; LLVM IR from jingweizhanghuai/Morn :: test (test_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"

@IP = external dso_local global ptr, align 8
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [8 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @test_send() #0

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

; Function Attrs: nounwind
declare i32 @sprintf(ptr noundef, ptr noundef, ...) #2

declare ptr @mUDPWrite(ptr noundef, ptr noundef, i32 noundef) #3

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

; Function Attrs: nounwind uwtable
declare dso_local void @test_receive() #0

; Function Attrs: nounwind willreturn memory(read)
declare i32 @strcmp(ptr noundef, ptr noundef) #4

; Function Attrs: nounwind uwtable
define dso_local i32 @main(i32 noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca [32 x i8], align 16
  store i32 0, ptr %3, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  %7 = load i32, ptr %4, align 4, !tbaa !5
  %8 = icmp sgt i32 %7, 2
  br i1 %8, label %9, label %13

9:                                                ; preds = %2
  %10 = load ptr, ptr %5, align 8, !tbaa !9
  %11 = getelementptr inbounds ptr, ptr %10, i64 2
  %12 = load ptr, ptr %11, align 8, !tbaa !9
  store ptr %12, ptr @IP, align 8, !tbaa !9
  br label %13

13:                                               ; preds = %9, %2
  %14 = load ptr, ptr %5, align 8, !tbaa !9
  %15 = getelementptr inbounds ptr, ptr %14, i64 1
  %16 = load ptr, ptr %15, align 8, !tbaa !9
  %17 = call i32 @strcmp(ptr noundef %16, ptr noundef @.str.11) #5
  %18 = icmp eq i32 %17, 0
  br i1 %18, label %19, label %20

19:                                               ; preds = %13
  call void @test_send()
  br label %44

20:                                               ; preds = %13
  %21 = load ptr, ptr %5, align 8, !tbaa !9
  %22 = getelementptr inbounds ptr, ptr %21, i64 1
  %23 = load ptr, ptr %22, align 8, !tbaa !9
  %24 = call i32 @strcmp(ptr noundef %23, ptr noundef @.str.12) #5
  %25 = icmp eq i32 %24, 0
  br i1 %25, label %26, label %27

26:                                               ; preds = %20
  call void @test_receive()
  br label %43

27:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #6
  %28 = load ptr, ptr @IP, align 8, !tbaa !9
  %29 = getelementptr inbounds i8, ptr %28, i64 0
  %30 = load i8, ptr %29, align 1, !tbaa !11
  %31 = sext i8 %30 to i32
  %32 = icmp eq i32 %31, 0
  br i1 %32, label %33, label %34

33:                                               ; preds = %27
  store ptr @.str.1, ptr @IP, align 8, !tbaa !9
  br label %34

34:                                               ; preds = %33, %27
  %35 = getelementptr inbounds [32 x i8], ptr %6, i64 0, i64 0
  %36 = load ptr, ptr @IP, align 8, !tbaa !9
  %37 = call i32 (ptr, ptr, ...) @sprintf(ptr noundef %35, ptr noundef @.str.4, ptr noundef %36) #6
  %38 = getelementptr inbounds [32 x i8], ptr %6, i64 0, i64 0
  %39 = load ptr, ptr %5, align 8, !tbaa !9
  %40 = getelementptr inbounds ptr, ptr %39, i64 1
  %41 = load ptr, ptr %40, align 8, !tbaa !9
  %42 = call ptr @mUDPWrite(ptr noundef %38, ptr noundef %41, i32 noundef -1)
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #6
  br label %43

43:                                               ; preds = %34, %26
  br label %44

44:                                               ; preds = %43, %19
  ret i32 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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 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 #5 = { nounwind willreturn memory(read) }
attributes #6 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!7, !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"

@IP = external dso_local local_unnamed_addr global ptr, align 8
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [8 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @test_send() local_unnamed_addr #0

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

; Function Attrs: nofree nounwind
declare noundef i32 @sprintf(ptr noalias nocapture noundef writeonly, ptr nocapture noundef readonly, ...) local_unnamed_addr #2

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

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

; Function Attrs: nounwind uwtable
declare dso_local void @test_receive() local_unnamed_addr #0

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

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main(i32 noundef %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 {
  %3 = alloca [32 x i8], align 16
  %4 = icmp sgt i32 %0, 2
  br i1 %4, label %5, label %8

5:                                                ; preds = %2
  %6 = getelementptr inbounds i8, ptr %1, i64 16
  %7 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %7, ptr @IP, align 8, !tbaa !5
  br label %8

8:                                                ; preds = %5, %2
  %9 = getelementptr inbounds i8, ptr %1, i64 8
  %10 = load ptr, ptr %9, align 8, !tbaa !5
  %11 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %10, ptr noundef nonnull dereferenceable(1) @.str.11) #5
  %12 = icmp eq i32 %11, 0
  br i1 %12, label %13, label %14

13:                                               ; preds = %8
  tail call void @test_send()
  br label %28

14:                                               ; preds = %8
  %15 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %10, ptr noundef nonnull dereferenceable(1) @.str.12) #5
  %16 = icmp eq i32 %15, 0
  br i1 %16, label %17, label %18

17:                                               ; preds = %14
  tail call void @test_receive()
  br label %28

18:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #6
  %19 = load ptr, ptr @IP, align 8, !tbaa !5
  %20 = load i8, ptr %19, align 1, !tbaa !9
  %21 = icmp eq i8 %20, 0
  br i1 %21, label %22, label %23

22:                                               ; preds = %18
  store ptr @.str.1, ptr @IP, align 8, !tbaa !5
  br label %23

23:                                               ; preds = %22, %18
  %24 = phi ptr [ @.str.1, %22 ], [ %19, %18 ]
  %25 = call i32 (ptr, ptr, ...) @sprintf(ptr noundef nonnull dereferenceable(1) %3, ptr noundef nonnull dereferenceable(1) @.str.4, ptr noundef nonnull %24) #6
  %26 = load ptr, ptr %9, align 8, !tbaa !5
  %27 = call ptr @mUDPWrite(ptr noundef nonnull %3, ptr noundef %26, i32 noundef -1) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  br label %28

28:                                               ; preds = %17, %23, %13
  ret i32 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" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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 willreturn memory(read) }
attributes #6 = { 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 = !{!7, !7, i64 0}


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