; LLVM IR from kala13x/libxutils :: src/crypt (crypt)

; 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.__va_list_tag = type { i32, i32, ptr, ptr }
%struct.XCryptCtx = type { ptr, ptr, i8, i64, ptr }

; 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: nounwind uwtable
define dso_local void @XCrypt_ErrorCallback(ptr noundef %0, ptr noundef %1, ...) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca [2048 x i8], align 16
  %6 = alloca [1 x %struct.__va_list_tag], align 16
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.XCryptCtx, ptr %7, i32 0, i32 0
  %9 = load ptr, ptr %8, align 8, !tbaa !9
  %10 = icmp eq ptr %9, null
  br i1 %10, label %11, label %12

11:                                               ; preds = %2
  br label %27

12:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 2048, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #4
  %13 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %6, i64 0, i64 0
  call void @llvm.va_start.p0(ptr %13)
  %14 = getelementptr inbounds [2048 x i8], ptr %5, i64 0, i64 0
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %6, i64 0, i64 0
  %17 = call i32 @xstrncpyarg(ptr noundef %14, i64 noundef 2048, ptr noundef %15, ptr noundef %16)
  %18 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %6, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %18)
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.XCryptCtx, ptr %19, i32 0, i32 0
  %21 = load ptr, ptr %20, align 8, !tbaa !9
  %22 = getelementptr inbounds [2048 x i8], ptr %5, i64 0, i64 0
  %23 = load ptr, ptr %3, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.XCryptCtx, ptr %23, i32 0, i32 1
  %25 = load ptr, ptr %24, align 8, !tbaa !12
  %26 = call zeroext i8 %21(i32 noundef 1, ptr noundef %22, ptr noundef %25)
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 2048, ptr %5) #4
  br label %27

27:                                               ; preds = %12, %11
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #2

declare i32 @xstrncpyarg(ptr noundef, i64 noundef, ptr noundef, ptr noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { nocallback nofree nosync nounwind willreturn }
attributes #3 = { "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 #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, !6, i64 0}
!10 = !{!"XCryptCtx", !6, i64 0, !6, i64 8, !7, i64 16, !11, i64 24, !6, i64 32}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !6, i64 8}


; 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.__va_list_tag = type { i32, i32, ptr, ptr }

; 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: nounwind uwtable
define dso_local void @XCrypt_ErrorCallback(ptr nocapture noundef readonly %0, ptr noundef %1, ...) local_unnamed_addr #1 {
  %3 = alloca [2048 x i8], align 16
  %4 = alloca [1 x %struct.__va_list_tag], align 16
  %5 = load ptr, ptr %0, align 8, !tbaa !5
  %6 = icmp eq ptr %5, null
  br i1 %6, label %13, label %7

7:                                                ; preds = %2
  call void @llvm.lifetime.start.p0(i64 2048, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #4
  call void @llvm.va_start.p0(ptr nonnull %4)
  %8 = call i32 @xstrncpyarg(ptr noundef nonnull %3, i64 noundef 2048, ptr noundef %1, ptr noundef nonnull %4) #4
  call void @llvm.va_end.p0(ptr nonnull %4)
  %9 = load ptr, ptr %0, align 8, !tbaa !5
  %10 = getelementptr inbounds i8, ptr %0, i64 8
  %11 = load ptr, ptr %10, align 8, !tbaa !11
  %12 = call zeroext i8 %9(i32 noundef 1, ptr noundef nonnull %3, ptr noundef %11) #4
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 2048, ptr nonnull %3) #4
  br label %13

13:                                               ; preds = %2, %7
  ret void
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #2

declare i32 @xstrncpyarg(ptr noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #3 = { "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 #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, !7, i64 0}
!6 = !{!"XCryptCtx", !7, i64 0, !7, i64 8, !8, i64 16, !10, i64 24, !7, i64 32}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!6, !7, i64 8}


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