; LLVM IR from Chasmiccoder/Algos-for-Amigos :: Mathematics/Linear-Algebra/p03_determinant.ll (Z11determinantSt6vectorIS_IfSaIfEESaIS1_EEi)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<float>, std::allocator<std::vector<float>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<float>, std::allocator<std::vector<float>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<float>, std::allocator<std::vector<float>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<float>, std::allocator<std::vector<float>>>::_Vector_impl_data" = type { ptr, ptr, ptr }

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IfSaIfEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIfSaIfEEixEm(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.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z20minor_in_matrix_formSt6vectorIS_IfSaIfEESaIS1_EEiii(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef, i32 noundef, i32 noundef, i32 noundef) #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IfSaIfEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IfSaIfEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef float @_Z11determinantSt6vectorIS_IfSaIfEESaIS1_EEi(ptr noundef %0, i32 noundef %1) #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca float, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca float, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca float, align 4
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca %"class.std::vector", align 8
  %12 = alloca %"class.std::vector", align 8
  %13 = alloca ptr, align 8
  %14 = alloca i32, align 4
  %15 = alloca %"class.std::vector", align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  %16 = load i32, ptr %5, align 4, !tbaa !9
  %17 = icmp eq i32 %16, 1
  br i1 %17, label %18, label %22

18:                                               ; preds = %2
  %19 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IfSaIfEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #5
  %20 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIfSaIfEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %19, i64 noundef 0) #5
  %21 = load float, ptr %20, align 4, !tbaa !11
  store float %21, ptr %3, align 4
  br label %102

22:                                               ; preds = %2
  %23 = load i32, ptr %5, align 4, !tbaa !9
  %24 = icmp eq i32 %23, 2
  br i1 %24, label %25, label %41

25:                                               ; preds = %22
  %26 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IfSaIfEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #5
  %27 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIfSaIfEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %26, i64 noundef 0) #5
  %28 = load float, ptr %27, align 4, !tbaa !11
  %29 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IfSaIfEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 1) #5
  %30 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIfSaIfEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %29, i64 noundef 1) #5
  %31 = load float, ptr %30, align 4, !tbaa !11
  %32 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IfSaIfEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #5
  %33 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIfSaIfEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %32, i64 noundef 1) #5
  %34 = load float, ptr %33, align 4, !tbaa !11
  %35 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IfSaIfEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 1) #5
  %36 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIfSaIfEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %35, i64 noundef 0) #5
  %37 = load float, ptr %36, align 4, !tbaa !11
  %38 = fmul float %34, %37
  %39 = fneg float %38
  %40 = call float @llvm.fmuladd.f32(float %28, float %31, float %39)
  store float %40, ptr %3, align 4
  br label %102

41:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store float 0.000000e+00, ptr %6, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #5
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %42

42:                                               ; preds = %79, %41
  %43 = load i32, ptr %7, align 4, !tbaa !9
  %44 = load i32, ptr %5, align 4, !tbaa !9
  %45 = icmp slt i32 %43, %44
  br i1 %45, label %47, label %46

46:                                               ; preds = %42
  store i32 2, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  br label %100

47:                                               ; preds = %42
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #5
  %48 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IfSaIfEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #5
  %49 = load i32, ptr %7, align 4, !tbaa !9
  %50 = sext i32 %49 to i64
  %51 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIfSaIfEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %48, i64 noundef %50) #5
  %52 = load float, ptr %51, align 4, !tbaa !11
  store float %52, ptr %9, align 4, !tbaa !11
  %53 = load float, ptr %9, align 4, !tbaa !11
  %54 = fcmp oeq float %53, 0.000000e+00
  br i1 %54, label %55, label %56

55:                                               ; preds = %47
  store i32 4, ptr %8, align 4
  br label %76

56:                                               ; preds = %47
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #5
  call void @_ZNSt6vectorIS_IfSaIfEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr %11) #5
  invoke void @_ZNSt6vectorIS_IfSaIfEESaIS1_EEC2ERKS3_(ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef nonnull align 8 dereferenceable(24) %0)
          to label %57 unwind label %82

57:                                               ; preds = %56
  %58 = load i32, ptr %7, align 4, !tbaa !9
  %59 = load i32, ptr %5, align 4, !tbaa !9
  invoke void @_Z20minor_in_matrix_formSt6vectorIS_IfSaIfEESaIS1_EEiii(ptr dead_on_unwind writable sret(%"class.std::vector") align 8 %11, ptr noundef %12, i32 noundef 0, i32 noundef %58, i32 noundef %59)
          to label %60 unwind label %86

60:                                               ; preds = %57
  %61 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IfSaIfEESaIS1_EEaSEOS3_(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 8 dereferenceable(24) %11) #5
  call void @_ZNSt6vectorIS_IfSaIfEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #5
  call void @_ZNSt6vectorIS_IfSaIfEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #5
  %62 = load i32, ptr %7, align 4, !tbaa !9
  %63 = invoke noundef double @_ZSt3powIiiEN9__gnu_cxx9__promoteIDTplcvNS1_IT_Xsr3std12__is_integerIS2_EE7__valueEE6__typeELi0EcvNS1_IT0_Xsr3std12__is_integerIS5_EE7__valueEE6__typeELi0EEXsr3std12__is_integerIS8_EE7__valueEE6__typeES2_S5_(i32 noundef -1, i32 noundef %62)
          to label %64 unwind label %91

64:                                               ; preds = %60
  %65 = fptosi double %63 to i32
  %66 = sitofp i32 %65 to float
  %67 = load float, ptr %9, align 4, !tbaa !11
  %68 = fmul float %66, %67
  invoke void @_ZNSt6vectorIS_IfSaIfEESaIS1_EEC2ERKS3_(ptr noundef nonnull align 8 dereferenceable(24) %15, ptr noundef nonnull align 8 dereferenceable(24) %10)
          to label %69 unwind label %91

69:                                               ; preds = %64
  %70 = load i32, ptr %5, align 4, !tbaa !9
  %71 = sub nsw i32 %70, 1
  %72 = invoke noundef float @_Z11determinantSt6vectorIS_IfSaIfEESaIS1_EEi(ptr noundef %15, i32 noundef %71)
          to label %73 unwind label %95

73:                                               ; preds = %69
  %74 = load float, ptr %6, align 4, !tbaa !11
  %75 = call float @llvm.fmuladd.f32(float %68, float %72, float %74)
  store float %75, ptr %6, align 4, !tbaa !11
  call void @_ZNSt6vectorIS_IfSaIfEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %15) #5
  call void @_ZNSt6vectorIS_IfSaIfEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #5
  store i32 0, ptr %8, align 4
  br label %76

76:                                               ; preds = %73, %55
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  %77 = load i32, ptr %8, align 4
  switch i32 %77, label %109 [
    i32 0, label %78
    i32 4, label %79
  ]

78:                                               ; preds = %76
  br label %79

79:                                               ; preds = %78, %76
  %80 = load i32, ptr %7, align 4, !tbaa !9
  %81 = add nsw i32 %80, 1
  store i32 %81, ptr %7, align 4, !tbaa !9
  br label %42, !llvm.loop !13

82:                                               ; preds = %56
  %83 = landingpad { ptr, i32 }
          cleanup
  %84 = extractvalue { ptr, i32 } %83, 0
  store ptr %84, ptr %13, align 8
  %85 = extractvalue { ptr, i32 } %83, 1
  store i32 %85, ptr %14, align 4
  br label %90

86:                                               ; preds = %57
  %87 = landingpad { ptr, i32 }
          cleanup
  %88 = extractvalue { ptr, i32 } %87, 0
  store ptr %88, ptr %13, align 8
  %89 = extractvalue { ptr, i32 } %87, 1
  store i32 %89, ptr %14, align 4
  call void @_ZNSt6vectorIS_IfSaIfEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  br label %90

90:                                               ; preds = %86, %82
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #5
  br label %99

91:                                               ; preds = %64, %60
  %92 = landingpad { ptr, i32 }
          cleanup
  %93 = extractvalue { ptr, i32 } %92, 0
  store ptr %93, ptr %13, align 8
  %94 = extractvalue { ptr, i32 } %92, 1
  store i32 %94, ptr %14, align 4
  br label %99

95:                                               ; preds = %69
  %96 = landingpad { ptr, i32 }
          cleanup
  %97 = extractvalue { ptr, i32 } %96, 0
  store ptr %97, ptr %13, align 8
  %98 = extractvalue { ptr, i32 } %96, 1
  store i32 %98, ptr %14, align 4
  call void @_ZNSt6vectorIS_IfSaIfEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %15) #5
  br label %99

99:                                               ; preds = %95, %91, %90
  call void @_ZNSt6vectorIS_IfSaIfEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  br label %104

100:                                              ; preds = %46
  %101 = load float, ptr %6, align 4, !tbaa !11
  store float %101, ptr %3, align 4
  store i32 1, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  br label %102

102:                                              ; preds = %100, %25, %18
  %103 = load float, ptr %3, align 4
  ret float %103

104:                                              ; preds = %99
  %105 = load ptr, ptr %13, align 8
  %106 = load i32, ptr %14, align 4
  %107 = insertvalue { ptr, i32 } poison, ptr %105, 0
  %108 = insertvalue { ptr, i32 } %107, i32 %106, 1
  resume { ptr, i32 } %108

109:                                              ; preds = %76
  unreachable
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IfSaIfEESaIS1_EEC2ERKS3_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IfSaIfEESaIS1_EEaSEOS3_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt3powIiiEN9__gnu_cxx9__promoteIDTplcvNS1_IT_Xsr3std12__is_integerIS2_EE7__valueEE6__typeELi0EcvNS1_IT0_Xsr3std12__is_integerIS5_EE7__valueEE6__typeELi0EEXsr3std12__is_integerIS8_EE7__valueEE6__typeES2_S5_(i32 noundef, i32 noundef) #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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { 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 #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 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"float", !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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<float>, std::allocator<std::vector<float>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<float>, std::allocator<std::vector<float>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<float>, std::allocator<std::vector<float>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<float>, std::allocator<std::vector<float>>>::_Vector_impl_data" = type { ptr, ptr, ptr }

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IfSaIfEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIfSaIfEEixEm(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.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z20minor_in_matrix_formSt6vectorIS_IfSaIfEESaIS1_EEiii(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8, ptr noundef, i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IfSaIfEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IfSaIfEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef float @_Z11determinantSt6vectorIS_IfSaIfEESaIS1_EEi(ptr noundef %0, i32 noundef %1) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::vector", align 8
  switch i32 %1, label %.preheader [
    i32 1, label %9
    i32 2, label %13
  ]

.preheader:                                       ; preds = %2
  %7 = icmp sgt i32 %1, 0
  br i1 %7, label %.lr.ph, label %.loopexit

.lr.ph:                                           ; preds = %.preheader
  %8 = add nsw i32 %1, -1
  %wide.trip.count = zext nneg i32 %1 to i64
  br label %29

9:                                                ; preds = %2
  %10 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IfSaIfEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #5
  %11 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIfSaIfEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef 0) #5
  %12 = load float, ptr %11, align 4, !tbaa !5
  br label %.loopexit

13:                                               ; preds = %2
  %14 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IfSaIfEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #5
  %15 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIfSaIfEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %14, i64 noundef 0) #5
  %16 = load float, ptr %15, align 4, !tbaa !5
  %17 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IfSaIfEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 1) #5
  %18 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIfSaIfEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %17, i64 noundef 1) #5
  %19 = load float, ptr %18, align 4, !tbaa !5
  %20 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IfSaIfEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #5
  %21 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIfSaIfEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %20, i64 noundef 1) #5
  %22 = load float, ptr %21, align 4, !tbaa !5
  %23 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IfSaIfEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 1) #5
  %24 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIfSaIfEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %23, i64 noundef 0) #5
  %25 = load float, ptr %24, align 4, !tbaa !5
  %26 = fneg float %22
  %27 = fmul float %25, %26
  %28 = tail call float @llvm.fmuladd.f32(float %16, float %19, float %27)
  br label %.loopexit

29:                                               ; preds = %.lr.ph, %47
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %47 ]
  %.02031 = phi float [ 0.000000e+00, %.lr.ph ], [ %.121, %47 ]
  %30 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IfSaIfEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef 0) #5
  %31 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIfSaIfEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %30, i64 noundef %indvars.iv) #5
  %32 = load float, ptr %31, align 4, !tbaa !5
  %33 = fcmp oeq float %32, 0.000000e+00
  br i1 %33, label %47, label %34

34:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #5
  call void @_ZNSt6vectorIS_IfSaIfEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #5
  invoke void @_ZNSt6vectorIS_IfSaIfEESaIS1_EEC2ERKS3_(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr noundef nonnull align 8 dereferenceable(24) %0)
          to label %35 unwind label %48

35:                                               ; preds = %34
  %36 = trunc nuw nsw i64 %indvars.iv to i32
  invoke void @_Z20minor_in_matrix_formSt6vectorIS_IfSaIfEESaIS1_EEiii(ptr dead_on_unwind nonnull writable sret(%"class.std::vector") align 8 %4, ptr noundef nonnull %5, i32 noundef 0, i32 noundef %36, i32 noundef %1)
          to label %37 unwind label %50

37:                                               ; preds = %35
  %38 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IfSaIfEESaIS1_EEaSEOS3_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @_ZNSt6vectorIS_IfSaIfEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @_ZNSt6vectorIS_IfSaIfEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #5
  %39 = call noundef double @_ZSt3powIiiEN9__gnu_cxx9__promoteIDTplcvNS1_IT_Xsr3std12__is_integerIS2_EE7__valueEE6__typeELi0EcvNS1_IT0_Xsr3std12__is_integerIS5_EE7__valueEE6__typeELi0EEXsr3std12__is_integerIS8_EE7__valueEE6__typeES2_S5_(i32 noundef -1, i32 noundef %36)
  %40 = fptosi double %39 to i32
  %41 = sitofp i32 %40 to float
  %42 = fmul float %32, %41
  invoke void @_ZNSt6vectorIS_IfSaIfEESaIS1_EEC2ERKS3_(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(24) %3)
          to label %43 unwind label %53

43:                                               ; preds = %37
  %44 = invoke noundef float @_Z11determinantSt6vectorIS_IfSaIfEESaIS1_EEi(ptr noundef nonnull %6, i32 noundef %8)
          to label %45 unwind label %55

45:                                               ; preds = %43
  %46 = call float @llvm.fmuladd.f32(float %42, float %44, float %.02031)
  call void @_ZNSt6vectorIS_IfSaIfEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  call void @_ZNSt6vectorIS_IfSaIfEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  br label %47

47:                                               ; preds = %29, %45
  %.121 = phi float [ %46, %45 ], [ %.02031, %29 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %.loopexit, label %29, !llvm.loop !9

48:                                               ; preds = %34
  %49 = landingpad { ptr, i32 }
          cleanup
  br label %52

50:                                               ; preds = %35
  %51 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIS_IfSaIfEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  br label %52

52:                                               ; preds = %50, %48
  %.pn = phi { ptr, i32 } [ %51, %50 ], [ %49, %48 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #5
  br label %57

53:                                               ; preds = %37
  %54 = landingpad { ptr, i32 }
          cleanup
  br label %57

55:                                               ; preds = %43
  %56 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIS_IfSaIfEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  br label %57

57:                                               ; preds = %55, %53, %52
  %.pn25 = phi { ptr, i32 } [ %56, %55 ], [ %54, %53 ], [ %.pn, %52 ]
  call void @_ZNSt6vectorIS_IfSaIfEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  resume { ptr, i32 } %.pn25

.loopexit:                                        ; preds = %47, %.preheader, %13, %9
  %.018 = phi float [ %12, %9 ], [ %28, %13 ], [ 0.000000e+00, %.preheader ], [ %.121, %47 ]
  ret float %.018
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare float @llvm.fmuladd.f32(float, float, float) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IfSaIfEESaIS1_EEC2ERKS3_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IfSaIfEESaIS1_EEaSEOS3_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZSt3powIiiEN9__gnu_cxx9__promoteIDTplcvNS1_IT_Xsr3std12__is_integerIS2_EE7__valueEE6__typeELi0EcvNS1_IT0_Xsr3std12__is_integerIS5_EE7__valueEE6__typeELi0EEXsr3std12__is_integerIS8_EE7__valueEE6__typeES2_S5_(i32 noundef, i32 noundef) local_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 = { mustprogress nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { 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 #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 = !{!"float", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass