; LLVM IR from facebook/redex :: libresource (Serialize)

; 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"

%"struct.android::key_value_pair_t" = type { ptr, i64 }

; 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 i64 @_ZN4arsc16CanonicalEntries4hashERKN7android16key_value_pair_tIPhmEE(ptr noundef nonnull align 8 dereferenceable(56) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %8 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  store i64 0, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK7android16key_value_pair_tIPhmE6getKeyEv(ptr noundef nonnull align 8 dereferenceable(16) %9)
  %11 = load ptr, ptr %10, align 8, !tbaa !5
  store ptr %11, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %12

12:                                               ; preds = %21, %2
  %13 = load i64, ptr %7, align 8, !tbaa !9
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = getelementptr inbounds %"struct.android::key_value_pair_t", ptr %14, i32 0, i32 1
  %16 = load i64, ptr %15, align 8, !tbaa !11
  %17 = icmp ult i64 %13, %16
  br i1 %17, label %19, label %18

18:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  br label %26

19:                                               ; preds = %12
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  call void @_ZN5boost12hash_combineIhEEvRmRKT_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 1 dereferenceable(1) %20)
  br label %21

21:                                               ; preds = %19
  %22 = load i64, ptr %7, align 8, !tbaa !9
  %23 = add i64 %22, 1
  store i64 %23, ptr %7, align 8, !tbaa !9
  %24 = load ptr, ptr %6, align 8, !tbaa !5
  %25 = getelementptr inbounds i8, ptr %24, i32 1
  store ptr %25, ptr %6, align 8, !tbaa !5
  br label %12, !llvm.loop !13

26:                                               ; preds = %18
  %27 = load i64, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  ret i64 %27
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK7android16key_value_pair_tIPhmE6getKeyEv(ptr noundef nonnull align 8 dereferenceable(16)) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN5boost12hash_combineIhEEvRmRKT_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 1 dereferenceable(1)) #3

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 = { 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 = { 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 #4 = { 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, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !10, i64 8}
!12 = !{!"_ZTSN7android16key_value_pair_tIPhmEE", !6, i64 0, !10, i64 8}
!13 = distinct !{!13, !14}
!14 = !{!"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"

; 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 uwtable
define dso_local noundef i64 @_ZN4arsc16CanonicalEntries4hashERKN7android16key_value_pair_tIPhmEE(ptr nocapture noundef nonnull readnone align 8 dereferenceable(56) %0, ptr noundef nonnull align 8 dereferenceable(16) %1) local_unnamed_addr #1 align 2 {
  %3 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  store i64 0, ptr %3, align 8, !tbaa !5
  %4 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNK7android16key_value_pair_tIPhmE6getKeyEv(ptr noundef nonnull align 8 dereferenceable(16) %1)
  %5 = getelementptr inbounds i8, ptr %1, i64 8
  %6 = load i64, ptr %5, align 8, !tbaa !9
  %.not = icmp eq i64 %6, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %2
  %7 = load ptr, ptr %4, align 8, !tbaa !12
  br label %.lr.ph

._crit_edge.loopexit:                             ; preds = %.lr.ph
  %.pre = load i64, ptr %3, align 8, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %2
  %8 = phi i64 [ %.pre, %._crit_edge.loopexit ], [ 0, %2 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  ret i64 %8

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %.08 = phi i64 [ %9, %.lr.ph ], [ 0, %.lr.ph.preheader ]
  %.067 = phi ptr [ %10, %.lr.ph ], [ %7, %.lr.ph.preheader ]
  call void @_ZN5boost12hash_combineIhEEvRmRKT_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 1 dereferenceable(1) %.067)
  %9 = add nuw i64 %.08, 1
  %10 = getelementptr inbounds i8, ptr %.067, i64 1
  %11 = load i64, ptr %5, align 8, !tbaa !9
  %12 = icmp ult i64 %9, %11
  br i1 %12, label %.lr.ph, label %._crit_edge.loopexit, !llvm.loop !13
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNK7android16key_value_pair_tIPhmE6getKeyEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN5boost12hash_combineIhEEvRmRKT_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #3

attributes #0 = { mustprogress 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 = { 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 = { 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 #4 = { 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 8}
!10 = !{!"_ZTSN7android16key_value_pair_tIPhmEE", !11, i64 0, !6, i64 8}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!11, !11, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopRotatePass,LoopSimplifyPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass