; LLVM IR from gstonge/spreading_CR :: src/BinaryTree.ll (ZN3net10BinaryTree11update_zeroEv)

; 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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"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 }
%"class.std::locale" = type { ptr }
%"class.net::BinaryTree" = type { ptr, ptr, %"class.std::vector", %"class.std::unordered_map" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<net::BinaryTreeNode *, std::allocator<net::BinaryTreeNode *>>::_Vector_impl" }
%"struct.std::_Vector_base<net::BinaryTreeNode *, std::allocator<net::BinaryTreeNode *>>::_Vector_impl" = type { %"struct.std::_Vector_base<net::BinaryTreeNode *, std::allocator<net::BinaryTreeNode *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<net::BinaryTreeNode *, std::allocator<net::BinaryTreeNode *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::unordered_map" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"struct.net::BinaryTreeNode" = type { double, ptr, ptr, ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.1 = external hidden unnamed_addr constant [11 x i8], align 1

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN3net10BinaryTree7is_leafEv(ptr noundef nonnull align 8 dereferenceable(96)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN3net10BinaryTree7is_rootEv(ptr noundef nonnull align 8 dereferenceable(96)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3net10BinaryTree7move_upEv(ptr noundef nonnull align 8 dereferenceable(96)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3net10BinaryTree11update_zeroEv(ptr noundef nonnull align 8 dereferenceable(96) %0) #1 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = call noundef zeroext i1 @_ZN3net10BinaryTree7is_leafEv(ptr noundef nonnull align 8 dereferenceable(96) %3)
  br i1 %4, label %5, label %17

5:                                                ; preds = %1
  %6 = getelementptr inbounds %"class.net::BinaryTree", ptr %3, i32 0, i32 1
  %7 = load ptr, ptr %6, align 8, !tbaa !9
  %8 = getelementptr inbounds %"struct.net::BinaryTreeNode", ptr %7, i32 0, i32 0
  store double 0.000000e+00, ptr %8, align 8, !tbaa !21
  br label %9

9:                                                ; preds = %12, %5
  %10 = call noundef zeroext i1 @_ZN3net10BinaryTree7is_rootEv(ptr noundef nonnull align 8 dereferenceable(96) %3)
  %11 = xor i1 %10, true
  br i1 %11, label %12, label %16

12:                                               ; preds = %9
  call void @_ZN3net10BinaryTree7move_upEv(ptr noundef nonnull align 8 dereferenceable(96) %3)
  %13 = getelementptr inbounds %"class.net::BinaryTree", ptr %3, i32 0, i32 1
  %14 = load ptr, ptr %13, align 8, !tbaa !9
  %15 = getelementptr inbounds %"struct.net::BinaryTreeNode", ptr %14, i32 0, i32 0
  store double 0.000000e+00, ptr %15, align 8, !tbaa !21
  br label %9, !llvm.loop !24

16:                                               ; preds = %9
  br label %20

17:                                               ; preds = %1
  %18 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.1)
  %19 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %18, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %20

20:                                               ; preds = %17, %16
  ret void
}

attributes #0 = { inlinehint 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 #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" }

!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, !6, i64 8}
!10 = !{!"_ZTSN3net10BinaryTreeE", !6, i64 0, !6, i64 8, !11, i64 16, !15, i64 40}
!11 = !{!"_ZTSSt6vectorIPN3net14BinaryTreeNodeESaIS2_EE", !12, i64 0}
!12 = !{!"_ZTSSt12_Vector_baseIPN3net14BinaryTreeNodeESaIS2_EE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseIPN3net14BinaryTreeNodeESaIS2_EE12_Vector_implE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseIPN3net14BinaryTreeNodeESaIS2_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!15 = !{!"_ZTSSt13unordered_mapIPN3net14BinaryTreeNodeEjSt4hashIS2_ESt8equal_toIS2_ESaISt4pairIKS2_jEEE", !16, i64 0}
!16 = !{!"_ZTSSt10_HashtableIPN3net14BinaryTreeNodeESt4pairIKS2_jESaIS5_ENSt8__detail10_Select1stESt8equal_toIS2_ESt4hashIS2_ENS7_18_Mod_range_hashingENS7_20_Default_ranged_hashENS7_20_Prime_rehash_policyENS7_17_Hashtable_traitsILb0ELb0ELb1EEEE", !6, i64 0, !17, i64 8, !18, i64 16, !17, i64 24, !19, i64 32, !6, i64 48}
!17 = !{!"long", !7, i64 0}
!18 = !{!"_ZTSNSt8__detail15_Hash_node_baseE", !6, i64 0}
!19 = !{!"_ZTSNSt8__detail20_Prime_rehash_policyE", !20, i64 0, !17, i64 8}
!20 = !{!"float", !7, i64 0}
!21 = !{!22, !23, i64 0}
!22 = !{!"_ZTSN3net14BinaryTreeNodeE", !23, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!23 = !{!"double", !7, i64 0}
!24 = distinct !{!24, !25}
!25 = !{!"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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"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 }
%"class.std::locale" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.1 = external hidden unnamed_addr constant [11 x i8], align 1

