; LLVM IR from stan-dev/math :: lib/boost_1.84.0/libs/container/src (monotonic_buffer_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::monotonic_buffer_resource" = type { %"class.boost::container::pmr::memory_resource", %"class.boost::container::pmr::block_slist", ptr, i64, i64, ptr, i64 }
%"class.boost::container::pmr::memory_resource" = type { ptr }
%"class.boost::container::pmr::block_slist" = type { %"class.boost::container::pmr::block_slist_base", ptr }
%"class.boost::container::pmr::block_slist_base" = type { %"struct.boost::container::pmr::slist_node" }
%"struct.boost::container::pmr::slist_node" = type { 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: mustprogress nounwind uwtable
define dso_local noundef ptr @_ZN5boost9container3pmr25monotonic_buffer_resource21allocate_from_currentEmm(ptr noundef nonnull align 8 dereferenceable(64) %0, i64 noundef %1, i64 noundef %2) #1 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  store i64 %2, ptr %6, align 8, !tbaa !9
  %8 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  %9 = getelementptr inbounds %"class.boost::container::pmr::monotonic_buffer_resource", ptr %8, i32 0, i32 2
  %10 = load ptr, ptr %9, align 8, !tbaa !11
  %11 = load i64, ptr %5, align 8, !tbaa !9
  %12 = getelementptr inbounds i8, ptr %10, i64 %11
  store ptr %12, ptr %7, align 8, !tbaa !5
  %13 = load ptr, ptr %7, align 8, !tbaa !5
  %14 = load i64, ptr %6, align 8, !tbaa !9
  %15 = getelementptr inbounds i8, ptr %13, i64 %14
  %16 = getelementptr inbounds %"class.boost::container::pmr::monotonic_buffer_resource", ptr %8, i32 0, i32 2
  store ptr %15, ptr %16, align 8, !tbaa !11
  %17 = load i64, ptr %5, align 8, !tbaa !9
  %18 = load i64, ptr %6, align 8, !tbaa !9
  %19 = add i64 %17, %18
  %20 = getelementptr inbounds %"class.boost::container::pmr::monotonic_buffer_resource", ptr %8, i32 0, i32 3
  %21 = load i64, ptr %20, align 8, !tbaa !17
  %22 = sub i64 %21, %19
  store i64 %22, ptr %20, align 8, !tbaa !17
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  ret ptr %23
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !6, i64 24}
!12 = !{!"_ZTSN5boost9container3pmr25monotonic_buffer_resourceE", !13, i64 0, !14, i64 8, !6, i64 24, !10, i64 32, !10, i64 40, !6, i64 48, !10, i64 56}
!13 = !{!"_ZTSN5boost9container3pmr15memory_resourceE"}
!14 = !{!"_ZTSN5boost9container3pmr11block_slistE", !15, i64 0, !6, i64 8}
!15 = !{!"_ZTSN5boost9container3pmr16block_slist_baseINS1_18block_slist_headerEEE", !16, i64 0}
!16 = !{!"_ZTSN5boost9container3pmr10slist_nodeE", !6, i64 0}
!17 = !{!12, !10, i64 32}


; 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: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local noundef ptr @_ZN5boost9container3pmr25monotonic_buffer_resource21allocate_from_currentEmm(ptr nocapture noundef nonnull align 8 dereferenceable(64) %0, i64 noundef %1, i64 noundef %2) local_unnamed_addr #0 align 2 {
  %4 = getelementptr inbounds i8, ptr %0, i64 24
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %5, i64 %1
  %7 = getelementptr inbounds i8, ptr %6, i64 %2
  store ptr %7, ptr %4, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %0, i64 32
  %9 = load i64, ptr %8, align 8, !tbaa !15
  %10 = add i64 %2, %1
  %11 = sub i64 %9, %10
  store i64 %11, ptr %8, align 8, !tbaa !15
  ret ptr %6
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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" }

!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, !11, i64 24}
!6 = !{!"_ZTSN5boost9container3pmr25monotonic_buffer_resourceE", !7, i64 0, !8, i64 8, !11, i64 24, !14, i64 32, !14, i64 40, !11, i64 48, !14, i64 56}
!7 = !{!"_ZTSN5boost9container3pmr15memory_resourceE"}
!8 = !{!"_ZTSN5boost9container3pmr11block_slistE", !9, i64 0, !11, i64 8}
!9 = !{!"_ZTSN5boost9container3pmr16block_slist_baseINS1_18block_slist_headerEEE", !10, i64 0}
!10 = !{!"_ZTSN5boost9container3pmr10slist_nodeE", !11, i64 0}
!11 = !{!"any pointer", !12, i64 0}
!12 = !{!"omnipotent char", !13, i64 0}
!13 = !{!"Simple C++ TBAA"}
!14 = !{!"long", !12, i64 0}
!15 = !{!6, !14, i64 32}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass