; LLVM IR from ohler55/agoo :: ext/agoo (err)

; 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 }
%struct._agooErr = type { i32, [256 x i8] }

; Function Attrs: nounwind uwtable
define dso_local i32 @agoo_err_set(ptr noundef %0, i32 noundef %1, ptr noundef %2, ...) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca [1 x %struct.__va_list_tag], align 16
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #4
  %8 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %7, i64 0, i64 0
  call void @llvm.va_start.p0(ptr %8)
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct._agooErr, ptr %9, i32 0, i32 1
  %11 = getelementptr inbounds [256 x i8], ptr %10, i64 0, i64 0
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %7, i64 0, i64 0
  %14 = call i32 @vsnprintf(ptr noundef %11, i64 noundef 256, ptr noundef %12, ptr noundef %13) #4
  %15 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %7, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %15)
  %16 = load i32, ptr %5, align 4, !tbaa !9
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct._agooErr, ptr %17, i32 0, i32 0
  store i32 %16, ptr %18, align 4, !tbaa !11
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct._agooErr, ptr %19, i32 0, i32 0
  %21 = load i32, ptr %20, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #4
  ret i32 %21
}

; 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

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 = { 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 = !{!"_agooErr", !10, i64 0, !7, 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"

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

; Function Attrs: nofree nounwind uwtable
define dso_local noundef i32 @agoo_err_set(ptr nocapture noundef %0, i32 noundef returned %1, ptr nocapture noundef readonly %2, ...) local_unnamed_addr #0 {
  %4 = alloca [1 x %struct.__va_list_tag], align 16
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #4
  call void @llvm.va_start.p0(ptr nonnull %4)
  %5 = getelementptr inbounds i8, ptr %0, i64 4
  %6 = call i32 @vsnprintf(ptr noundef nonnull %5, i64 noundef 256, ptr noundef %2, ptr noundef nonnull %4) #4
  call void @llvm.va_end.p0(ptr nonnull %4)
  store i32 %1, ptr %0, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #4
  ret i32 %1
}

; 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

attributes #0 = { nofree 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 }

!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 = !{!"_agooErr", !7, i64 0, !8, i64 4}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}


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