; 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_pool" = type { ptr }
%"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: mustprogress uwtable
define dso_local noundef ptr @_ZN9tlm_utils42instance_specific_extension_container_pool6createEv(ptr noundef nonnull align 8 dereferenceable(8) %0) #1 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  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_pool", ptr %6, i32 0, i32 0
  %8 = load ptr, ptr %7, align 8, !tbaa !9
  %9 = icmp ne ptr %8, null
  br i1 %9, label %18, label %10

10:                                               ; preds = %1
  %11 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 64) #4
  invoke void @_ZN9tlm_utils37instance_specific_extension_containerC1Ev(ptr noundef nonnull align 8 dereferenceable(64) %11)
          to label %12 unwind label %14

12:                                               ; preds = %10
  %13 = getelementptr inbounds %"class.tlm_utils::instance_specific_extension_container_pool", ptr %6, i32 0, i32 0
  store ptr %11, ptr %13, align 8, !tbaa !9
  br label %18

14:                                               ; preds = %10
  %15 = landingpad { ptr, i32 }
          cleanup
  %16 = extractvalue { ptr, i32 } %15, 0
  store ptr %16, ptr %3, align 8
  %17 = extractvalue { ptr, i32 } %15, 1
  store i32 %17, ptr %4, align 4
  call void @_ZdlPvm(ptr noundef %11, i64 noundef 64) #5
  br label %27

18:                                               ; preds = %12, %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %19 = getelementptr inbounds %"class.tlm_utils::instance_specific_extension_container_pool", ptr %6, i32 0, i32 0
  %20 = load ptr, ptr %19, align 8, !tbaa !9
  store ptr %20, ptr %5, align 8, !tbaa !5
  %21 = getelementptr inbounds %"class.tlm_utils::instance_specific_extension_container_pool", ptr %6, i32 0, i32 0
  %22 = load ptr, ptr %21, align 8, !tbaa !9
  %23 = getelementptr inbounds %"class.tlm_utils::instance_specific_extension_container", ptr %22, i32 0, i32 5
  %24 = load ptr, ptr %23, align 8, !tbaa !11
  %25 = getelementptr inbounds %"class.tlm_utils::instance_specific_extension_container_pool", ptr %6, i32 0, i32 0
  store ptr %24, ptr %25, align 8, !tbaa !9
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  ret ptr %26

27:                                               ; preds = %14
  %28 = load ptr, ptr %3, align 8
  %29 = load i32, ptr %4, align 4
  %30 = insertvalue { ptr, i32 } poison, ptr %28, 0
  %31 = insertvalue { ptr, i32 } %30, i32 %29, 1
  resume { ptr, i32 } %31
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #2

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #3

declare void @_ZN9tlm_utils37instance_specific_extension_containerC1Ev(ptr)

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { 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 #4 = { builtin allocsize(0) }
attributes #5 = { builtin nounwind }
attributes #6 = { 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, !6, i64 0}
!10 = !{!"_ZTSN9tlm_utils42instance_specific_extension_container_poolE", !6, i64 0}
!11 = !{!12, !6, i64 56}
!12 = !{!"_ZTSN9tlm_utils37instance_specific_extension_containerE", !13, i64 0, !17, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56}
!13 = !{!"_ZTSSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE", !14, i64 0}
!14 = !{!"_ZTSSt12_Vector_baseIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE12_Vector_implE", !16, i64 0}
!16 = !{!"_ZTSNSt12_Vector_baseIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!17 = !{!"int", !7, i64 0}


; 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 noundef nonnull ptr @_ZN9tlm_utils42instance_specific_extension_container_pool6createEv(ptr nocapture noundef nonnull align 8 dereferenceable(8) %0) local_unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %2 = load ptr, ptr %0, align 8, !tbaa !5
  %.not = icmp eq ptr %2, null
  br i1 %.not, label %3, label %8

3:                                                ; preds = %1
  %4 = tail call noalias noundef nonnull dereferenceable(64) ptr @_Znwm(i64 noundef 64) #3
  invoke void @_ZN9tlm_utils37instance_specific_extension_containerC1Ev(ptr noundef nonnull align 8 dereferenceable(64) %4)
          to label %5 unwind label %6

5:                                                ; preds = %3
  store ptr %4, ptr %0, align 8, !tbaa !5
  br label %8

6:                                                ; preds = %3
  %7 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %4, i64 noundef 64) #4
  resume { ptr, i32 } %7

8:                                                ; preds = %5, %1
  %9 = phi ptr [ %4, %5 ], [ %2, %1 ]
  %10 = getelementptr inbounds i8, ptr %9, i64 56
  %11 = load ptr, ptr %10, align 8, !tbaa !10
  store ptr %11, ptr %0, align 8, !tbaa !5
  ret ptr %9
}

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

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

declare void @_ZN9tlm_utils37instance_specific_extension_containerC1Ev(ptr) local_unnamed_addr

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 = { 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 = { builtin allocsize(0) }
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, !7, i64 0}
!6 = !{!"_ZTSN9tlm_utils42instance_specific_extension_container_poolE", !7, i64 0}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!11, !7, i64 56}
!11 = !{!"_ZTSN9tlm_utils37instance_specific_extension_containerE", !12, i64 0, !16, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !7, i64 56}
!12 = !{!"_ZTSSt6vectorIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE", !13, i64 0}
!13 = !{!"_ZTSSt12_Vector_baseIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE12_Vector_implE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseIPN9tlm_utils41instance_specific_extensions_per_accessorESaIS2_EE17_Vector_impl_dataE", !7, i64 0, !7, i64 8, !7, i64 16}
!16 = !{!"int", !8, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass