; LLVM IR from buzz-lang/Buzz :: src/buzz (buzzstrman)

; 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.buzzstrman_s = type { ptr, ptr, i16, ptr }
%struct.buzzid2strdata_s = type { ptr, i32 }

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

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

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

; Function Attrs: nounwind uwtable
define dso_local void @buzzstrman_gc_unmark(ptr noundef %0, ptr noundef %1, ptr noundef %2) #2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %9 = load ptr, ptr %6, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.buzzstrman_s, ptr %9, i32 0, i32 1
  %11 = load ptr, ptr %10, align 8, !tbaa !9
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = call ptr @buzzdict_rawget(ptr noundef %11, ptr noundef %12)
  store ptr %13, ptr %7, align 8, !tbaa !5
  %14 = load ptr, ptr %7, align 8, !tbaa !5
  %15 = icmp ne ptr %14, null
  br i1 %15, label %16, label %32

16:                                               ; preds = %3
  %17 = load ptr, ptr %7, align 8, !tbaa !5
  %18 = load ptr, ptr %17, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.buzzid2strdata_s, ptr %18, i32 0, i32 1
  %20 = load i32, ptr %19, align 8, !tbaa !12
  %21 = icmp ne i32 %20, 0
  br i1 %21, label %22, label %23

22:                                               ; preds = %16
  store i32 1, ptr %8, align 4
  br label %33

23:                                               ; preds = %16
  %24 = load ptr, ptr %6, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.buzzstrman_s, ptr %24, i32 0, i32 3
  %26 = load ptr, ptr %25, align 8, !tbaa !15
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  %28 = load i16, ptr %27, align 2, !tbaa !16
  %29 = call ptr @buzzidtree_insert(ptr noundef %26, i16 noundef zeroext %28)
  %30 = load ptr, ptr %6, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.buzzstrman_s, ptr %30, i32 0, i32 3
  store ptr %29, ptr %31, align 8, !tbaa !15
  br label %32

32:                                               ; preds = %23, %3
  store i32 0, ptr %8, align 4
  br label %33

33:                                               ; preds = %32, %22
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  %34 = load i32, ptr %8, align 4
  switch i32 %34, label %36 [
    i32 0, label %35
    i32 1, label %35
  ]

35:                                               ; preds = %33, %33
  ret void

36:                                               ; preds = %33
  unreachable
}

; Function Attrs: nounwind uwtable
declare hidden ptr @buzzidtree_insert(ptr noundef, i16 noundef zeroext) #2

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 }

!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, !6, i64 8}
!10 = !{!"buzzstrman_s", !6, i64 0, !6, i64 8, !11, i64 16, !6, i64 24}
!11 = !{!"short", !7, i64 0}
!12 = !{!13, !14, i64 8}
!13 = !{!"buzzid2strdata_s", !6, i64 0, !14, i64 8}
!14 = !{!"int", !7, i64 0}
!15 = !{!10, !6, i64 24}
!16 = !{!11, !11, 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"

declare ptr @buzzdict_rawget(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @buzzstrman_gc_unmark(ptr nocapture noundef readnone %0, ptr noundef %1, ptr nocapture noundef %2) local_unnamed_addr #1 {
  %4 = getelementptr inbounds i8, ptr %2, i64 8
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  %6 = tail call ptr @buzzdict_rawget(ptr noundef %5, ptr noundef %1) #2
  %.not = icmp eq ptr %6, null
  br i1 %.not, label %16, label %7

7:                                                ; preds = %3
  %8 = load ptr, ptr %6, align 8, !tbaa !11
  %9 = getelementptr inbounds i8, ptr %8, i64 8
  %10 = load i32, ptr %9, align 8, !tbaa !12
  %.not7 = icmp eq i32 %10, 0
  br i1 %.not7, label %11, label %16

11:                                               ; preds = %7
  %12 = getelementptr inbounds i8, ptr %2, i64 24
  %13 = load ptr, ptr %12, align 8, !tbaa !15
  %14 = load i16, ptr %1, align 2, !tbaa !16
  %15 = tail call ptr @buzzidtree_insert(ptr noundef %13, i16 noundef zeroext %14)
  store ptr %15, ptr %12, align 8, !tbaa !15
  br label %16

16:                                               ; preds = %3, %11, %7
  ret void
}

; Function Attrs: nounwind uwtable
declare hidden ptr @buzzidtree_insert(ptr noundef, i16 noundef zeroext) local_unnamed_addr #1

attributes #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 = { 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 #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, !7, i64 8}
!6 = !{!"buzzstrman_s", !7, i64 0, !7, i64 8, !10, i64 16, !7, i64 24}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"short", !8, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !14, i64 8}
!13 = !{!"buzzid2strdata_s", !7, i64 0, !14, i64 8}
!14 = !{!"int", !8, i64 0}
!15 = !{!6, !7, i64 24}
!16 = !{!10, !10, i64 0}


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