; LLVM IR from buresjan/optim_lbm :: nomad/ext/sgtelib/src (Surrogate_LOWESS)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }
%"class.SGTELIB::Matrix" = type { ptr, %"class.std::__cxx11::basic_string", i32, i32, ptr }
%"class.SGTELIB::Surrogate_LOWESS" = type { %"class.SGTELIB::Surrogate.base", i32, i32, i32, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.SGTELIB::Matrix" }
%"class.SGTELIB::Surrogate.base" = type <{ ptr, ptr, %"class.SGTELIB::Surrogate_Parameters", i32, i32, i32, i32, i32, i32, i8, [7 x i8], ptr, ptr, ptr, ptr, %"class.std::__cxx11::list", %"class.std::map", double, %"class.std::basic_ofstream", i8 }>
%"class.SGTELIB::Surrogate_Parameters" = type { ptr, i32, i32, i32, i32, i32, double, i32, double, i32, i32, i32, %"class.SGTELIB::Matrix", i32, i32, i32, double, double, double, double, %"class.SGTELIB::Matrix", i32, i32, %"class.std::__cxx11::basic_string", %"class.std::__cxx11::basic_string", i32, i32 }
%"class.std::__cxx11::list" = type { %"class.std::__cxx11::_List_base" }
%"class.std::__cxx11::_List_base" = type { %"struct.std::__cxx11::_List_base<int, std::allocator<int>>::_List_impl" }
%"struct.std::__cxx11::_List_base<int, std::allocator<int>>::_List_impl" = type { %"struct.std::__detail::_List_node_header" }
%"struct.std::__detail::_List_node_header" = type { %"struct.std::__detail::_List_node_base", i64 }
%"struct.std::__detail::_List_node_base" = type { ptr, ptr }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<SGTELIB::metric_t, std::pair<const SGTELIB::metric_t, SGTELIB::Matrix>, std::_Select1st<std::pair<const SGTELIB::metric_t, SGTELIB::Matrix>>, std::less<SGTELIB::metric_t>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<SGTELIB::metric_t, std::pair<const SGTELIB::metric_t, SGTELIB::Matrix>, std::_Select1st<std::pair<const SGTELIB::metric_t, SGTELIB::Matrix>>, std::less<SGTELIB::metric_t>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"class.std::basic_ofstream" = type { %"class.std::basic_ostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_ostream.base" = type { ptr }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon.6 }
%union.anon.6 = type { i32 }
%"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 }

@.str.3 = external hidden unnamed_addr constant [95 x i8], align 1
@__FUNCTION__._ZN7SGTELIB16Surrogate_LOWESS15predict_privateERKNS_6MatrixEPS1_ = external hidden unnamed_addr constant [16 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: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

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

; Function Attrs: nounwind
declare void @_ZN7SGTELIB6MatrixD1Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3

declare noundef nonnull align 8 dereferenceable(56) ptr @_ZN7SGTELIB6MatrixaSERKS0_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(56)) #4

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7SGTELIB16Surrogate_LOWESS15predict_privateERKNS_6MatrixEPS1_(ptr noundef nonnull align 8 dereferenceable(1128) %0, ptr noundef nonnull align 8 dereferenceable(56) %1, ptr noundef %2) unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::allocator", align 1
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  %12 = alloca %"class.std::allocator", align 1
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca %"class.SGTELIB::Matrix", align 8
  %17 = alloca %"class.SGTELIB::Matrix", align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  %18 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef @.str.3, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %19 unwind label %33

19:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %11, ptr noundef @__FUNCTION__._ZN7SGTELIB16Surrogate_LOWESS15predict_privateERKNS_6MatrixEPS1_, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %20 unwind label %37

20:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  store i32 235, ptr %13, align 4, !tbaa !9
  invoke void @_ZNK7SGTELIB9Surrogate11check_readyERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES8_RKi(ptr noundef nonnull align 8 dereferenceable(985) %18, ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull align 8 dereferenceable(32) %11, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %21 unwind label %41

21:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #6
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = call noundef i32 @_ZNK7SGTELIB6Matrix11get_nb_rowsEv(ptr noundef nonnull align 8 dereferenceable(56) %22)
  store i32 %23, ptr %14, align 4, !tbaa !9
  %24 = load i32, ptr %14, align 4, !tbaa !9
  %25 = icmp sgt i32 %24, 1
  br i1 %25, label %26, label %62

26:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #6
  store i32 0, ptr %15, align 4, !tbaa !9
  br label %27

