; LLVM IR from facebook/redex :: libresource/Serialize.ll (ZN4arsc17is_default_configEPN7android15ResTable_configE)

; 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::ResTable_config" = type { i32, %union.anon, %union.anon.0, %union.anon.2, %union.anon.4, %union.anon.6, %union.anon.8, %union.anon.10, %union.anon.12, [4 x i8], [8 x i8], %union.anon.14, i8, [8 x i8] }
%union.anon = type { i32 }
%union.anon.0 = type { i32 }
%union.anon.2 = type { i32 }
%union.anon.4 = type { i32 }
%union.anon.6 = type { i32 }
%union.anon.8 = type { i32 }
%union.anon.10 = type { i32 }
%union.anon.12 = type { i32 }
%union.anon.14 = type { i32 }

; 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
declare dso_local noundef zeroext i1 @_ZN4arsc22are_configs_equivalentEPN7android15ResTable_configES2_(ptr noundef, ptr noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN4arsc17is_default_configEPN7android15ResTable_configE(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca %"struct.android::ResTable_config", align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 64, ptr %3) #3
  call void @llvm.memset.p0.i64(ptr align 4 %3, i8 0, i64 64, i1 false)
  %4 = getelementptr inbounds %"struct.android::ResTable_config", ptr %3, i32 0, i32 0
  store i32 64, ptr %4, align 4, !tbaa !9
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = call noundef zeroext i1 @_ZN4arsc22are_configs_equivalentEPN7android15ResTable_configES2_(ptr noundef %3, ptr noundef %5)
  call void @llvm.lifetime.end.p0(i64 64, ptr %3) #3
  ret i1 %6
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { 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, !11, i64 0}
!10 = !{!"_ZTSN7android15ResTable_configE", !11, i64 0, !7, i64 4, !7, i64 8, !7, i64 12, !7, i64 16, !7, i64 20, !7, i64 24, !7, i64 28, !7, i64 32, !7, i64 36, !7, i64 40, !7, i64 48, !12, i64 52, !7, i64 53}
!11 = !{!"int", !7, i64 0}
!12 = !{!"bool", !7, 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"

%"struct.android::ResTable_config" = type { i32, %union.anon, %union.anon.0, %union.anon.2, %union.anon.4, %union.anon.6, %union.anon.8, %union.anon.10, %union.anon.12, [4 x i8], [8 x i8], %union.anon.14, i8, [8 x i8] }
%union.anon = type { i32 }
%union.anon.0 = type { i32 }
%union.anon.2 = type { i32 }
%union.anon.4 = type { i32 }
%union.anon.6 = type { i32 }
%union.anon.8 = type { i32 }
%union.anon.10 = type { i32 }
%union.anon.12 = type { i32 }
%union.anon.14 = type { i32 }

; 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
declare dso_local noundef zeroext i1 @_ZN4arsc22are_configs_equivalentEPN7android15ResTable_configES2_(ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN4arsc17is_default_configEPN7android15ResTable_configE(ptr noundef %0) local_unnamed_addr #1 {
  %2 = alloca %"struct.android::ResTable_config", align 4
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %2) #3
  %3 = getelementptr inbounds i8, ptr %2, i64 4
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 4 dereferenceable(64) %3, i8 0, i64 60, i1 false)
  store i32 64, ptr %2, align 4, !tbaa !5
  %4 = call noundef zeroext i1 @_ZN4arsc22are_configs_equivalentEPN7android15ResTable_configES2_(ptr noundef nonnull %2, ptr noundef %0)
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %2) #3
  ret i1 %4
}

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { 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 = !{!"_ZTSN7android15ResTable_configE", !7, i64 0, !8, i64 4, !8, i64 8, !8, i64 12, !8, i64 16, !8, i64 20, !8, i64 24, !8, i64 28, !8, i64 32, !8, i64 36, !8, i64 40, !8, i64 48, !10, i64 52, !8, i64 53}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"bool", !8, i64 0}


; Effective O3 passes: DSEPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass