; LLVM IR from hit9/bitproto :: example/CPP (example_bp)

; 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.BpMessageFieldDescriptor = type { ptr, %struct.BpType, ptr }
%struct.BpType = type { i32, i32, i32, ptr, ptr, i32 }
%struct.LandingGear = type { i8 }

@.str.1 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

; Function Attrs: nounwind uwtable
define dso_local void @BpFieldDescriptorsInitLandingGear(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %struct.BpMessageFieldDescriptor, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.BpMessageFieldDescriptor, ptr %6, i64 0
  %8 = getelementptr inbounds %struct.BpMessageFieldDescriptor, ptr %5, i32 0, i32 0
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.LandingGear, ptr %9, i32 0, i32 0
  store ptr %10, ptr %8, align 8, !tbaa !9
  %11 = getelementptr inbounds %struct.BpMessageFieldDescriptor, ptr %5, i32 0, i32 1
  %12 = getelementptr inbounds %struct.BpType, ptr %11, i32 0, i32 0
  store i32 5, ptr %12, align 8, !tbaa !13
  %13 = getelementptr inbounds %struct.BpType, ptr %11, i32 0, i32 1
  store i32 2, ptr %13, align 4, !tbaa !14
  %14 = getelementptr inbounds %struct.BpType, ptr %11, i32 0, i32 2
  store i32 1, ptr %14, align 8, !tbaa !15
  %15 = getelementptr inbounds %struct.BpType, ptr %11, i32 0, i32 3
  store ptr null, ptr %15, align 8, !tbaa !16
  %16 = getelementptr inbounds %struct.BpType, ptr %11, i32 0, i32 4
  store ptr null, ptr %16, align 8, !tbaa !17
  %17 = getelementptr inbounds %struct.BpType, ptr %11, i32 0, i32 5
  store i32 0, ptr %17, align 8, !tbaa !18
  %18 = getelementptr inbounds %struct.BpMessageFieldDescriptor, ptr %5, i32 0, i32 2
  store ptr @.str.1, ptr %18, align 8, !tbaa !19
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %7, ptr align 8 %5, i64 56, i1 false), !tbaa.struct !20
  ret void
}

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

!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/C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"BpMessageFieldDescriptor", !6, i64 0, !11, i64 8, !6, i64 48}
!11 = !{!"BpType", !12, i64 0, !12, i64 4, !12, i64 8, !6, i64 16, !6, i64 24, !12, i64 32}
!12 = !{!"int", !7, i64 0}
!13 = !{!11, !12, i64 0}
!14 = !{!11, !12, i64 4}
!15 = !{!11, !12, i64 8}
!16 = !{!11, !6, i64 16}
!17 = !{!11, !6, i64 24}
!18 = !{!11, !12, i64 32}
!19 = !{!10, !6, i64 48}
!20 = !{i64 0, i64 8, !5, i64 8, i64 4, !21, i64 12, i64 4, !21, i64 16, i64 4, !21, i64 24, i64 8, !5, i64 32, i64 8, !5, i64 40, i64 4, !21, i64 48, i64 8, !5}
!21 = !{!12, !12, 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"

@.str.1 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local void @BpFieldDescriptorsInitLandingGear(ptr noundef %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #0 {
  store ptr %0, ptr %1, align 8, !tbaa !5
  %.sroa.2.0..sroa_idx = getelementptr inbounds i8, ptr %1, i64 8
  store i32 5, ptr %.sroa.2.0..sroa_idx, align 8, !tbaa !9
  %.sroa.3.0..sroa_idx = getelementptr inbounds i8, ptr %1, i64 12
  store i32 2, ptr %.sroa.3.0..sroa_idx, align 4, !tbaa !9
  %.sroa.4.0..sroa_idx = getelementptr inbounds i8, ptr %1, i64 16
  store i32 1, ptr %.sroa.4.0..sroa_idx, align 8, !tbaa !9
  %.sroa.51.0..sroa_idx = getelementptr inbounds i8, ptr %1, i64 24
  %.sroa.82.0..sroa_idx = getelementptr inbounds i8, ptr %1, i64 48
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(20) %.sroa.51.0..sroa_idx, i8 0, i64 20, i1 false)
  store ptr @.str.1, ptr %.sroa.82.0..sroa_idx, align 8, !tbaa !5
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

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

!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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass