; LLVM IR from facebook/redex :: tools/tool/ToolRegistry.ll (ZNK12ToolRegistry8get_toolEPKc)

; 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.__gnu_cxx::__normal_iterator" = type { ptr }
%struct.ToolRegistry = type { %"class.std::vector" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<Tool *, std::allocator<Tool *>>::_Vector_impl" }
%"struct.std::_Vector_base<Tool *, std::allocator<Tool *>>::_Vector_impl" = type { %"struct.std::_Vector_base<Tool *, std::allocator<Tool *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Tool *, std::allocator<Tool *>>::_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

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZNK12ToolRegistry8get_toolEPKc(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %11 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %12 = getelementptr inbounds %struct.ToolRegistry, ptr %11, i32 0, i32 0
  store ptr %12, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = call ptr @_ZNKSt6vectorIP4ToolSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  %15 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %7, i32 0, i32 0
  store ptr %14, ptr %15, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = call ptr @_ZNKSt6vectorIP4ToolSaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %16) #5
  %18 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %17, ptr %18, align 8
  br label %19

19:                                               ; preds = %37, %2
  %20 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKP4ToolSt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  br i1 %20, label %22, label %21

21:                                               ; preds = %19
  store i32 2, ptr %9, align 4
  br label %39

22:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKP4ToolSt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  %24 = load ptr, ptr %23, align 8, !tbaa !5
  store ptr %24, ptr %10, align 8, !tbaa !5
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = load ptr, ptr %10, align 8, !tbaa !5
  %27 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNK4Tool4nameB5cxx11Ev(ptr noundef nonnull align 8 dereferenceable(73) %26)
  %28 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %27) #5
  %29 = call i32 @strcmp(ptr noundef %25, ptr noundef %28) #6
  %30 = icmp ne i32 %29, 0
  br i1 %30, label %33, label %31

31:                                               ; preds = %22
  %32 = load ptr, ptr %10, align 8, !tbaa !5
  store ptr %32, ptr %3, align 8
  store i32 1, ptr %9, align 4
  br label %34

33:                                               ; preds = %22
  store i32 0, ptr %9, align 4
  br label %34

34:                                               ; preds = %33, %31
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  %35 = load i32, ptr %9, align 4
  switch i32 %35, label %39 [
    i32 0, label %36
  ]

36:                                               ; preds = %34
  br label %37

37:                                               ; preds = %36
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKP4ToolSt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %7) #5
  br label %19

39:                                               ; preds = %34, %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  %40 = load i32, ptr %9, align 4
  switch i32 %40, label %44 [
    i32 2, label %41
    i32 1, label %42
  ]

41:                                               ; preds = %39
  store ptr null, ptr %3, align 8
  br label %42

42:                                               ; preds = %41, %39
  %43 = load ptr, ptr %3, align 8
  ret ptr %43

44:                                               ; preds = %39
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIP4ToolSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIP4ToolSaIS1_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_cxxneIPKP4ToolSt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKP4ToolSt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: nounwind willreturn memory(read)
declare i32 @strcmp(ptr noundef, ptr noundef) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNK4Tool4nameB5cxx11Ev(ptr noundef nonnull align 8 dereferenceable(73)) #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKP4ToolSt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #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 = { 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 #4 = { nounwind willreturn memory(read) "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 = { nounwind willreturn memory(read) }

!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"}


; 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.__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 nounwind uwtable
define dso_local noundef ptr @_ZNK12ToolRegistry8get_toolEPKc(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr nocapture noundef readonly %1) local_unnamed_addr #1 align 2 {
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %5 = tail call ptr @_ZNKSt6vectorIP4ToolSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  store ptr %5, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %6 = tail call ptr @_ZNKSt6vectorIP4ToolSaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  store ptr %6, ptr %4, align 8
  %7 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKP4ToolSt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %7, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %2, %13
  %8 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKP4ToolSt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %9 = load ptr, ptr %8, align 8, !tbaa !5
  %10 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNK4Tool4nameB5cxx11Ev(ptr noundef nonnull align 8 dereferenceable(73) %9)
  %11 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %10) #4
  %12 = call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %1, ptr noundef nonnull dereferenceable(1) %11) #5
  %.not.not = icmp eq i32 %12, 0
  br i1 %.not.not, label %._crit_edge, label %13

13:                                               ; preds = %.lr.ph
  %14 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKP4ToolSt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #4
  %15 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKP4ToolSt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #4
  br i1 %15, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %13, %2
  %spec.select = phi ptr [ null, %2 ], [ null, %13 ], [ %9, %.lr.ph ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  ret ptr %spec.select
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIP4ToolSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIP4ToolSaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPKP4ToolSt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKP4ToolSt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i32 @strcmp(ptr nocapture noundef, ptr nocapture noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNK4Tool4nameB5cxx11Ev(ptr noundef nonnull align 8 dereferenceable(73)) local_unnamed_addr #1 align 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 nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKP4ToolSt6vectorIS2_SaIS2_EEEppEv(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 = { 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 #3 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 = { nounwind }
attributes #5 = { nounwind willreturn memory(read) }

!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"}


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