; LLVM IR from specinfo-ua/UAPKI :: library/uapki/src/content-hasher.ll (ZN7UapkiNS13ContentHasherC2Ev)

; 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.UapkiNS::ContentHasher" = type { i32, i32, ptr, i8, %"class.std::__cxx11::basic_string", ptr, i64, %"class.UapkiNS::SmartBA" }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.UapkiNS::SmartBA" = type { ptr }

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7UapkiNS13ContentHasherC2Ev(ptr noundef nonnull align 8 dereferenceable(80) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %5 = load ptr, ptr %2, align 8
  %6 = getelementptr inbounds %"class.UapkiNS::ContentHasher", ptr %5, i32 0, i32 0
  store i32 0, ptr %6, align 8, !tbaa !9
  %7 = getelementptr inbounds %"class.UapkiNS::ContentHasher", ptr %5, i32 0, i32 1
  store i32 0, ptr %7, align 4, !tbaa !18
  %8 = getelementptr inbounds %"class.UapkiNS::ContentHasher", ptr %5, i32 0, i32 2
  store ptr null, ptr %8, align 8, !tbaa !19
  %9 = getelementptr inbounds %"class.UapkiNS::ContentHasher", ptr %5, i32 0, i32 3
  store i8 0, ptr %9, align 8, !tbaa !20
  %10 = getelementptr inbounds %"class.UapkiNS::ContentHasher", ptr %5, i32 0, i32 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #2
  %11 = getelementptr inbounds %"class.UapkiNS::ContentHasher", ptr %5, i32 0, i32 5
  store ptr null, ptr %11, align 8, !tbaa !21
  %12 = getelementptr inbounds %"class.UapkiNS::ContentHasher", ptr %5, i32 0, i32 6
  store i64 0, ptr %12, align 8, !tbaa !22
  %13 = getelementptr inbounds %"class.UapkiNS::ContentHasher", ptr %5, i32 0, i32 7
  invoke void @_ZN7UapkiNS7SmartBAC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %13)
          to label %14 unwind label %15

14:                                               ; preds = %1
  ret void

15:                                               ; preds = %1
  %16 = landingpad { ptr, i32 }
          cleanup
  %17 = extractvalue { ptr, i32 } %16, 0
  store ptr %17, ptr %3, align 8
  %18 = extractvalue { ptr, i32 } %16, 1
  store i32 %18, ptr %4, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #2
  br label %19

19:                                               ; preds = %15
  %20 = load ptr, ptr %3, align 8
  %21 = load i32, ptr %4, align 4
  %22 = insertvalue { ptr, i32 } poison, ptr %20, 0
  %23 = insertvalue { ptr, i32 } %22, i32 %21, 1
  resume { ptr, i32 } %23
}

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7UapkiNS7SmartBAC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 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 = { 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 #2 = { 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 = !{!"_ZTSN7UapkiNS13ContentHasherE", !11, i64 0, !12, i64 4, !6, i64 8, !13, i64 16, !14, i64 24, !6, i64 56, !16, i64 64, !17, i64 72}
!11 = !{!"_ZTSN7UapkiNS13ContentHasher10SourceTypeE", !7, i64 0}
!12 = !{!"_ZTS7HashAlg", !7, i64 0}
!13 = !{!"bool", !7, i64 0}
!14 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !15, i64 0, !16, i64 8, !7, i64 16}
!15 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!16 = !{!"long", !7, i64 0}
!17 = !{!"_ZTSN7UapkiNS7SmartBAE", !6, i64 0}
!18 = !{!10, !12, i64 4}
!19 = !{!10, !6, i64 8}
!20 = !{!10, !13, i64 16}
!21 = !{!10, !6, i64 56}
!22 = !{!10, !16, i64 64}


; 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 nounwind uwtable
define dso_local void @_ZN7UapkiNS13ContentHasherC2Ev(ptr noundef nonnull align 8 dereferenceable(80) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 24
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(17) %0, i8 0, i64 17, i1 false)
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #2
  %3 = getelementptr inbounds i8, ptr %0, i64 56
  %4 = getelementptr inbounds i8, ptr %0, i64 72
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %3, i8 0, i64 16, i1 false)
  tail call void @_ZN7UapkiNS7SmartBAC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %4)
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7UapkiNS7SmartBAC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0 align 2

declare i32 @__gxx_personality_v0(...)

; 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 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 #1 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { 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)"}


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