; 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

declare i32 @__gxx_personality_v0(...)

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

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

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN9tlm_utils37instance_specific_extension_container6resizeEv(ptr noundef nonnull align 8 dereferenceable(64) %0) #3 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %6 = load ptr, ptr %2, align 8
  %7 = getelementptr inbounds %"class.tlm_utils::instance_specific_extension_container", ptr %6, i32 0, i32 0
  %8 = call noundef i32 @_ZN9tlm_utilsL23max_num_ispex_accessorsEb(i1 noundef zeroext false)
  %9 = zext i32 %8 to i64
  call void @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %9)
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #5
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %10

10:                                               ; preds = %29, %1
  %11 = load i32, ptr %3, align 4, !tbaa !9
  %12 = zext i32 %11 to i64
  %13 = getelementptr inbounds %"class.tlm_utils::instance_specific_extension_container", ptr %6, i32 0, i32 0
  %14 = call noundef i64 @_ZNKSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #5
  %15 = icmp ult i64 %12, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %36

17:                                               ; preds = %10
  %18 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 56) #6
  invoke void @_ZN9tlm_utils41instance_specific_extensions_per_accessorC2EPNS_37instance_specific_extension_containerE(ptr noundef nonnull align 8 dereferenceable(56) %18, ptr noundef %6)
          to label %19 unwind label %32

19:                                               ; preds = %17
  %20 = getelementptr inbounds %"class.tlm_utils::instance_specific_extension_container", ptr %6, i32 0, i32 0
  %21 = load i32, ptr %3, align 4, !tbaa !9
  %22 = zext i32 %21 to i64
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %20, i64 noundef %22) #5
  store ptr %18, ptr %23, align 8, !tbaa !5
  %24 = getelementptr inbounds %"class.tlm_utils::instance_specific_extension_container", ptr %6, i32 0, i32 0
  %25 = load i32, ptr %3, align 4, !tbaa !9
  %26 = zext i32 %25 to i64
  %27 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %24, i64 noundef %26) #5
  %28 = load ptr, ptr %27, align 8, !tbaa !5
  call void @_ZN9tlm_utils41instance_specific_extensions_per_accessor17resize_extensionsEv(ptr noundef nonnull align 8 dereferenceable(56) %28)
  br label %29

29:                                               ; preds = %19
  %30 = load i32, ptr %3, align 4, !tbaa !9
  %31 = add i32 %30, 1
  store i32 %31, ptr %3, align 4, !tbaa !9
  br label %10, !llvm.loop !11

32:                                               ; preds = %17
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %4, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %5, align 4
  call void @_ZdlPvm(ptr noundef %18, i64 noundef 56) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #5
  br label %37

36:                                               ; preds = %16
  ret void

37:                                               ; preds = %32
  %38 = load ptr, ptr %4, align 8
  %39 = load i32, ptr %5, align 4
  %40 = insertvalue { ptr, i32 } poison, ptr %38, 0
  %41 = insertvalue { ptr, i32 } %40, i32 %39, 1
  resume { ptr, i32 } %41
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef i32 @_ZN9tlm_utilsL23max_num_ispex_accessorsEb(i1 noundef zeroext) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9tlm_utils41instance_specific_extensions_per_accessorC2EPNS_37instance_specific_extension_containerE(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef) unnamed_addr #3 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) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9tlm_utils41instance_specific_extensions_per_accessor17resize_extensionsEv(ptr noundef nonnull align 8 dereferenceable(56)) #3 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #3 = { 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 #4 = { 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 #5 = { nounwind }
attributes #6 = { builtin allocsize(0) }
attributes #7 = { 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"

declare i32 @__gxx_personality_v0(...)

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

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

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN9tlm_utils37instance_specific_extension_container6resizeEv(ptr noundef nonnull align 8 dereferenceable(64) %0) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = tail call noundef i32 @_ZN9tlm_utilsL23max_num_ispex_accessorsEb(i1 noundef zeroext false)
  %3 = zext i32 %2 to i64
  tail call void @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %3)
  %4 = tail call noundef i64 @_ZNKSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  %.not = icmp eq i64 %4, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %7, %1
  ret void

.lr.ph:                                           ; preds = %1, %7
  %5 = phi i64 [ %12, %7 ], [ 0, %1 ]
  %.07 = phi i32 [ %11, %7 ], [ 0, %1 ]
  %6 = tail call noalias noundef nonnull dereferenceable(56) ptr @_Znwm(i64 noundef 56) #5
  invoke void @_ZN9tlm_utils41instance_specific_extensions_per_accessorC2EPNS_37instance_specific_extension_containerE(ptr noundef nonnull align 8 dereferenceable(56) %6, ptr noundef nonnull %0)
          to label %7 unwind label %15

7:                                                ; preds = %.lr.ph
  %8 = 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 %5) #4
  store ptr %6, ptr %8, align 8, !tbaa !5
  %9 = 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 %5) #4
  %10 = load ptr, ptr %9, align 8, !tbaa !5
  tail call void @_ZN9tlm_utils41instance_specific_extensions_per_accessor17resize_extensionsEv(ptr noundef nonnull align 8 dereferenceable(56) %10)
  %11 = add i32 %.07, 1
  %12 = zext i32 %11 to i64
  %13 = tail call noundef i64 @_ZNKSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  %14 = icmp ugt i64 %13, %12
  br i1 %14, label %.lr.ph, label %._crit_edge, !llvm.loop !9

15:                                               ; preds = %.lr.ph
  %16 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %6, i64 noundef 56) #6
  resume { ptr, i32 } %16
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef i32 @_ZN9tlm_utilsL23max_num_ispex_accessorsEb(i1 noundef zeroext) local_unnamed_addr #3

; 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 #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9tlm_utils41instance_specific_extensions_per_accessorC2EPNS_37instance_specific_extension_containerE(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef) unnamed_addr #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) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9tlm_utils41instance_specific_extensions_per_accessor17resize_extensionsEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #2 align 2

attributes #0 = { 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 #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 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 = { 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 allocsize(0) }
attributes #6 = { 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,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass