; LLVM IR from guanzhi/GmSSL :: src (tls)

; 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"

; Function Attrs: nounwind uwtable
define dso_local void @tls_array_to_bytes(ptr noundef %0, i64 noundef %1, ptr noundef %2, ptr noundef %3) #0 {
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i64 %1, ptr %6, align 8, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  %9 = load ptr, ptr %7, align 8, !tbaa !5
  %10 = icmp ne ptr %9, null
  br i1 %10, label %11, label %28

11:                                               ; preds = %4
  %12 = load ptr, ptr %7, align 8, !tbaa !5
  %13 = load ptr, ptr %12, align 8, !tbaa !5
  %14 = icmp ne ptr %13, null
  br i1 %14, label %15, label %28

15:                                               ; preds = %11
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = icmp ne ptr %16, null
  br i1 %17, label %18, label %23

18:                                               ; preds = %15
  %19 = load ptr, ptr %7, align 8, !tbaa !5
  %20 = load ptr, ptr %19, align 8, !tbaa !5
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = load i64, ptr %6, align 8, !tbaa !9
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %20, ptr align 1 %21, i64 %22, i1 false)
  br label %23

23:                                               ; preds = %18, %15
  %24 = load i64, ptr %6, align 8, !tbaa !9
  %25 = load ptr, ptr %7, align 8, !tbaa !5
  %26 = load ptr, ptr %25, align 8, !tbaa !5
  %27 = getelementptr inbounds i8, ptr %26, i64 %24
  store ptr %27, ptr %25, align 8, !tbaa !5
  br label %28

28:                                               ; preds = %23, %11, %4
  %29 = load i64, ptr %6, align 8, !tbaa !9
  %30 = load ptr, ptr %8, align 8, !tbaa !5
  %31 = load i64, ptr %30, align 8, !tbaa !9
  %32 = add i64 %31, %29
  store i64 %32, ptr %30, align 8, !tbaa !9
  ret void
}

; 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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, inaccessiblemem: none) uwtable
define dso_local void @tls_array_to_bytes(ptr noundef readonly %0, i64 noundef %1, ptr noundef %2, ptr nocapture noundef %3) local_unnamed_addr #0 {
  %.not = icmp eq ptr %2, null
  br i1 %.not, label %12, label %5

5:                                                ; preds = %4
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %.not11 = icmp eq ptr %6, null
  br i1 %.not11, label %12, label %7

7:                                                ; preds = %5
  %.not12 = icmp eq ptr %0, null
  br i1 %.not12, label %9, label %8

8:                                                ; preds = %7
  tail call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 1 %6, ptr nonnull align 1 %0, i64 %1, i1 false)
  %.pre = load ptr, ptr %2, align 8, !tbaa !5
  br label %9

9:                                                ; preds = %8, %7
  %10 = phi ptr [ %.pre, %8 ], [ %6, %7 ]
  %11 = getelementptr inbounds i8, ptr %10, i64 %1
  store ptr %11, ptr %2, align 8, !tbaa !5
  br label %12

12:                                               ; preds = %9, %5, %4
  %13 = load i64, ptr %3, align 8, !tbaa !9
  %14 = add i64 %13, %1
  store i64 %14, ptr %3, align 8, !tbaa !9
  ret void
}

; Function Attrs: mustprogress 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 = { mustprogress nofree norecurse nosync nounwind willreturn memory(readwrite, 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" }
attributes #1 = { mustprogress 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, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}


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