; LLVM IR from facebook/redex :: libredex/Resolver.ll (Z13find_top_implPK8DexClassPK9DexStringPK8DexProto)

; 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 }

; 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

declare noundef ptr @_Z10type_classPK7DexType(ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK8DexClass15get_super_classEv(ptr noundef nonnull align 8 dereferenceable(176)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNK8DexClass12get_vmethodsEv(ptr noundef nonnull align 8 dereferenceable(176)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIP9DexMethodSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIP9DexMethodSaIS1_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_cxxneIPKP9DexMethodSt6vectorIS2_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_iteratorIPKP9DexMethodSt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef zeroext i1 @_ZN12_GLOBAL__N_15matchEPK9DexStringPK8DexProtoPK9DexMethod(ptr noundef, ptr noundef, ptr noundef) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKP9DexMethodSt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_Z13find_top_implPK8DexClassPK9DexStringPK8DexProto(ptr noundef %0, ptr noundef %1, ptr noundef %2) #4 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  store ptr null, ptr %7, align 8, !tbaa !5
  br label %12

12:                                               ; preds = %40, %3
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = icmp ne ptr %13, null
  br i1 %14, label %15, label %44

15:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNK8DexClass12get_vmethodsEv(ptr noundef nonnull align 8 dereferenceable(176) %16)
  store ptr %17, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  %18 = load ptr, ptr %8, align 8, !tbaa !5
  %19 = call ptr @_ZNKSt6vectorIP9DexMethodSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %18) #5
  %20 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %19, ptr %20, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %21 = load ptr, ptr %8, align 8, !tbaa !5
  %22 = call ptr @_ZNKSt6vectorIP9DexMethodSaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %21) #5
  %23 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %10, i32 0, i32 0
  store ptr %22, ptr %23, align 8
  br label %24

24:                                               ; preds = %38, %15
  %25 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKP9DexMethodSt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %10) #5
  br i1 %25, label %27, label %26

26:                                               ; preds = %24
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %40

27:                                               ; preds = %24
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKP9DexMethodSt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #5
  store ptr %28, ptr %11, align 8, !tbaa !5
  %29 = load ptr, ptr %5, align 8, !tbaa !5
  %30 = load ptr, ptr %6, align 8, !tbaa !5
  %31 = load ptr, ptr %11, align 8, !tbaa !5
  %32 = load ptr, ptr %31, align 8, !tbaa !5
  %33 = call noundef zeroext i1 @_ZN12_GLOBAL__N_15matchEPK9DexStringPK8DexProtoPK9DexMethod(ptr noundef %29, ptr noundef %30, ptr noundef %32)
  br i1 %33, label %34, label %37

34:                                               ; preds = %27
  %35 = load ptr, ptr %11, align 8, !tbaa !5
  %36 = load ptr, ptr %35, align 8, !tbaa !5
  store ptr %36, ptr %7, align 8, !tbaa !5
  br label %37

37:                                               ; preds = %34, %27
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  br label %38

38:                                               ; preds = %37
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKP9DexMethodSt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %9) #5
  br label %24

40:                                               ; preds = %26
  %41 = load ptr, ptr %4, align 8, !tbaa !5
  %42 = call noundef ptr @_ZNK8DexClass15get_super_classEv(ptr noundef nonnull align 8 dereferenceable(176) %41)
  %43 = call noundef ptr @_Z10type_classPK7DexType(ptr noundef %42)
  store ptr %43, ptr %4, align 8, !tbaa !5
  br label %12, !llvm.loop !9

44:                                               ; preds = %12
  %45 = load ptr, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  ret ptr %45
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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 }

!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 = distinct !{!9, !10}
!10 = !{!"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.__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

declare noundef ptr @_Z10type_classPK7DexType(ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK8DexClass15get_super_classEv(ptr noundef nonnull align 8 dereferenceable(176)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNK8DexClass12get_vmethodsEv(ptr noundef nonnull align 8 dereferenceable(176)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIP9DexMethodSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt6vectorIP9DexMethodSaIS1_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_cxxneIPKP9DexMethodSt6vectorIS2_SaIS2_EEEEbRKNS_17__normal_iteratorIT_T0_EESD_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKP9DexMethodSt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare hidden noundef zeroext i1 @_ZN12_GLOBAL__N_15matchEPK9DexStringPK8DexProtoPK9DexMethod(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKP9DexMethodSt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_Z13find_top_implPK8DexClassPK9DexStringPK8DexProto(ptr noundef %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #4 {
  %4 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %.not12 = icmp eq ptr %0, null
  br i1 %.not12, label %._crit_edge17, label %.lr.ph16

.lr.ph16:                                         ; preds = %3, %._crit_edge
  %.014 = phi ptr [ %11, %._crit_edge ], [ %0, %3 ]
  %.01013 = phi ptr [ %.1.lcssa, %._crit_edge ], [ null, %3 ]
  %6 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNK8DexClass12get_vmethodsEv(ptr noundef nonnull align 8 dereferenceable(176) %.014)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %7 = call ptr @_ZNKSt6vectorIP9DexMethodSaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  store ptr %7, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %8 = call ptr @_ZNKSt6vectorIP9DexMethodSaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  store ptr %8, ptr %5, align 8
  %9 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKP9DexMethodSt6vectorIS2_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 %9, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %.lr.ph16
  %.1.lcssa = phi ptr [ %.01013, %.lr.ph16 ], [ %spec.select, %.lr.ph ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  %10 = call noundef ptr @_ZNK8DexClass15get_super_classEv(ptr noundef nonnull align 8 dereferenceable(176) %.014)
  %11 = call noundef ptr @_Z10type_classPK7DexType(ptr noundef %10)
  %.not = icmp eq ptr %11, null
  br i1 %.not, label %._crit_edge17, label %.lr.ph16, !llvm.loop !5

.lr.ph:                                           ; preds = %.lr.ph16, %.lr.ph
  %.111 = phi ptr [ %spec.select, %.lr.ph ], [ %.01013, %.lr.ph16 ]
  %12 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPKP9DexMethodSt6vectorIS2_SaIS2_EEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %13 = load ptr, ptr %12, align 8, !tbaa !7
  %14 = call noundef zeroext i1 @_ZN12_GLOBAL__N_15matchEPK9DexStringPK8DexProtoPK9DexMethod(ptr noundef %1, ptr noundef %2, ptr noundef %13)
  %15 = load ptr, ptr %12, align 8
  %spec.select = select i1 %14, ptr %15, ptr %.111
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPKP9DexMethodSt6vectorIS2_SaIS2_EEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %17 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPKP9DexMethodSt6vectorIS2_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 %17, label %.lr.ph, label %._crit_edge

._crit_edge17:                                    ; preds = %._crit_edge, %3
  %.010.lcssa = phi ptr [ null, %3 ], [ %.1.lcssa, %._crit_edge ]
  ret ptr %.010.lcssa
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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 }

!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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = !{!8, !8, i64 0}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}


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