; LLVM IR from specinfo-ua/UAPKI :: library/uapkic/src (dstu7564)

; 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.Dstu7564Ctx_st = type { [256 x i8], i64, [2 x i64], [128 x i8], i64, i64, i64, i64, i64, ptr }

@.str = external hidden unnamed_addr constant [18 x i8], align 1

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

declare void @stacktrace_create(ptr noundef, i64 noundef, i32 noundef, ptr noundef) #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
declare dso_local i32 @dstu7564_update(ptr noundef, ptr noundef) #2

declare void @stacktrace_add(ptr noundef, i64 noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @dstu7564_update_kmac(ptr noundef %0, ptr noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 0, ptr %5, align 4, !tbaa !9
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.Dstu7564Ctx_st, ptr %6, i32 0, i32 7
  %8 = load i64, ptr %7, align 8, !tbaa !11
  %9 = icmp eq i64 %8, 0
  br i1 %9, label %10, label %15

10:                                               ; preds = %2
  br label %11

11:                                               ; preds = %10
  store i32 4, ptr %5, align 4, !tbaa !9
  %12 = load i32, ptr %5, align 4, !tbaa !9
  call void @stacktrace_create(ptr noundef @.str, i64 noundef 779, i32 noundef %12, ptr noundef null)
  br label %27

13:                                               ; No predecessors!
  br label %14

14:                                               ; preds = %13
  br label %15

15:                                               ; preds = %14, %2
  br label %16

16:                                               ; preds = %15
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = call i32 @dstu7564_update(ptr noundef %17, ptr noundef %18)
  store i32 %19, ptr %5, align 4, !tbaa !9
  %20 = load i32, ptr %5, align 4, !tbaa !9
  %21 = icmp ne i32 %20, 0
  br i1 %21, label %22, label %24

22:                                               ; preds = %16
  %23 = load i32, ptr %5, align 4, !tbaa !9
  call void @stacktrace_add(ptr noundef @.str, i64 noundef 782, i32 noundef %23)
  br label %27

24:                                               ; preds = %16
  br label %25

25:                                               ; preds = %24
  br label %26

26:                                               ; preds = %25
  br label %27

27:                                               ; preds = %26, %22, %11
  %28 = load i32, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  ret i32 %28
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 = { 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, !13, i64 432}
!12 = !{!"Dstu7564Ctx_st", !7, i64 0, !13, i64 256, !7, i64 264, !7, i64 280, !13, i64 408, !13, i64 416, !13, i64 424, !13, i64 432, !13, i64 440, !6, i64 448}
!13 = !{!"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"

@.str = external hidden unnamed_addr constant [18 x i8], align 1

declare void @stacktrace_create(ptr noundef, i64 noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @dstu7564_update(ptr noundef, ptr noundef) local_unnamed_addr #1

declare void @stacktrace_add(ptr noundef, i64 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @dstu7564_update_kmac(ptr noundef %0, ptr noundef %1) local_unnamed_addr #1 {
  %3 = getelementptr inbounds i8, ptr %0, i64 432
  %4 = load i64, ptr %3, align 8, !tbaa !5
  %5 = icmp eq i64 %4, 0
  br i1 %5, label %6, label %7

6:                                                ; preds = %2
  tail call void @stacktrace_create(ptr noundef nonnull @.str, i64 noundef 779, i32 noundef 4, ptr noundef null) #2
  br label %10

7:                                                ; preds = %2
  %8 = tail call i32 @dstu7564_update(ptr noundef nonnull %0, ptr noundef %1)
  %.not = icmp eq i32 %8, 0
  br i1 %.not, label %10, label %9

9:                                                ; preds = %7
  tail call void @stacktrace_add(ptr noundef nonnull @.str, i64 noundef 782, i32 noundef %8) #2
  br label %10

10:                                               ; preds = %7, %9, %6
  %.0 = phi i32 [ 4, %6 ], [ %8, %9 ], [ 0, %7 ]
  ret i32 %.0
}

attributes #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 = { 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 #2 = { 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, !9, i64 432}
!6 = !{!"Dstu7564Ctx_st", !7, i64 0, !9, i64 256, !7, i64 264, !7, i64 280, !9, i64 408, !9, i64 416, !9, i64 424, !9, i64 432, !9, i64 440, !10, i64 448}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!"long", !7, i64 0}
!10 = !{!"any pointer", !7, i64 0}


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