; LLVM IR from aws/s2n-tls :: tests/testlib (s2n_connection_test_utils)

; 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.s2n_test_io_pair = type { i32, i32 }

; Function Attrs: nounwind uwtable
define dso_local i32 @s2n_io_pair_shutdown_one_end(ptr noundef %0, i32 noundef %1, i32 noundef %2) #0 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  %8 = load i32, ptr %6, align 4, !tbaa !9
  %9 = icmp eq i32 %8, 1
  br i1 %9, label %10, label %21

10:                                               ; preds = %3
  br label %11

11:                                               ; preds = %10
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.s2n_test_io_pair, ptr %12, i32 0, i32 0
  %14 = load i32, ptr %13, align 4, !tbaa !11
  %15 = load i32, ptr %7, align 4, !tbaa !9
  %16 = call i32 @shutdown(i32 noundef %14, i32 noundef %15) #2
  %17 = icmp sgt i32 %16, -1
  br i1 %17, label %19, label %18

18:                                               ; preds = %11
  store i32 -1, ptr %4, align 4
  br label %37

19:                                               ; preds = %11
  br label %20

20:                                               ; preds = %19
  br label %36

21:                                               ; preds = %3
  %22 = load i32, ptr %6, align 4, !tbaa !9
  %23 = icmp eq i32 %22, 0
  br i1 %23, label %24, label %35

24:                                               ; preds = %21
  br label %25

25:                                               ; preds = %24
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.s2n_test_io_pair, ptr %26, i32 0, i32 1
  %28 = load i32, ptr %27, align 4, !tbaa !13
  %29 = load i32, ptr %7, align 4, !tbaa !9
  %30 = call i32 @shutdown(i32 noundef %28, i32 noundef %29) #2
  %31 = icmp sgt i32 %30, -1
  br i1 %31, label %33, label %32

32:                                               ; preds = %25
  store i32 -1, ptr %4, align 4
  br label %37

33:                                               ; preds = %25
  br label %34

34:                                               ; preds = %33
  br label %35

35:                                               ; preds = %34, %21
  br label %36

36:                                               ; preds = %35, %20
  store i32 0, ptr %4, align 4
  br label %37

37:                                               ; preds = %36, %32, %18
  %38 = load i32, ptr %4, align 4
  ret i32 %38
}

; Function Attrs: nounwind
declare i32 @shutdown(i32 noundef, i32 noundef) #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 = { nounwind "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, !10, i64 0}
!12 = !{!"s2n_test_io_pair", !10, i64 0, !10, i64 4}
!13 = !{!12, !10, i64 4}


; 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 -1, 1) i32 @s2n_io_pair_shutdown_one_end(ptr nocapture noundef readonly %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  switch i32 %1, label %13 [
    i32 1, label %4
    i32 0, label %8
  ]

4:                                                ; preds = %3
  %5 = load i32, ptr %0, align 4, !tbaa !5
  %6 = tail call i32 @shutdown(i32 noundef %5, i32 noundef %2) #2
  %7 = icmp sgt i32 %6, -1
  br i1 %7, label %13, label %14

8:                                                ; preds = %3
  %9 = getelementptr inbounds i8, ptr %0, i64 4
  %10 = load i32, ptr %9, align 4, !tbaa !10
  %11 = tail call i32 @shutdown(i32 noundef %10, i32 noundef %2) #2
  %12 = icmp sgt i32 %11, -1
  br i1 %12, label %13, label %14

13:                                               ; preds = %3, %8, %4
  br label %14

14:                                               ; preds = %8, %4, %13
  %.0 = phi i32 [ 0, %13 ], [ -1, %4 ], [ -1, %8 ]
  ret i32 %.0
}

; Function Attrs: nounwind
declare i32 @shutdown(i32 noundef, i32 noundef) local_unnamed_addr #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 = { nounwind "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, !7, i64 0}
!6 = !{!"s2n_test_io_pair", !7, i64 0, !7, i64 4}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 4}


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