27:                                               ; preds = %54, %26
  %28 = load i32, ptr %15, align 4, !tbaa !9
  %29 = load ptr, ptr %5, align 8, !tbaa !5
  %30 = call noundef i32 @_ZNK7SGTELIB6Matrix11get_nb_rowsEv(ptr noundef nonnull align 8 dereferenceable(56) %29)
  %31 = icmp slt i32 %28, %30
  br i1 %31, label %47, label %32

32:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %61

33:                                               ; preds = %3
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %9, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %10, align 4
  br label %46

37:                                               ; preds = %19
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %9, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %10, align 4
  br label %45

41:                                               ; preds = %20
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %9, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #6
  br label %45

45:                                               ; preds = %41, %37
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #6
  br label %46

46:                                               ; preds = %45, %33
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #6
  br label %74

47:                                               ; preds = %27
  %48 = load ptr, ptr %5, align 8, !tbaa !5
  %49 = load i32, ptr %15, align 4, !tbaa !9
  call void @_ZNK7SGTELIB6Matrix7get_rowEi(ptr dead_on_unwind writable sret(%"class.SGTELIB::Matrix") align 8 %16, ptr noundef nonnull align 8 dereferenceable(56) %48, i32 noundef %49)
  invoke void @_ZN7SGTELIB16Surrogate_LOWESS22predict_private_singleENS_6MatrixEi(ptr noundef nonnull align 8 dereferenceable(1128) %18, ptr noundef %16, i32 noundef -1)
          to label %50 unwind label %57

50:                                               ; preds = %47
  call void @_ZN7SGTELIB6MatrixD1Ev(ptr noundef nonnull align 8 dereferenceable(56) %16) #6
  %51 = load ptr, ptr %6, align 8, !tbaa !5
  %52 = getelementptr inbounds %"class.SGTELIB::Surrogate_LOWESS", ptr %18, i32 0, i32 13
  %53 = load i32, ptr %15, align 4, !tbaa !9
  call void @_ZN7SGTELIB6Matrix7set_rowERKS0_i(ptr noundef nonnull align 8 dereferenceable(56) %51, ptr noundef nonnull align 8 dereferenceable(56) %52, i32 noundef %53)
  br label %54

54:                                               ; preds = %50
  %55 = load i32, ptr %15, align 4, !tbaa !9
  %56 = add nsw i32 %55, 1
  store i32 %56, ptr %15, align 4, !tbaa !9
  br label %27, !llvm.loop !11

57:                                               ; preds = %47
  %58 = landingpad { ptr, i32 }
          cleanup
  %59 = extractvalue { ptr, i32 } %58, 0
  store ptr %59, ptr %9, align 8
  %60 = extractvalue { ptr, i32 } %58, 1
  store i32 %60, ptr %10, align 4
  call void @_ZN7SGTELIB6MatrixD1Ev(ptr noundef nonnull align 8 dereferenceable(56) %16) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %73

61:                                               ; preds = %32
  br label %72

62:                                               ; preds = %21
  %63 = load ptr, ptr %5, align 8, !tbaa !5
  call void @_ZN7SGTELIB6MatrixC1ERKS0_(ptr noundef nonnull align 8 dereferenceable(56) %17, ptr noundef nonnull align 8 dereferenceable(56) %63)
  invoke void @_ZN7SGTELIB16Surrogate_LOWESS22predict_private_singleENS_6MatrixEi(ptr noundef nonnull align 8 dereferenceable(1128) %18, ptr noundef %17, i32 noundef -1)
          to label %64 unwind label %68

64:                                               ; preds = %62
  call void @_ZN7SGTELIB6MatrixD1Ev(ptr noundef nonnull align 8 dereferenceable(56) %17) #6
  %65 = getelementptr inbounds %"class.SGTELIB::Surrogate_LOWESS", ptr %18, i32 0, i32 13
  %66 = load ptr, ptr %6, align 8, !tbaa !5
  %67 = call noundef nonnull align 8 dereferenceable(56) ptr @_ZN7SGTELIB6MatrixaSERKS0_(ptr noundef nonnull align 8 dereferenceable(56) %66, ptr noundef nonnull align 8 dereferenceable(56) %65)
  br label %72

68:                                               ; preds = %62
  %69 = landingpad { ptr, i32 }
          cleanup
  %70 = extractvalue { ptr, i32 } %69, 0
  store ptr %70, ptr %9, align 8
  %71 = extractvalue { ptr, i32 } %69, 1
  store i32 %71, ptr %10, align 4
  call void @_ZN7SGTELIB6MatrixD1Ev(ptr noundef nonnull align 8 dereferenceable(56) %17) #6
  br label %73

72:                                               ; preds = %64, %61
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  ret void

73:                                               ; preds = %68, %57
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  br label %74

74:                                               ; preds = %73, %46
  %75 = load ptr, ptr %9, align 8
  %76 = load i32, ptr %10, align 4
  %77 = insertvalue { ptr, i32 } poison, ptr %75, 0
  %78 = insertvalue { ptr, i32 } %77, i32 %76, 1
  resume { ptr, i32 } %78
}

declare void @_ZNK7SGTELIB9Surrogate11check_readyERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES8_RKi(ptr noundef nonnull align 8 dereferenceable(985), ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(4)) #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK7SGTELIB6Matrix11get_nb_rowsEv(ptr noundef nonnull align 8 dereferenceable(56)) #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7SGTELIB16Surrogate_LOWESS22predict_private_singleENS_6MatrixEi(ptr noundef nonnull align 8 dereferenceable(1128), ptr noundef, i32 noundef) #2 align 2

declare void @_ZNK7SGTELIB6Matrix7get_rowEi(ptr dead_on_unwind writable sret(%"class.SGTELIB::Matrix") align 8, ptr noundef nonnull align 8 dereferenceable(56), i32 noundef) #4

declare void @_ZN7SGTELIB6Matrix7set_rowERKS0_i(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(56), i32 noundef) #4

declare void @_ZN7SGTELIB6MatrixC1ERKS0_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #4

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 "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 = { 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 #6 = { 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"}


; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::allocator" = type { i8 }
%"class.SGTELIB::Matrix" = type { ptr, %"class.std::__cxx11::basic_string", i32, i32, ptr }

@.str.3 = external hidden unnamed_addr constant [95 x i8], align 1
@__FUNCTION__._ZN7SGTELIB16Surrogate_LOWESS15predict_privateERKNS_6MatrixEPS1_ = external hidden unnamed_addr constant [16 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 nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

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

; Function Attrs: nounwind
declare void @_ZN7SGTELIB6MatrixD1Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3

declare noundef nonnull align 8 dereferenceable(56) ptr @_ZN7SGTELIB6MatrixaSERKS0_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7SGTELIB16Surrogate_LOWESS15predict_privateERKNS_6MatrixEPS1_(ptr noundef nonnull align 8 dereferenceable(1128) %0, ptr noundef nonnull align 8 dereferenceable(56) %1, ptr noundef %2) unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca i32, align 4
  %9 = alloca %"class.SGTELIB::Matrix", align 8
  %10 = alloca %"class.SGTELIB::Matrix", align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull @.str.3, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %11 unwind label %19

11:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #6
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull @__FUNCTION__._ZN7SGTELIB16Surrogate_LOWESS15predict_privateERKNS_6MatrixEPS1_, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %12 unwind label %21

12:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #6
  store i32 235, ptr %8, align 4, !tbaa !5
  invoke void @_ZNK7SGTELIB9Surrogate11check_readyERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES8_RKi(ptr noundef nonnull align 8 dereferenceable(985) %0, ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %13 unwind label %23

13:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #6
  %14 = call noundef i32 @_ZNK7SGTELIB6Matrix11get_nb_rowsEv(ptr noundef nonnull align 8 dereferenceable(56) %1)
  %15 = icmp sgt i32 %14, 1
  br i1 %15, label %.preheader, label %34

.preheader:                                       ; preds = %13
  %16 = call noundef i32 @_ZNK7SGTELIB6Matrix11get_nb_rowsEv(ptr noundef nonnull align 8 dereferenceable(56) %1)
  %17 = icmp sgt i32 %16, 0
  br i1 %17, label %.lr.ph, label %.loopexit

.lr.ph:                                           ; preds = %.preheader
  %18 = getelementptr inbounds i8, ptr %0, i64 1072
  br label %27

19:                                               ; preds = %3
  %20 = landingpad { ptr, i32 }
          cleanup
  br label %26

21:                                               ; preds = %11
  %22 = landingpad { ptr, i32 }
          cleanup
  br label %25

23:                                               ; preds = %12
  %24 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #6
  br label %25

25:                                               ; preds = %23, %21
  %.pn = phi { ptr, i32 } [ %24, %23 ], [ %22, %21 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  br label %26

