; LLVM IR from dtecta/motion-toolkit :: curve/Extruder.ll (ZN2cv8Extruder9tesselateERKNS_5CurveE)

; 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.mt::Vector3" = type { %"class.mt::Dual", %"class.mt::Dual", %"class.mt::Dual" }
%"class.mt::Dual" = type { float, float }
%"class.mt::Vector3.0" = type { float, float, float }
%"class.cv::Extruder" = type { float, %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<cv::Sample, std::allocator<cv::Sample>>::_Vector_impl" }
%"struct.std::_Vector_base<cv::Sample, std::allocator<cv::Sample>>::_Vector_impl" = type { %"struct.std::_Vector_base<cv::Sample, std::allocator<cv::Sample>>::_Vector_impl_data" }
%"struct.std::_Vector_base<cv::Sample, std::allocator<cv::Sample>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; Function Attrs: mustprogress uwtable
define dso_local noundef float @_ZN2cv8Extruder9tesselateERKNS_5CurveE(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(8) %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.mt::Vector3", align 4
  %6 = alloca %"class.mt::Vector3", align 4
  %7 = alloca %"class.mt::Vector3.0", align 4
  %8 = alloca %"class.mt::Vector3.0", align 4
  %9 = alloca { <2 x float>, float }, align 8
  %10 = alloca %"class.mt::Vector3.0", align 4
  %11 = alloca { <2 x float>, float }, align 8
  %12 = alloca { <2 x float>, float }, align 8
  %13 = alloca float, align 4
  %14 = alloca float, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %15 = load ptr, ptr %3, align 8
  %16 = getelementptr inbounds %"class.cv::Extruder", ptr %15, i32 0, i32 1
  call void @_ZNSt6vectorIN2cv6SampleESaIS1_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %16, i64 noundef 0)
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #5
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = load ptr, ptr %17, align 8, !tbaa !9
  %19 = getelementptr inbounds ptr, ptr %18, i64 2
  %20 = load ptr, ptr %19, align 8
  call void %20(ptr dead_on_unwind writable sret(%"class.mt::Vector3") align 4 %5, ptr noundef nonnull align 8 dereferenceable(8) %17, float noundef 0.000000e+00)
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #5
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = load ptr, ptr %21, align 8, !tbaa !9
  %23 = getelementptr inbounds ptr, ptr %22, i64 2
  %24 = load ptr, ptr %23, align 8
  call void %24(ptr dead_on_unwind writable sret(%"class.mt::Vector3") align 4 %6, ptr noundef nonnull align 8 dereferenceable(8) %21, float noundef 1.000000e+00)
  call void @llvm.lifetime.start.p0(i64 12, ptr %7) #5
  call void @llvm.lifetime.start.p0(i64 12, ptr %8) #5
  %25 = call { <2 x float>, float } @_ZN2mt4realIfEENS_7Vector3IT_EERKNS1_INS_4DualIS2_EEEE(ptr noundef nonnull align 4 dereferenceable(24) %6)
  store { <2 x float>, float } %25, ptr %9, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %8, ptr align 8 %9, i64 12, i1 false)
  call void @llvm.lifetime.start.p0(i64 12, ptr %10) #5
  %26 = call { <2 x float>, float } @_ZN2mt4realIfEENS_7Vector3IT_EERKNS1_INS_4DualIS2_EEEE(ptr noundef nonnull align 4 dereferenceable(24) %5)
  store { <2 x float>, float } %26, ptr %11, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %10, ptr align 8 %11, i64 12, i1 false)
  %27 = call { <2 x float>, float } @_ZN2mtmiIffEENS_7Vector3INS_7PromoteIT_T0_E2RTEEERKNS1_IS3_EERKNS1_IS4_EE(ptr noundef nonnull align 4 dereferenceable(12) %8, ptr noundef nonnull align 4 dereferenceable(12) %10)
  store { <2 x float>, float } %27, ptr %12, align 8
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %7, ptr align 8 %12, i64 12, i1 false)
  call void @llvm.lifetime.end.p0(i64 12, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr %8) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #5
  %28 = call noundef float @_ZN2mt13lengthSquaredINS_7Vector3IfEEEENT_10ScalarTypeERKS3_(ptr noundef nonnull align 4 dereferenceable(12) %7)
  store float %28, ptr %13, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #5
  store float 0.000000e+00, ptr %14, align 4, !tbaa !11
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = load float, ptr %13, align 4, !tbaa !11
  call void @_ZN2cv8Extruder12auxTesselateERKNS_5CurveERKN2mt7Vector3INS4_4DualIfEEEEfSA_ffRf(ptr noundef nonnull align 8 dereferenceable(32) %15, ptr noundef nonnull align 8 dereferenceable(8) %29, ptr noundef nonnull align 4 dereferenceable(24) %5, float noundef 0.000000e+00, ptr noundef nonnull align 4 dereferenceable(24) %6, float noundef 1.000000e+00, float noundef %30, ptr noundef nonnull align 4 dereferenceable(4) %14)
  %31 = load float, ptr %14, align 4, !tbaa !11
  call void @_ZN2cv8Extruder9addSampleERKN2mt7Vector3INS1_4DualIfEEEEf(ptr noundef nonnull align 8 dereferenceable(32) %15, ptr noundef nonnull align 4 dereferenceable(24) %6, float noundef %31)
  %32 = load float, ptr %14, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #5
  ret float %32
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIN2cv6SampleESaIS1_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

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

; Function Attrs: alwaysinline mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN2mtmiIffEENS_7Vector3INS_7PromoteIT_T0_E2RTEEERKNS1_IS3_EERKNS1_IS4_EE(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) #3

; Function Attrs: alwaysinline mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN2mt4realIfEENS_7Vector3IT_EERKNS1_INS_4DualIS2_EEEE(ptr noundef nonnull align 4 dereferenceable(24)) #3

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

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

; Function Attrs: alwaysinline mustprogress uwtable
declare dso_local noundef float @_ZN2mt13lengthSquaredINS_7Vector3IfEEEENT_10ScalarTypeERKS3_(ptr noundef nonnull align 4 dereferenceable(12)) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2cv8Extruder12auxTesselateERKNS_5CurveERKN2mt7Vector3INS4_4DualIfEEEEfSA_ffRf(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(24), float noundef, ptr noundef nonnull align 4 dereferenceable(24), float noundef, float noundef, ptr noundef nonnull align 4 dereferenceable(4)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2cv8Extruder9addSampleERKN2mt7Vector3INS1_4DualIfEEEEf(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(24), float noundef) #0 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="64" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { alwaysinline 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { 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 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"float", !7, i64 0}


; 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.mt::Vector3" = type { %"class.mt::Dual", %"class.mt::Dual", %"class.mt::Dual" }
%"class.mt::Dual" = type { float, float }
%"class.mt::Vector3.0" = type { float, float, float }

