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

; 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_symbol_properties = type { i32, ptr, i32, i32, i32 }

@sym_value_names = external hidden constant [121 x %struct.nn_symbol_properties], align 16

; Function Attrs: nounwind uwtable
define dso_local ptr @nn_symbol(i32 noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %8 = load i32, ptr %4, align 4, !tbaa !5
  %9 = icmp slt i32 %8, 0
  br i1 %9, label %13, label %10

10:                                               ; preds = %2
  %11 = load i32, ptr %4, align 4, !tbaa !5
  %12 = icmp sge i32 %11, 121
  br i1 %12, label %13, label %15

13:                                               ; preds = %10, %2
  %14 = call ptr @__errno_location() #4
  store i32 22, ptr %14, align 4, !tbaa !5
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %30

15:                                               ; preds = %10
  %16 = load i32, ptr %4, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = getelementptr inbounds [121 x %struct.nn_symbol_properties], ptr @sym_value_names, i64 0, i64 %17
  store ptr %18, ptr %6, align 8, !tbaa !9
  %19 = load ptr, ptr %5, align 8, !tbaa !9
  %20 = icmp ne ptr %19, null
  br i1 %20, label %21, label %26

21:                                               ; preds = %15
  %22 = load ptr, ptr %6, align 8, !tbaa !9
  %23 = getelementptr inbounds %struct.nn_symbol_properties, ptr %22, i32 0, i32 0
  %24 = load i32, ptr %23, align 8, !tbaa !11
  %25 = load ptr, ptr %5, align 8, !tbaa !9
  store i32 %24, ptr %25, align 4, !tbaa !5
  br label %26

26:                                               ; preds = %21, %15
  %27 = load ptr, ptr %6, align 8, !tbaa !9
  %28 = getelementptr inbounds %struct.nn_symbol_properties, ptr %27, i32 0, i32 1
  %29 = load ptr, ptr %28, align 8, !tbaa !13
  store ptr %29, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %30

30:                                               ; preds = %26, %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %31 = load ptr, ptr %3, align 8
  ret ptr %31
}

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

; Function Attrs: nounwind willreturn memory(none)
declare ptr @__errno_location() #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 = { 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 #3 = { nounwind }
attributes #4 = { nounwind willreturn memory(none) }

!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 = !{!12, !6, i64 0}
!12 = !{!"nn_symbol_properties", !6, i64 0, !10, i64 8, !6, i64 16, !6, i64 20, !6, i64 24}
!13 = !{!12, !10, i64 8}


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

@sym_value_names = external hidden local_unnamed_addr constant [121 x %struct.nn_symbol_properties], align 16

; Function Attrs: mustprogress nofree nosync nounwind willreturn memory(write, inaccessiblemem: none) uwtable
define dso_local ptr @nn_symbol(i32 noundef %0, ptr noundef writeonly %1) local_unnamed_addr #0 {
  %or.cond = icmp ugt i32 %0, 120
  br i1 %or.cond, label %3, label %5

3:                                                ; preds = %2
  %4 = tail call ptr @__errno_location() #2
  store i32 22, ptr %4, align 4, !tbaa !5
  br label %13

5:                                                ; preds = %2
  %6 = zext nneg i32 %0 to i64
  %7 = getelementptr inbounds [121 x %struct.nn_symbol_properties], ptr @sym_value_names, i64 0, i64 %6
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %10, label %8

8:                                                ; preds = %5
  %9 = load i32, ptr %7, align 16, !tbaa !9
  store i32 %9, ptr %1, align 4, !tbaa !5
  br label %10

10:                                               ; preds = %8, %5
  %11 = getelementptr inbounds i8, ptr %7, i64 8
  %12 = load ptr, ptr %11, align 8, !tbaa !12
  br label %13

13:                                               ; preds = %10, %3
  %.0 = phi ptr [ null, %3 ], [ %12, %10 ]
  ret ptr %.0
}

; Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
declare ptr @__errno_location() local_unnamed_addr #1

attributes #0 = { mustprogress nofree nosync nounwind willreturn memory(write, inaccessiblemem: none) 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 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 #2 = { nounwind willreturn memory(none) }

!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, !6, i64 0}
!10 = !{!"nn_symbol_properties", !6, i64 0, !11, i64 8, !6, i64 16, !6, i64 20, !6, i64 24}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!10, !11, i64 8}


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