; LLVM IR from godzilla-foundation/godzilla-community :: core/deps/nanomsg-1.1.5/src/utils (chunkref)

; 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.nn_chunkref = type { %union.anon }
%union.anon = type { ptr, [24 x i8] }
%struct.nn_chunkref_chunk = type { i8, ptr }

@stderr = external global ptr, align 8
@.str = external hidden unnamed_addr constant [17 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [117 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @nn_chunkref_init(ptr noundef %0, i64 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #7
  %8 = load i64, ptr %4, align 8, !tbaa !9
  %9 = icmp ult i64 %8, 32
  br i1 %9, label %10, label %16

10:                                               ; preds = %2
  %11 = load i64, ptr %4, align 8, !tbaa !9
  %12 = trunc i64 %11 to i8
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.nn_chunkref, ptr %13, i32 0, i32 0
  %15 = getelementptr inbounds [32 x i8], ptr %14, i64 0, i64 0
  store i8 %12, ptr %15, align 8, !tbaa !11
  store i32 1, ptr %7, align 4
  br label %45

16:                                               ; preds = %2
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  store ptr %17, ptr %6, align 8, !tbaa !5
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.nn_chunkref_chunk, ptr %18, i32 0, i32 0
  store i8 -1, ptr %19, align 8, !tbaa !12
  %20 = load i64, ptr %4, align 8, !tbaa !9
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.nn_chunkref_chunk, ptr %21, i32 0, i32 1
  %23 = call i32 @nn_chunk_alloc(i64 noundef %20, i32 noundef 0, ptr noundef %22)
  store i32 %23, ptr %5, align 4, !tbaa !14
  br label %24

24:                                               ; preds = %16
  %25 = load i32, ptr %5, align 4, !tbaa !14
  %26 = icmp eq i32 %25, 0
  %27 = xor i1 %26, true
  %28 = zext i1 %27 to i32
  %29 = sext i32 %28 to i64
  %30 = call i64 @llvm.expect.i64(i64 %29, i64 0)
  %31 = icmp ne i64 %30, 0
  br i1 %31, label %32, label %42

32:                                               ; preds = %24
  call void @nn_backtrace_print()
  %33 = load ptr, ptr @stderr, align 8, !tbaa !5
  %34 = call ptr @__errno_location() #8
  %35 = load i32, ptr %34, align 4, !tbaa !14
  %36 = call ptr @nn_err_strerror(i32 noundef %35)
  %37 = call ptr @__errno_location() #8
  %38 = load i32, ptr %37, align 4, !tbaa !14
  %39 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %33, ptr noundef @.str, ptr noundef %36, i32 noundef %38, ptr noundef @.str.1, i32 noundef 55) #7
  %40 = load ptr, ptr @stderr, align 8, !tbaa !5
  %41 = call i32 @fflush(ptr noundef %40)
  call void @nn_err_abort() #9
  unreachable

42:                                               ; preds = %24
  br label %43

43:                                               ; preds = %42
  br label %44

44:                                               ; preds = %43
  store i32 0, ptr %7, align 4
  br label %45

45:                                               ; preds = %44, %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  %46 = load i32, ptr %7, align 4
  switch i32 %46, label %48 [
    i32 0, label %47
    i32 1, label %47
  ]

47:                                               ; preds = %45, %45
  ret void

48:                                               ; preds = %45
  unreachable
}

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

declare i32 @nn_chunk_alloc(i64 noundef, i32 noundef, ptr noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(none)
declare i64 @llvm.expect.i64(i64, i64) #3

declare void @nn_backtrace_print() #2

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #4

declare ptr @nn_err_strerror(i32 noundef) #2

; Function Attrs: nounwind willreturn memory(none)
declare ptr @__errno_location() #5

declare i32 @fflush(ptr noundef) #2

; Function Attrs: noreturn
declare void @nn_err_abort() #6

; 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 = { "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 = { nocallback nofree nosync nounwind willreturn memory(none) }
attributes #4 = { 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 #5 = { nounwind willreturn memory(none) "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 #6 = { noreturn "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 #7 = { nounwind }
attributes #8 = { nounwind willreturn memory(none) }
attributes #9 = { noreturn }

!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 = !{!"long", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{!13, !7, i64 0}
!13 = !{!"nn_chunkref_chunk", !7, i64 0, !6, i64 8}
!14 = !{!15, !15, i64 0}
!15 = !{!"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"

@stderr = external local_unnamed_addr global ptr, align 8
@.str = external hidden unnamed_addr constant [17 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [117 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local void @nn_chunkref_init(ptr noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = icmp ult i64 %1, 32
  br i1 %3, label %4, label %6

4:                                                ; preds = %2
  %5 = trunc nuw nsw i64 %1 to i8
  store i8 %5, ptr %0, align 8, !tbaa !5
  br label %18

6:                                                ; preds = %2
  store i8 -1, ptr %0, align 8, !tbaa !8
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  %8 = tail call i32 @nn_chunk_alloc(i64 noundef %1, i32 noundef 0, ptr noundef nonnull %7) #5
  %.not = icmp eq i32 %8, 0
  br i1 %.not, label %18, label %9, !prof !11

9:                                                ; preds = %6
  tail call void @nn_backtrace_print() #5
  %10 = load ptr, ptr @stderr, align 8, !tbaa !12
  %11 = tail call ptr @__errno_location() #6
  %12 = load i32, ptr %11, align 4, !tbaa !13
  %13 = tail call ptr @nn_err_strerror(i32 noundef %12) #5
  %14 = load i32, ptr %11, align 4, !tbaa !13
  %15 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %10, ptr noundef nonnull @.str, ptr noundef %13, i32 noundef %14, ptr noundef nonnull @.str.1, i32 noundef 55) #7
  %16 = load ptr, ptr @stderr, align 8, !tbaa !12
  %17 = tail call i32 @fflush(ptr noundef %16)
  tail call void @nn_err_abort() #8
  unreachable

18:                                               ; preds = %6, %4
  ret void
}

declare i32 @nn_chunk_alloc(i64 noundef, i32 noundef, ptr noundef) local_unnamed_addr #1

declare void @nn_backtrace_print() local_unnamed_addr #1

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

declare ptr @nn_err_strerror(i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
declare ptr @__errno_location() local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @fflush(ptr nocapture noundef) local_unnamed_addr #2

; Function Attrs: noreturn
declare void @nn_err_abort() local_unnamed_addr #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 = { "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 = { 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 = { mustprogress nofree nosync nounwind willreturn memory(none) "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 = { noreturn "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(none) }
attributes #7 = { cold nounwind }
attributes #8 = { noreturn 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = !{!9, !6, i64 0}
!9 = !{!"nn_chunkref_chunk", !6, i64 0, !10, i64 8}
!10 = !{!"any pointer", !6, i64 0}
!11 = !{!"branch_weights", !"expected", i32 2000, i32 1}
!12 = !{!10, !10, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !6, i64 0}


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