; LLVM IR from AngoraFuzzer/Angora :: llvm_mode/dfsan_rt/sanitizer_common (sanitizer_libc)

; 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: 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 noundef ptr @_ZN11__sanitizer16internal_memmoveEPvPKvm(ptr noundef, ptr noundef, i64 noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN11__sanitizer15internal_strlenEPKc(ptr noundef) #2

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_ZN11__sanitizer16internal_strlcpyEPcPKcm(ptr noundef %0, ptr noundef %1, i64 noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %8 = load ptr, ptr %5, align 8, !tbaa !5
  %9 = call noundef i64 @_ZN11__sanitizer15internal_strlenEPKc(ptr noundef %8)
  store i64 %9, ptr %7, align 8, !tbaa !9
  %10 = load i64, ptr %7, align 8, !tbaa !9
  %11 = load i64, ptr %6, align 8, !tbaa !9
  %12 = icmp ult i64 %10, %11
  br i1 %12, label %13, label %19

13:                                               ; preds = %3
  %14 = load ptr, ptr %4, align 8, !tbaa !5
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = load i64, ptr %7, align 8, !tbaa !9
  %17 = add i64 %16, 1
  %18 = call noundef ptr @_ZN11__sanitizer16internal_memmoveEPvPKvm(ptr noundef %14, ptr noundef %15, i64 noundef %17)
  br label %33

19:                                               ; preds = %3
  %20 = load i64, ptr %6, align 8, !tbaa !9
  %21 = icmp ne i64 %20, 0
  br i1 %21, label %22, label %32

22:                                               ; preds = %19
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = load ptr, ptr %5, align 8, !tbaa !5
  %25 = load i64, ptr %6, align 8, !tbaa !9
  %26 = sub i64 %25, 1
  %27 = call noundef ptr @_ZN11__sanitizer16internal_memmoveEPvPKvm(ptr noundef %23, ptr noundef %24, i64 noundef %26)
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = load i64, ptr %6, align 8, !tbaa !9
  %30 = sub i64 %29, 1
  %31 = getelementptr inbounds i8, ptr %28, i64 %30
  store i8 0, ptr %31, align 1, !tbaa !11
  br label %32

32:                                               ; preds = %22, %19
  br label %33

33:                                               ; preds = %32, %13
  %34 = load i64, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  ret i64 %34
}

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 = !{!"long", !7, i64 0}
!11 = !{!7, !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 uwtable
declare dso_local noundef ptr @_ZN11__sanitizer16internal_memmoveEPvPKvm(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZN11__sanitizer15internal_strlenEPKc(ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local noundef i64 @_ZN11__sanitizer16internal_strlcpyEPcPKcm(ptr noundef %0, ptr noundef %1, i64 noundef %2) local_unnamed_addr #0 {
  %4 = tail call noundef i64 @_ZN11__sanitizer15internal_strlenEPKc(ptr noundef %1)
  %5 = icmp ult i64 %4, %2
  br i1 %5, label %6, label %9

6:                                                ; preds = %3
  %7 = add nuw i64 %4, 1
  %8 = tail call noundef ptr @_ZN11__sanitizer16internal_memmoveEPvPKvm(ptr noundef %0, ptr noundef %1, i64 noundef %7)
  br label %14

9:                                                ; preds = %3
  %.not = icmp eq i64 %2, 0
  br i1 %.not, label %14, label %10

10:                                               ; preds = %9
  %11 = add i64 %2, -1
  %12 = tail call noundef ptr @_ZN11__sanitizer16internal_memmoveEPvPKvm(ptr noundef %0, ptr noundef %1, i64 noundef %11)
  %13 = getelementptr inbounds i8, ptr %0, i64 %11
  store i8 0, ptr %13, align 1, !tbaa !5
  br label %14

14:                                               ; preds = %9, %10, %6
  ret i64 %4
}

attributes #0 = { 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 #1 = { 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" }

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


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