; LLVM IR from stan-dev/math :: lib/boost_1.84.0/libs/container/src (pool_resource)

; 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.boost::container::pmr::pool_resource" = type { %"struct.boost::container::pmr::pool_options", ptr, %"class.boost::container::pmr::block_list_base", ptr, i64 }
%"struct.boost::container::pmr::pool_options" = type { i64, i64 }
%"class.boost::container::pmr::block_list_base" = type { %"struct.boost::container::pmr::list_node" }
%"struct.boost::container::pmr::list_node" = type { ptr, ptr }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5boost9container3pmr13pool_resource21priv_constructor_bodyEv(ptr noundef nonnull align 8 dereferenceable(56)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5boost9container3pmr15block_list_baseINS1_17block_list_headerEEC2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #0 align 2

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN5boost9container3pmr13pool_resourceC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %0) unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %"class.boost::container::pmr::pool_resource", ptr %3, i32 0, i32 0
  invoke void @_ZN5boost9container3pmr12pool_optionsC2Ev(ptr noundef nonnull align 8 dereferenceable(16) %4)
          to label %5 unwind label %13

5:                                                ; preds = %1
  %6 = getelementptr inbounds %"class.boost::container::pmr::pool_resource", ptr %3, i32 0, i32 1
  %7 = call noundef ptr @_ZN5boost9container3pmr20get_default_resourceEv() #4
  store ptr %7, ptr %6, align 8, !tbaa !5
  %8 = getelementptr inbounds %"class.boost::container::pmr::pool_resource", ptr %3, i32 0, i32 2
  invoke void @_ZN5boost9container3pmr15block_list_baseINS1_17block_list_headerEEC2Ev(ptr noundef nonnull align 8 dereferenceable(16) %8)
          to label %9 unwind label %13

9:                                                ; preds = %5
  %10 = getelementptr inbounds %"class.boost::container::pmr::pool_resource", ptr %3, i32 0, i32 3
  store ptr null, ptr %10, align 8, !tbaa !9
  %11 = getelementptr inbounds %"class.boost::container::pmr::pool_resource", ptr %3, i32 0, i32 4
  store i64 0, ptr %11, align 8, !tbaa !15
  invoke void @_ZN5boost9container3pmr13pool_resource21priv_constructor_bodyEv(ptr noundef nonnull align 8 dereferenceable(56) %3)
          to label %12 unwind label %13

12:                                               ; preds = %9
  ret void

13:                                               ; preds = %9, %5, %1
  %14 = landingpad { ptr, i32 }
          catch ptr null
  %15 = extractvalue { ptr, i32 } %14, 0
  call void @__clang_call_terminate(ptr %15) #5
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5boost9container3pmr12pool_optionsC2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #2 align 2

; Function Attrs: nounwind
declare noundef ptr @_ZN5boost9container3pmr20get_default_resourceEv() #3

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 = { noinline noreturn nounwind uwtable "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 = { 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 = { nounwind }
attributes #5 = { noreturn 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 40}
!10 = !{!"_ZTSN5boost9container3pmr13pool_resourceE", !11, i64 0, !6, i64 16, !13, i64 24, !6, i64 40, !12, i64 48}
!11 = !{!"_ZTSN5boost9container3pmr12pool_optionsE", !12, i64 0, !12, i64 8}
!12 = !{!"long", !7, i64 0}
!13 = !{!"_ZTSN5boost9container3pmr15block_list_baseINS1_17block_list_headerEEE", !14, i64 0}
!14 = !{!"_ZTSN5boost9container3pmr9list_nodeE", !6, i64 0, !6, i64 8}
!15 = !{!10, !12, i64 48}


; 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
declare dso_local void @_ZN5boost9container3pmr13pool_resource21priv_constructor_bodyEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5boost9container3pmr15block_list_baseINS1_17block_list_headerEEC2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #0 align 2

; Function Attrs: noinline noreturn nounwind uwtable
declare hidden void @__clang_call_terminate(ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN5boost9container3pmr13pool_resourceC2Ev(ptr noundef nonnull align 8 dereferenceable(56) %0) unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  tail call void @_ZN5boost9container3pmr12pool_optionsC2Ev(ptr noundef nonnull align 8 dereferenceable(16) %0)
  %2 = getelementptr inbounds i8, ptr %0, i64 16
  %3 = tail call noundef ptr @_ZN5boost9container3pmr20get_default_resourceEv() #5
  store ptr %3, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 24
  invoke void @_ZN5boost9container3pmr15block_list_baseINS1_17block_list_headerEEC2Ev(ptr noundef nonnull align 8 dereferenceable(16) %4)
          to label %5 unwind label %8

5:                                                ; preds = %1
  %6 = getelementptr inbounds i8, ptr %0, i64 40
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(16) %6, i8 0, i64 16, i1 false)
  invoke void @_ZN5boost9container3pmr13pool_resource21priv_constructor_bodyEv(ptr noundef nonnull align 8 dereferenceable(56) %0)
          to label %7 unwind label %8

7:                                                ; preds = %5
  ret void

8:                                                ; preds = %5, %1
  %9 = landingpad { ptr, i32 }
          catch ptr null
  %10 = extractvalue { ptr, i32 } %9, 0
  tail call void @__clang_call_terminate(ptr %10) #6
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5boost9container3pmr12pool_optionsC2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #2 align 2

; Function Attrs: nounwind
declare noundef ptr @_ZN5boost9container3pmr20get_default_resourceEv() local_unnamed_addr #3

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

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 = { noinline noreturn nounwind uwtable "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 = { 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { nounwind }
attributes #6 = { noreturn 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"}


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