; LLVM IR from bqi343/cp-notebook :: Implementations/content/geometry (13)/3D (death_conveyor)

; 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"

%"struct.std::array" = type { [4 x x86_fp80] }
%"class.std::vector.5" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::array<long double, 4>, std::allocator<std::array<long double, 4>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::array<long double, 4>, std::allocator<std::array<long double, 4>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::array<long double, 4>, std::allocator<std::array<long double, 4>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::array<long double, 4>, std::allocator<std::array<long double, 4>>>::_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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z12findEigenvecRKSt6vectorISt5arrayIeLm4EESaIS1_EERKS0_IS0_IeLm3EELm3EE(ptr dead_on_unwind noalias writable sret(%"struct.std::array") align 16, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 16 dereferenceable(144)) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z10eigenBasisRKSt5arrayIS_IeLm3EELm3EE(ptr dead_on_unwind noalias writable sret(%"class.std::vector.5") align 8 %0, ptr noundef nonnull align 16 dereferenceable(144) %1) #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i1, align 1
  %6 = alloca i32, align 4
  %7 = alloca %"struct.std::array", align 16
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  store i1 false, ptr %5, align 1
  call void @_ZNSt6vectorISt5arrayIeLm4EESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  store i32 0, ptr %6, align 4, !tbaa !9
  br label %10

10:                                               ; preds = %18, %2
  %11 = load i32, ptr %6, align 4, !tbaa !9
  %12 = icmp slt i32 %11, 3
  br i1 %12, label %14, label %13

13:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  br label %25

14:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 64, ptr %7) #3
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  invoke void @_Z12findEigenvecRKSt6vectorISt5arrayIeLm4EESaIS1_EERKS0_IS0_IeLm3EELm3EE(ptr dead_on_unwind writable sret(%"struct.std::array") align 16 %7, ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 16 dereferenceable(144) %15)
          to label %16 unwind label %21

16:                                               ; preds = %14
  invoke void @_ZNSt6vectorISt5arrayIeLm4EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 16 dereferenceable(64) %7)
          to label %17 unwind label %21

17:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 64, ptr %7) #3
  br label %18

18:                                               ; preds = %17
  %19 = load i32, ptr %6, align 4, !tbaa !9
  %20 = add nsw i32 %19, 1
  store i32 %20, ptr %6, align 4, !tbaa !9
  br label %10, !llvm.loop !11

21:                                               ; preds = %16, %14
  %22 = landingpad { ptr, i32 }
          cleanup
  %23 = extractvalue { ptr, i32 } %22, 0
  store ptr %23, ptr %8, align 8
  %24 = extractvalue { ptr, i32 } %22, 1
  store i32 %24, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 64, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  call void @_ZNSt6vectorISt5arrayIeLm4EESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %29

25:                                               ; preds = %13
  store i1 true, ptr %5, align 1
  %26 = load i1, ptr %5, align 1
  br i1 %26, label %28, label %27

27:                                               ; preds = %25
  call void @_ZNSt6vectorISt5arrayIeLm4EESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %28

28:                                               ; preds = %27, %25
  ret void

29:                                               ; preds = %21
  %30 = load ptr, ptr %8, align 8
  %31 = load i32, ptr %9, align 4
  %32 = insertvalue { ptr, i32 } poison, ptr %30, 0
  %33 = insertvalue { ptr, i32 } %32, i32 %31, 1
  resume { ptr, i32 } %33
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt5arrayIeLm4EESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt5arrayIeLm4EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 16 dereferenceable(64)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt5arrayIeLm4EESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

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

%"struct.std::array" = type { [4 x x86_fp80] }
%"class.std::vector.5" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::array<long double, 4>, std::allocator<std::array<long double, 4>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::array<long double, 4>, std::allocator<std::array<long double, 4>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::array<long double, 4>, std::allocator<std::array<long double, 4>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::array<long double, 4>, std::allocator<std::array<long double, 4>>>::_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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z12findEigenvecRKSt6vectorISt5arrayIeLm4EESaIS1_EERKS0_IS0_IeLm3EELm3EE(ptr dead_on_unwind noalias writable sret(%"struct.std::array") align 16, ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 16 dereferenceable(144)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z10eigenBasisRKSt5arrayIS_IeLm3EELm3EE(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::vector.5") align 8 %0, ptr noundef nonnull align 16 dereferenceable(144) %1) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"struct.std::array", align 16
  tail call void @_ZNSt6vectorISt5arrayIeLm4EESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %3) #3
  invoke void @_Z12findEigenvecRKSt6vectorISt5arrayIeLm4EESaIS1_EERKS0_IS0_IeLm3EELm3EE(ptr dead_on_unwind nonnull writable sret(%"struct.std::array") align 16 %3, ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 16 dereferenceable(144) %1)
          to label %4 unwind label %10

4:                                                ; preds = %2
  invoke void @_ZNSt6vectorISt5arrayIeLm4EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 16 dereferenceable(64) %3)
          to label %5 unwind label %10

5:                                                ; preds = %4
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %3) #3
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %3) #3
  invoke void @_Z12findEigenvecRKSt6vectorISt5arrayIeLm4EESaIS1_EERKS0_IS0_IeLm3EELm3EE(ptr dead_on_unwind nonnull writable sret(%"struct.std::array") align 16 %3, ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 16 dereferenceable(144) %1)
          to label %6 unwind label %10

6:                                                ; preds = %5
  invoke void @_ZNSt6vectorISt5arrayIeLm4EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 16 dereferenceable(64) %3)
          to label %7 unwind label %10

7:                                                ; preds = %6
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %3) #3
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %3) #3
  invoke void @_Z12findEigenvecRKSt6vectorISt5arrayIeLm4EESaIS1_EERKS0_IS0_IeLm3EELm3EE(ptr dead_on_unwind nonnull writable sret(%"struct.std::array") align 16 %3, ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 16 dereferenceable(144) %1)
          to label %8 unwind label %10

8:                                                ; preds = %7
  invoke void @_ZNSt6vectorISt5arrayIeLm4EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 16 dereferenceable(64) %3)
          to label %9 unwind label %10

9:                                                ; preds = %8
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %3) #3
  ret void

10:                                               ; preds = %8, %7, %6, %5, %4, %2
  %11 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %3) #3
  call void @_ZNSt6vectorISt5arrayIeLm4EESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  resume { ptr, i32 } %11
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt5arrayIeLm4EESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt5arrayIeLm4EESaIS1_EE9push_backEOS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 16 dereferenceable(64)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt5arrayIeLm4EESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

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


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass