; LLVM IR from jingweizhanghuai/Morn :: example (UDP)

; 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"

@.str.1 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [39 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare i32 @printf(ptr noundef, ...) #1

; 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 @test_receive(ptr noundef %0) #2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca [1024 x i8], align 16
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  store i32 1000, ptr %3, align 4, !tbaa !9
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = call ptr @mMornObject(ptr noundef %8, i32 noundef -1)
  %10 = call ptr @m_PropertyWrite(ptr noundef %9, ptr noundef @.str.1, ptr noundef %3, i32 noundef 4)
  call void @llvm.lifetime.start.p0(i64 1024, ptr %4) #4
  br label %11

11:                                               ; preds = %35, %1
  br label %12

12:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  store i32 1024, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  %14 = getelementptr inbounds [1024 x i8], ptr %4, i64 0, i64 0
  %15 = call ptr @mUDPRead(ptr noundef %13, ptr noundef %14, ptr noundef %5)
  store ptr %15, ptr %6, align 8, !tbaa !5
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = icmp eq ptr %16, null
  br i1 %17, label %18, label %20

18:                                               ; preds = %12
  %19 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  br label %32

20:                                               ; preds = %12
  %21 = getelementptr inbounds [1024 x i8], ptr %4, i64 0, i64 0
  %22 = call i32 @strcmp(ptr noundef %21, ptr noundef @.str.3) #5
  %23 = icmp eq i32 %22, 0
  br i1 %23, label %24, label %25

24:                                               ; preds = %20
  store i32 3, ptr %7, align 4
  br label %33

25:                                               ; preds = %20
  %26 = load ptr, ptr %6, align 8, !tbaa !5
  %27 = load i32, ptr %5, align 4, !tbaa !9
  %28 = getelementptr inbounds [1024 x i8], ptr %4, i64 0, i64 0
  %29 = getelementptr inbounds i8, ptr %28, i64 24
  %30 = call i32 (ptr, ...) @printf(ptr noundef @.str.4, ptr noundef %26, i32 noundef %27, ptr noundef %29)
  br label %31

31:                                               ; preds = %25
  br label %32

32:                                               ; preds = %31, %18
  store i32 0, ptr %7, align 4
  br label %33

33:                                               ; preds = %32, %24
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  %34 = load i32, ptr %7, align 4
  switch i32 %34, label %37 [
    i32 0, label %35
    i32 3, label %36
  ]

35:                                               ; preds = %33
  br label %11

36:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 1024, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  ret void

37:                                               ; preds = %33
  unreachable
}

declare ptr @m_PropertyWrite(ptr noundef, ptr noundef, ptr noundef, i32 noundef) #1

declare ptr @mMornObject(ptr noundef, i32 noundef) #1

declare ptr @mUDPRead(ptr noundef, ptr noundef, ptr noundef) #1

; Function Attrs: nounwind willreturn memory(read)
declare i32 @strcmp(ptr noundef, ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 willreturn memory(read) "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 }
attributes #5 = { nounwind willreturn memory(read) }

!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}


; 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.1 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [15 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [39 x i8], align 1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; 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 @test_receive(ptr noundef %0) local_unnamed_addr #2 {
  %2 = alloca i32, align 4
  %3 = alloca [1024 x i8], align 16
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  store i32 1000, ptr %2, align 4, !tbaa !5
  %5 = tail call ptr @mMornObject(ptr noundef %0, i32 noundef -1) #5
  %6 = call ptr @m_PropertyWrite(ptr noundef %5, ptr noundef nonnull @.str.1, ptr noundef nonnull %2, i32 noundef 4) #5
  call void @llvm.lifetime.start.p0(i64 1024, ptr nonnull %3) #5
  %7 = getelementptr inbounds i8, ptr %3, i64 24
  br label %8

8:                                                ; preds = %19, %1
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  store i32 1024, ptr %4, align 4, !tbaa !5
  %9 = call ptr @mUDPRead(ptr noundef %0, ptr noundef nonnull %3, ptr noundef nonnull %4) #5
  %10 = icmp eq ptr %9, null
  br i1 %10, label %11, label %13

11:                                               ; preds = %8
  %12 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2)
  br label %19

13:                                               ; preds = %8
  %14 = call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %3, ptr noundef nonnull dereferenceable(1) @.str.3) #6
  %15 = icmp eq i32 %14, 0
  br i1 %15, label %20, label %16

16:                                               ; preds = %13
  %17 = load i32, ptr %4, align 4, !tbaa !5
  %18 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4, ptr noundef nonnull %9, i32 noundef %17, ptr noundef nonnull %7)
  br label %19

19:                                               ; preds = %11, %16
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  br label %8

20:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 1024, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #5
  ret void
}

declare ptr @m_PropertyWrite(ptr noundef, ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #3

declare ptr @mMornObject(ptr noundef, i32 noundef) local_unnamed_addr #3

declare ptr @mUDPRead(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i32 @strcmp(ptr nocapture noundef, ptr nocapture noundef) local_unnamed_addr #4

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nofree 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 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 = { "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 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 #5 = { nounwind }
attributes #6 = { nounwind willreturn memory(read) }

!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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


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