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN3net10BinaryTree7is_leafEv(ptr noundef nonnull align 8 dereferenceable(96)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN3net10BinaryTree7is_rootEv(ptr noundef nonnull align 8 dereferenceable(96)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN3net10BinaryTree7move_upEv(ptr noundef nonnull align 8 dereferenceable(96)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3net10BinaryTree11update_zeroEv(ptr noundef nonnull align 8 dereferenceable(96) %0) local_unnamed_addr #1 align 2 {
  %2 = tail call noundef zeroext i1 @_ZN3net10BinaryTree7is_leafEv(ptr noundef nonnull align 8 dereferenceable(96) %0)
  br i1 %2, label %3, label %9

3:                                                ; preds = %1
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  store double 0.000000e+00, ptr %5, align 8, !tbaa !20
  %6 = tail call noundef zeroext i1 @_ZN3net10BinaryTree7is_rootEv(ptr noundef nonnull align 8 dereferenceable(96) %0)
  br i1 %6, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %3, %.lr.ph
  tail call void @_ZN3net10BinaryTree7move_upEv(ptr noundef nonnull align 8 dereferenceable(96) %0)
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  store double 0.000000e+00, ptr %7, align 8, !tbaa !20
  %8 = tail call noundef zeroext i1 @_ZN3net10BinaryTree7is_rootEv(ptr noundef nonnull align 8 dereferenceable(96) %0)
  br i1 %8, label %.loopexit, label %.lr.ph, !llvm.loop !23

9:                                                ; preds = %1
  %10 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.1)
  %11 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %.loopexit

.loopexit:                                        ; preds = %.lr.ph, %3, %9
  ret void
}

attributes #0 = { inlinehint 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 #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" }

!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, !7, i64 8}
!6 = !{!"_ZTSN3net10BinaryTreeE", !7, i64 0, !7, i64 8, !10, i64 16, !14, i64 40}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSSt6vectorIPN3net14BinaryTreeNodeESaIS2_EE", !11, i64 0}
!11 = !{!"_ZTSSt12_Vector_baseIPN3net14BinaryTreeNodeESaIS2_EE", !12, i64 0}
!12 = !{!"_ZTSNSt12_Vector_baseIPN3net14BinaryTreeNodeESaIS2_EE12_Vector_implE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseIPN3net14BinaryTreeNodeESaIS2_EE17_Vector_impl_dataE", !7, i64 0, !7, i64 8, !7, i64 16}
!14 = !{!"_ZTSSt13unordered_mapIPN3net14BinaryTreeNodeEjSt4hashIS2_ESt8equal_toIS2_ESaISt4pairIKS2_jEEE", !15, i64 0}
!15 = !{!"_ZTSSt10_HashtableIPN3net14BinaryTreeNodeESt4pairIKS2_jESaIS5_ENSt8__detail10_Select1stESt8equal_toIS2_ESt4hashIS2_ENS7_18_Mod_range_hashingENS7_20_Default_ranged_hashENS7_20_Prime_rehash_policyENS7_17_Hashtable_traitsILb0ELb0ELb1EEEE", !7, i64 0, !16, i64 8, !17, i64 16, !16, i64 24, !18, i64 32, !7, i64 48}
!16 = !{!"long", !8, i64 0}
!17 = !{!"_ZTSNSt8__detail15_Hash_node_baseE", !7, i64 0}
!18 = !{!"_ZTSNSt8__detail20_Prime_rehash_policyE", !19, i64 0, !16, i64 8}
!19 = !{!"float", !8, i64 0}
!20 = !{!21, !22, i64 0}
!21 = !{!"_ZTSN3net14BinaryTreeNodeE", !22, i64 0, !7, i64 8, !7, i64 16, !7, i64 24}
!22 = !{!"double", !8, i64 0}
!23 = distinct !{!23, !24}
!24 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass