; LLVM IR from albertobsd/keyhunt :: hash/sha512.ll (Z16hmac_sha512_doneR7CSHA512PKhPh)

; 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.CSHA512 = type { [8 x i64], [128 x i8], i64, i64 }

; 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 uwtable
declare dso_local void @_ZN7CSHA51214WriteDirect128EPKh(ptr noundef nonnull align 8 dereferenceable(208), ptr noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7CSHA51213WriteDirect64EPKh(ptr noundef nonnull align 8 dereferenceable(208), ptr noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7CSHA5128FinalizeEPh(ptr noundef nonnull align 8 dereferenceable(208), ptr noundef) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z16hmac_sha512_doneR7CSHA512PKhPh(ptr noundef nonnull align 8 dereferenceable(208) %0, ptr noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca [16 x i64], align 16
  %8 = alloca ptr, align 8
  %9 = alloca [64 x i8], align 16
  %10 = alloca i32, align 4
  %11 = alloca %class.CSHA512, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 128, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %12, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 64, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = getelementptr inbounds [64 x i8], ptr %9, i64 0, i64 0
  call void @_ZN7CSHA5128FinalizeEPh(ptr noundef nonnull align 8 dereferenceable(208) %13, ptr noundef %14)
  store i32 0, ptr %10, align 4, !tbaa !9
  br label %15

15:                                               ; preds = %28, %3
  %16 = load i32, ptr %10, align 4, !tbaa !9
  %17 = icmp slt i32 %16, 16
  br i1 %17, label %18, label %31

18:                                               ; preds = %15
  %19 = load ptr, ptr %8, align 8, !tbaa !5
  %20 = load i32, ptr %10, align 4, !tbaa !9
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds i64, ptr %19, i64 %21
  %23 = load i64, ptr %22, align 8, !tbaa !11
  %24 = xor i64 %23, 6655295901103053916
  %25 = load i32, ptr %10, align 4, !tbaa !9
  %26 = sext i32 %25 to i64
  %27 = getelementptr inbounds [16 x i64], ptr %7, i64 0, i64 %26
  store i64 %24, ptr %27, align 8, !tbaa !11
  br label %28

28:                                               ; preds = %18
  %29 = load i32, ptr %10, align 4, !tbaa !9
  %30 = add nsw i32 %29, 1
  store i32 %30, ptr %10, align 4, !tbaa !9
  br label %15, !llvm.loop !13

31:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 208, ptr %11) #3
  call void @_ZN7CSHA512C1Ev(ptr noundef nonnull align 8 dereferenceable(208) %11)
  %32 = getelementptr inbounds [16 x i64], ptr %7, i64 0, i64 0
  call void @_ZN7CSHA51214WriteDirect128EPKh(ptr noundef nonnull align 8 dereferenceable(208) %11, ptr noundef %32)
  %33 = getelementptr inbounds [64 x i8], ptr %9, i64 0, i64 0
  call void @_ZN7CSHA51213WriteDirect64EPKh(ptr noundef nonnull align 8 dereferenceable(208) %11, ptr noundef %33)
  %34 = load ptr, ptr %6, align 8, !tbaa !5
  call void @_ZN7CSHA5128FinalizeEPh(ptr noundef nonnull align 8 dereferenceable(208) %11, ptr noundef %34)
  call void @llvm.lifetime.end.p0(i64 208, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 64, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 128, ptr %7) #3
  ret void
}

declare void @_ZN7CSHA512C1Ev(ptr)

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

!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 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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"

%class.CSHA512 = type { [8 x i64], [128 x i8], i64, i64 }

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7CSHA51214WriteDirect128EPKh(ptr noundef nonnull align 8 dereferenceable(208), ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7CSHA51213WriteDirect64EPKh(ptr noundef nonnull align 8 dereferenceable(208), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7CSHA5128FinalizeEPh(ptr noundef nonnull align 8 dereferenceable(208), ptr noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z16hmac_sha512_doneR7CSHA512PKhPh(ptr noundef nonnull align 8 dereferenceable(208) %0, ptr nocapture noundef readonly %1, ptr noundef %2) local_unnamed_addr #1 {
  %4 = alloca [16 x i64], align 16
  %5 = alloca [64 x i8], align 16
  %6 = alloca %class.CSHA512, align 8
  call void @llvm.lifetime.start.p0(i64 128, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %5) #3
  call void @_ZN7CSHA5128FinalizeEPh(ptr noundef nonnull align 8 dereferenceable(208) %0, ptr noundef nonnull %5)
  %7 = load <2 x i64>, ptr %1, align 8, !tbaa !5
  %8 = xor <2 x i64> %7, <i64 6655295901103053916, i64 6655295901103053916>
  store <2 x i64> %8, ptr %4, align 16, !tbaa !5
  %9 = getelementptr inbounds i8, ptr %1, i64 16
  %10 = getelementptr inbounds i8, ptr %4, i64 16
  %11 = load <2 x i64>, ptr %9, align 8, !tbaa !5
  %12 = xor <2 x i64> %11, <i64 6655295901103053916, i64 6655295901103053916>
  store <2 x i64> %12, ptr %10, align 16, !tbaa !5
  %13 = getelementptr inbounds i8, ptr %1, i64 32
  %14 = getelementptr inbounds i8, ptr %4, i64 32
  %15 = load <2 x i64>, ptr %13, align 8, !tbaa !5
  %16 = xor <2 x i64> %15, <i64 6655295901103053916, i64 6655295901103053916>
  store <2 x i64> %16, ptr %14, align 16, !tbaa !5
  %17 = getelementptr inbounds i8, ptr %1, i64 48
  %18 = getelementptr inbounds i8, ptr %4, i64 48
  %19 = load <2 x i64>, ptr %17, align 8, !tbaa !5
  %20 = xor <2 x i64> %19, <i64 6655295901103053916, i64 6655295901103053916>
  store <2 x i64> %20, ptr %18, align 16, !tbaa !5
  %21 = getelementptr inbounds i8, ptr %1, i64 64
  %22 = getelementptr inbounds i8, ptr %4, i64 64
  %23 = load <2 x i64>, ptr %21, align 8, !tbaa !5
  %24 = xor <2 x i64> %23, <i64 6655295901103053916, i64 6655295901103053916>
  store <2 x i64> %24, ptr %22, align 16, !tbaa !5
  %25 = getelementptr inbounds i8, ptr %1, i64 80
  %26 = getelementptr inbounds i8, ptr %4, i64 80
  %27 = load <2 x i64>, ptr %25, align 8, !tbaa !5
  %28 = xor <2 x i64> %27, <i64 6655295901103053916, i64 6655295901103053916>
  store <2 x i64> %28, ptr %26, align 16, !tbaa !5
  %29 = getelementptr inbounds i8, ptr %1, i64 96
  %30 = getelementptr inbounds i8, ptr %4, i64 96
  %31 = load <2 x i64>, ptr %29, align 8, !tbaa !5
  %32 = xor <2 x i64> %31, <i64 6655295901103053916, i64 6655295901103053916>
  store <2 x i64> %32, ptr %30, align 16, !tbaa !5
  %33 = getelementptr inbounds i8, ptr %1, i64 112
  %34 = getelementptr inbounds i8, ptr %4, i64 112
  %35 = load <2 x i64>, ptr %33, align 8, !tbaa !5
  %36 = xor <2 x i64> %35, <i64 6655295901103053916, i64 6655295901103053916>
  store <2 x i64> %36, ptr %34, align 16, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 208, ptr nonnull %6) #3
  call void @_ZN7CSHA512C1Ev(ptr noundef nonnull align 8 dereferenceable(208) %6)
  call void @_ZN7CSHA51214WriteDirect128EPKh(ptr noundef nonnull align 8 dereferenceable(208) %6, ptr noundef nonnull %4)
  call void @_ZN7CSHA51213WriteDirect64EPKh(ptr noundef nonnull align 8 dereferenceable(208) %6, ptr noundef nonnull %5)
  call void @_ZN7CSHA5128FinalizeEPh(ptr noundef nonnull align 8 dereferenceable(208) %6, ptr noundef %2)
  call void @llvm.lifetime.end.p0(i64 208, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 128, ptr nonnull %4) #3
  ret void
}

declare void @_ZN7CSHA512C1Ev(ptr) local_unnamed_addr

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

!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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SLPVectorizerPass,SROAPass,SimplifyCFGPass