; LLVM IR from mitdbg/deneva :: concurrency_control/row_mvcc.ll (ZN8Row_mvcc4initEP5row_t)

; 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.mem_alloc = type { i8 }
%class.Row_mvcc = type { ptr, i8, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i64, i64, i64, i64 }

@mem_allocator = external global %class.mem_alloc, align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8Row_mvcc4initEP5row_t(ptr noundef nonnull align 8 dereferenceable(104) %0, ptr noundef %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = getelementptr inbounds %class.Row_mvcc, ptr %5, i32 0, i32 2
  store ptr %6, ptr %7, align 8, !tbaa !9
  %8 = getelementptr inbounds %class.Row_mvcc, ptr %5, i32 0, i32 3
  store ptr null, ptr %8, align 8, !tbaa !13
  %9 = getelementptr inbounds %class.Row_mvcc, ptr %5, i32 0, i32 4
  store ptr null, ptr %9, align 8, !tbaa !14
  %10 = getelementptr inbounds %class.Row_mvcc, ptr %5, i32 0, i32 5
  store ptr null, ptr %10, align 8, !tbaa !15
  %11 = getelementptr inbounds %class.Row_mvcc, ptr %5, i32 0, i32 6
  store ptr null, ptr %11, align 8, !tbaa !16
  %12 = getelementptr inbounds %class.Row_mvcc, ptr %5, i32 0, i32 7
  store ptr null, ptr %12, align 8, !tbaa !17
  %13 = getelementptr inbounds %class.Row_mvcc, ptr %5, i32 0, i32 8
  store ptr null, ptr %13, align 8, !tbaa !18
  %14 = getelementptr inbounds %class.Row_mvcc, ptr %5, i32 0, i32 1
  store i8 0, ptr %14, align 8, !tbaa !19
  %15 = call noundef ptr @_ZN9mem_alloc5allocEm(ptr noundef nonnull align 1 dereferenceable(1) @mem_allocator, i64 noundef 40)
  %16 = getelementptr inbounds %class.Row_mvcc, ptr %5, i32 0, i32 0
  store ptr %15, ptr %16, align 8, !tbaa !20
  %17 = getelementptr inbounds %class.Row_mvcc, ptr %5, i32 0, i32 0
  %18 = load ptr, ptr %17, align 8, !tbaa !20
  %19 = call i32 @pthread_mutex_init(ptr noundef %18, ptr noundef null) #3
  %20 = getelementptr inbounds %class.Row_mvcc, ptr %5, i32 0, i32 9
  store i64 0, ptr %20, align 8, !tbaa !21
  %21 = getelementptr inbounds %class.Row_mvcc, ptr %5, i32 0, i32 10
  store i64 0, ptr %21, align 8, !tbaa !22
  %22 = getelementptr inbounds %class.Row_mvcc, ptr %5, i32 0, i32 11
  store i64 0, ptr %22, align 8, !tbaa !23
  %23 = getelementptr inbounds %class.Row_mvcc, ptr %5, i32 0, i32 12
  store i64 0, ptr %23, align 8, !tbaa !24
  ret void
}

declare noundef ptr @_ZN9mem_alloc5allocEm(ptr noundef nonnull align 1 dereferenceable(1), i64 noundef) #1

; Function Attrs: nounwind
declare i32 @pthread_mutex_init(ptr noundef, ptr noundef) #2

attributes #0 = { 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 #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 = { nounwind "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 = { 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 16}
!10 = !{!"_ZTS8Row_mvcc", !6, i64 0, !11, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56, !6, i64 64, !12, i64 72, !12, i64 80, !12, i64 88, !12, i64 96}
!11 = !{!"bool", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!10, !6, i64 24}
!14 = !{!10, !6, i64 32}
!15 = !{!10, !6, i64 40}
!16 = !{!10, !6, i64 48}
!17 = !{!10, !6, i64 56}
!18 = !{!10, !6, i64 64}
!19 = !{!10, !11, i64 8}
!20 = !{!10, !6, i64 0}
!21 = !{!10, !12, i64 72}
!22 = !{!10, !12, i64 80}
!23 = !{!10, !12, i64 88}
!24 = !{!10, !12, i64 96}


; 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.mem_alloc = type { i8 }

@mem_allocator = external global %class.mem_alloc, align 1

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN8Row_mvcc4initEP5row_t(ptr nocapture noundef nonnull writeonly align 8 dereferenceable(104) %0, ptr noundef %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  store ptr %1, ptr %3, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 24
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  store i8 0, ptr %5, align 8, !tbaa !12
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(48) %4, i8 0, i64 48, i1 false)
  %6 = tail call noundef ptr @_ZN9mem_alloc5allocEm(ptr noundef nonnull align 1 dereferenceable(1) @mem_allocator, i64 noundef 40)
  store ptr %6, ptr %0, align 8, !tbaa !13
  %7 = tail call i32 @pthread_mutex_init(ptr noundef %6, ptr noundef null) #4
  %8 = getelementptr inbounds i8, ptr %0, i64 72
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %8, i8 0, i64 32, i1 false)
  ret void
}

declare noundef ptr @_ZN9mem_alloc5allocEm(ptr noundef nonnull align 1 dereferenceable(1), i64 noundef) local_unnamed_addr #1

; Function Attrs: nounwind
declare i32 @pthread_mutex_init(ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

attributes #0 = { 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 #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 = { nounwind "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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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, !7, i64 16}
!6 = !{!"_ZTS8Row_mvcc", !7, i64 0, !10, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !7, i64 56, !7, i64 64, !11, i64 72, !11, i64 80, !11, i64 88, !11, i64 96}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"bool", !8, i64 0}
!11 = !{!"long", !8, i64 0}
!12 = !{!6, !10, i64 8}
!13 = !{!6, !7, i64 0}


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