26:                                               ; preds = %25, %19
  %.pn.pn = phi { ptr, i32 } [ %.pn, %25 ], [ %20, %19 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #6
  br label %40

27:                                               ; preds = %.lr.ph, %28
  %.023 = phi i32 [ 0, %.lr.ph ], [ %29, %28 ]
  call void @_ZNK7SGTELIB6Matrix7get_rowEi(ptr dead_on_unwind nonnull writable sret(%"class.SGTELIB::Matrix") align 8 %9, ptr noundef nonnull align 8 dereferenceable(56) %1, i32 noundef %.023)
  invoke void @_ZN7SGTELIB16Surrogate_LOWESS22predict_private_singleENS_6MatrixEi(ptr noundef nonnull align 8 dereferenceable(1128) %0, ptr noundef nonnull %9, i32 noundef -1)
          to label %28 unwind label %32

28:                                               ; preds = %27
  call void @_ZN7SGTELIB6MatrixD1Ev(ptr noundef nonnull align 8 dereferenceable(56) %9) #6
  call void @_ZN7SGTELIB6Matrix7set_rowERKS0_i(ptr noundef nonnull align 8 dereferenceable(56) %2, ptr noundef nonnull align 8 dereferenceable(56) %18, i32 noundef %.023)
  %29 = add nuw nsw i32 %.023, 1
  %30 = call noundef i32 @_ZNK7SGTELIB6Matrix11get_nb_rowsEv(ptr noundef nonnull align 8 dereferenceable(56) %1)
  %31 = icmp slt i32 %29, %30
  br i1 %31, label %27, label %.loopexit, !llvm.loop !9

32:                                               ; preds = %27
  %33 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN7SGTELIB6MatrixD1Ev(ptr noundef nonnull align 8 dereferenceable(56) %9) #6
  br label %40

34:                                               ; preds = %13
  call void @_ZN7SGTELIB6MatrixC1ERKS0_(ptr noundef nonnull align 8 dereferenceable(56) %10, ptr noundef nonnull align 8 dereferenceable(56) %1)
  invoke void @_ZN7SGTELIB16Surrogate_LOWESS22predict_private_singleENS_6MatrixEi(ptr noundef nonnull align 8 dereferenceable(1128) %0, ptr noundef nonnull %10, i32 noundef -1)
          to label %35 unwind label %38

35:                                               ; preds = %34
  call void @_ZN7SGTELIB6MatrixD1Ev(ptr noundef nonnull align 8 dereferenceable(56) %10) #6
  %36 = getelementptr inbounds i8, ptr %0, i64 1072
  %37 = call noundef nonnull align 8 dereferenceable(56) ptr @_ZN7SGTELIB6MatrixaSERKS0_(ptr noundef nonnull align 8 dereferenceable(56) %2, ptr noundef nonnull align 8 dereferenceable(56) %36)
  br label %.loopexit

38:                                               ; preds = %34
  %39 = landingpad { ptr, i32 }
          cleanup
  call void @_ZN7SGTELIB6MatrixD1Ev(ptr noundef nonnull align 8 dereferenceable(56) %10) #6
  br label %40

.loopexit:                                        ; preds = %28, %.preheader, %35
  ret void

40:                                               ; preds = %32, %38, %26
  %.pn20.pn = phi { ptr, i32 } [ %.pn.pn, %26 ], [ %33, %32 ], [ %39, %38 ]
  resume { ptr, i32 } %.pn20.pn
}

declare void @_ZNK7SGTELIB9Surrogate11check_readyERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES8_RKi(ptr noundef nonnull align 8 dereferenceable(985), ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK7SGTELIB6Matrix11get_nb_rowsEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7SGTELIB16Surrogate_LOWESS22predict_private_singleENS_6MatrixEi(ptr noundef nonnull align 8 dereferenceable(1128), ptr noundef, i32 noundef) local_unnamed_addr #2 align 2

declare void @_ZNK7SGTELIB6Matrix7get_rowEi(ptr dead_on_unwind writable sret(%"class.SGTELIB::Matrix") align 8, ptr noundef nonnull align 8 dereferenceable(56), i32 noundef) local_unnamed_addr #4

declare void @_ZN7SGTELIB6Matrix7set_rowERKS0_i(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(56), i32 noundef) local_unnamed_addr #4

declare void @_ZN7SGTELIB6MatrixC1ERKS0_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #4

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 "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 = { 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 #6 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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