; LLVM IR from Om-Doiphode/Image_Pipeline :: src/morphology.ll (Z11vectorSliceRSt6vectorIS_IdSaIdEESaIS1_EEiiii)

; 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<std::vector<double>, std::allocator<std::vector<double>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<double>, std::allocator<std::vector<double>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<double>, std::allocator<std::vector<double>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<double>, std::allocator<std::vector<double>>>::_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<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IdSaIdEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IdSaIdEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IdSaIdEESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IdSaIdEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z11vectorSliceRSt6vectorIS_IdSaIdEESaIS1_EEiiii(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(24) %1, i32 noundef %2, i32 noundef %3, i32 noundef %4, i32 noundef %5) #2 personality ptr @__gxx_personality_v0 {
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i1, align 1
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca %"class.std::vector.0", align 8
  %17 = alloca i32, align 4
  %18 = alloca ptr, align 8
  %19 = alloca i32, align 4
  store ptr %0, ptr %7, align 8
  store ptr %1, ptr %8, align 8, !tbaa !5
  store i32 %2, ptr %9, align 4, !tbaa !9
  store i32 %3, ptr %10, align 4, !tbaa !9
  store i32 %4, ptr %11, align 4, !tbaa !9
  store i32 %5, ptr %12, align 4, !tbaa !9
  store i1 false, ptr %13, align 1
  call void @_ZNSt6vectorIS_IdSaIdEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #3
  %20 = load i32, ptr %9, align 4, !tbaa !9
  store i32 %20, ptr %14, align 4, !tbaa !9
  br label %21

21:                                               ; preds = %51, %6
  %22 = load i32, ptr %14, align 4, !tbaa !9
  %23 = load i32, ptr %10, align 4, !tbaa !9
  %24 = icmp slt i32 %22, %23
  br i1 %24, label %26, label %25

25:                                               ; preds = %21
  store i32 2, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #3
  br label %59

26:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 24, ptr %16) #3
  call void @_ZNSt6vectorIdSaIdEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #3
  %27 = load i32, ptr %11, align 4, !tbaa !9
  store i32 %27, ptr %17, align 4, !tbaa !9
  br label %28

28:                                               ; preds = %42, %26
  %29 = load i32, ptr %17, align 4, !tbaa !9
  %30 = load i32, ptr %12, align 4, !tbaa !9
  %31 = icmp slt i32 %29, %30
  br i1 %31, label %33, label %32

32:                                               ; preds = %28
  store i32 5, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #3
  br label %49

33:                                               ; preds = %28
  %34 = load ptr, ptr %8, align 8, !tbaa !5
  %35 = load i32, ptr %14, align 4, !tbaa !9
  %36 = sext i32 %35 to i64
  %37 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IdSaIdEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %34, i64 noundef %36) #3
  %38 = load i32, ptr %17, align 4, !tbaa !9
  %39 = sext i32 %38 to i64
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %37, i64 noundef %39) #3
  invoke void @_ZNSt6vectorIdSaIdEE9push_backERKd(ptr noundef nonnull align 8 dereferenceable(24) %16, ptr noundef nonnull align 8 dereferenceable(8) %40)
          to label %41 unwind label %45

41:                                               ; preds = %33
  br label %42

42:                                               ; preds = %41
  %43 = load i32, ptr %17, align 4, !tbaa !9
  %44 = add nsw i32 %43, 1
  store i32 %44, ptr %17, align 4, !tbaa !9
  br label %28, !llvm.loop !11

45:                                               ; preds = %33
  %46 = landingpad { ptr, i32 }
          cleanup
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %18, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %19, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #3
  br label %58

49:                                               ; preds = %32
  invoke void @_ZNSt6vectorIS_IdSaIdEESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %16)
          to label %50 unwind label %54

50:                                               ; preds = %49
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %16) #3
  br label %51

51:                                               ; preds = %50
  %52 = load i32, ptr %14, align 4, !tbaa !9
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %14, align 4, !tbaa !9
  br label %21, !llvm.loop !13

54:                                               ; preds = %49
  %55 = landingpad { ptr, i32 }
          cleanup
  %56 = extractvalue { ptr, i32 } %55, 0
  store ptr %56, ptr %18, align 8
  %57 = extractvalue { ptr, i32 } %55, 1
  store i32 %57, ptr %19, align 4
  br label %58

58:                                               ; preds = %54, %45
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %16) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #3
  call void @_ZNSt6vectorIS_IdSaIdEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %63

59:                                               ; preds = %25
  store i1 true, ptr %13, align 1
  store i32 1, ptr %15, align 4
  %60 = load i1, ptr %13, align 1
  br i1 %60, label %62, label %61

61:                                               ; preds = %59
  call void @_ZNSt6vectorIS_IdSaIdEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %62

62:                                               ; preds = %61, %59
  ret void

63:                                               ; preds = %58
  %64 = load ptr, ptr %18, align 8
  %65 = load i32, ptr %19, align 4
  %66 = insertvalue { ptr, i32 } poison, ptr %64, 0
  %67 = insertvalue { ptr, i32 } %66, i32 %65, 1
  resume { ptr, i32 } %67
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEE9push_backERKd(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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}


; 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<std::vector<double>, std::allocator<std::vector<double>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<double>, std::allocator<std::vector<double>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<double>, std::allocator<std::vector<double>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<double>, std::allocator<std::vector<double>>>::_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<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }

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

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IdSaIdEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IdSaIdEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IdSaIdEESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IdSaIdEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z11vectorSliceRSt6vectorIS_IdSaIdEESaIS1_EEiiii(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull align 8 dereferenceable(24) %1, i32 noundef %2, i32 noundef %3, i32 noundef %4, i32 noundef %5) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %7 = alloca %"class.std::vector.0", align 8
  tail call void @_ZNSt6vectorIS_IdSaIdEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  %8 = icmp slt i32 %2, %3
  br i1 %8, label %.lr.ph20, label %._crit_edge21

.lr.ph20:                                         ; preds = %6
  %9 = icmp slt i32 %4, %5
  br i1 %9, label %.lr.ph.us.preheader, label %.lr.ph20.split

.lr.ph.us.preheader:                              ; preds = %.lr.ph20
  %10 = sext i32 %4 to i64
  %11 = sext i32 %2 to i64
  br label %.lr.ph.us

.lr.ph.us:                                        ; preds = %.lr.ph.us.preheader, %12
  %indvars.iv28 = phi i64 [ %11, %.lr.ph.us.preheader ], [ %indvars.iv.next29, %12 ]
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #3
  call void @_ZNSt6vectorIdSaIdEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  br label %13

12:                                               ; preds = %._crit_edge.us
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #3
  %indvars.iv.next29 = add nsw i64 %indvars.iv28, 1
  %lftr.wideiv31 = trunc i64 %indvars.iv.next29 to i32
  %exitcond32.not = icmp eq i32 %lftr.wideiv31, %3
  br i1 %exitcond32.not, label %._crit_edge21, label %.lr.ph.us, !llvm.loop !5

13:                                               ; preds = %.lr.ph.us, %16
  %indvars.iv = phi i64 [ %10, %.lr.ph.us ], [ %indvars.iv.next, %16 ]
  %14 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IdSaIdEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv28) #3
  %15 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIdSaIdEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef %indvars.iv) #3
  invoke void @_ZNSt6vectorIdSaIdEE9push_backERKd(ptr noundef nonnull align 8 dereferenceable(24) %7, ptr noundef nonnull align 8 dereferenceable(8) %15)
          to label %16 unwind label %.split23.us

16:                                               ; preds = %13
  %indvars.iv.next = add nsw i64 %indvars.iv, 1
  %lftr.wideiv = trunc i64 %indvars.iv.next to i32
  %exitcond27.not = icmp eq i32 %lftr.wideiv, %5
  br i1 %exitcond27.not, label %._crit_edge.us, label %13, !llvm.loop !7

._crit_edge.us:                                   ; preds = %16
  invoke void @_ZNSt6vectorIS_IdSaIdEESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %7)
          to label %12 unwind label %.split.us

.split.us:                                        ; preds = %._crit_edge.us
  %17 = landingpad { ptr, i32 }
          cleanup
  br label %22

.split23.us:                                      ; preds = %13
  %18 = landingpad { ptr, i32 }
          cleanup
  br label %22

.lr.ph20.split:                                   ; preds = %.lr.ph20, %19
  %.01518 = phi i32 [ %20, %19 ], [ %2, %.lr.ph20 ]
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #3
  call void @_ZNSt6vectorIdSaIdEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  invoke void @_ZNSt6vectorIS_IdSaIdEESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %7)
          to label %19 unwind label %.split

19:                                               ; preds = %.lr.ph20.split
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #3
  %20 = add i32 %.01518, 1
  %exitcond.not = icmp eq i32 %20, %3
  br i1 %exitcond.not, label %._crit_edge21, label %.lr.ph20.split, !llvm.loop !5

.split:                                           ; preds = %.lr.ph20.split
  %21 = landingpad { ptr, i32 }
          cleanup
  br label %22

22:                                               ; preds = %.split, %.split.us, %.split23.us
  %.pn = phi { ptr, i32 } [ %18, %.split23.us ], [ %21, %.split ], [ %17, %.split.us ]
  call void @_ZNSt6vectorIdSaIdEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #3
  call void @_ZNSt6vectorIS_IdSaIdEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  resume { ptr, i32 } %.pn

._crit_edge21:                                    ; preds = %19, %12, %6
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIdSaIdEE9push_backERKd(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass