; LLVM IR from jwerle/libhypercore-crypto :: deps/merkle (allocator)

; 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"

%struct.merkle_allocator_stats_s = type { i32, i32, i32 }

@stats = external hidden global %struct.merkle_allocator_stats_s, align 4

; Function Attrs: nounwind uwtable
define dso_local { i64, i32 } @merkle_allocator_stats() #0 {
  %1 = alloca %struct.merkle_allocator_stats_s, align 4
  %2 = alloca { i64, i32 }, align 8
  %3 = getelementptr inbounds %struct.merkle_allocator_stats_s, ptr %1, i32 0, i32 0
  %4 = load i32, ptr @stats, align 4, !tbaa !5
  store i32 %4, ptr %3, align 4, !tbaa !5
  %5 = getelementptr inbounds %struct.merkle_allocator_stats_s, ptr %1, i32 0, i32 1
  %6 = load i32, ptr getelementptr inbounds (%struct.merkle_allocator_stats_s, ptr @stats, i32 0, i32 1), align 4, !tbaa !10
  store i32 %6, ptr %5, align 4, !tbaa !10
  %7 = getelementptr inbounds %struct.merkle_allocator_stats_s, ptr %1, i32 0, i32 2
  %8 = load i32, ptr getelementptr inbounds (%struct.merkle_allocator_stats_s, ptr @stats, i32 0, i32 2), align 4, !tbaa !11
  store i32 %8, ptr %7, align 4, !tbaa !11
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %2, ptr align 4 %1, i64 12, i1 false)
  %9 = load { i64, i32 }, ptr %2, align 8
  ret { i64, i32 } %9
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

attributes #0 = { 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 #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }

!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 = !{!"merkle_allocator_stats_s", !7, i64 0, !7, i64 4, !7, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 4}
!11 = !{!6, !7, i64 8}


; 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"

%struct.merkle_allocator_stats_s = type { i32, i32, i32 }

@stats = external hidden local_unnamed_addr global %struct.merkle_allocator_stats_s, align 4

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(read, argmem: none, inaccessiblemem: none) uwtable
define dso_local { i64, i32 } @merkle_allocator_stats() local_unnamed_addr #0 {
  %1 = load i64, ptr @stats, align 4
  %2 = load i32, ptr getelementptr inbounds (i8, ptr @stats, i64 8), align 4, !tbaa !5
  %.fca.0.insert = insertvalue { i64, i32 } poison, i64 %1, 0
  %.fca.1.insert = insertvalue { i64, i32 } %.fca.0.insert, i32 %2, 1
  ret { i64, i32 } %.fca.1.insert
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(read, argmem: none, inaccessiblemem: none) 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, !7, i64 8}
!6 = !{!"merkle_allocator_stats_s", !7, i64 0, !7, i64 4, !7, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}


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