; LLVM IR from TobiasKozel/VAE :: external/portaudio/src/common (pa_debugprint)

; 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.__va_list_tag = type { i32, i32, ptr, ptr }

@userCB = external hidden global ptr, align 8
@stderr = external global ptr, align 8

; Function Attrs: nounwind uwtable
define dso_local void @PaUtil_DebugPrint(ptr noundef %0, ...) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca [2048 x i8], align 16
  %4 = alloca [1 x %struct.__va_list_tag], align 16
  %5 = alloca [1 x %struct.__va_list_tag], align 16
  store ptr %0, ptr %2, align 8, !tbaa !5
  %6 = load ptr, ptr @userCB, align 8, !tbaa !5
  %7 = icmp ne ptr %6, null
  br i1 %7, label %8, label %18

8:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 2048, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #5
  %9 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %4, i64 0, i64 0
  call void @llvm.va_start.p0(ptr %9)
  %10 = getelementptr inbounds [2048 x i8], ptr %3, i64 0, i64 0
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %4, i64 0, i64 0
  %13 = call i32 @vsnprintf(ptr noundef %10, i64 noundef 2048, ptr noundef %11, ptr noundef %12) #5
  %14 = getelementptr inbounds [2048 x i8], ptr %3, i64 0, i64 2047
  store i8 0, ptr %14, align 1, !tbaa !9
  %15 = load ptr, ptr @userCB, align 8, !tbaa !5
  %16 = getelementptr inbounds [2048 x i8], ptr %3, i64 0, i64 0
  call void %15(ptr noundef %16)
  %17 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %4, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %17)
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 2048, ptr %3) #5
  br label %27

18:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #5
  %19 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %5, i64 0, i64 0
  call void @llvm.va_start.p0(ptr %19)
  %20 = load ptr, ptr @stderr, align 8, !tbaa !5
  %21 = load ptr, ptr %2, align 8, !tbaa !5
  %22 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %5, i64 0, i64 0
  %23 = call i32 @vfprintf(ptr noundef %20, ptr noundef %21, ptr noundef %22) #5
  %24 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %5, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %24)
  %25 = load ptr, ptr @stderr, align 8, !tbaa !5
  %26 = call i32 @fflush(ptr noundef %25)
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #5
  br label %27

27:                                               ; preds = %18, %8
  ret void
}

; 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
declare void @llvm.va_start.p0(ptr) #2

; Function Attrs: nounwind
declare i32 @vsnprintf(ptr noundef, i64 noundef, ptr noundef, ptr noundef) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #2

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

; Function Attrs: nounwind
declare i32 @vfprintf(ptr noundef, ptr noundef, ptr noundef) #3

declare i32 @fflush(ptr noundef) #4

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 = { nocallback nofree nosync nounwind willreturn }
attributes #3 = { 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 #4 = { "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 }

!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}


; 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"

%struct.__va_list_tag = type { i32, i32, ptr, ptr }

@userCB = external hidden local_unnamed_addr global ptr, align 8
@stderr = external local_unnamed_addr global ptr, align 8

; Function Attrs: nounwind uwtable
define dso_local void @PaUtil_DebugPrint(ptr nocapture noundef readonly %0, ...) local_unnamed_addr #0 {
  %2 = alloca [2048 x i8], align 16
  %3 = alloca [1 x %struct.__va_list_tag], align 16
  %4 = alloca [1 x %struct.__va_list_tag], align 16
  %5 = load ptr, ptr @userCB, align 8, !tbaa !5
  %.not = icmp eq ptr %5, null
  br i1 %.not, label %10, label %6

6:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 2048, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #4
  call void @llvm.va_start.p0(ptr nonnull %3)
  %7 = call i32 @vsnprintf(ptr noundef nonnull %2, i64 noundef 2048, ptr noundef %0, ptr noundef nonnull %3) #4
  %8 = getelementptr inbounds i8, ptr %2, i64 2047
  store i8 0, ptr %8, align 1, !tbaa !9
  %9 = load ptr, ptr @userCB, align 8, !tbaa !5
  call void %9(ptr noundef nonnull %2) #4
  call void @llvm.va_end.p0(ptr nonnull %3)
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 2048, ptr nonnull %2) #4
  br label %15

10:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #4
  call void @llvm.va_start.p0(ptr nonnull %4)
  %11 = load ptr, ptr @stderr, align 8, !tbaa !5
  %12 = call i32 @vfprintf(ptr noundef %11, ptr noundef %0, ptr noundef nonnull %4) #5
  call void @llvm.va_end.p0(ptr nonnull %4)
  %13 = load ptr, ptr @stderr, align 8, !tbaa !5
  %14 = call i32 @fflush(ptr noundef %13)
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #4
  br label %15

15:                                               ; preds = %10, %6
  ret void
}

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

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #2

; Function Attrs: nofree nounwind
declare noundef i32 @vsnprintf(ptr nocapture noundef, i64 noundef, ptr nocapture noundef readonly, ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #2

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

; Function Attrs: nofree nounwind
declare noundef i32 @vfprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ptr noundef) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @fflush(ptr nocapture noundef) local_unnamed_addr #3

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 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #3 = { 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 #4 = { nounwind }
attributes #5 = { cold 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: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass