; LLVM IR from gem5/gem5 :: src/systemc/tlm_utils (instance_specific_extensions)

; 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.tlm_utils::instance_specific_extension_container" = type { %"class.std::vector.8", i32, ptr, ptr, ptr, ptr }
%"class.std::vector.8" = type { %"struct.std::_Vector_base.9" }
%"struct.std::_Vector_base.9" = type { %"struct.std::_Vector_base<tlm_utils::instance_specific_extensions_per_accessor *, std::allocator<tlm_utils::instance_specific_extensions_per_accessor *>>::_Vector_impl" }
%"struct.std::_Vector_base<tlm_utils::instance_specific_extensions_per_accessor *, std::allocator<tlm_utils::instance_specific_extensions_per_accessor *>>::_Vector_impl" = type { %"struct.std::_Vector_base<tlm_utils::instance_specific_extensions_per_accessor *, std::allocator<tlm_utils::instance_specific_extensions_per_accessor *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<tlm_utils::instance_specific_extensions_per_accessor *, std::allocator<tlm_utils::instance_specific_extensions_per_accessor *>>::_Vector_impl_data" = type { ptr, ptr, ptr }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN9tlm_utils37instance_specific_extension_containerC2Ev(ptr noundef nonnull align 8 dereferenceable(64) %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.tlm_utils::instance_specific_extension_container", ptr %5, i32 0, i32 0
  call void @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #2
  %7 = getelementptr inbounds %"class.tlm_utils::instance_specific_extension_container", ptr %5, i32 0, i32 1
  store i32 0, ptr %7, align 8, !tbaa !9
  %8 = getelementptr inbounds %"class.tlm_utils::instance_specific_extension_container", ptr %5, i32 0, i32 2
  store ptr null, ptr %8, align 8, !tbaa !16
  %9 = getelementptr inbounds %"class.tlm_utils::instance_specific_extension_container", ptr %5, i32 0, i32 3
  store ptr null, ptr %9, align 8, !tbaa !17
  %10 = getelementptr inbounds %"class.tlm_utils::instance_specific_extension_container", ptr %5, i32 0, i32 4
  store ptr null, ptr %10, align 8, !tbaa !18
  %11 = getelementptr inbounds %"class.tlm_utils::instance_specific_extension_container", ptr %5, i32 0, i32 5
  store ptr null, ptr %11, align 8, !tbaa !19
  invoke void @_ZN9tlm_utils37instance_specific_extension_container6resizeEv(ptr noundef nonnull align 8 dereferenceable(64) %5)
          to label %12 unwind label %13

12:                                               ; preds = %1
  ret void

13:                                               ; preds = %1
  %14 = landingpad { ptr, i32 }
          cleanup
  %15 = extractvalue { ptr, i32 } %14, 0
  store ptr %15, ptr %3, align 8
  %16 = extractvalue { ptr, i32 } %14, 1
  store i32 %16, ptr %4, align 4
  call void @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #2
  br label %17

17:                                               ; preds = %13
  %18 = load ptr, ptr %3, align 8
  %19 = load i32, ptr %4, align 4
  %20 = insertvalue { ptr, i32 } poison, ptr %18, 0
  %21 = insertvalue { ptr, i32 } %20, i32 %19, 1
  resume { ptr, i32 } %21
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9tlm_utils37instance_specific_extension_container6resizeEv(ptr noundef nonnull align 8 dereferenceable(64)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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, !15, i64 24}
!10 = !{!"_ZTSN9tlm_utils37instance_specific_extension_containerE", !11, i64 0, !15, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56}
!11 = !{!"_ZTSSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE", !12, i64 0}
!12 = !{!"_ZTSSt12_Vector_baseIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE12_Vector_implE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!15 = !{!"int", !7, i64 0}
!16 = !{!10, !6, i64 32}
!17 = !{!10, !6, i64 40}
!18 = !{!10, !6, i64 48}
!19 = !{!10, !6, i64 56}


; 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"

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN9tlm_utils37instance_specific_extension_containerC2Ev(ptr noundef nonnull align 8 dereferenceable(64) %0) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  tail call void @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  %2 = getelementptr inbounds i8, ptr %0, i64 24
  store i32 0, ptr %2, align 8, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 32
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %3, i8 0, i64 32, i1 false)
  invoke void @_ZN9tlm_utils37instance_specific_extension_container6resizeEv(ptr noundef nonnull align 8 dereferenceable(64) %0)
          to label %4 unwind label %5

4:                                                ; preds = %1
  ret void

5:                                                ; preds = %1
  %6 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  resume { ptr, i32 } %6
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9tlm_utils37instance_specific_extension_container6resizeEv(ptr noundef nonnull align 8 dereferenceable(64)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

; 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 = { 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 = { 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, !14, i64 24}
!6 = !{!"_ZTSN9tlm_utils37instance_specific_extension_containerE", !7, i64 0, !14, i64 24, !11, i64 32, !11, i64 40, !11, i64 48, !11, i64 56}
!7 = !{!"_ZTSSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE", !8, i64 0}
!8 = !{!"_ZTSSt12_Vector_baseIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE", !9, i64 0}
!9 = !{!"_ZTSNSt12_Vector_baseIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE12_Vector_implE", !10, i64 0}
!10 = !{!"_ZTSNSt12_Vector_baseIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE17_Vector_impl_dataE", !11, i64 0, !11, i64 8, !11, i64 16}
!11 = !{!"any pointer", !12, i64 0}
!12 = !{!"omnipotent char", !13, i64 0}
!13 = !{!"Simple C++ TBAA"}
!14 = !{!"int", !12, i64 0}


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