; LLVM IR from erwincoumans/tiny-differentiable-simulator :: third_party/zeromq/src (decoder_allocators)

; 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"

@stderr = external global ptr, align 8
@.str.1 = external hidden unnamed_addr constant [122 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [30 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [6 x i8], align 1

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN3zmq16atomic_counter_t3subEj(ptr noundef nonnull align 8 dereferenceable(4), i32 noundef) #1 align 2

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(none)
declare i64 @llvm.expect.i64(i64, i64) #2

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #3

declare i32 @fflush(ptr noundef) #4

declare void @_ZN3zmq9zmq_abortEPKc(ptr noundef) #4

; Function Attrs: nounwind
declare void @free(ptr noundef) #3

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3zmq31shared_message_memory_allocator12call_dec_refEPvS1_(ptr noundef %0, ptr noundef %1) #5 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  br label %7

7:                                                ; preds = %2
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = icmp ne ptr %8, null
  %10 = xor i1 %9, true
  %11 = zext i1 %10 to i64
  %12 = call i64 @llvm.expect.i64(i64 %11, i64 0)
  %13 = icmp ne i64 %12, 0
  br i1 %13, label %14, label %19

14:                                               ; preds = %7
  %15 = load ptr, ptr @stderr, align 8, !tbaa !5
  %16 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %15, ptr noundef @.str.3, ptr noundef @.str.4, ptr noundef @.str.1, i32 noundef 135) #6
  %17 = load ptr, ptr @stderr, align 8, !tbaa !5
  %18 = call i32 @fflush(ptr noundef %17)
  call void @_ZN3zmq9zmq_abortEPKc(ptr noundef @.str.4)
  br label %19

19:                                               ; preds = %14, %7
  br label %20

20:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %21, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %22, ptr %6, align 8, !tbaa !5
  %23 = load ptr, ptr %6, align 8, !tbaa !5
  %24 = call noundef zeroext i1 @_ZN3zmq16atomic_counter_t3subEj(ptr noundef nonnull align 8 dereferenceable(4) %23, i32 noundef 1)
  br i1 %24, label %28, label %25

25:                                               ; preds = %20
  %26 = load ptr, ptr %6, align 8, !tbaa !5
  %27 = load ptr, ptr %5, align 8, !tbaa !5
  call void @free(ptr noundef %27) #6
  store ptr null, ptr %5, align 8, !tbaa !5
  br label %28

28:                                               ; preds = %25, %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint 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 = { nocallback nofree nosync nounwind willreturn memory(none) }
attributes #3 = { 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 #4 = { "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 = { mustprogress 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 #6 = { 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"}


; 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.1 = external hidden unnamed_addr constant [122 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [30 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [6 x i8], align 1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN3zmq16atomic_counter_t3subEj(ptr noundef nonnull align 8 dereferenceable(4), i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i32 @fflush(ptr nocapture noundef) local_unnamed_addr #1

declare void @_ZN3zmq9zmq_abortEPKc(ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3zmq31shared_message_memory_allocator12call_dec_refEPvS1_(ptr nocapture noundef readnone %0, ptr noundef %1) local_unnamed_addr #4 align 2 {
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %3, label %8, !prof !5

3:                                                ; preds = %2
  %4 = load ptr, ptr @stderr, align 8, !tbaa !6
  %5 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %4, ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.4, ptr noundef nonnull @.str.1, i32 noundef 135) #5
  %6 = load ptr, ptr @stderr, align 8, !tbaa !6
  %7 = tail call i32 @fflush(ptr noundef %6)
  tail call void @_ZN3zmq9zmq_abortEPKc(ptr noundef nonnull @.str.4)
  br label %8

8:                                                ; preds = %2, %3
  %9 = tail call noundef zeroext i1 @_ZN3zmq16atomic_counter_t3subEj(ptr noundef nonnull align 8 dereferenceable(4) %1, i32 noundef 1)
  br i1 %9, label %11, label %10

10:                                               ; preds = %8
  tail call void @free(ptr noundef %1) #6
  br label %11

11:                                               ; preds = %10, %8
  ret void
}

attributes #0 = { inlinehint 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 #1 = { 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 #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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { mustprogress 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 #5 = { cold nounwind }
attributes #6 = { 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 = !{!"branch_weights", !"expected", i32 1, i32 2000}
!6 = !{!7, !7, i64 0}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}


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