; LLVM IR from facebook/redex :: service/copy-propagation (AliasedRegisters)

; 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.__gnu_cxx::__normal_iterator" = type { ptr }
%class.anon.29 = type { ptr }
%"class.aliased_registers::AliasedRegisters" = type { %"class.aliased_registers::AliasGraph", %"class.sparta::PatriciaTreeMap" }
%"class.aliased_registers::AliasGraph" = type { %"class.std::shared_ptr.4", %class.UnorderedMap, %class.UnorderedMap.12, i64 }
%"class.std::shared_ptr.4" = type { %"class.std::__shared_ptr.5" }
%"class.std::__shared_ptr.5" = type { ptr, %"class.std::__shared_count" }
%"class.std::__shared_count" = type { ptr }
%class.UnorderedMap = type { %"class.std::unordered_map" }
%"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 }
%class.UnorderedMap.12 = type { %"class.std::unordered_map.14" }
%"class.std::unordered_map.14" = type { %"class.std::_Hashtable.15" }
%"class.std::_Hashtable.15" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"class.sparta::PatriciaTreeMap" = type { %"class.sparta::pt_core::PatriciaTreeCore" }
%"class.sparta::pt_core::PatriciaTreeCore" = type { %"class.boost::intrusive_ptr" }
%"class.boost::intrusive_ptr" = type { ptr }

@.str.10 = external hidden unnamed_addr constant [94 x i8], align 1
@.str.19 = external hidden unnamed_addr constant [16 x i8], align 1
@__PRETTY_FUNCTION__._ZNK17aliased_registers16AliasedRegisters13find_new_rootEj = external hidden unnamed_addr constant [76 x i8], align 1
@.str.20 = external hidden unnamed_addr constant [3 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; 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 @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) 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: noreturn
declare void @_Z11assert_failPKcS0_jS0_10RedexErrorS0_z(ptr noundef, ptr noundef, i32 noundef, ptr noundef, i32 noundef, ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorIjSaIjEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNK17aliased_registers10AliasGraph21inv_adjacent_verticesEj(ptr noundef nonnull align 8 dereferenceable(136), i32 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK17aliased_registers16AliasedRegisters4dumpB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(144)) #3 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZNK17aliased_registers16AliasedRegisters13find_new_rootEj(ptr noundef nonnull align 8 dereferenceable(144) %0, i32 noundef %1) #3 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca i1, align 1
  %8 = alloca i1, align 1
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %class.anon.29, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %13 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %14 = getelementptr inbounds %"class.aliased_registers::AliasedRegisters", ptr %13, i32 0, i32 0
  %15 = load i32, ptr %4, align 4, !tbaa !9
  %16 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNK17aliased_registers10AliasGraph21inv_adjacent_verticesEj(ptr noundef nonnull align 8 dereferenceable(136) %14, i32 noundef %15)
  store ptr %16, ptr %5, align 8, !tbaa !5
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = call noundef zeroext i1 @_ZNKSt6vectorIjSaIjEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #5
  store i1 false, ptr %7, align 1
  store i1 false, ptr %8, align 1
  br i1 %18, label %20, label %19

19:                                               ; preds = %2
  br label %29

20:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #5
  store i1 true, ptr %7, align 1
  call void @_ZNK17aliased_registers16AliasedRegisters4dumpB5cxx11Ev(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %6, ptr noundef nonnull align 8 dereferenceable(144) %13)
  store i1 true, ptr %8, align 1
  %21 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  invoke void (ptr, ptr, i32, ptr, i32, ptr, ...) @_Z11assert_failPKcS0_jS0_10RedexErrorS0_z(ptr noundef @.str.19, ptr noundef @.str.10, i32 noundef 234, ptr noundef @__PRETTY_FUNCTION__._ZNK17aliased_registers16AliasedRegisters13find_new_rootEj, i32 noundef 2, ptr noundef @.str.20, ptr noundef %21) #6
          to label %22 unwind label %23

22:                                               ; preds = %20
  unreachable

23:                                               ; preds = %20
  %24 = landingpad { ptr, i32 }
          cleanup
  %25 = extractvalue { ptr, i32 } %24, 0
  store ptr %25, ptr %9, align 8
  %26 = extractvalue { ptr, i32 } %24, 1
  store i32 %26, ptr %10, align 4
  %27 = load i1, ptr %8, align 1
  br i1 %27, label %44, label %45

28:                                               ; No predecessors!
  br label %29

29:                                               ; preds = %28, %19
  %30 = load i1, ptr %8, align 1
  br i1 %30, label %31, label %32

31:                                               ; preds = %29
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  br label %32

32:                                               ; preds = %31, %29
  %33 = load i1, ptr %7, align 1
  br i1 %33, label %34, label %35

34:                                               ; preds = %32
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #5
  br label %35

35:                                               ; preds = %34, %32
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  %36 = load ptr, ptr %5, align 8, !tbaa !5
  %37 = getelementptr inbounds %class.anon.29, ptr %12, i32 0, i32 0
  store ptr %13, ptr %37, align 8, !tbaa !11
  %38 = getelementptr inbounds %class.anon.29, ptr %12, i32 0, i32 0
  %39 = load ptr, ptr %38, align 8
  %40 = call ptr @"_ZN5boost5range11min_elementISt6vectorIjSaIjEEZNK17aliased_registers16AliasedRegisters13find_new_rootEjE3$_0EENS_14range_iteratorIKT_vE4typeERSA_T0_"(ptr noundef nonnull align 8 dereferenceable(24) %36, ptr %39)
  %41 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %40, ptr %41, align 8
  %42 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKjSt6vectorIjSaIjEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #5
  %43 = load i32, ptr %42, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  ret i32 %43

44:                                               ; preds = %23
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #5
  br label %45

45:                                               ; preds = %44, %23
  %46 = load i1, ptr %7, align 1
  br i1 %46, label %47, label %48

47:                                               ; preds = %45
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #5
  br label %48

48:                                               ; preds = %47, %45
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  br label %49

49:                                               ; preds = %48
  %50 = load ptr, ptr %9, align 8
  %51 = load i32, ptr %10, align 4
  %52 = insertvalue { ptr, i32 } poison, ptr %50, 0
  %53 = insertvalue { ptr, i32 } %52, i32 %51, 1
  resume { ptr, i32 } %53
}

; Function Attrs: inlinehint mustprogress uwtable
declare hidden ptr @"_ZN5boost5range11min_elementISt6vectorIjSaIjEEZNK17aliased_registers16AliasedRegisters13find_new_rootEjE3$_0EENS_14range_iteratorIKT_vE4typeERSA_T0_"(ptr noundef nonnull align 8 dereferenceable(24), ptr) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKjSt6vectorIjSaIjEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

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 = { noreturn "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 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 }
attributes #6 = { noreturn }

!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, !6, i64 0}
!12 = !{!"_ZTSZNK17aliased_registers16AliasedRegisters13find_new_rootEjE3$_0", !6, 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"

%"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.__gnu_cxx::__normal_iterator" = type { ptr }

@.str.10 = external hidden unnamed_addr constant [94 x i8], align 1
@.str.19 = external hidden unnamed_addr constant [16 x i8], align 1
@__PRETTY_FUNCTION__._ZNK17aliased_registers16AliasedRegisters13find_new_rootEj = external hidden unnamed_addr constant [76 x i8], align 1
@.str.20 = external hidden unnamed_addr constant [3 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; 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 @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) 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: noreturn
declare void @_Z11assert_failPKcS0_jS0_10RedexErrorS0_z(ptr noundef, ptr noundef, i32 noundef, ptr noundef, i32 noundef, ptr noundef, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorIjSaIjEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNK17aliased_registers10AliasGraph21inv_adjacent_verticesEj(ptr noundef nonnull align 8 dereferenceable(136), i32 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNK17aliased_registers16AliasedRegisters4dumpB5cxx11Ev(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(144)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZNK17aliased_registers16AliasedRegisters13find_new_rootEj(ptr noundef nonnull align 8 dereferenceable(144) %0, i32 noundef %1) local_unnamed_addr #3 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZNK17aliased_registers10AliasGraph21inv_adjacent_verticesEj(ptr noundef nonnull align 8 dereferenceable(136) %0, i32 noundef %1)
  %6 = tail call noundef zeroext i1 @_ZNKSt6vectorIjSaIjEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  br i1 %6, label %7, label %12

7:                                                ; preds = %2
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  call void @_ZNK17aliased_registers16AliasedRegisters4dumpB5cxx11Ev(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %3, ptr noundef nonnull align 8 dereferenceable(144) %0)
  %8 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  invoke void (ptr, ptr, i32, ptr, i32, ptr, ...) @_Z11assert_failPKcS0_jS0_10RedexErrorS0_z(ptr noundef nonnull @.str.19, ptr noundef nonnull @.str.10, i32 noundef 234, ptr noundef nonnull @__PRETTY_FUNCTION__._ZNK17aliased_registers16AliasedRegisters13find_new_rootEj, i32 noundef 2, ptr noundef nonnull @.str.20, ptr noundef %8) #6
          to label %9 unwind label %10

9:                                                ; preds = %7
  unreachable

10:                                               ; preds = %7
  %11 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  resume { ptr, i32 } %11

12:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %13 = tail call ptr @"_ZN5boost5range11min_elementISt6vectorIjSaIjEEZNK17aliased_registers16AliasedRegisters13find_new_rootEjE3$_0EENS_14range_iteratorIKT_vE4typeERSA_T0_"(ptr noundef nonnull align 8 dereferenceable(24) %5, ptr nonnull %0)
  store ptr %13, ptr %4, align 8
  %14 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKjSt6vectorIjSaIjEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %15 = load i32, ptr %14, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  ret i32 %15
}

; Function Attrs: inlinehint mustprogress uwtable
declare hidden ptr @"_ZN5boost5range11min_elementISt6vectorIjSaIjEEZNK17aliased_registers16AliasedRegisters13find_new_rootEjE3$_0EENS_14range_iteratorIKT_vE4typeERSA_T0_"(ptr noundef nonnull align 8 dereferenceable(24), ptr) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKjSt6vectorIjSaIjEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

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 = { noreturn "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 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 }
attributes #6 = { noreturn }

!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"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass