; LLVM IR from nsccgz-storage/nvlsm :: db/log_reader.ll (ZN7leveldb3log6ReaderC2EPNS_14SequentialFileEPNS1_8ReporterEbm)

; 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.leveldb::log::Reader" = type <{ ptr, ptr, i8, [7 x i8], ptr, %"class.leveldb::Slice", i8, [7 x i8], i64, i64, i64, i8, [7 x i8] }>
%"class.leveldb::Slice" = type { ptr, i64 }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7leveldb3log6ReaderC2EPNS_14SequentialFileEPNS1_8ReporterEbm(ptr noundef nonnull align 8 dereferenceable(81) %0, ptr noundef %1, ptr noundef %2, i1 noundef zeroext %3, i64 noundef %4) unnamed_addr #0 align 2 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i8, align 1
  %10 = alloca i64, align 8
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  %11 = zext i1 %3 to i8
  store i8 %11, ptr %9, align 1, !tbaa !9
  store i64 %4, ptr %10, align 8, !tbaa !11
  %12 = load ptr, ptr %6, align 8
  %13 = getelementptr inbounds %"class.leveldb::log::Reader", ptr %12, i32 0, i32 0
  %14 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %14, ptr %13, align 8, !tbaa !13
  %15 = getelementptr inbounds %"class.leveldb::log::Reader", ptr %12, i32 0, i32 1
  %16 = load ptr, ptr %8, align 8, !tbaa !5
  store ptr %16, ptr %15, align 8, !tbaa !16
  %17 = getelementptr inbounds %"class.leveldb::log::Reader", ptr %12, i32 0, i32 2
  %18 = load i8, ptr %9, align 1, !tbaa !9, !range !17, !noundef !18
  %19 = trunc i8 %18 to i1
  %20 = zext i1 %19 to i8
  store i8 %20, ptr %17, align 8, !tbaa !19
  %21 = getelementptr inbounds %"class.leveldb::log::Reader", ptr %12, i32 0, i32 4
  %22 = call noalias noundef nonnull ptr @_Znam(i64 noundef 32768) #3
  store ptr %22, ptr %21, align 8, !tbaa !20
  %23 = getelementptr inbounds %"class.leveldb::log::Reader", ptr %12, i32 0, i32 5
  call void @_ZN7leveldb5SliceC2Ev(ptr noundef nonnull align 8 dereferenceable(16) %23)
  %24 = getelementptr inbounds %"class.leveldb::log::Reader", ptr %12, i32 0, i32 6
  store i8 0, ptr %24, align 8, !tbaa !21
  %25 = getelementptr inbounds %"class.leveldb::log::Reader", ptr %12, i32 0, i32 8
  store i64 0, ptr %25, align 8, !tbaa !22
  %26 = getelementptr inbounds %"class.leveldb::log::Reader", ptr %12, i32 0, i32 9
  store i64 0, ptr %26, align 8, !tbaa !23
  %27 = getelementptr inbounds %"class.leveldb::log::Reader", ptr %12, i32 0, i32 10
  %28 = load i64, ptr %10, align 8, !tbaa !11
  store i64 %28, ptr %27, align 8, !tbaa !24
  %29 = getelementptr inbounds %"class.leveldb::log::Reader", ptr %12, i32 0, i32 11
  %30 = load i64, ptr %10, align 8, !tbaa !11
  %31 = icmp ugt i64 %30, 0
  %32 = zext i1 %31 to i8
  store i8 %32, ptr %29, align 8, !tbaa !25
  ret void
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7leveldb5SliceC2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #2 align 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 = { nobuiltin allocsize(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 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 = { builtin allocsize(0) }

!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 = !{!"bool", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!14, !6, i64 0}
!14 = !{!"_ZTSN7leveldb3log6ReaderE", !6, i64 0, !6, i64 8, !10, i64 16, !6, i64 24, !15, i64 32, !10, i64 48, !12, i64 56, !12, i64 64, !12, i64 72, !10, i64 80}
!15 = !{!"_ZTSN7leveldb5SliceE", !6, i64 0, !12, i64 8}
!16 = !{!14, !6, i64 8}
!17 = !{i8 0, i8 2}
!18 = !{}
!19 = !{!14, !10, i64 16}
!20 = !{!14, !6, i64 24}
!21 = !{!14, !10, i64 48}
!22 = !{!14, !12, i64 56}
!23 = !{!14, !12, i64 64}
!24 = !{!14, !12, i64 72}
!25 = !{!14, !10, i64 80}


; 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 uwtable
define dso_local void @_ZN7leveldb3log6ReaderC2EPNS_14SequentialFileEPNS1_8ReporterEbm(ptr noundef nonnull align 8 dereferenceable(81) %0, ptr noundef %1, ptr noundef %2, i1 noundef zeroext %3, i64 noundef %4) unnamed_addr #0 align 2 {
  %6 = zext i1 %3 to i8
  store ptr %1, ptr %0, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  store ptr %2, ptr %7, align 8, !tbaa !13
  %8 = getelementptr inbounds i8, ptr %0, i64 16
  store i8 %6, ptr %8, align 8, !tbaa !14
  %9 = getelementptr inbounds i8, ptr %0, i64 24
  %10 = tail call noalias noundef nonnull dereferenceable(32768) ptr @_Znam(i64 noundef 32768) #4
  store ptr %10, ptr %9, align 8, !tbaa !15
  %11 = getelementptr inbounds i8, ptr %0, i64 32
  tail call void @_ZN7leveldb5SliceC2Ev(ptr noundef nonnull align 8 dereferenceable(16) %11)
  %12 = getelementptr inbounds i8, ptr %0, i64 48
  store i8 0, ptr %12, align 8, !tbaa !16
  %13 = getelementptr inbounds i8, ptr %0, i64 56
  %14 = getelementptr inbounds i8, ptr %0, i64 72
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %13, i8 0, i64 16, i1 false)
  store i64 %4, ptr %14, align 8, !tbaa !17
  %15 = getelementptr inbounds i8, ptr %0, i64 80
  %16 = icmp ne i64 %4, 0
  %17 = zext i1 %16 to i8
  store i8 %17, ptr %15, align 8, !tbaa !18
  ret void
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7leveldb5SliceC2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #2 align 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 = { nobuiltin allocsize(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 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #4 = { builtin allocsize(0) }

!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 = !{!"_ZTSN7leveldb3log6ReaderE", !7, i64 0, !7, i64 8, !10, i64 16, !7, i64 24, !11, i64 32, !10, i64 48, !12, i64 56, !12, i64 64, !12, i64 72, !10, i64 80}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"bool", !8, i64 0}
!11 = !{!"_ZTSN7leveldb5SliceE", !7, i64 0, !12, i64 8}
!12 = !{!"long", !8, i64 0}
!13 = !{!6, !7, i64 8}
!14 = !{!6, !10, i64 16}
!15 = !{!6, !7, i64 24}
!16 = !{!6, !10, i64 48}
!17 = !{!6, !12, i64 72}
!18 = !{!6, !10, i64 80}


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