; LLVM IR from facebook/redex :: libredex/DexCallSite.ll (ZNK11DexCallSite13gather_fieldsERSt6vectorIP11DexFieldRefSaIS2_EE)

; 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 }
%class.DexCallSite = type { ptr, ptr, ptr, %"class.std::vector.3" }
%"class.std::vector.3" = type { %"struct.std::_Vector_base.4" }
%"struct.std::_Vector_base.4" = type { %"struct.std::_Vector_base<std::unique_ptr<DexEncodedValue>, std::allocator<std::unique_ptr<DexEncodedValue>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::unique_ptr<DexEncodedValue>, std::allocator<std::unique_ptr<DexEncodedValue>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::unique_ptr<DexEncodedValue>, std::allocator<std::unique_ptr<DexEncodedValue>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::unique_ptr<DexEncodedValue>, std::allocator<std::unique_ptr<DexEncodedValue>>>::_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 nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorISt10unique_ptrI15DexEncodedValueSt14default_deleteIS1_EESaIS4_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorISt10unique_ptrI15DexEncodedValueSt14default_deleteIS1_EESaIS4_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPKSt10unique_ptrI15DexEncodedValueSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKSt10unique_ptrI15DexEncodedValueSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrI15DexEncodedValueSt14default_deleteIS0_EEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKSt10unique_ptrI15DexEncodedValueSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK11DexCallSite13gather_fieldsERSt6vectorIP11DexFieldRefSaIS2_EE(ptr noundef nonnull align 8 dereferenceable(48) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #3 align 2 {
  %3 = alloca ptr, align 8
  %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
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %9 = load ptr, ptr %3, align 8
  %10 = getelementptr inbounds %class.DexCallSite, ptr %9, i32 0, i32 0
  %11 = load ptr, ptr %10, align 8, !tbaa !9
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  call void @_ZNK15DexMethodHandle13gather_fieldsERSt6vectorIP11DexFieldRefSaIS2_EE(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 8 dereferenceable(24) %12)
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %13 = getelementptr inbounds %class.DexCallSite, ptr %9, i32 0, i32 3
  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 @_ZNKSt6vectorISt10unique_ptrI15DexEncodedValueSt14default_deleteIS1_EESaIS4_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 @_ZNKSt6vectorISt10unique_ptrI15DexEncodedValueSt14default_deleteIS1_EESaIS4_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 = %31, %2
  %21 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKSt10unique_ptrI15DexEncodedValueSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(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 %33

23:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKSt10unique_ptrI15DexEncodedValueSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #5
  store ptr %24, ptr %8, align 8, !tbaa !5
  %25 = load ptr, ptr %8, align 8, !tbaa !5
  %26 = call noundef ptr @_ZNKSt10unique_ptrI15DexEncodedValueSt14default_deleteIS0_EEptEv(ptr noundef nonnull align 8 dereferenceable(8) %25) #5
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = load ptr, ptr %26, align 8, !tbaa !15
  %29 = getelementptr inbounds ptr, ptr %28, i64 4
  %30 = load ptr, ptr %29, align 8
  call void %30(ptr noundef nonnull align 8 dereferenceable(8) %26, ptr noundef nonnull align 8 dereferenceable(24) %27)
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %31

31:                                               ; preds = %23
  %32 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKSt10unique_ptrI15DexEncodedValueSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %6) #5
  br label %20

33:                                               ; preds = %22
  ret void
}

declare void @_ZNK15DexMethodHandle13gather_fieldsERSt6vectorIP11DexFieldRefSaIS2_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(24)) #4

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 = { 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 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 = { "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 = !{!10, !6, i64 0}
!10 = !{!"_ZTS11DexCallSite", !6, i64 0, !6, i64 8, !6, i64 16, !11, i64 24}
!11 = !{!"_ZTSSt6vectorISt10unique_ptrI15DexEncodedValueSt14default_deleteIS1_EESaIS4_EE", !12, i64 0}
!12 = !{!"_ZTSSt12_Vector_baseISt10unique_ptrI15DexEncodedValueSt14default_deleteIS1_EESaIS4_EE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseISt10unique_ptrI15DexEncodedValueSt14default_deleteIS1_EESaIS4_EE12_Vector_implE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseISt10unique_ptrI15DexEncodedValueSt14default_deleteIS1_EESaIS4_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!15 = !{!16, !16, i64 0}
!16 = !{!"vtable pointer", !8, 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.__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
declare dso_local ptr @_ZNKSt6vectorISt10unique_ptrI15DexEncodedValueSt14default_deleteIS1_EESaIS4_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorISt10unique_ptrI15DexEncodedValueSt14default_deleteIS1_EESaIS4_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_cxxneIPKSt10unique_ptrI15DexEncodedValueSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(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_iteratorIPKSt10unique_ptrI15DexEncodedValueSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt10unique_ptrI15DexEncodedValueSt14default_deleteIS0_EEptEv(ptr noundef nonnull align 8 dereferenceable(8)) 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_iteratorIPKSt10unique_ptrI15DexEncodedValueSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK11DexCallSite13gather_fieldsERSt6vectorIP11DexFieldRefSaIS2_EE(ptr noundef nonnull align 8 dereferenceable(48) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #3 align 2 {
  %3 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = load ptr, ptr %0, align 8, !tbaa !5
  tail call void @_ZNK15DexMethodHandle13gather_fieldsERSt6vectorIP11DexFieldRefSaIS2_EE(ptr noundef nonnull align 8 dereferenceable(16) %5, ptr noundef nonnull align 8 dereferenceable(24) %1)
  %6 = getelementptr inbounds i8, ptr %0, i64 24
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %7 = tail call ptr @_ZNKSt6vectorISt10unique_ptrI15DexEncodedValueSt14default_deleteIS1_EESaIS4_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  store ptr %7, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %8 = tail call ptr @_ZNKSt6vectorISt10unique_ptrI15DexEncodedValueSt14default_deleteIS1_EESaIS4_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  store ptr %8, ptr %4, align 8
  %9 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKSt10unique_ptrI15DexEncodedValueSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  br i1 %9, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  ret void

.lr.ph:                                           ; preds = %2, %.lr.ph
  %10 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKSt10unique_ptrI15DexEncodedValueSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  %11 = call noundef ptr @_ZNKSt10unique_ptrI15DexEncodedValueSt14default_deleteIS0_EEptEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #5
  %12 = load ptr, ptr %11, align 8, !tbaa !14
  %13 = getelementptr inbounds i8, ptr %12, i64 32
  %14 = load ptr, ptr %13, align 8
  call void %14(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(24) %1)
  %15 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKSt10unique_ptrI15DexEncodedValueSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #5
  %16 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKSt10unique_ptrI15DexEncodedValueSt14default_deleteIS2_EESt6vectorIS5_SaIS5_EEEEbRKNS_17__normal_iteratorIT_T0_EESG_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  br i1 %16, label %.lr.ph, label %._crit_edge
}

declare void @_ZNK15DexMethodHandle13gather_fieldsERSt6vectorIP11DexFieldRefSaIS2_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #4

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 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 = { "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, !7, i64 0}
!6 = !{!"_ZTS11DexCallSite", !7, i64 0, !7, i64 8, !7, i64 16, !10, i64 24}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSSt6vectorISt10unique_ptrI15DexEncodedValueSt14default_deleteIS1_EESaIS4_EE", !11, i64 0}
!11 = !{!"_ZTSSt12_Vector_baseISt10unique_ptrI15DexEncodedValueSt14default_deleteIS1_EESaIS4_EE", !12, i64 0}
!12 = !{!"_ZTSNSt12_Vector_baseISt10unique_ptrI15DexEncodedValueSt14default_deleteIS1_EESaIS4_EE12_Vector_implE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseISt10unique_ptrI15DexEncodedValueSt14default_deleteIS1_EESaIS4_EE17_Vector_impl_dataE", !7, i64 0, !7, i64 8, !7, i64 16}
!14 = !{!15, !15, i64 0}
!15 = !{!"vtable pointer", !9, i64 0}


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