; LLVM IR from ox-vgg/vise :: src/search_engine/relja_retrival/external/KMCode_relja/descriptor/SiftDescripto_cdcab4c5 (EE)

; 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.__gnu_cxx::__normal_iterator.0" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { 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 uwtable
declare dso_local void @_ZN14SiftDescriptor17computeComponentsEP12ImageContent(ptr noundef nonnull align 8 dereferenceable(116), ptr noundef) #1 align 2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #3

; Function Attrs: mustprogress uwtable
define dso_local void @_Z22computeSiftDescriptorsP12ImageContentRSt6vectorIP16CornerDescriptorSaIS3_EE(ptr noundef %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @_Z13initPatchMaski(i32 noundef 41)
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #7
  %14 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 120) #8
  invoke void @_ZN14SiftDescriptorC2Ev(ptr noundef nonnull align 8 dereferenceable(116) %14)
          to label %15 unwind label %23

15:                                               ; preds = %2
  store ptr %14, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %16

16:                                               ; preds = %42, %15
  %17 = load i32, ptr %8, align 4, !tbaa !9
  %18 = zext i32 %17 to i64
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = call noundef i64 @_ZNKSt6vectorIP16CornerDescriptorSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %19) #7
  %21 = icmp ult i64 %18, %20
  br i1 %21, label %27, label %22

22:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  br label %45

23:                                               ; preds = %2
  %24 = landingpad { ptr, i32 }
          cleanup
  %25 = extractvalue { ptr, i32 } %24, 0
  store ptr %25, ptr %6, align 8
  %26 = extractvalue { ptr, i32 } %24, 1
  store i32 %26, ptr %7, align 4
  call void @_ZdlPvm(ptr noundef %14, i64 noundef 120) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #7
  br label %85

27:                                               ; preds = %16
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = load i32, ptr %8, align 4, !tbaa !9
  %31 = zext i32 %30 to i64
  %32 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %29, i64 noundef %31) #7
  %33 = load ptr, ptr %32, align 8, !tbaa !5
  call void @_ZN16CornerDescriptor4copyEPS_(ptr noundef nonnull align 8 dereferenceable(116) %28, ptr noundef %33)
  %34 = load ptr, ptr %5, align 8, !tbaa !5
  %35 = load ptr, ptr %3, align 8, !tbaa !5
  call void @_ZN14SiftDescriptor17computeComponentsEP12ImageContent(ptr noundef nonnull align 8 dereferenceable(116) %34, ptr noundef %35)
  %36 = load ptr, ptr %4, align 8, !tbaa !5
  %37 = load i32, ptr %8, align 4, !tbaa !9
  %38 = zext i32 %37 to i64
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %36, i64 noundef %38) #7
  %40 = load ptr, ptr %39, align 8, !tbaa !5
  %41 = load ptr, ptr %5, align 8, !tbaa !5
  call void @_ZN16CornerDescriptor4copyEPS_(ptr noundef nonnull align 8 dereferenceable(116) %40, ptr noundef %41)
  br label %42

42:                                               ; preds = %27
  %43 = load i32, ptr %8, align 4, !tbaa !9
  %44 = add i32 %43, 1
  store i32 %44, ptr %8, align 4, !tbaa !9
  br label %16, !llvm.loop !11

45:                                               ; preds = %22
  %46 = load ptr, ptr %5, align 8, !tbaa !5
  %47 = icmp eq ptr %46, null
  br i1 %47, label %49, label %48

48:                                               ; preds = %45
  call void @_ZN16CornerDescriptorD2Ev(ptr noundef nonnull align 8 dereferenceable(116) %46) #7
  call void @_ZdlPvm(ptr noundef %46, i64 noundef 120) #9
  br label %49

49:                                               ; preds = %48, %45
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #7
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %50

50:                                               ; preds = %81, %49
  %51 = load i32, ptr %9, align 4, !tbaa !9
  %52 = zext i32 %51 to i64
  %53 = load ptr, ptr %4, align 8, !tbaa !5
  %54 = call noundef i64 @_ZNKSt6vectorIP16CornerDescriptorSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %53) #7
  %55 = icmp ult i64 %52, %54
  br i1 %55, label %57, label %56

56:                                               ; preds = %50
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #7
  br label %84

57:                                               ; preds = %50
  %58 = load ptr, ptr %4, align 8, !tbaa !5
  %59 = load i32, ptr %9, align 4, !tbaa !9
  %60 = zext i32 %59 to i64
  %61 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %58, i64 noundef %60) #7
  %62 = load ptr, ptr %61, align 8, !tbaa !5
  %63 = call noundef i32 @_ZNK6Corner4isOKEv(ptr noundef nonnull align 4 dereferenceable(88) %62)
  %64 = icmp ne i32 %63, 0
  br i1 %64, label %80, label %65

65:                                               ; preds = %57
  %66 = load ptr, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #7
  %67 = load ptr, ptr %4, align 8, !tbaa !5
  %68 = call ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %67) #7
  %69 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %12, i32 0, i32 0
  store ptr %68, ptr %69, align 8
  %70 = load i32, ptr %9, align 4, !tbaa !9
  %71 = zext i32 %70 to i64
  %72 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPP16CornerDescriptorSt6vectorIS2_SaIS2_EEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %12, i64 noundef %71) #7
  %73 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %72, ptr %73, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKP16CornerDescriptorSt6vectorIS2_SaIS2_EEEC2IPS2_vEERKNS0_IT_S7_EE(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #7
  %74 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %10, i32 0, i32 0
  %75 = load ptr, ptr %74, align 8
  %76 = call ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS1_S3_EE(ptr noundef nonnull align 8 dereferenceable(24) %66, ptr %75)
  %77 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %76, ptr %77, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #7
  %78 = load i32, ptr %9, align 4, !tbaa !9
  %79 = add i32 %78, -1
  store i32 %79, ptr %9, align 4, !tbaa !9
  br label %80

80:                                               ; preds = %65, %57
  br label %81

81:                                               ; preds = %80
  %82 = load i32, ptr %9, align 4, !tbaa !9
  %83 = add i32 %82, 1
  store i32 %83, ptr %9, align 4, !tbaa !9
  br label %50, !llvm.loop !13

84:                                               ; preds = %56
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #7
  ret void

85:                                               ; preds = %23
  %86 = load ptr, ptr %6, align 8
  %87 = load i32, ptr %7, align 4
  %88 = insertvalue { ptr, i32 } poison, ptr %86, 0
  %89 = insertvalue { ptr, i32 } %88, i32 %87, 1
  resume { ptr, i32 } %89
}

declare void @_Z13initPatchMaski(i32 noundef) #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN14SiftDescriptorC2Ev(ptr noundef nonnull align 8 dereferenceable(116)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIP16CornerDescriptorSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

declare void @_ZN16CornerDescriptor4copyEPS_(ptr noundef nonnull align 8 dereferenceable(116), ptr noundef) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN16CornerDescriptorD2Ev(ptr noundef nonnull align 8 dereferenceable(116)) unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK6Corner4isOKEv(ptr noundef nonnull align 4 dereferenceable(88)) #6 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS1_S3_EE(ptr noundef nonnull align 8 dereferenceable(24), ptr) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK9__gnu_cxx17__normal_iteratorIPP16CornerDescriptorSt6vectorIS2_SaIS2_EEEplEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPKP16CornerDescriptorSt6vectorIS2_SaIS2_EEEC2IPS2_vEERKNS0_IT_S7_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { nobuiltin allocsize(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 = { nobuiltin nounwind "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 = { "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 #5 = { 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 #6 = { 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 #7 = { nounwind }
attributes #8 = { builtin allocsize(0) }
attributes #9 = { builtin 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.__gnu_cxx::__normal_iterator.0" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { 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 uwtable
declare dso_local void @_ZN14SiftDescriptor17computeComponentsEP12ImageContent(ptr noundef nonnull align 8 dereferenceable(116), ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
define dso_local void @_Z22computeSiftDescriptorsP12ImageContentRSt6vectorIP16CornerDescriptorSaIS3_EE(ptr noundef %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  tail call void @_Z13initPatchMaski(i32 noundef 41)
  %6 = tail call noalias noundef nonnull dereferenceable(120) ptr @_Znwm(i64 noundef 120) #7
  invoke void @_ZN14SiftDescriptorC2Ev(ptr noundef nonnull align 8 dereferenceable(116) %6)
          to label %.preheader unwind label %8

.preheader:                                       ; preds = %2
  %7 = tail call noundef i64 @_ZNKSt6vectorIP16CornerDescriptorSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #8
  %.not30 = icmp eq i64 %7, 0
  br i1 %.not30, label %._crit_edge, label %.lr.ph

8:                                                ; preds = %2
  %9 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %6, i64 noundef 120) #9
  resume { ptr, i32 } %9

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %10 = phi i64 [ %16, %.lr.ph ], [ 0, %.preheader ]
  %.025 = phi i32 [ %15, %.lr.ph ], [ 0, %.preheader ]
  %11 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %10) #8
  %12 = load ptr, ptr %11, align 8, !tbaa !5
  tail call void @_ZN16CornerDescriptor4copyEPS_(ptr noundef nonnull align 8 dereferenceable(116) %6, ptr noundef %12)
  tail call void @_ZN14SiftDescriptor17computeComponentsEP12ImageContent(ptr noundef nonnull align 8 dereferenceable(116) %6, ptr noundef %0)
  %13 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %10) #8
  %14 = load ptr, ptr %13, align 8, !tbaa !5
  tail call void @_ZN16CornerDescriptor4copyEPS_(ptr noundef nonnull align 8 dereferenceable(116) %14, ptr noundef nonnull %6)
  %15 = add i32 %.025, 1
  %16 = zext i32 %15 to i64
  %17 = tail call noundef i64 @_ZNKSt6vectorIP16CornerDescriptorSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #8
  %18 = icmp ugt i64 %17, %16
  br i1 %18, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  tail call void @_ZN16CornerDescriptorD2Ev(ptr noundef nonnull align 8 dereferenceable(116) %6) #8
  tail call void @_ZdlPvm(ptr noundef nonnull %6, i64 noundef 120) #9
  %19 = tail call noundef i64 @_ZNKSt6vectorIP16CornerDescriptorSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #8
  %.not31 = icmp eq i64 %19, 0
  br i1 %.not31, label %._crit_edge29, label %.lr.ph28

._crit_edge29:                                    ; preds = %30, %._crit_edge
  ret void

.lr.ph28:                                         ; preds = %._crit_edge, %30
  %20 = phi i64 [ %32, %30 ], [ 0, %._crit_edge ]
  %.02226 = phi i32 [ %31, %30 ], [ 0, %._crit_edge ]
  %21 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %20) #8
  %22 = load ptr, ptr %21, align 8, !tbaa !5
  %23 = call noundef i32 @_ZNK6Corner4isOKEv(ptr noundef nonnull align 4 dereferenceable(88) %22)
  %.not = icmp eq i32 %23, 0
  br i1 %.not, label %24, label %30

24:                                               ; preds = %.lr.ph28
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #8
  %25 = call ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #8
  store ptr %25, ptr %5, align 8
  %26 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPP16CornerDescriptorSt6vectorIS2_SaIS2_EEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %5, i64 noundef %20) #8
  store ptr %26, ptr %4, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKP16CornerDescriptorSt6vectorIS2_SaIS2_EEEC2IPS2_vEERKNS0_IT_S7_EE(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #8
  %27 = load ptr, ptr %3, align 8
  %28 = call ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS1_S3_EE(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr %27)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #8
  %29 = add i32 %.02226, -1
  br label %30

30:                                               ; preds = %.lr.ph28, %24
  %.1 = phi i32 [ %.02226, %.lr.ph28 ], [ %29, %24 ]
  %31 = add i32 %.1, 1
  %32 = zext i32 %31 to i64
  %33 = call noundef i64 @_ZNKSt6vectorIP16CornerDescriptorSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #8
  %34 = icmp ugt i64 %33, %32
  br i1 %34, label %.lr.ph28, label %._crit_edge29, !llvm.loop !11
}

declare void @_Z13initPatchMaski(i32 noundef) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN14SiftDescriptorC2Ev(ptr noundef nonnull align 8 dereferenceable(116)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIP16CornerDescriptorSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

declare void @_ZN16CornerDescriptor4copyEPS_(ptr noundef nonnull align 8 dereferenceable(116), ptr noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN16CornerDescriptorD2Ev(ptr noundef nonnull align 8 dereferenceable(116)) unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK6Corner4isOKEv(ptr noundef nonnull align 4 dereferenceable(88)) local_unnamed_addr #6 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS1_S3_EE(ptr noundef nonnull align 8 dereferenceable(24), ptr) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNK9__gnu_cxx17__normal_iteratorIPP16CornerDescriptorSt6vectorIS2_SaIS2_EEEplEl(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPKP16CornerDescriptorSt6vectorIS2_SaIS2_EEEC2IPS2_vEERKNS0_IT_S7_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { nobuiltin allocsize(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 = { nobuiltin nounwind "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 = { "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 #5 = { 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 #6 = { 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 #7 = { builtin allocsize(0) }
attributes #8 = { nounwind }
attributes #9 = { builtin 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass