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

; 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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.0" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.3 = external hidden unnamed_addr constant [22 x i8], align 1

; 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 noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIP16CornerDescriptorSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 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) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 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) #1 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 #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z9checkEpipP16CornerDescriptorS0_P6MatrixfRf(ptr noundef, ptr noundef, ptr noundef, float noundef, ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z21checkPointsByEpipolarRSt6vectorIP16CornerDescriptorSaIS1_EES4_P6Matrixf(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef %2, float noundef %3) #2 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca float, align 4
  %9 = alloca float, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %19 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store float %3, ptr %8, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = call noundef i64 @_ZNKSt6vectorIP16CornerDescriptorSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %20) #4
  %22 = load ptr, ptr %6, align 8, !tbaa !5
  %23 = call noundef i64 @_ZNKSt6vectorIP16CornerDescriptorSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %22) #4
  %24 = icmp ne i64 %21, %23
  br i1 %24, label %25, label %28

25:                                               ; preds = %4
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.3)
  %27 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %26, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  store i32 1, ptr %10, align 4
  br label %83

28:                                               ; preds = %4
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  store i32 0, ptr %11, align 4, !tbaa !11
  br label %29

29:                                               ; preds = %79, %28
  %30 = load i32, ptr %11, align 4, !tbaa !11
  %31 = zext i32 %30 to i64
  %32 = load ptr, ptr %5, align 8, !tbaa !5
  %33 = call noundef i64 @_ZNKSt6vectorIP16CornerDescriptorSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %32) #4
  %34 = icmp ult i64 %31, %33
  br i1 %34, label %36, label %35

35:                                               ; preds = %29
  store i32 2, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  br label %82

36:                                               ; preds = %29
  %37 = load ptr, ptr %5, align 8, !tbaa !5
  %38 = load i32, ptr %11, align 4, !tbaa !11
  %39 = zext i32 %38 to i64
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %37, i64 noundef %39) #4
  %41 = load ptr, ptr %40, align 8, !tbaa !5
  %42 = load ptr, ptr %6, align 8, !tbaa !5
  %43 = load i32, ptr %11, align 4, !tbaa !11
  %44 = zext i32 %43 to i64
  %45 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %42, i64 noundef %44) #4
  %46 = load ptr, ptr %45, align 8, !tbaa !5
  %47 = load ptr, ptr %7, align 8, !tbaa !5
  %48 = load float, ptr %8, align 4, !tbaa !9
  %49 = call noundef i32 @_Z9checkEpipP16CornerDescriptorS0_P6MatrixfRf(ptr noundef %41, ptr noundef %46, ptr noundef %47, float noundef %48, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %50 = icmp ne i32 %49, 0
  br i1 %50, label %78, label %51

51:                                               ; preds = %36
  %52 = load ptr, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #4
  %53 = load ptr, ptr %5, align 8, !tbaa !5
  %54 = call ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %53) #4
  %55 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %54, ptr %55, align 8
  %56 = load i32, ptr %11, align 4, !tbaa !11
  %57 = zext i32 %56 to i64
  %58 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPP16CornerDescriptorSt6vectorIS2_SaIS2_EEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %14, i64 noundef %57) #4
  %59 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %58, ptr %59, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKP16CornerDescriptorSt6vectorIS2_SaIS2_EEEC2IPS2_vEERKNS0_IT_S7_EE(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #4
  %60 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %12, i32 0, i32 0
  %61 = load ptr, ptr %60, align 8
  %62 = call ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS1_S3_EE(ptr noundef nonnull align 8 dereferenceable(24) %52, ptr %61)
  %63 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %15, i32 0, i32 0
  store ptr %62, ptr %63, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #4
  %64 = load ptr, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #4
  %65 = load ptr, ptr %6, align 8, !tbaa !5
  %66 = call ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %65) #4
  %67 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  store ptr %66, ptr %67, align 8
  %68 = load i32, ptr %11, align 4, !tbaa !11
  %69 = zext i32 %68 to i64
  %70 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPP16CornerDescriptorSt6vectorIS2_SaIS2_EEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %18, i64 noundef %69) #4
  %71 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  store ptr %70, ptr %71, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKP16CornerDescriptorSt6vectorIS2_SaIS2_EEEC2IPS2_vEERKNS0_IT_S7_EE(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull align 8 dereferenceable(8) %17) #4
  %72 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.0", ptr %16, i32 0, i32 0
  %73 = load ptr, ptr %72, align 8
  %74 = call ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS1_S3_EE(ptr noundef nonnull align 8 dereferenceable(24) %64, ptr %73)
  %75 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %19, i32 0, i32 0
  store ptr %74, ptr %75, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #4
  %76 = load i32, ptr %11, align 4, !tbaa !11
  %77 = add i32 %76, -1
  store i32 %77, ptr %11, align 4, !tbaa !11
  br label %78

78:                                               ; preds = %51, %36
  br label %79

79:                                               ; preds = %78
  %80 = load i32, ptr %11, align 4, !tbaa !11
  %81 = add i32 %80, 1
  store i32 %81, ptr %11, align 4, !tbaa !11
  br label %29, !llvm.loop !13

82:                                               ; preds = %35
  store i32 0, ptr %10, align 4
  br label %83

83:                                               ; preds = %82, %25
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  %84 = load i32, ptr %10, align 4
  switch i32 %84, label %86 [
    i32 0, label %85
    i32 1, label %85
  ]

85:                                               ; preds = %83, %83
  ret void

86:                                               ; preds = %83
  unreachable
}

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 = { inlinehint 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 #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 = !{!"float", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.0" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.3 = external hidden unnamed_addr constant [22 x i8], align 1

; 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 noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_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 i64 @_ZNKSt6vectorIP16CornerDescriptorSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 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 #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 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 #1 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 #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #3

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z9checkEpipP16CornerDescriptorS0_P6MatrixfRf(ptr noundef, ptr noundef, ptr noundef, float noundef, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z21checkPointsByEpipolarRSt6vectorIP16CornerDescriptorSaIS1_EES4_P6Matrixf(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef %2, float noundef %3) local_unnamed_addr #2 {
  %5 = alloca float, align 4
  %6 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator.0", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #4
  %12 = tail call noundef i64 @_ZNKSt6vectorIP16CornerDescriptorSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  %13 = tail call noundef i64 @_ZNKSt6vectorIP16CornerDescriptorSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  %.not = icmp eq i64 %12, %13
  br i1 %.not, label %.preheader, label %15

.preheader:                                       ; preds = %4
  %14 = tail call noundef i64 @_ZNKSt6vectorIP16CornerDescriptorSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  %.not21 = icmp eq i64 %14, 0
  br i1 %.not21, label %.loopexit, label %.lr.ph

15:                                               ; preds = %4
  %16 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.3)
  %17 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %.loopexit

.lr.ph:                                           ; preds = %.preheader, %34
  %18 = phi i64 [ %36, %34 ], [ 0, %.preheader ]
  %.020 = phi i32 [ %35, %34 ], [ 0, %.preheader ]
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %18) #4
  %20 = load ptr, ptr %19, align 8, !tbaa !5
  %21 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %18) #4
  %22 = load ptr, ptr %21, align 8, !tbaa !5
  %23 = call noundef i32 @_Z9checkEpipP16CornerDescriptorS0_P6MatrixfRf(ptr noundef %20, ptr noundef %22, ptr noundef %2, float noundef %3, ptr noundef nonnull align 4 dereferenceable(4) %5)
  %.not19 = icmp eq i32 %23, 0
  br i1 %.not19, label %24, label %34

24:                                               ; preds = %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #4
  %25 = call ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  store ptr %25, ptr %8, align 8
  %26 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPP16CornerDescriptorSt6vectorIS2_SaIS2_EEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %8, i64 noundef %18) #4
  store ptr %26, ptr %7, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKP16CornerDescriptorSt6vectorIS2_SaIS2_EEEC2IPS2_vEERKNS0_IT_S7_EE(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #4
  %27 = load ptr, ptr %6, align 8
  %28 = call ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS1_S3_EE(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr %27)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #4
  %29 = call ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #4
  store ptr %29, ptr %11, align 8
  %30 = call ptr @_ZNK9__gnu_cxx17__normal_iteratorIPP16CornerDescriptorSt6vectorIS2_SaIS2_EEEplEl(ptr noundef nonnull align 8 dereferenceable(8) %11, i64 noundef %18) #4
  store ptr %30, ptr %10, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPKP16CornerDescriptorSt6vectorIS2_SaIS2_EEEC2IPS2_vEERKNS0_IT_S7_EE(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #4
  %31 = load ptr, ptr %9, align 8
  %32 = call ptr @_ZNSt6vectorIP16CornerDescriptorSaIS1_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS1_S3_EE(ptr noundef nonnull align 8 dereferenceable(24) %1, ptr %31)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #4
  %33 = add i32 %.020, -1
  br label %34

34:                                               ; preds = %.lr.ph, %24
  %.1 = phi i32 [ %.020, %.lr.ph ], [ %33, %24 ]
  %35 = add i32 %.1, 1
  %36 = zext i32 %35 to i64
  %37 = call noundef i64 @_ZNKSt6vectorIP16CornerDescriptorSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  %38 = icmp ugt i64 %37, %36
  br i1 %38, label %.lr.ph, label %.loopexit, !llvm.loop !9

.loopexit:                                        ; preds = %34, %.preheader, %15
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  ret void
}

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 = { inlinehint 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 #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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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