; LLVM IR from intel/intel-ipsec-mb :: lib/x86_64 (ooo_mgr_reset)

; 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.MB_MGR_SHA_512_OOO = type { %struct.SHA512_ARGS, [8 x i64], i64, [24 x i8], [8 x %struct.HMAC_SHA512_LANE_DATA], i32, i32, i64, [16 x i8] }
%struct.SHA512_ARGS = type { [64 x i64], [8 x ptr] }
%struct.HMAC_SHA512_LANE_DATA = type { [272 x i8], [128 x i8], ptr, i32, i32, i32, i32, [24 x i8] }

; 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 nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define hidden void @ooo_mgr_sha512_reset(ptr noundef %0, i32 noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %6, ptr %5, align 8, !tbaa !5
  %7 = load ptr, ptr %5, align 8, !tbaa !5
  call void @llvm.memset.p0.i64(ptr align 32 %7, i8 0, i64 4264, i1 false)
  %8 = load i32, ptr %4, align 4, !tbaa !9
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.MB_MGR_SHA_512_OOO, ptr %9, i32 0, i32 6
  store i32 %8, ptr %10, align 4, !tbaa !11
  %11 = load i32, ptr %4, align 4, !tbaa !9
  %12 = icmp eq i32 %11, 2
  br i1 %12, label %13, label %16

13:                                               ; preds = %2
  %14 = load ptr, ptr %5, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.MB_MGR_SHA_512_OOO, ptr %14, i32 0, i32 2
  store i64 3856, ptr %15, align 32, !tbaa !15
  br label %30

16:                                               ; preds = %2
  %17 = load i32, ptr %4, align 4, !tbaa !9
  %18 = icmp eq i32 %17, 4
  br i1 %18, label %19, label %22

19:                                               ; preds = %16
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.MB_MGR_SHA_512_OOO, ptr %20, i32 0, i32 2
  store i64 995856, ptr %21, align 32, !tbaa !15
  br label %29

22:                                               ; preds = %16
  %23 = load i32, ptr %4, align 4, !tbaa !9
  %24 = icmp eq i32 %23, 8
  br i1 %24, label %25, label %28

25:                                               ; preds = %22
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.MB_MGR_SHA_512_OOO, ptr %26, i32 0, i32 2
  store i64 66409738768, ptr %27, align 32, !tbaa !15
  br label %28

28:                                               ; preds = %25, %22
  br label %29

29:                                               ; preds = %28, %19
  br label %30

30:                                               ; preds = %29, %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #2 = { 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 }

!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 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 4260}
!12 = !{!"", !13, i64 0, !7, i64 576, !14, i64 640, !7, i64 672, !10, i64 4256, !10, i64 4260, !14, i64 4264}
!13 = !{!"", !7, i64 0, !7, i64 512}
!14 = !{!"long", !7, i64 0}
!15 = !{!12, !14, i64 640}


; 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 nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #0

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define hidden void @ooo_mgr_sha512_reset(ptr nocapture noundef writeonly %0, i32 noundef %1) local_unnamed_addr #1 {
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 32 dereferenceable(4264) %0, i8 0, i64 4264, i1 false)
  %3 = getelementptr inbounds i8, ptr %0, i64 4260
  store i32 %1, ptr %3, align 4, !tbaa !5
  switch i32 %1, label %7 [
    i32 2, label %.sink.split
    i32 4, label %4
    i32 8, label %5
  ]

4:                                                ; preds = %2
  br label %.sink.split

5:                                                ; preds = %2
  br label %.sink.split

.sink.split:                                      ; preds = %2, %5, %4
  %.sink = phi i64 [ 995856, %4 ], [ 66409738768, %5 ], [ 3856, %2 ]
  %6 = getelementptr inbounds i8, ptr %0, i64 640
  store i64 %.sink, ptr %6, align 32, !tbaa !12
  br label %7

7:                                                ; preds = %.sink.split, %2
  ret void
}

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #1 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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 4260}
!6 = !{!"", !7, i64 0, !8, i64 576, !10, i64 640, !8, i64 672, !11, i64 4256, !11, i64 4260, !10, i64 4264}
!7 = !{!"", !8, i64 0, !8, i64 512}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!"int", !8, i64 0}
!12 = !{!6, !10, i64 640}


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