; LLVM IR from erwincoumans/tiny-differentiable-simulator :: third_party/zeromq/src/msg.ll (ZN3zmq5msg_t14set_routing_idEj)

; 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_t14set_routing_idEj(ptr noundef nonnull align 8 dereferenceable(64) %0, i32 noundef %1) #1 align 2 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  %6 = load ptr, ptr %4, align 8
  %7 = load i32, ptr %5, align 4, !tbaa !9
  %8 = icmp ne i32 %7, 0
  br i1 %8, label %9, label %13

9:                                                ; preds = %2
  %10 = load i32, ptr %5, align 4, !tbaa !9
  %11 = getelementptr inbounds %"class.zmq::msg_t", ptr %6, i32 0, i32 0
  %12 = getelementptr inbounds %struct.anon, ptr %11, i32 0, i32 5
  store i32 %10, ptr %12, align 4, !tbaa !11
  store i32 0, ptr %3, align 4
  br label %15

13:                                               ; preds = %2
  %14 = call ptr @__errno_location() #2
  store i32 22, ptr %14, align 4, !tbaa !9
  store i32 -1, ptr %3, align 4
  br label %15

15:                                               ; preds = %13, %9
  %16 = load i32, ptr %3, align 4
  ret i32 %16
}

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 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!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 nosync nounwind willreturn memory(write, inaccessiblemem: none) uwtable
define dso_local noundef range(i32 -1, 1) i32 @_ZN3zmq5msg_t14set_routing_idEj(ptr nocapture noundef nonnull writeonly align 8 dereferenceable(64) %0, i32 noundef %1) local_unnamed_addr #1 align 2 {
  %.not = icmp eq i32 %1, 0
  br i1 %.not, label %5, label %3

3:                                                ; preds = %2
  %4 = getelementptr inbounds i8, ptr %0, i64 60
  store i32 %1, ptr %4, align 4, !tbaa !5
  br label %7

5:                                                ; preds = %2
  %6 = tail call ptr @__errno_location() #2
  store i32 22, ptr %6, align 4, !tbaa !8
  br label %7

7:                                                ; preds = %5, %3
  %.0 = phi i32 [ 0, %3 ], [ -1, %5 ]
  ret i32 %.0
}

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 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 #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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !6, i64 0}


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