; LLVM IR from UtkarshPathrabe/Competitive-Coding :: Model Algorithms/Sorting/MergeSort.ll (Z5MergeRSt6vectorIiSaIiEEiii)

; 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 }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

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

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5MergeRSt6vectorIiSaIiEEiii(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) #2 personality ptr @__gxx_personality_v0 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca %"class.std::vector", align 8
  %15 = alloca %"class.std::vector", align 8
  %16 = alloca ptr, align 8
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  store i32 %3, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %14) #3
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %15) #3
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %15) #3
  %20 = load i32, ptr %7, align 4, !tbaa !9
  %21 = load i32, ptr %6, align 4, !tbaa !9
  %22 = sub nsw i32 %20, %21
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %9, align 4, !tbaa !9
  %24 = load i32, ptr %8, align 4, !tbaa !9
  %25 = load i32, ptr %7, align 4, !tbaa !9
  %26 = sub nsw i32 %24, %25
  store i32 %26, ptr %10, align 4, !tbaa !9
  store i32 0, ptr %11, align 4, !tbaa !9
  br label %27

27:                                               ; preds = %39, %4
  %28 = load i32, ptr %11, align 4, !tbaa !9
  %29 = load i32, ptr %9, align 4, !tbaa !9
  %30 = icmp slt i32 %28, %29
  br i1 %30, label %31, label %46

31:                                               ; preds = %27
  %32 = load ptr, ptr %5, align 8, !tbaa !5
  %33 = load i32, ptr %6, align 4, !tbaa !9
  %34 = load i32, ptr %11, align 4, !tbaa !9
  %35 = add nsw i32 %33, %34
  %36 = sext i32 %35 to i64
  %37 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %32, i64 noundef %36) #3
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %14, ptr noundef nonnull align 4 dereferenceable(4) %37)
          to label %38 unwind label %42

38:                                               ; preds = %31
  br label %39

39:                                               ; preds = %38
  %40 = load i32, ptr %11, align 4, !tbaa !9
  %41 = add nsw i32 %40, 1
  store i32 %41, ptr %11, align 4, !tbaa !9
  br label %27, !llvm.loop !11

42:                                               ; preds = %51, %31
  %43 = landingpad { ptr, i32 }
          cleanup
  %44 = extractvalue { ptr, i32 } %43, 0
  store ptr %44, ptr %16, align 8
  %45 = extractvalue { ptr, i32 } %43, 1
  store i32 %45, ptr %17, align 4
  br label %116

46:                                               ; preds = %27
  store i32 0, ptr %11, align 4, !tbaa !9
  br label %47

47:                                               ; preds = %60, %46
  %48 = load i32, ptr %11, align 4, !tbaa !9
  %49 = load i32, ptr %10, align 4, !tbaa !9
  %50 = icmp slt i32 %48, %49
  br i1 %50, label %51, label %63

51:                                               ; preds = %47
  %52 = load ptr, ptr %5, align 8, !tbaa !5
  %53 = load i32, ptr %7, align 4, !tbaa !9
  %54 = load i32, ptr %11, align 4, !tbaa !9
  %55 = add nsw i32 %53, %54
  %56 = add nsw i32 %55, 1
  %57 = sext i32 %56 to i64
  %58 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %52, i64 noundef %57) #3
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %15, ptr noundef nonnull align 4 dereferenceable(4) %58)
          to label %59 unwind label %42

59:                                               ; preds = %51
  br label %60

60:                                               ; preds = %59
  %61 = load i32, ptr %11, align 4, !tbaa !9
  %62 = add nsw i32 %61, 1
  store i32 %62, ptr %11, align 4, !tbaa !9
  br label %47, !llvm.loop !13

63:                                               ; preds = %47
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #3
  store i32 2147483647, ptr %18, align 4, !tbaa !9
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %14, ptr noundef nonnull align 4 dereferenceable(4) %18)
          to label %64 unwind label %92

64:                                               ; preds = %63
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #3
  store i32 2147483647, ptr %19, align 4, !tbaa !9
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %15, ptr noundef nonnull align 4 dereferenceable(4) %19)
          to label %65 unwind label %96

65:                                               ; preds = %64
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #3
  store i32 0, ptr %11, align 4, !tbaa !9
  store i32 0, ptr %12, align 4, !tbaa !9
  %66 = load i32, ptr %6, align 4, !tbaa !9
  store i32 %66, ptr %13, align 4, !tbaa !9
  br label %67

67:                                               ; preds = %112, %65
  %68 = load i32, ptr %13, align 4, !tbaa !9
  %69 = load i32, ptr %8, align 4, !tbaa !9
  %70 = icmp sle i32 %68, %69
  br i1 %70, label %71, label %115

71:                                               ; preds = %67
  %72 = load i32, ptr %11, align 4, !tbaa !9
  %73 = sext i32 %72 to i64
  %74 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %73) #3
  %75 = load i32, ptr %74, align 4, !tbaa !9
  %76 = load i32, ptr %12, align 4, !tbaa !9
  %77 = sext i32 %76 to i64
  %78 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %15, i64 noundef %77) #3
  %79 = load i32, ptr %78, align 4, !tbaa !9
  %80 = icmp sle i32 %75, %79
  br i1 %80, label %81, label %100

81:                                               ; preds = %71
  %82 = load i32, ptr %11, align 4, !tbaa !9
  %83 = sext i32 %82 to i64
  %84 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %83) #3
  %85 = load i32, ptr %84, align 4, !tbaa !9
  %86 = load ptr, ptr %5, align 8, !tbaa !5
  %87 = load i32, ptr %13, align 4, !tbaa !9
  %88 = sext i32 %87 to i64
  %89 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %86, i64 noundef %88) #3
  store i32 %85, ptr %89, align 4, !tbaa !9
  %90 = load i32, ptr %11, align 4, !tbaa !9
  %91 = add nsw i32 %90, 1
  store i32 %91, ptr %11, align 4, !tbaa !9
  br label %111

92:                                               ; preds = %63
  %93 = landingpad { ptr, i32 }
          cleanup
  %94 = extractvalue { ptr, i32 } %93, 0
  store ptr %94, ptr %16, align 8
  %95 = extractvalue { ptr, i32 } %93, 1
  store i32 %95, ptr %17, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #3
  br label %116

96:                                               ; preds = %64
  %97 = landingpad { ptr, i32 }
          cleanup
  %98 = extractvalue { ptr, i32 } %97, 0
  store ptr %98, ptr %16, align 8
  %99 = extractvalue { ptr, i32 } %97, 1
  store i32 %99, ptr %17, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #3
  br label %116

100:                                              ; preds = %71
  %101 = load i32, ptr %12, align 4, !tbaa !9
  %102 = sext i32 %101 to i64
  %103 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %15, i64 noundef %102) #3
  %104 = load i32, ptr %103, align 4, !tbaa !9
  %105 = load ptr, ptr %5, align 8, !tbaa !5
  %106 = load i32, ptr %13, align 4, !tbaa !9
  %107 = sext i32 %106 to i64
  %108 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %105, i64 noundef %107) #3
  store i32 %104, ptr %108, align 4, !tbaa !9
  %109 = load i32, ptr %12, align 4, !tbaa !9
  %110 = add nsw i32 %109, 1
  store i32 %110, ptr %12, align 4, !tbaa !9
  br label %111

111:                                              ; preds = %100, %81
  br label %112

112:                                              ; preds = %111
  %113 = load i32, ptr %13, align 4, !tbaa !9
  %114 = add nsw i32 %113, 1
  store i32 %114, ptr %13, align 4, !tbaa !9
  br label %67, !llvm.loop !14

115:                                              ; preds = %67
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %15) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %15) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  ret void

116:                                              ; preds = %96, %92, %42
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %15) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %15) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %14) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  br label %117

117:                                              ; preds = %116
  %118 = load ptr, ptr %16, align 8
  %119 = load i32, ptr %17, align 4
  %120 = insertvalue { ptr, i32 } poison, ptr %118, 0
  %121 = insertvalue { ptr, i32 } %120, i32 %119, 1
  resume { ptr, i32 } %121
}

; 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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #2 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !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 }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5MergeRSt6vectorIiSaIiEEiii(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %1, i32 noundef %2, i32 noundef %3) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #3
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #3
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #3
  %9 = sub i32 %3, %2
  %.not39 = icmp slt i32 %2, %1
  br i1 %.not39, label %.preheader, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %4
  %10 = sext i32 %1 to i64
  %11 = add i32 %2, 1
  %12 = sub i32 %11, %1
  %wide.trip.count = zext i32 %12 to i64
  br label %.lr.ph

.preheader:                                       ; preds = %17, %4
  %13 = icmp sgt i32 %9, 0
  br i1 %13, label %.lr.ph42, label %._crit_edge

.lr.ph42:                                         ; preds = %.preheader
  %14 = add i32 %2, 1
  %wide.trip.count54 = zext nneg i32 %9 to i64
  br label %18

.lr.ph:                                           ; preds = %.lr.ph.preheader, %17
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %17 ]
  %15 = add nsw i64 %indvars.iv, %10
  %16 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %15) #3
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 4 dereferenceable(4) %16)
          to label %17 unwind label %.loopexit.split-lp

17:                                               ; preds = %.lr.ph
  %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 %.preheader, label %.lr.ph, !llvm.loop !5

.loopexit:                                        ; preds = %18
  %lpad.loopexit = landingpad { ptr, i32 }
          cleanup
  br label %49

.loopexit.split-lp:                               ; preds = %.lr.ph
  %lpad.loopexit.split-lp = landingpad { ptr, i32 }
          cleanup
  br label %49

18:                                               ; preds = %.lr.ph42, %23
  %indvars.iv51 = phi i64 [ 0, %.lr.ph42 ], [ %indvars.iv.next52, %23 ]
  %19 = trunc nuw nsw i64 %indvars.iv51 to i32
  %20 = add i32 %14, %19
  %21 = sext i32 %20 to i64
  %22 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %21) #3
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 4 dereferenceable(4) %22)
          to label %23 unwind label %.loopexit

23:                                               ; preds = %18
  %indvars.iv.next52 = add nuw nsw i64 %indvars.iv51, 1
  %exitcond55.not = icmp eq i64 %indvars.iv.next52, %wide.trip.count54
  br i1 %exitcond55.not, label %._crit_edge, label %18, !llvm.loop !7

._crit_edge:                                      ; preds = %23, %.preheader
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #3
  store i32 2147483647, ptr %7, align 4, !tbaa !8
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %24 unwind label %39

24:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #3
  store i32 2147483647, ptr %8, align 4, !tbaa !8
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %25 unwind label %41

25:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #3
  %.not3643 = icmp sgt i32 %1, %3
  br i1 %.not3643, label %._crit_edge49, label %.lr.ph48.preheader

.lr.ph48.preheader:                               ; preds = %25
  %26 = sext i32 %1 to i64
  %27 = add i32 %3, 1
  br label %.lr.ph48

.lr.ph48:                                         ; preds = %.lr.ph48.preheader, %48
  %indvars.iv56 = phi i64 [ %26, %.lr.ph48.preheader ], [ %indvars.iv.next57, %48 ]
  %.03345 = phi i32 [ 0, %.lr.ph48.preheader ], [ %.1, %48 ]
  %.244 = phi i32 [ 0, %.lr.ph48.preheader ], [ %.3, %48 ]
  %28 = sext i32 %.244 to i64
  %29 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %28) #3
  %30 = load i32, ptr %29, align 4, !tbaa !8
  %31 = sext i32 %.03345 to i64
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %31) #3
  %33 = load i32, ptr %32, align 4, !tbaa !8
  %.not37 = icmp sgt i32 %30, %33
  br i1 %.not37, label %43, label %34

34:                                               ; preds = %.lr.ph48
  %35 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %28) #3
  %36 = load i32, ptr %35, align 4, !tbaa !8
  %37 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %indvars.iv56) #3
  store i32 %36, ptr %37, align 4, !tbaa !8
  %38 = add nsw i32 %.244, 1
  br label %48

39:                                               ; preds = %._crit_edge
  %40 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #3
  br label %49

41:                                               ; preds = %24
  %42 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #3
  br label %49

43:                                               ; preds = %.lr.ph48
  %44 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %31) #3
  %45 = load i32, ptr %44, align 4, !tbaa !8
  %46 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %indvars.iv56) #3
  store i32 %45, ptr %46, align 4, !tbaa !8
  %47 = add nsw i32 %.03345, 1
  br label %48

48:                                               ; preds = %34, %43
  %.3 = phi i32 [ %38, %34 ], [ %.244, %43 ]
  %.1 = phi i32 [ %.03345, %34 ], [ %47, %43 ]
  %indvars.iv.next57 = add nsw i64 %indvars.iv56, 1
  %lftr.wideiv = trunc i64 %indvars.iv.next57 to i32
  %exitcond59.not = icmp eq i32 %27, %lftr.wideiv
  br i1 %exitcond59.not, label %._crit_edge49, label %.lr.ph48, !llvm.loop !12

._crit_edge49:                                    ; preds = %48, %25
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #3
  ret void

49:                                               ; preds = %.loopexit, %.loopexit.split-lp, %41, %39
  %.pn = phi { ptr, i32 } [ %42, %41 ], [ %40, %39 ], [ %lpad.loopexit, %.loopexit ], [ %lpad.loopexit.split-lp, %.loopexit.split-lp ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #3
  resume { ptr, i32 } %.pn
}

; 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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = distinct !{!7, !6}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !11, i64 0}
!11 = !{!"Simple C++ TBAA"}
!12 = distinct !{!12, !6}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass