; LLVM IR from holzschu/ios_system :: curl/curl/tests/libtest (stub_gssapi)

; 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.gss_buffer_desc_struct = type { 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 i32 @gss_import_name(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #1 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #2
  store ptr null, ptr %10, align 8, !tbaa !5
  %12 = load ptr, ptr %8, align 8, !tbaa !5
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = icmp ne ptr %13, null
  br i1 %14, label %16, label %15

15:                                               ; preds = %4
  store i32 -2147483648, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %40

16:                                               ; preds = %4
  %17 = load ptr, ptr %7, align 8, !tbaa !5
  %18 = icmp ne ptr %17, null
  br i1 %18, label %19, label %22

19:                                               ; preds = %16
  %20 = load ptr, ptr %9, align 8, !tbaa !5
  %21 = icmp ne ptr %20, null
  br i1 %21, label %24, label %22

22:                                               ; preds = %19, %16
  %23 = load ptr, ptr %6, align 8, !tbaa !5
  store i32 2, ptr %23, align 4, !tbaa !9
  store i32 -2147483648, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %40

24:                                               ; preds = %19
  %25 = load ptr, ptr %7, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.gss_buffer_desc_struct, ptr %25, i32 0, i32 1
  %27 = load ptr, ptr %26, align 8, !tbaa !11
  %28 = load ptr, ptr %7, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.gss_buffer_desc_struct, ptr %28, i32 0, i32 0
  %30 = load i64, ptr %29, align 8, !tbaa !14
  %31 = call ptr @my_strndup(ptr noundef %27, i64 noundef %30)
  store ptr %31, ptr %10, align 8, !tbaa !5
  %32 = load ptr, ptr %10, align 8, !tbaa !5
  %33 = icmp ne ptr %32, null
  br i1 %33, label %36, label %34

34:                                               ; preds = %24
  %35 = load ptr, ptr %6, align 8, !tbaa !5
  store i32 1, ptr %35, align 4, !tbaa !9
  store i32 -2147483648, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %40

36:                                               ; preds = %24
  %37 = load ptr, ptr %10, align 8, !tbaa !5
  %38 = load ptr, ptr %9, align 8, !tbaa !5
  store ptr %37, ptr %38, align 8, !tbaa !5
  %39 = load ptr, ptr %6, align 8, !tbaa !5
  store i32 0, ptr %39, align 4, !tbaa !9
  store i32 0, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %40

40:                                               ; preds = %36, %34, %22, %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #2
  %41 = load i32, ptr %5, align 4
  ret i32 %41
}

; Function Attrs: nounwind uwtable
declare hidden ptr @my_strndup(ptr noundef, i64 noundef) #1

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 = { 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, !6, i64 8}
!12 = !{!"gss_buffer_desc_struct", !13, i64 0, !6, i64 8}
!13 = !{!"long", !7, i64 0}
!14 = !{!12, !13, 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: nounwind uwtable
define dso_local range(i32 0, -2147483647) i32 @gss_import_name(ptr noundef writeonly %0, ptr noundef readonly %1, ptr nocapture noundef readnone %2, ptr noundef writeonly %3) local_unnamed_addr #0 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %14, label %5

5:                                                ; preds = %4
  %6 = icmp ne ptr %1, null
  %7 = icmp ne ptr %3, null
  %or.cond = and i1 %6, %7
  br i1 %or.cond, label %8, label %.sink.split

8:                                                ; preds = %5
  %9 = getelementptr inbounds i8, ptr %1, i64 8
  %10 = load ptr, ptr %9, align 8, !tbaa !5
  %11 = load i64, ptr %1, align 8, !tbaa !11
  %12 = tail call ptr @my_strndup(ptr noundef %10, i64 noundef %11)
  %.not17 = icmp eq ptr %12, null
  br i1 %.not17, label %.sink.split, label %13

13:                                               ; preds = %8
  store ptr %12, ptr %3, align 8, !tbaa !12
  br label %.sink.split

.sink.split:                                      ; preds = %8, %5, %13
  %.sink = phi i32 [ 0, %13 ], [ 2, %5 ], [ 1, %8 ]
  %.0.ph = phi i32 [ 0, %13 ], [ -2147483648, %5 ], [ -2147483648, %8 ]
  store i32 %.sink, ptr %0, align 4, !tbaa !13
  br label %14

14:                                               ; preds = %.sink.split, %4
  %.0 = phi i32 [ -2147483648, %4 ], [ %.0.ph, %.sink.split ]
  ret i32 %.0
}

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

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" }

!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, !10, i64 8}
!6 = !{!"gss_buffer_desc_struct", !7, i64 0, !10, i64 8}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !7, i64 0}
!12 = !{!10, !10, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !8, i64 0}


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