; 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.__gnu_cxx::__normal_iterator" = type { 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

; 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) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z5isVecRKSt5arrayIeLm4EE(ptr noundef nonnull align 16 dereferenceable(64)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 16 dereferenceable(64) ptr @_ZmIRSt5arrayIeLm4EERKS0_(ptr noundef nonnull align 16 dereferenceable(64), ptr noundef nonnull align 16 dereferenceable(64)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZmlSt5arrayIeLm4EERKe(ptr dead_on_unwind noalias writable sret(%"struct.std::array") align 16, ptr noundef byval(%"struct.std::array") align 16, ptr noundef nonnull align 16 dereferenceable(16)) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z4unitSt5arrayIeLm4EE(ptr dead_on_unwind noalias writable sret(%"struct.std::array") align 16, ptr noundef byval(%"struct.std::array") align 16) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef x86_fp80 @_Z3dotRKSt5arrayIeLm4EES2_(ptr noundef nonnull align 16 dereferenceable(64), ptr noundef nonnull align 16 dereferenceable(64)) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z7flattenRKSt6vectorISt5arrayIeLm4EESaIS1_EES1_(ptr dead_on_unwind noalias writable sret(%"struct.std::array") align 16 %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef byval(%"struct.std::array") align 16 %2) #3 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca ptr, align 8
  %9 = alloca %"struct.std::array", align 16
  %10 = alloca %"struct.std::array", align 16
  %11 = alloca x86_fp80, align 16
  %12 = alloca %"struct.std::array", align 16
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @_Z5isVecRKSt5arrayIeLm4EE(ptr noundef nonnull align 16 dereferenceable(64) %2)
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %13, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %14 = load ptr, ptr %5, align 8, !tbaa !5
  %15 = call ptr @_ZNKSt6vectorISt5arrayIeLm4EESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %14) #5
  %16 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %6, i32 0, i32 0
  store ptr %15, ptr %16, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = call ptr @_ZNKSt6vectorISt5arrayIeLm4EESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #5
  %19 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %18, ptr %19, align 8
  br label %20

20:                                               ; preds = %29, %3
  %21 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKSt5arrayIeLm4EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  br i1 %21, label %23, label %22

22:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %31

23:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %24 = call noundef nonnull align 16 dereferenceable(64) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKSt5arrayIeLm4EESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #5
  store ptr %24, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 64, ptr %9) #5
  %25 = load ptr, ptr %8, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %10, ptr align 16 %25, i64 64, i1 false), !tbaa.struct !9
  call void @llvm.lifetime.start.p0(i64 16, ptr %11) #5
  %26 = load ptr, ptr %8, align 8, !tbaa !5
  %27 = call noundef x86_fp80 @_Z3dotRKSt5arrayIeLm4EES2_(ptr noundef nonnull align 16 dereferenceable(64) %26, ptr noundef nonnull align 16 dereferenceable(64) %2)
  store x86_fp80 %27, ptr %11, align 16, !tbaa !11
  call void @_ZmlSt5arrayIeLm4EERKe(ptr dead_on_unwind writable sret(%"struct.std::array") align 16 %9, ptr noundef byval(%"struct.std::array") align 16 %10, ptr noundef nonnull align 16 dereferenceable(16) %11)
  %28 = call noundef nonnull align 16 dereferenceable(64) ptr @_ZmIRSt5arrayIeLm4EERKS0_(ptr noundef nonnull align 16 dereferenceable(64) %2, ptr noundef nonnull align 16 dereferenceable(64) %9)
  call void @llvm.lifetime.end.p0(i64 16, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 64, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %29

29:                                               ; preds = %23
  %30 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKSt5arrayIeLm4EESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #5
  br label %20

31:                                               ; preds = %22
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %12, ptr align 16 %2, i64 64, i1 false), !tbaa.struct !9
  call void @_Z4unitSt5arrayIeLm4EE(ptr dead_on_unwind writable sret(%"struct.std::array") align 16 %0, ptr noundef byval(%"struct.std::array") align 16 %12)
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorISt5arrayIeLm4EESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorISt5arrayIeLm4EESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPKSt5arrayIeLm4EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 16 dereferenceable(64) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKSt5arrayIeLm4EESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKSt5arrayIeLm4EESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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 = !{i64 0, i64 64, !10}
!10 = !{!7, !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long double", !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"

%"struct.std::array" = type { [4 x x86_fp80] }
%"class.__gnu_cxx::__normal_iterator" = type { 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

; Function Attrs: mustprogress 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) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z5isVecRKSt5arrayIeLm4EE(ptr noundef nonnull align 16 dereferenceable(64)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 16 dereferenceable(64) ptr @_ZmIRSt5arrayIeLm4EERKS0_(ptr noundef nonnull align 16 dereferenceable(64), ptr noundef nonnull align 16 dereferenceable(64)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZmlSt5arrayIeLm4EERKe(ptr dead_on_unwind noalias writable sret(%"struct.std::array") align 16, ptr noundef byval(%"struct.std::array") align 16, ptr noundef nonnull align 16 dereferenceable(16)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z4unitSt5arrayIeLm4EE(ptr dead_on_unwind noalias writable sret(%"struct.std::array") align 16, ptr noundef byval(%"struct.std::array") align 16) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef x86_fp80 @_Z3dotRKSt5arrayIeLm4EES2_(ptr noundef nonnull align 16 dereferenceable(64), ptr noundef nonnull align 16 dereferenceable(64)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z7flattenRKSt6vectorISt5arrayIeLm4EESaIS1_EES1_(ptr dead_on_unwind noalias writable sret(%"struct.std::array") align 16 %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull byval(%"struct.std::array") align 16 %2) local_unnamed_addr #3 {
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"struct.std::array", align 16
  %7 = alloca %"struct.std::array", align 16
  %8 = alloca x86_fp80, align 16
  call void @_Z5isVecRKSt5arrayIeLm4EE(ptr noundef nonnull align 16 dereferenceable(64) %2)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %9 = call ptr @_ZNKSt6vectorISt5arrayIeLm4EESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #5
  store ptr %9, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %10 = call ptr @_ZNKSt6vectorISt5arrayIeLm4EESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #5
  store ptr %10, ptr %5, align 8
  %11 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKSt5arrayIeLm4EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %11, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @_Z4unitSt5arrayIeLm4EE(ptr dead_on_unwind writable sret(%"struct.std::array") align 16 %0, ptr noundef nonnull byval(%"struct.std::array") align 16 %2)
  ret void

.lr.ph:                                           ; preds = %3, %.lr.ph
  %12 = call noundef nonnull align 16 dereferenceable(64) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKSt5arrayIeLm4EESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %6) #5
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(64) %7, ptr noundef nonnull align 16 dereferenceable(64) %12, i64 64, i1 false), !tbaa.struct !5
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %8) #5
  %13 = call noundef x86_fp80 @_Z3dotRKSt5arrayIeLm4EES2_(ptr noundef nonnull align 16 dereferenceable(64) %12, ptr noundef nonnull align 16 dereferenceable(64) %2)
  store x86_fp80 %13, ptr %8, align 16, !tbaa !9
  call void @_ZmlSt5arrayIeLm4EERKe(ptr dead_on_unwind nonnull writable sret(%"struct.std::array") align 16 %6, ptr noundef nonnull byval(%"struct.std::array") align 16 %7, ptr noundef nonnull align 16 dereferenceable(16) %8)
  %14 = call noundef nonnull align 16 dereferenceable(64) ptr @_ZmIRSt5arrayIeLm4EERKS0_(ptr noundef nonnull align 16 dereferenceable(64) %2, ptr noundef nonnull align 16 dereferenceable(64) %6)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %6) #5
  %15 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKSt5arrayIeLm4EESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %16 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKSt5arrayIeLm4EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %16, label %.lr.ph, label %._crit_edge
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorISt5arrayIeLm4EESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorISt5arrayIeLm4EESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPKSt5arrayIeLm4EESt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 16 dereferenceable(64) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKSt5arrayIeLm4EESt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKSt5arrayIeLm4EESt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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 = !{i64 0, i64 64, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long double", !7, i64 0}


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