; LLVM IR from kala13x/libxutils :: examples (ws-server)

; 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.xapi_data_ = type { [128 x i8], [128 x i8], [2048 x i8], i16, %struct.XSocket, i32, i8, i8, i8, i8, i8, i8, %struct.XByteBuffer, %struct.XByteBuffer, ptr, i32, i32, ptr, ptr, ptr }
%struct.XSocket = type { i32, %union.xsock_addr_t, i32, i32, i16, i32, i32, i32, i32, ptr }
%union.xsock_addr_t = type { %struct.sockaddr_in, [96 x i8] }
%struct.sockaddr_in = type { i16, i16, %struct.in_addr, [8 x i8] }
%struct.in_addr = type { i32 }
%struct.XByteBuffer = type { ptr, i64, i64, i16, i16, i32 }

@.str.16 = external hidden unnamed_addr constant [28 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local ptr @new_session_data() #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare void @XLog_Display(i32 noundef, i8 noundef zeroext, ptr noundef, ...) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @init_session(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %8 = load ptr, ptr %5, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.xapi_data_, ptr %8, i32 0, i32 4
  %10 = getelementptr inbounds %struct.XSocket, ptr %9, i32 0, i32 5
  %11 = load i32, ptr %10, align 8, !tbaa !9
  call void (i32, i8, ptr, ...) @XLog_Display(i32 noundef 2, i8 noundef zeroext 1, ptr noundef @.str.16, i32 noundef %11)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %12 = call ptr @new_session_data()
  store ptr %12, ptr %6, 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 = %2
  store i32 -1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %22

16:                                               ; preds = %2
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.xapi_data_, ptr %18, i32 0, i32 18
  store ptr %17, ptr %19, align 8, !tbaa !16
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = call i32 @XAPI_SetEvents(ptr noundef %20, i32 noundef 1)
  store i32 %21, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %22

22:                                               ; preds = %16, %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %23 = load i32, ptr %3, align 4
  ret i32 %23
}

declare i32 @XAPI_SetEvents(ptr noundef, i32 noundef) #2

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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, !13, i64 2440}
!10 = !{!"xapi_data_", !7, i64 0, !7, i64 128, !7, i64 256, !11, i64 2304, !12, i64 2312, !13, i64 2464, !7, i64 2468, !7, i64 2469, !7, i64 2470, !7, i64 2471, !7, i64 2472, !7, i64 2473, !14, i64 2480, !14, i64 2512, !6, i64 2544, !13, i64 2552, !13, i64 2556, !6, i64 2560, !6, i64 2568, !6, i64 2576}
!11 = !{!"short", !7, i64 0}
!12 = !{!"XSocket", !13, i64 0, !7, i64 4, !13, i64 116, !13, i64 120, !11, i64 124, !13, i64 128, !13, i64 132, !13, i64 136, !13, i64 140, !6, i64 144}
!13 = !{!"int", !7, i64 0}
!14 = !{!"XByteBuffer", !6, i64 0, !15, i64 8, !15, i64 16, !11, i64 24, !11, i64 26, !13, i64 28}
!15 = !{!"long", !7, i64 0}
!16 = !{!10, !6, i64 2568}


; 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.16 = external hidden unnamed_addr constant [28 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local ptr @new_session_data() local_unnamed_addr #0

declare void @XLog_Display(i32 noundef, i8 noundef zeroext, ptr noundef, ...) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local i32 @init_session(ptr nocapture noundef readnone %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = getelementptr inbounds i8, ptr %1, i64 2440
  %4 = load i32, ptr %3, align 8, !tbaa !5
  tail call void (i32, i8, ptr, ...) @XLog_Display(i32 noundef 2, i8 noundef zeroext 1, ptr noundef nonnull @.str.16, i32 noundef %4) #2
  %5 = tail call ptr @new_session_data()
  %.not = icmp eq ptr %5, null
  br i1 %.not, label %9, label %6

6:                                                ; preds = %2
  %7 = getelementptr inbounds i8, ptr %1, i64 2568
  store ptr %5, ptr %7, align 8, !tbaa !15
  %8 = tail call i32 @XAPI_SetEvents(ptr noundef nonnull %1, i32 noundef 1) #2
  br label %9

9:                                                ; preds = %2, %6
  %.0 = phi i32 [ %8, %6 ], [ -1, %2 ]
  ret i32 %.0
}

declare i32 @XAPI_SetEvents(ptr 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 = { "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, !11, i64 2440}
!6 = !{!"xapi_data_", !7, i64 0, !7, i64 128, !7, i64 256, !9, i64 2304, !10, i64 2312, !11, i64 2464, !7, i64 2468, !7, i64 2469, !7, i64 2470, !7, i64 2471, !7, i64 2472, !7, i64 2473, !13, i64 2480, !13, i64 2512, !12, i64 2544, !11, i64 2552, !11, i64 2556, !12, i64 2560, !12, i64 2568, !12, i64 2576}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!"short", !7, i64 0}
!10 = !{!"XSocket", !11, i64 0, !7, i64 4, !11, i64 116, !11, i64 120, !9, i64 124, !11, i64 128, !11, i64 132, !11, i64 136, !11, i64 140, !12, i64 144}
!11 = !{!"int", !7, i64 0}
!12 = !{!"any pointer", !7, i64 0}
!13 = !{!"XByteBuffer", !12, i64 0, !14, i64 8, !14, i64 16, !9, i64 24, !9, i64 26, !11, i64 28}
!14 = !{!"long", !7, i64 0}
!15 = !{!6, !12, i64 2568}


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