; LLVM IR from rweather/lightweight-crypto :: src/combined (grain128)

; 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.grain128_state_t = type { [4 x i32], [4 x i32], i64, i64, [16 x i8], i32 }

; Function Attrs: nounwind uwtable
define dso_local i32 @grain128_aead_encrypt(ptr noundef %0, ptr noundef %1, ptr noundef %2, i64 noundef %3, ptr noundef %4, i64 noundef %5, ptr noundef %6, ptr noundef %7, ptr noundef %8) #0 {
  %10 = alloca i32, align 4
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca ptr, align 8
  %14 = alloca i64, align 8
  %15 = alloca ptr, align 8
  %16 = alloca i64, align 8
  %17 = alloca ptr, align 8
  %18 = alloca ptr, align 8
  %19 = alloca ptr, align 8
  %20 = alloca %struct.grain128_state_t, align 8
  %21 = alloca [5 x i8], align 1
  %22 = alloca i32, align 4
  %23 = alloca i32, align 4
  store ptr %0, ptr %11, align 8, !tbaa !5
  store ptr %1, ptr %12, align 8, !tbaa !5
  store ptr %2, ptr %13, align 8, !tbaa !5
  store i64 %3, ptr %14, align 8, !tbaa !9
  store ptr %4, ptr %15, align 8, !tbaa !5
  store i64 %5, ptr %16, align 8, !tbaa !9
  store ptr %6, ptr %17, align 8, !tbaa !5
  store ptr %7, ptr %18, align 8, !tbaa !5
  store ptr %8, ptr %19, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 72, ptr %20) #4
  call void @llvm.lifetime.start.p0(i64 5, ptr %21) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %22) #4
  %24 = load ptr, ptr %17, align 8, !tbaa !5
  %25 = load i64, ptr %14, align 8, !tbaa !9
  %26 = add i64 %25, 8
  %27 = load ptr, ptr %12, align 8, !tbaa !5
  store i64 %26, ptr %27, align 8, !tbaa !9
  %28 = load i64, ptr %16, align 8, !tbaa !9
  %29 = icmp uge i64 %28, 4294967296
  br i1 %29, label %30, label %31

30:                                               ; preds = %9
  store i32 -2, ptr %10, align 4
  store i32 1, ptr %23, align 4
  br label %50

31:                                               ; preds = %9
  %32 = load ptr, ptr %19, align 8, !tbaa !5
  %33 = load ptr, ptr %18, align 8, !tbaa !5
  call void @grain128_setup(ptr noundef %20, ptr noundef %32, ptr noundef %33)
  %34 = getelementptr inbounds [5 x i8], ptr %21, i64 0, i64 0
  %35 = load i64, ptr %16, align 8, !tbaa !9
  %36 = call i32 @grain128_encode_adlen(ptr noundef %34, i64 noundef %35)
  store i32 %36, ptr %22, align 4, !tbaa !11
  %37 = getelementptr inbounds [5 x i8], ptr %21, i64 0, i64 0
  %38 = load i32, ptr %22, align 4, !tbaa !11
  %39 = zext i32 %38 to i64
  call void @grain128_authenticate(ptr noundef %20, ptr noundef %37, i64 noundef %39)
  %40 = load ptr, ptr %15, align 8, !tbaa !5
  %41 = load i64, ptr %16, align 8, !tbaa !9
  call void @grain128_authenticate(ptr noundef %20, ptr noundef %40, i64 noundef %41)
  %42 = load ptr, ptr %11, align 8, !tbaa !5
  %43 = load ptr, ptr %13, align 8, !tbaa !5
  %44 = load i64, ptr %14, align 8, !tbaa !9
  call void @grain128_encrypt(ptr noundef %20, ptr noundef %42, ptr noundef %43, i64 noundef %44)
  call void @grain128_compute_tag(ptr noundef %20)
  %45 = load ptr, ptr %11, align 8, !tbaa !5
  %46 = load i64, ptr %14, align 8, !tbaa !9
  %47 = getelementptr inbounds i8, ptr %45, i64 %46
  %48 = getelementptr inbounds %struct.grain128_state_t, ptr %20, i32 0, i32 4
  %49 = getelementptr inbounds [16 x i8], ptr %48, i64 0, i64 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %47, ptr align 8 %49, i64 8, i1 false)
  store i32 0, ptr %10, align 4
  store i32 1, ptr %23, align 4
  br label %50

50:                                               ; preds = %31, %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %22) #4
  call void @llvm.lifetime.end.p0(i64 5, ptr %21) #4
  call void @llvm.lifetime.end.p0(i64 72, ptr %20) #4
  %51 = load i32, ptr %10, align 4
  ret i32 %51
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare void @grain128_setup(ptr noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
declare hidden i32 @grain128_encode_adlen(ptr noundef, i64 noundef) #0

declare void @grain128_authenticate(ptr noundef, ptr noundef, i64 noundef) #2

declare void @grain128_encrypt(ptr noundef, ptr noundef, ptr noundef, i64 noundef) #2

declare void @grain128_compute_tag(ptr noundef) #2

; 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) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 = !{!"long long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !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"

%struct.grain128_state_t = type { [4 x i32], [4 x i32], i64, i64, [16 x i8], i32 }

; Function Attrs: nounwind uwtable
define dso_local range(i32 -2, 1) i32 @grain128_aead_encrypt(ptr noundef %0, ptr nocapture noundef writeonly %1, ptr noundef %2, i64 noundef %3, ptr noundef %4, i64 noundef %5, ptr nocapture noundef readnone %6, ptr noundef %7, ptr noundef %8) local_unnamed_addr #0 {
  %10 = alloca %struct.grain128_state_t, align 8
  %11 = alloca [5 x i8], align 1
  call void @llvm.lifetime.start.p0(i64 72, ptr nonnull %10) #3
  call void @llvm.lifetime.start.p0(i64 5, ptr nonnull %11) #3
  %12 = add i64 %3, 8
  store i64 %12, ptr %1, align 8, !tbaa !5
  %13 = icmp ugt i64 %5, 4294967295
  br i1 %13, label %20, label %14

14:                                               ; preds = %9
  call void @grain128_setup(ptr noundef nonnull %10, ptr noundef %8, ptr noundef %7) #3
  %15 = call i32 @grain128_encode_adlen(ptr noundef nonnull %11, i64 noundef %5)
  %16 = zext i32 %15 to i64
  call void @grain128_authenticate(ptr noundef nonnull %10, ptr noundef nonnull %11, i64 noundef %16) #3
  call void @grain128_authenticate(ptr noundef nonnull %10, ptr noundef %4, i64 noundef %5) #3
  call void @grain128_encrypt(ptr noundef nonnull %10, ptr noundef %0, ptr noundef %2, i64 noundef %3) #3
  call void @grain128_compute_tag(ptr noundef nonnull %10) #3
  %17 = getelementptr inbounds i8, ptr %0, i64 %3
  %18 = getelementptr inbounds i8, ptr %10, i64 48
  %19 = load i64, ptr %18, align 8
  store i64 %19, ptr %17, align 1
  br label %20

20:                                               ; preds = %9, %14
  %.0 = phi i32 [ 0, %14 ], [ -2, %9 ]
  call void @llvm.lifetime.end.p0(i64 5, ptr nonnull %11) #3
  call void @llvm.lifetime.end.p0(i64 72, ptr nonnull %10) #3
  ret i32 %.0
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

declare void @grain128_setup(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare hidden i32 @grain128_encode_adlen(ptr noundef, i64 noundef) local_unnamed_addr #0

declare void @grain128_authenticate(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #2

declare void @grain128_encrypt(ptr noundef, ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #2

declare void @grain128_compute_tag(ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


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