}
!14 = !{!"llvm.loop.unswitch.partial.disable"}
!15 = distinct !{!15, !10}


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