; LLVM IR from erwincoumans/tiny-differentiable-simulator :: third_party/zeromq/src/msg.ll (ZN3zmq5msg_t9set_groupEPKcm)

; 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"

%"class.zmq::msg_t" = type { %union.anon }
%union.anon = type { %struct.anon }
%struct.anon = type { ptr, [34 x i8], i8, i8, [16 x i8], i32 }

; Function Attrs: nounwind willreturn memory(none)
declare ptr @__errno_location() #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_ZN3zmq5msg_t9set_groupEPKcm(ptr noundef nonnull align 8 dereferenceable(64) %0, ptr noundef %1, i64 noundef %2) #1 align 2 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i64 %2, ptr %7, align 8, !tbaa !9
  %8 = load ptr, ptr %5, align 8
  %9 = load i64, ptr %7, align 8, !tbaa !9
  %10 = icmp ugt i64 %9, 15
  br i1 %10, label %11, label %13

11:                                               ; preds = %3
  %12 = call ptr @__errno_location() #3
  store i32 22, ptr %12, align 4, !tbaa !11
  store i32 -1, ptr %4, align 4
  br label %24

13:                                               ; preds = %3
  %14 = getelementptr inbounds %"class.zmq::msg_t", ptr %8, i32 0, i32 0
  %15 = getelementptr inbounds %struct.anon, ptr %14, i32 0, i32 4
  %16 = getelementptr inbounds [16 x i8], ptr %15, i64 0, i64 0
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = load i64, ptr %7, align 8, !tbaa !9
  %19 = call ptr @strncpy(ptr noundef %16, ptr noundef %17, i64 noundef %18) #4
  %20 = getelementptr inbounds %"class.zmq::msg_t", ptr %8, i32 0, i32 0
  %21 = getelementptr inbounds %struct.anon, ptr %20, i32 0, i32 4
  %22 = load i64, ptr %7, align 8, !tbaa !9
  %23 = getelementptr inbounds [16 x i8], ptr %21, i64 0, i64 %22
  store i8 0, ptr %23, align 1, !tbaa !13
  store i32 0, ptr %4, align 4
  br label %24

24:                                               ; preds = %13, %11
  %25 = load i32, ptr %4, align 4
  ret i32 %25
}

; Function Attrs: nounwind
declare ptr @strncpy(ptr noundef, ptr noundef, i64 noundef) #2

attributes #0 = { 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 #1 = { mustprogress 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 "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 willreturn memory(none) }
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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!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"

; Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
declare ptr @__errno_location() local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(write, argmem: readwrite, inaccessiblemem: none) uwtable
define dso_local noundef range(i32 -1, 1) i32 @_ZN3zmq5msg_t9set_groupEPKcm(ptr noundef nonnull align 8 dereferenceable(64) %0, ptr nocapture noundef readonly %1, i64 noundef %2) local_unnamed_addr #1 align 2 {
  %4 = icmp ugt i64 %2, 15
  br i1 %4, label %5, label %7

5:                                                ; preds = %3
  %6 = tail call ptr @__errno_location() #3
  store i32 22, ptr %6, align 4, !tbaa !5
  br label %11

7:                                                ; preds = %3
  %8 = getelementptr inbounds i8, ptr %0, i64 44
  %9 = tail call ptr @strncpy(ptr noundef nonnull %8, ptr noundef %1, i64 noundef %2) #4
  %10 = getelementptr inbounds [16 x i8], ptr %8, i64 0, i64 %2
  store i8 0, ptr %10, align 1, !tbaa !9
  br label %11

11:                                               ; preds = %7, %5
  %.0 = phi i32 [ -1, %5 ], [ 0, %7 ]
  ret i32 %.0
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: readwrite)
declare ptr @strncpy(ptr noalias noundef returned writeonly, ptr noalias nocapture noundef readonly, i64 noundef) local_unnamed_addr #2

attributes #0 = { 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 #1 = { mustprogress nofree nounwind willreturn memory(write, argmem: readwrite, 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 #2 = { mustprogress nofree nounwind willreturn memory(argmem: readwrite) "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 willreturn memory(none) }
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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}


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