; Function Attrs: mustprogress uwtable
define dso_local noundef float @_ZN2cv8Extruder9tesselateERKNS_5CurveE(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(8) %1) local_unnamed_addr #0 align 2 {
  %3 = alloca %"class.mt::Vector3", align 4
  %4 = alloca %"class.mt::Vector3", align 4
  %5 = alloca %"class.mt::Vector3.0", align 8
  %6 = alloca %"class.mt::Vector3.0", align 8
  %7 = alloca %"class.mt::Vector3.0", align 8
  %8 = alloca float, align 4
  %9 = getelementptr inbounds i8, ptr %0, i64 8
  tail call void @_ZNSt6vectorIN2cv6SampleESaIS1_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef 0)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #4
  %10 = load ptr, ptr %1, align 8, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %10, i64 16
  %12 = load ptr, ptr %11, align 8
  call void %12(ptr dead_on_unwind nonnull writable sret(%"class.mt::Vector3") align 4 %3, ptr noundef nonnull align 8 dereferenceable(8) %1, float noundef 0.000000e+00)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #4
  %13 = load ptr, ptr %1, align 8, !tbaa !5
  %14 = getelementptr inbounds i8, ptr %13, i64 16
  %15 = load ptr, ptr %14, align 8
  call void %15(ptr dead_on_unwind nonnull writable sret(%"class.mt::Vector3") align 4 %4, ptr noundef nonnull align 8 dereferenceable(8) %1, float noundef 1.000000e+00)
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %6) #4
  %16 = call { <2 x float>, float } @_ZN2mt4realIfEENS_7Vector3IT_EERKNS1_INS_4DualIS2_EEEE(ptr noundef nonnull align 4 dereferenceable(24) %4)
  %.fca.0.extract5 = extractvalue { <2 x float>, float } %16, 0
  %.fca.1.extract6 = extractvalue { <2 x float>, float } %16, 1
  store <2 x float> %.fca.0.extract5, ptr %6, align 8
  %.sroa.28.0..sroa_idx = getelementptr inbounds i8, ptr %6, i64 8
  store float %.fca.1.extract6, ptr %.sroa.28.0..sroa_idx, align 8
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %7) #4
  %17 = call { <2 x float>, float } @_ZN2mt4realIfEENS_7Vector3IT_EERKNS1_INS_4DualIS2_EEEE(ptr noundef nonnull align 4 dereferenceable(24) %3)
  %.fca.0.extract1 = extractvalue { <2 x float>, float } %17, 0
  %.fca.1.extract2 = extractvalue { <2 x float>, float } %17, 1
  store <2 x float> %.fca.0.extract1, ptr %7, align 8
  %.sroa.24.0..sroa_idx = getelementptr inbounds i8, ptr %7, i64 8
  store float %.fca.1.extract2, ptr %.sroa.24.0..sroa_idx, align 8
  %18 = call { <2 x float>, float } @_ZN2mtmiIffEENS_7Vector3INS_7PromoteIT_T0_E2RTEEERKNS1_IS3_EERKNS1_IS4_EE(ptr noundef nonnull align 4 dereferenceable(12) %6, ptr noundef nonnull align 4 dereferenceable(12) %7)
  %.fca.0.extract = extractvalue { <2 x float>, float } %18, 0
  %.fca.1.extract = extractvalue { <2 x float>, float } %18, 1
  store <2 x float> %.fca.0.extract, ptr %5, align 8
  %.sroa.2.0..sroa_idx = getelementptr inbounds i8, ptr %5, i64 8
  store float %.fca.1.extract, ptr %.sroa.2.0..sroa_idx, align 8
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %6) #4
  %19 = call noundef float @_ZN2mt13lengthSquaredINS_7Vector3IfEEEENT_10ScalarTypeERKS3_(ptr noundef nonnull align 4 dereferenceable(12) %5)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #4
  store float 0.000000e+00, ptr %8, align 4, !tbaa !8
  call void @_ZN2cv8Extruder12auxTesselateERKNS_5CurveERKN2mt7Vector3INS4_4DualIfEEEEfSA_ffRf(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 4 dereferenceable(24) %3, float noundef 0.000000e+00, ptr noundef nonnull align 4 dereferenceable(24) %4, float noundef 1.000000e+00, float noundef %19, ptr noundef nonnull align 4 dereferenceable(4) %8)
  %20 = load float, ptr %8, align 4, !tbaa !8
  call void @_ZN2cv8Extruder9addSampleERKN2mt7Vector3INS1_4DualIfEEEEf(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 4 dereferenceable(24) %4, float noundef %20)
  %21 = load float, ptr %8, align 4, !tbaa !8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  ret float %21
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIN2cv6SampleESaIS1_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

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

; Function Attrs: alwaysinline mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN2mtmiIffEENS_7Vector3INS_7PromoteIT_T0_E2RTEEERKNS1_IS3_EERKNS1_IS4_EE(ptr noundef nonnull align 4 dereferenceable(12), ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #3

; Function Attrs: alwaysinline mustprogress uwtable
declare dso_local { <2 x float>, float } @_ZN2mt4realIfEENS_7Vector3IT_EERKNS1_INS_4DualIS2_EEEE(ptr noundef nonnull align 4 dereferenceable(24)) local_unnamed_addr #3

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

; Function Attrs: alwaysinline mustprogress uwtable
declare dso_local noundef float @_ZN2mt13lengthSquaredINS_7Vector3IfEEEENT_10ScalarTypeERKS3_(ptr noundef nonnull align 4 dereferenceable(12)) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2cv8Extruder12auxTesselateERKNS_5CurveERKN2mt7Vector3INS4_4DualIfEEEEfSA_ffRf(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(24), float noundef, ptr noundef nonnull align 4 dereferenceable(24), float noundef, float noundef, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN2cv8Extruder9addSampleERKN2mt7Vector3INS1_4DualIfEEEEf(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(24), float noundef) local_unnamed_addr #0 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="64" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { alwaysinline 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"float", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}


; Effective O3 passes: GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,TailCallElimPass