; 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 }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #1

; 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 #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN9tlm_utils37instance_specific_extension_containerD2Ev(ptr noundef nonnull align 8 dereferenceable(64) %0) unnamed_addr #2 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %5

5:                                                ; preds = %21, %1
  %6 = load i32, ptr %3, align 4, !tbaa !9
  %7 = zext i32 %6 to i64
  %8 = getelementptr inbounds %"class.tlm_utils::instance_specific_extension_container", ptr %4, i32 0, i32 0
  %9 = call noundef i64 @_ZNKSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #4
  %10 = icmp ult i64 %7, %9
  br i1 %10, label %12, label %11

11:                                               ; preds = %5
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  br label %24

12:                                               ; preds = %5
  %13 = getelementptr inbounds %"class.tlm_utils::instance_specific_extension_container", ptr %4, i32 0, i32 0
  %14 = load i32, ptr %3, align 4, !tbaa !9
  %15 = zext i32 %14 to i64
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %13, i64 noundef %15) #4
  %17 = load ptr, ptr %16, align 8, !tbaa !5
  %18 = icmp eq ptr %17, null
  br i1 %18, label %20, label %19

19:                                               ; preds = %12
  call void @_ZN9tlm_utils41instance_specific_extensions_per_accessorD2Ev(ptr noundef nonnull align 8 dereferenceable(56) %17) #4
  call void @_ZdlPvm(ptr noundef %17, i64 noundef 56) #5
  br label %20

20:                                               ; preds = %19, %12
  br label %21

21:                                               ; preds = %20
  %22 = load i32, ptr %3, align 4, !tbaa !9
  %23 = add i32 %22, 1
  store i32 %23, ptr %3, align 4, !tbaa !9
  br label %5, !llvm.loop !11

24:                                               ; preds = %11
  %25 = getelementptr inbounds %"class.tlm_utils::instance_specific_extension_container", ptr %4, i32 0, i32 0
  call void @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %25) #4
  ret void
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN9tlm_utils41instance_specific_extensions_per_accessorD2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #3 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nobuiltin 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 #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 = { inlinehint 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 #4 = { nounwind }
attributes #5 = { builtin 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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; 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: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #0

; 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: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN9tlm_utils37instance_specific_extension_containerD2Ev(ptr noundef nonnull align 8 dereferenceable(64) %0) unnamed_addr #1 align 2 {
  %2 = tail call noundef i64 @_ZNKSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  %.not = icmp eq i64 %2, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %8, %1
  tail call void @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  ret void

.lr.ph:                                           ; preds = %1, %8
  %3 = phi i64 [ %10, %8 ], [ 0, %1 ]
  %.05 = phi i32 [ %9, %8 ], [ 0, %1 ]
  %4 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %3) #3
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  %6 = icmp eq ptr %5, null
  br i1 %6, label %8, label %7

7:                                                ; preds = %.lr.ph
  tail call void @_ZN9tlm_utils41instance_specific_extensions_per_accessorD2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #3
  tail call void @_ZdlPvm(ptr noundef nonnull %5, i64 noundef 56) #4
  br label %8

8:                                                ; preds = %.lr.ph, %7
  %9 = add i32 %.05, 1
  %10 = zext i32 %9 to i64
  %11 = tail call noundef i64 @_ZNKSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  %12 = icmp ugt i64 %11, %10
  br i1 %12, label %.lr.ph, label %._crit_edge, !llvm.loop !9
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN9tlm_utils41instance_specific_extensions_per_accessorD2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

attributes #0 = { nobuiltin 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 #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 = { inlinehint 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 = { nounwind }
attributes #4 = { builtin 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass